.click-spark-layer[data-v-2b91e4ae]{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10000;overflow:hidden;pointer-events:none}.click-spark[data-v-2b91e4ae]{position:absolute;width:1px;height:1px}.click-spark i[data-v-2b91e4ae]{position:absolute;top:0;right:0;bottom:0;left:0}.click-spark b[data-v-2b91e4ae]{position:absolute;left:5px;top:-1px;width:18px;height:3px;background:var(--spark-color);transform-origin:left center;animation:spark-flight-2b91e4ae .56s cubic-bezier(.22,1,.36,1) forwards}@keyframes spark-flight-2b91e4ae{0%{opacity:0;transform:translate(0) scaleX(.25)}18%{opacity:1;transform:translate(3px) scaleX(1)}to{opacity:0;transform:translate(24px) scaleX(.08)}}.hover-frame[data-v-b23e13ca]{position:fixed;z-index:9998;border:1px solid color-mix(in srgb,var(--frame-color) 78%,white 22%);opacity:0;transform:scale(.985);box-shadow:0 0 0 1px color-mix(in srgb,var(--frame-color) 24%,transparent);transition:top .18s cubic-bezier(.22,1,.36,1),left .18s cubic-bezier(.22,1,.36,1),width .18s cubic-bezier(.22,1,.36,1),height .18s cubic-bezier(.22,1,.36,1),opacity .14s ease,transform .18s ease;pointer-events:none}.hover-frame.is-active[data-v-b23e13ca]{opacity:1;transform:scale(1)}.hover-frame i[data-v-b23e13ca]{position:absolute;width:13px;height:13px;border-color:var(--frame-color);border-style:solid}.hover-frame i[data-v-b23e13ca]:nth-child(1){top:-3px;left:-3px;border-width:3px 0 0 3px}.hover-frame i[data-v-b23e13ca]:nth-child(2){top:-3px;right:-3px;border-width:3px 3px 0 0}.hover-frame i[data-v-b23e13ca]:nth-child(3){right:-3px;bottom:-3px;border-width:0 3px 3px 0}.hover-frame i[data-v-b23e13ca]:nth-child(4){bottom:-3px;left:-3px;border-width:0 0 3px 3px}@media (prefers-reduced-motion: reduce){.hover-frame[data-v-b23e13ca]{transition:opacity .01ms}}@media (hover: none){.hover-frame[data-v-b23e13ca]{display:none}}.interactive-grid[data-v-0a222dd6]{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;pointer-events:none;opacity:.72}@media (max-width: 720px){.interactive-grid[data-v-0a222dd6]{opacity:.48}}:root{color-scheme:light;--canvas: #f5f6f0;--surface: #fffdf8;--surface-strong: #ffffff;--ink: #141414;--muted: #64635f;--line: rgba(20, 20, 20, .12);--accent: #b6532c;--accent-dark: #7d321d;--green: #0c6a57;--blue: #254f82;--gold: #c9922e;--shadow: 0 24px 70px rgba(27, 28, 25, .12);--header-height: 72px}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}html,body,#app{min-height:100%}.route-shell{min-height:100vh;min-width:0}.app-content-layer{position:relative;z-index:1;min-height:100vh}.leaderboard-overview-card,.subject-spotlight-card,.learning-module-card,.learning-spotlight-card,.learning-progress-card,.quiz-card,.console-page-card,.console-page-table,.dashboard-card,.dashboard-metric-card,.metric-card,.health-panel-item{transition:transform .22s cubic-bezier(.22,1,.36,1),filter .22s ease,box-shadow .22s ease}@media (hover: hover) and (pointer: fine){.leaderboard-overview-card:hover,.subject-spotlight-card:hover,.learning-module-card:hover,.learning-spotlight-card:hover,.learning-progress-card:hover,.dashboard-metric-card:hover,.metric-card:hover,.health-panel-item:hover{transform:translateY(-4px);filter:saturate(1.06)}.quiz-card:hover,.console-page-card:hover,.console-page-table:hover,.dashboard-card:hover{filter:saturate(1.035)}}body{margin:0;font-family:Aptos,Microsoft YaHei,PingFang SC,sans-serif;color:var(--ink);background:linear-gradient(90deg,rgba(20,20,20,.035) 1px,transparent 1px),linear-gradient(180deg,rgba(20,20,20,.035) 1px,transparent 1px),linear-gradient(135deg,#f8f8f3 0%,var(--canvas) 48%,#eef3ef 100%);background-size:42px 42px,42px 42px,auto;overflow-x:clip}body.is-overlay-open{overflow:hidden}img,svg,canvas,video,iframe{max-width:100%}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:3px}.study-shell{min-height:100vh;min-width:0}.site-header{position:sticky;top:0;z-index:20;min-height:var(--header-height);display:flex;justify-content:space-between;align-items:center;gap:24px;padding:12px clamp(20px,4vw,64px);border-bottom:1px solid var(--line);background:#f5f6f0db;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);overflow:clip}.site-header:after{content:"";position:absolute;inset:auto 0 0;height:1px;background:linear-gradient(90deg,transparent,rgba(182,83,44,.48),transparent);opacity:.9;pointer-events:none}.brand-mark{display:flex;align-items:center;gap:14px;min-width:0}.brand-seal{display:grid;place-items:center;width:40px;height:40px;flex:0 0 auto;border:1px solid rgba(20,20,20,.2);background:linear-gradient(135deg,var(--ink) 0 52%,var(--accent) 53% 100%);color:#fff;font-family:Georgia,Times New Roman,serif;font-weight:700;letter-spacing:.04em}.brand-mark h1{margin:3px 0 0;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:clamp(1.35rem,2vw,1.8rem);line-height:1;letter-spacing:0}.eyebrow{margin:0;text-transform:uppercase;letter-spacing:.18em;font-size:.72rem;color:var(--accent);font-weight:800}.muted{color:var(--muted);line-height:1.75}.subject-rail-section{padding:16px clamp(20px,4vw,64px) 8px;background:transparent}.subject-rail-container{width:min(1180px,100%);margin:0 auto;display:grid;gap:16px}.subject-list{display:flex;flex-wrap:wrap;justify-content:flex-start;gap:12px;margin-top:4px}.subject-rail-controls{display:grid;grid-template-columns:minmax(220px,1.4fr) repeat(2,minmax(150px,.72fr));gap:12px;align-items:end}.subject-search,.subject-filter{display:grid;gap:6px}.subject-search span,.subject-filter span{font-size:.73rem;font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}.subject-search input,.subject-filter select{width:100%;min-height:42px;padding:0 14px;border:2px solid var(--ink);background:var(--surface);color:var(--ink);outline:none;box-shadow:2px 2px 0 var(--line);transition:transform .38s cubic-bezier(.34,1.56,.64,1),box-shadow .38s cubic-bezier(.34,1.56,.64,1),border-color .2s ease,background-color .2s ease}.subject-search input:hover,.subject-filter select:hover{transform:translate(-1px,-1px);box-shadow:3px 3px 0 var(--ink)}.subject-search input:focus,.subject-filter select:focus{transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--ink);border-color:var(--accent)}.subject-pill{display:inline-flex;align-items:center;justify-content:space-between;gap:16px;min-height:52px;padding:10px 18px;border:2px solid var(--ink);background:var(--surface);text-align:left;cursor:pointer;box-shadow:4px 4px 0 var(--line);transition:transform .38s cubic-bezier(.34,1.56,.64,1),box-shadow .38s cubic-bezier(.34,1.56,.64,1),background .2s ease,color .2s ease}.subject-pill-body{display:grid;gap:2px;min-width:0}.subject-pill:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--ink)}.subject-pill.is-active{transform:translate(-2px,-2px);border-color:var(--ink);background:var(--ink);color:#fff;box-shadow:6px 6px 0 var(--accent)}.subject-pill-title{display:block;font-weight:800;font-size:.95rem}.subject-pill-progress{flex:0 0 auto;font-family:Georgia,Times New Roman,serif;font-size:1.2rem;font-weight:900;color:var(--accent);transition:color .15s ease}.subject-pill.is-active .subject-pill-progress{color:#fff;background:var(--accent);padding:2px 6px;font-size:1.05rem}.subject-pill-meta{display:block;color:currentColor;opacity:.72;font-size:.78rem}.subject-pill-empty{min-height:52px;display:flex;align-items:center;padding:0 18px;border:2px dashed rgba(20,20,20,.2);color:var(--muted);background:#ffffff73}.header-actions{display:flex;justify-content:flex-end;align-items:center;gap:12px;flex-wrap:wrap}.header-action,.primary-action,.secondary-action{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border:1px solid var(--ink);font-weight:800;transition:transform .38s cubic-bezier(.34,1.56,.64,1),box-shadow .38s cubic-bezier(.34,1.56,.64,1),background .2s ease,border-color .2s ease,color .2s ease}.header-action,.primary-action{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:6px 6px 0 var(--ink)}.header-action.is-authenticated{background:var(--green);border-color:var(--green)}.header-action.is-leaderboard{background:var(--gold);border-color:var(--gold);color:var(--ink)}.header-action.is-quiz{background:var(--blue);border-color:var(--blue)}.header-action:hover,.primary-action:hover{transform:translate(-2px,-2px);box-shadow:9px 9px 0 var(--ink)}.header-link{border:0;background:transparent;cursor:pointer;font-weight:900;color:var(--muted);transition:color .16s ease}.header-link:hover{color:var(--ink)}.header-plain-button{display:inline-flex;align-items:center;min-height:40px;padding:0 6px}.secondary-action{background:#ffffffb8}.secondary-action:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}.study-main{overflow:hidden;min-width:0}.overview-wrap{width:min(1180px,calc(100% - 40px));margin:0 auto}.hero-surface{min-height:min(600px,calc(100svh - 210px));display:grid;grid-template-columns:minmax(0,1.05fr) minmax(330px,.72fr);align-items:center;gap:clamp(28px,5vw,72px);padding:40px 0 34px;position:relative}.hero-surface:before{content:"";position:absolute;inset:9% auto auto 43%;width:42vw;max-width:640px;height:42vw;max-height:640px;background:conic-gradient(from 130deg,#c23b2a2e,#0f6b5f26,#285a8f29,#c23b2a2e);filter:blur(18px);opacity:.62;transform:rotate(-8deg);pointer-events:none}.hero-copy{position:relative;z-index:1}.hero-copy:after{content:"";position:absolute;left:-22px;top:12px;width:2px;height:clamp(120px,28vh,240px);background:linear-gradient(180deg,#b6532ce6,#b6532c00);pointer-events:none}.hero-title{margin:14px 0 18px;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;max-width:10ch;font-size:5rem;font-weight:900;line-height:.95;letter-spacing:0}.hero-subtitle{margin:0 0 18px;max-width:44rem;font-size:clamp(1.2rem,2vw,1.72rem);line-height:1.5;color:#262622;font-weight:800}.hero-summary{margin:0;max-width:42rem;color:var(--muted);line-height:1.85;font-size:1rem}.subject-readiness-strip{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px;align-items:center;max-width:52rem;margin-top:24px;padding:18px 20px;border:1px solid rgba(20,20,20,.12);background:#ffffff9e;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.subject-readiness-next{max-width:34rem}.subject-readiness-strip.is-scaffold{border-color:#254f823d}.subject-readiness-strip.is-growing{border-color:#c9922e42}.subject-readiness-strip.is-ready{border-color:#0c6a5742}.subject-readiness-copy{display:grid;gap:6px}.subject-readiness-label{color:var(--muted);font-size:.76rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.subject-readiness-copy strong{font-size:1.2rem}.subject-readiness-copy p{margin:0;color:var(--muted);line-height:1.75}.subject-readiness-progress{min-width:124px;display:grid;gap:8px;justify-items:end}.subject-readiness-progress span{font-family:Georgia,Times New Roman,serif;font-size:2rem;line-height:.9}.subject-readiness-progress i{display:block;width:124px;height:10px;border:2px solid var(--ink);background:#ffffffb8;position:relative;overflow:hidden}.subject-readiness-progress b{display:block;height:100%;background:repeating-linear-gradient(45deg,var(--accent),var(--accent) 8px,var(--accent-dark) 8px,var(--accent-dark) 16px);background-size:32px 32px;animation:brutalist-stripe-flow 1.2s linear infinite}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}.hero-visual{position:relative;z-index:1;min-height:480px;display:grid;place-items:center;will-change:transform}.hero-orbit{position:absolute;top:28px;right:28px;bottom:28px;left:28px;border:1px solid rgba(20,20,20,.2);transform:rotate(-7deg)}.hero-orbit span{position:absolute;display:block;width:68px;height:68px;border:1px solid var(--ink);background:var(--surface-strong);box-shadow:8px 8px #141414eb}.hero-orbit span:nth-child(1){top:-18px;right:36px;background:var(--gold)}.hero-orbit span:nth-child(2){left:-18px;bottom:72px;background:var(--green)}.hero-orbit span:nth-child(3){right:72px;bottom:-18px;background:var(--blue)}.portal-card{position:relative;width:min(380px,100%);padding:28px;border:1px solid var(--ink);background:#fffdf8e6;box-shadow:18px 18px 0 var(--ink);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);will-change:transform}.portal-card:after{content:"";position:absolute;inset:auto 18px 18px auto;width:92px;height:92px;border-radius:50%;background:radial-gradient(circle,#b6532c29,#b6532c00);pointer-events:none}.portal-card-top{display:flex;justify-content:space-between;align-items:start;gap:18px;border-bottom:1px solid var(--line);padding-bottom:18px}.portal-card-top span{color:var(--muted);font-weight:800;text-transform:uppercase;letter-spacing:.14em;font-size:.76rem}.portal-card-top strong{font-family:Georgia,Times New Roman,serif;font-size:4.8rem;line-height:.88}.portal-lines{display:grid;gap:12px;margin:24px 0}.portal-lines i{display:block;height:13px;background:var(--ink)}.portal-lines i:nth-child(2){width:74%;background:var(--accent)}.portal-lines i:nth-child(3){width:48%;background:var(--green)}.portal-tags{display:flex;flex-wrap:wrap;gap:8px}.portal-tags span,.hero-tag{padding:8px 10px;border:1px solid rgba(20,20,20,.13);background:#ffffffbd;font-size:.88rem;font-weight:700}.overview-band{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));margin:-18px auto 0;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);background:#ffffffa3}.overview-band .metric{position:relative;overflow:hidden}.overview-band .metric:after{content:"";position:absolute;inset:auto -18% -54% auto;width:110px;height:110px;border-radius:50%;background:radial-gradient(circle,#254f8214,#254f8200);pointer-events:none}.metric{padding:22px clamp(16px,2vw,26px);border-right:1px solid var(--line)}.metric:last-child{border-right:0}.metric-label{display:block;margin-bottom:8px;color:var(--muted);font-size:.86rem;font-weight:800}.metric strong{font-size:clamp(1.3rem,2vw,1.8rem)}.roadmap,.quiz-system,.system-gateway{padding-top:clamp(64px,10vw,118px)}.leaderboard-entry,.leaderboard-page-hero{width:min(1180px,calc(100% - 40px));margin:clamp(34px,5vw,48px) auto 0}.leaderboard-entry{display:grid;grid-template-columns:minmax(0,.95fr) minmax(280px,.75fr);gap:clamp(24px,4vw,42px);align-items:center;padding:clamp(26px,4vw,34px);border:1px solid rgba(20,20,20,.12);background:linear-gradient(135deg,#fffcf7f5,#f3f8ffc7),radial-gradient(circle at top right,#c9922e29,#c9922e00);box-shadow:0 20px 58px #1b1c1914}.leaderboard-entry-copy{display:grid;gap:14px}.leaderboard-entry-copy h3,.leaderboard-page-copy h2{margin:0;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;line-height:1.06}.leaderboard-entry-copy h3{font-size:clamp(2rem,4vw,3.6rem)}.leaderboard-entry-copy .muted,.leaderboard-page-copy .muted{margin:0;max-width:42rem}.leaderboard-entry-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.leaderboard-entry-facts article{display:grid;gap:5px;padding:12px;border:1px solid rgba(20,20,20,.08);background:#ffffffa8}.leaderboard-entry-facts span{color:var(--muted);font-size:.72rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.leaderboard-entry-facts strong{font-size:.96rem;line-height:1.45}.leaderboard-entry-actions,.leaderboard-page-actions{display:flex;flex-wrap:wrap;gap:12px}.leaderboard-entry-visual{display:grid;place-items:center}.leaderboard-entry-board{width:min(320px,100%);display:grid;gap:10px;padding:24px;border:1px solid var(--ink);background:#fffdf8e6;box-shadow:16px 16px 0 var(--ink);transform:rotate(-4deg)}.leaderboard-entry-board span,.leaderboard-entry-board em{color:var(--muted);font-size:.78rem;font-style:normal;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.leaderboard-entry-board strong{font-family:Georgia,Times New Roman,serif;font-size:clamp(2.8rem,7vw,4.8rem);line-height:.92}.leaderboard-entry-board p{margin:0;color:var(--ink);font-size:.96rem;line-height:1.6}.leaderboard-page-hero{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:start;padding-bottom:10px;border-bottom:1px solid rgba(20,20,20,.1)}.leaderboard-page-copy{display:grid;gap:12px;max-width:42rem}.leaderboard-page-copy h2{font-size:clamp(2.2rem,5vw,4.2rem)}.subject-readiness-board{padding-top:clamp(54px,8vw,90px)}.subject-portfolio{width:min(1180px,calc(100% - 40px));margin:clamp(42px,6vw,60px) auto 0;display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:clamp(22px,4vw,38px);align-items:start}.subject-portfolio-copy{display:grid;gap:14px}.subject-portfolio-copy h3{margin:0;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:clamp(2rem,4vw,3.7rem);line-height:1.04}.subject-portfolio-copy .muted{margin:0;max-width:34rem}.subject-portfolio-summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.subject-portfolio-summary article,.subject-spotlight-card{padding:20px 18px;border:1px solid rgba(20,20,20,.12);background:#ffffff9e;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.subject-portfolio-summary span,.subject-spotlight-meta span{display:block;color:var(--muted);font-size:.8rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.subject-portfolio-summary strong{display:block;margin:10px 0 8px;font-family:Georgia,Times New Roman,serif;font-size:clamp(2rem,4vw,3rem);line-height:.94}.subject-portfolio-summary p{margin:0;color:var(--muted);line-height:1.7}.subject-spotlight{grid-column:1 / -1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.subject-spotlight-card{min-height:220px;display:grid;align-content:space-between;gap:16px;transition:transform .38s cubic-bezier(.34,1.56,.64,1),box-shadow .38s cubic-bezier(.34,1.56,.64,1),border-color .2s ease,background .2s ease}.subject-spotlight-card:hover{transform:translateY(-4px)}.subject-spotlight-card.is-ready{border-color:#0c6a5747;background:linear-gradient(180deg,#f0f8f4e6,#ffffffb8)}.subject-spotlight-card.is-growing{border-color:#c9922e42;background:linear-gradient(180deg,#fbf7eef0,#ffffffb8)}.subject-spotlight-card.is-scaffold{border-color:#254f8238;background:linear-gradient(180deg,#f2f7fbf0,#ffffffb8)}.subject-spotlight-card h4{margin:8px 0 10px;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:1.6rem;line-height:1.1}.subject-spotlight-card .muted{margin:0}.subject-spotlight-meta{display:flex;align-items:end;justify-content:space-between;gap:12px}.subject-spotlight-meta strong{font-family:Georgia,Times New Roman,serif;font-size:2rem;line-height:.9}.subject-readiness-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.subject-readiness-item{padding:20px 18px;border-top:2px solid var(--ink);background:#ffffff75}.subject-readiness-item span{display:block;color:var(--muted);font-size:.8rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.subject-readiness-item strong{display:block;margin:12px 0 8px;font-family:Georgia,Times New Roman,serif;font-size:clamp(2rem,4vw,3.1rem);line-height:.95}.subject-readiness-item p{margin:0;color:var(--muted);line-height:1.7}.subject-next-steps{display:grid;gap:14px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}.subject-next-steps-list{display:flex;flex-wrap:wrap;gap:10px}.subject-next-step{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border:1px solid rgba(20,20,20,.12);background:#ffffffb3;font-weight:850}.section-heading{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:24px;margin-bottom:28px;border-bottom:1px solid var(--line);padding-bottom:22px}.section-heading h3,.path-body h4{margin:8px 0;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;letter-spacing:0}.section-heading h3{font-size:clamp(2.2rem,5vw,4rem);line-height:1}.section-heading .muted{max-width:44rem;margin:0}.result-count{display:flex;align-items:center;width:100%;padding:8px 0 0;border:0;background:transparent;color:var(--muted);font-weight:500;line-height:1.4;font-size:.8rem;box-shadow:none}.result-count:before{content:"";display:inline-block;width:6px;height:6px;background:var(--accent);margin-right:8px;flex:0 0 auto;border-radius:1px}.subject-rail-footer{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:10px 18px}.subject-rail-note{flex:0 0 auto}.subject-rail-hint{margin:0;color:var(--muted);font-size:.82rem;line-height:1.5;text-align:right}.path-list{list-style:none;padding:0;margin:0;display:grid}.path-item{display:grid;grid-template-columns:80px minmax(0,1fr);gap:26px;padding:26px 0;border-bottom:1px solid var(--line)}.path-marker{width:46px;height:46px;border:1px solid var(--ink);background:linear-gradient(135deg,var(--accent) 0 49%,var(--surface) 50% 100%);box-shadow:6px 6px 0 var(--ink)}.path-body h4{font-size:clamp(1.3rem,2vw,1.8rem)}.path-body p{margin:0;color:var(--muted);line-height:1.75}.path-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.inline-link{display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border:1px solid rgba(20,20,20,.13);background:#ffffffad;transition:transform .16s ease,border-color .16s ease,background .16s ease}.inline-link:hover{transform:translateY(-2px);border-color:var(--accent);background:#fff}.inline-link span,.lock-label,.child-meta em{display:inline-flex;align-items:center;width:max-content;padding:3px 7px;border:1px solid rgba(194,59,42,.3);background:#c23b2a14;color:var(--accent-dark);font-size:.72rem;font-style:normal;font-weight:900}.inline-link.is-locked,.resource-row.is-locked,.child-row.is-locked{cursor:pointer}.resource-directory.is-locked .resource-row,.resource-row.is-locked{background:repeating-linear-gradient(-45deg,#c23b2a0e,#c23b2a0e 8px,#ffffff2e 8px,#ffffff2e 16px)}.toolbar{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(2,minmax(170px,220px));gap:14px;margin-bottom:30px}.search-field,.select-field{display:flex;flex-direction:column;gap:8px;color:var(--muted);font-size:.88rem;font-weight:800}.search-field input,.select-field select{width:100%;min-height:48px;border:1px solid rgba(20,20,20,.16);background:#ffffffc2;padding:0 14px;color:var(--ink);outline:none;transition:border-color .16s ease,box-shadow .16s ease,background .16s ease}.search-field input:focus,.select-field select:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px #c23b2a1f}.resource-groups{display:grid;gap:48px}.resource-section{border-top:2px solid var(--ink);padding-top:20px}.resource-group-head{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:start;margin-bottom:14px}.resource-group-head h4{font-size:clamp(1.45rem,2vw,2rem)}.resource-group-head p{margin:0;color:var(--muted);line-height:1.65}.resource-group-head>span{padding:8px 10px;border:1px solid var(--line);background:#ffffffad;color:var(--muted);font-size:.88rem;font-weight:800}.resource-list{display:flex;flex-direction:column}.resource-directory,.resource-row{border-bottom:1px solid rgba(20,20,20,.12)}.resource-row{width:100%;display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:18px;padding:18px 0;background:transparent;transition:background .18s ease,padding-left .18s ease,transform .18s ease}.resource-row:hover{background:#ffffff8f;padding-left:12px;transform:translate(2px)}.resource-directory summary{list-style:none;cursor:pointer}.resource-directory summary::-webkit-details-marker{display:none}.resource-main strong{display:block;margin:8px 0;font-size:1.08rem}.resource-main p{margin:0;color:var(--muted);line-height:1.65}.resource-type{display:inline-flex;padding:4px 8px;border:1px solid rgba(20,20,20,.16);background:#0f6b5f1a;color:var(--green);font-size:.74rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.resource-meta{display:flex;flex-direction:column;align-items:flex-end;justify-content:center;gap:6px;color:var(--muted);font-size:.9rem}.resource-meta a,.open-label{color:var(--accent-dark);font-weight:900}.child-list{display:grid;gap:1px;margin:0 0 10px 24px;border-left:1px solid rgba(20,20,20,.14)}.child-row{display:flex;justify-content:space-between;gap:14px;padding:11px 0 11px 18px;color:var(--muted);transition:color .16s ease,background .16s ease,padding-left .16s ease}.child-row:hover{color:var(--ink);background:#ffffff94;padding-left:24px}.child-name{color:var(--ink)}.child-meta{white-space:nowrap}.empty-state{margin-top:26px;padding:28px;border:1px solid var(--line);background:#ffffffb3;color:var(--muted)}.quiz-lock,.quiz-layout{min-height:0}.quiz-lock{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;padding:28px 0}.quiz-lock h4,.quiz-card h4{margin:8px 0 12px;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;letter-spacing:0}.quiz-lock h4{font-size:clamp(1.7rem,3vw,2.6rem)}.quiz-layout{display:grid;grid-template-columns:minmax(260px,330px) minmax(0,1fr);min-height:0;border-top:1px solid rgba(20,20,20,.12)}.quiz-sidebar{min-height:0;overflow:auto;display:grid;align-content:start;gap:18px;padding:clamp(20px,3vw,28px);border-right:1px solid rgba(20,20,20,.12);background:linear-gradient(180deg,#ffffffb8,#eef3ef9e),var(--surface)}.learning-panel-title{display:grid;gap:6px;padding-bottom:16px;border-bottom:1px solid var(--line)}.learning-panel-title span{color:var(--accent);font-size:.74rem;font-weight:900;letter-spacing:.16em;text-transform:uppercase}.learning-panel-title strong{font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:1.55rem}.quiz-score{padding:18px;border:1px solid var(--ink);background:var(--surface-strong);box-shadow:8px 8px 0 var(--ink)}.quiz-score span,.quiz-score em{display:block;color:var(--muted);font-size:.86rem;font-style:normal;font-weight:800}.quiz-score strong{display:block;margin:6px 0;font-family:Georgia,Times New Roman,serif;font-size:3.5rem;line-height:.92}.quiz-progress{height:10px;border:2px solid var(--ink);background:#ffffffb3;position:relative;overflow:hidden}.quiz-progress i{display:block;height:100%;width:0;background:repeating-linear-gradient(45deg,var(--green),var(--green) 8px,#0a5445 8px,#0a5445 16px);background-size:32px 32px;animation:brutalist-stripe-flow 1.2s linear infinite;transition:width .38s cubic-bezier(.34,1.56,.64,1)}.quiz-mode-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.quiz-mode-tabs button{min-height:42px;border:1px solid rgba(20,20,20,.16);background:#ffffffad;cursor:pointer;font-weight:900;transition:transform .16s ease,border-color .16s ease,background .16s ease,color .16s ease}.quiz-mode-tabs button:hover,.quiz-mode-tabs button.is-active{transform:translateY(-2px);border-color:var(--ink);background:var(--ink);color:#fff}.quiz-mode-tabs button.is-disabled{opacity:.68}.quiz-mode-tabs button:disabled{opacity:.44;cursor:not-allowed;transform:none}.quiz-mode-tabs button:disabled:hover{border-color:#14141429;background:#ffffffad;color:var(--ink)}.quiz-mode-tabs span{display:inline-flex;min-width:22px;height:22px;align-items:center;justify-content:center;margin-left:4px;background:var(--accent);color:#fff;font-size:.76rem}.quiz-review-tip{display:grid;padding:14px;border:1px solid rgba(37,79,130,.22);background:#254f8214;color:var(--blue);line-height:1.65;font-size:.86rem;font-weight:900}.quiz-fallback-note{display:grid;gap:8px;padding:14px;border:1px solid rgba(182,83,44,.24);background:#b6532c14}.quiz-fallback-note span{color:var(--accent-dark);font-size:.82rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.quiz-fallback-note p{margin:0;color:var(--muted);line-height:1.7}.wrong-bank-tools{display:grid;gap:10px;padding:14px;border:1px solid rgba(182,83,44,.26);background:#b6532c14}.wrong-bank-tools span{color:var(--accent-dark);font-size:.86rem;font-weight:900}.wrong-bank-tools .secondary-action{min-height:38px;width:100%}.quiz-nav{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:6px}.quiz-nav button{min-height:36px;border:1px solid rgba(20,20,20,.16);background:#ffffffb8;cursor:pointer;font-weight:900;transition:transform .16s ease,background .16s ease,color .16s ease}.quiz-nav button:hover,.quiz-nav button.is-active{transform:translateY(-2px);background:var(--ink);color:#fff}.quiz-nav button.is-correct{background:#0f6b5f29;color:var(--green)}.quiz-nav button.is-wrong{background:#c23b2a24;color:var(--accent-dark)}.quiz-card{min-height:100%;padding:clamp(24px,4vw,44px);border:1px solid var(--ink);background:linear-gradient(135deg,#fffdf8f5,#ffffffe6),var(--surface-strong);box-shadow:12px 12px 0 var(--ink)}.quiz-fallback-card{display:grid;align-content:start;gap:18px}.quiz-fallback-actions{display:flex;flex-wrap:wrap;gap:12px}.quiz-fallback-markdown{padding-top:6px;border-top:1px solid var(--line)}.quiz-main{min-width:0;min-height:0;overflow:auto;padding:clamp(22px,4vw,38px);background:radial-gradient(circle at 88% 18%,rgba(40,90,143,.08),transparent 26%),#ffffff57}.quiz-card-head{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-bottom:18px;color:var(--muted);font-weight:900}.quiz-card-head strong{color:var(--green)}.quiz-card-badges{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px;align-items:center}.quiz-difficulty-badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;border:1px solid rgba(20,20,20,.16);background:#1414140f;color:var(--ink)!important;font-size:.78rem;white-space:nowrap}.quiz-difficulty-badge.is-easy{background:#0f6b5f1f;border-color:#0f6b5f52;color:var(--green)!important}.quiz-difficulty-badge.is-medium{background:#b86a2b24;border-color:#b86a2b57;color:var(--brown)!important}.quiz-difficulty-badge.is-hard{background:#c23b2a1f;border-color:#c23b2a57;color:var(--accent)!important}.quiz-card h4{font-size:clamp(1.35rem,2.3vw,2rem);line-height:1.45}.wrong-question-meta{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px}.wrong-question-meta span{display:inline-flex;padding:6px 9px;border:1px solid rgba(182,83,44,.24);background:#b6532c14;color:var(--accent-dark);font-size:.8rem;font-weight:900}.option-list{display:grid;gap:12px;margin-top:22px}.option-button{display:grid;grid-template-columns:44px minmax(0,1fr);align-items:stretch;gap:0;min-height:58px;padding:0;border:1px solid rgba(20,20,20,.16);background:#ffffffb3;text-align:left;cursor:pointer;transition:transform .16s ease,border-color .16s ease,background .16s ease}.option-button:hover,.option-button.is-selected{transform:translate(4px);border-color:var(--ink);background:#fff}.option-button span{display:grid;place-items:center;border-right:1px solid rgba(20,20,20,.16);background:var(--ink);color:#fff;font-weight:900}.option-button strong{padding:14px 16px;font-weight:700;line-height:1.55}.option-button.is-correct{border-color:var(--green);background:#0f6b5f1a}.option-button.is-correct span{background:var(--green)}.option-button.is-wrong{border-color:var(--accent);background:#c23b2a1a}.option-button.is-wrong span{background:var(--accent)}.quiz-explanation{margin-top:20px;padding:16px;border-left:4px solid var(--green);background:#0f6b5f14}.quiz-explanation span{font-weight:900;color:var(--green)}.quiz-explanation p{margin:8px 0 0;color:var(--muted);line-height:1.75}.quiz-explanation-text{margin-top:8px;color:var(--muted);line-height:1.85;white-space:pre-wrap}.case-card{display:grid;align-content:start;gap:18px}.case-scenario{margin:0;padding:18px;border:1px solid rgba(20,20,20,.14);background:#fffdf8d1;color:#2d2d2a;line-height:1.9}.case-task-list{display:grid;gap:12px}.case-task{display:grid;gap:8px;padding:16px;border:1px solid rgba(20,20,20,.12);background:#ffffffa3}.case-task span,.case-draft span{color:var(--accent-dark);font-size:.82rem;font-weight:950}.case-task p{margin:0;line-height:1.75}.case-answer{padding:12px 14px;border-left:4px solid var(--blue);background:#254f8214;color:var(--blue);line-height:1.75;font-weight:800}.case-draft{display:grid;gap:8px}.case-draft textarea{width:100%;border:1px solid rgba(20,20,20,.16);background:#ffffffd1;padding:14px 16px;color:var(--ink);line-height:1.75;outline:none;resize:vertical}.case-draft textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px #254f821f}.quiz-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.quiz-actions button:disabled,.option-button:disabled{cursor:not-allowed;opacity:.58}.quiz-pager{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;font-size:.82rem}.quiz-pager button{min-height:40px;padding:7px 12px;border:1px solid var(--ink);background:#fff;cursor:pointer;font-weight:700;transition:background .14s ease,color .14s ease}.quiz-pager button:hover:not(:disabled){background:var(--ink);color:#fff}.quiz-pager button:disabled{cursor:not-allowed;opacity:.45}.quiz-pager span{white-space:nowrap;opacity:.8}.quiz-tag-multi{padding:3px 10px;border-radius:999px;background:var(--accent);color:#fff;font-size:.72rem;letter-spacing:.04em}.option-button.is-static{cursor:default}.case-section{margin-top:18px;display:grid;gap:8px}.case-label{display:inline-block;font-size:.74rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}.case-answer-block{padding:16px 18px;border:1px dashed rgba(20,20,20,.3);border-radius:10px;background:#d89b280f}.case-section .markdown-body,.quiz-fallback-markdown.markdown-body{display:block}.case-section .markdown-body{font-size:.92rem;line-height:1.7}.case-section .markdown-body pre{overflow-x:auto;padding:12px 14px;background:#1f1f1f;color:#f4f4f4;border-radius:8px;font-size:.82rem}.case-section .markdown-body code{font-family:JetBrains Mono,Fira Code,monospace}.case-section .markdown-body table{display:block;overflow-x:auto;max-width:100%;border-collapse:collapse;width:100%;font-size:.84rem}.case-section .markdown-body th,.case-section .markdown-body td{border:1px solid rgba(20,20,20,.2);padding:6px 10px;text-align:left}.wrong-card{margin-bottom:18px}.system-gateway{width:min(1180px,calc(100% - 40px));margin:0 auto clamp(70px,10vw,120px);display:grid;grid-template-columns:minmax(0,.9fr) minmax(360px,1.1fr);gap:clamp(28px,5vw,60px);align-items:stretch}.subject-accent-panel{width:min(1180px,calc(100% - 40px));margin:clamp(32px,5vw,44px) auto 0;display:grid;grid-template-columns:minmax(0,.92fr) minmax(360px,1.08fr);gap:clamp(22px,4vw,42px);padding:clamp(22px,4vw,34px);border:1px solid var(--ink);background:radial-gradient(circle at 88% 18%,rgba(37,79,130,.12),transparent 24%),linear-gradient(135deg,#ffffffdb,#f5f6f0d1);box-shadow:14px 14px 0 var(--ink);will-change:transform}.subject-accent-copy{display:grid;gap:10px}.subject-accent-copy h3{margin:0;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:clamp(1.9rem,4vw,3.3rem);line-height:1.04}.subject-accent-copy .muted{margin:0;max-width:34rem}.subject-accent-chips{display:flex;flex-wrap:wrap;align-content:start;gap:12px}.subject-accent-chip{display:inline-flex;align-items:center;min-height:42px;padding:0 14px;border:1px solid rgba(20,20,20,.14);background:#ffffffc7;font-weight:850}.leaderboard-overview{width:min(1180px,calc(100% - 40px));margin:clamp(28px,5vw,44px) auto 0;display:grid;gap:18px}.leaderboard-overview-head{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:22px;align-items:end}.leaderboard-overview-head h3{margin:8px 0 0;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:clamp(2rem,4vw,3.5rem);line-height:1.04}.leaderboard-overview-head .muted{margin:0;max-width:40rem}.leaderboard-insight-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(280px,.82fr);gap:14px;align-items:stretch}.leaderboard-daily-quote{display:grid;gap:10px;padding:18px 20px;border:1px solid rgba(37,79,130,.16);background:linear-gradient(135deg,#f3f8fff5,#fffc),radial-gradient(circle at top right,#254f8224,#254f8200);box-shadow:0 16px 34px #254f8214}.leaderboard-daily-quote-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px}.leaderboard-daily-quote span{color:var(--blue);font-size:.72rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.leaderboard-daily-quote-head em{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border:1px solid rgba(37,79,130,.16);background:#ffffffb8;color:var(--blue);font-size:.76rem;font-style:normal;font-weight:800}.leaderboard-daily-quote strong{font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:clamp(1.08rem,2vw,1.42rem);line-height:1.4;max-width:38rem}.leaderboard-daily-quote p{margin:0;color:var(--muted);font-size:.84rem;line-height:1.7}.leaderboard-daily-quote-note{color:var(--ink)!important;font-weight:700}.leaderboard-daily-quote-focus{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px;align-items:start;padding-top:10px;border-top:1px solid rgba(37,79,130,.12)}.leaderboard-daily-quote-focus i{display:block;width:10px;height:10px;margin-top:6px;background:var(--blue);box-shadow:3px 3px #254f822e}.leaderboard-daily-quote-focus span{color:var(--ink);font-size:.84rem;font-weight:800;letter-spacing:0;line-height:1.7;text-transform:none}.leaderboard-portfolio-panel{display:grid;gap:14px;padding:16px 18px;border:1px solid rgba(182,83,44,.16);background:linear-gradient(135deg,#fff7eeeb,#ffffffbd);box-shadow:0 12px 30px #b6532c12}.leaderboard-portfolio-head{display:grid;gap:6px}.leaderboard-portfolio-head span{color:var(--accent-dark);font-size:.72rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.leaderboard-portfolio-head strong{font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:clamp(1rem,2vw,1.28rem);line-height:1.35}.leaderboard-portfolio-head p{margin:0;color:var(--muted);font-size:.84rem;line-height:1.7}.leaderboard-portfolio-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.leaderboard-portfolio-metric{display:grid;gap:5px;padding:12px;border:1px solid rgba(20,20,20,.08);background:#ffffff9e}.leaderboard-portfolio-metric span{color:var(--muted);font-size:.72rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.leaderboard-portfolio-metric strong{font-family:Georgia,Times New Roman,serif;font-size:1.7rem;line-height:.95}.leaderboard-portfolio-metric p{margin:0;color:var(--muted);font-size:.78rem;line-height:1.6}.leaderboard-portfolio-route{display:grid;gap:10px}.leaderboard-portfolio-item{display:grid;gap:8px;padding:12px 0 0;border-top:1px solid rgba(20,20,20,.08)}.leaderboard-portfolio-item:first-child{padding-top:0;border-top:0}.leaderboard-portfolio-item em{color:var(--accent-dark);font-size:.72rem;font-style:normal;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.leaderboard-portfolio-item strong{font-size:1rem;line-height:1.45}.leaderboard-portfolio-item p{margin:0;color:var(--muted);font-size:.82rem;line-height:1.7}.leaderboard-portfolio-item .secondary-action{width:max-content;min-height:32px;padding-inline:12px}.leaderboard-overview-switch{display:flex;flex-wrap:wrap;gap:8px}.leaderboard-overview-switch button{min-height:38px;padding:0 14px;border:1px solid rgba(20,20,20,.14);background:#ffffffd1;color:var(--muted);cursor:pointer;font-weight:850;transition:transform .18s ease,border-color .18s ease,background .18s ease,color .18s ease}.leaderboard-overview-switch button:hover,.leaderboard-overview-switch button.is-active{transform:translateY(-2px);border-color:var(--ink);background:var(--ink);color:#fff}.leaderboard-overview-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.leaderboard-overview-card{display:grid;gap:14px;min-height:280px;padding:20px 18px;border:1px solid rgba(20,20,20,.12);background:linear-gradient(180deg,#ffffffeb,#faf8f2d6);box-shadow:0 18px 48px #1b1c1914}.leaderboard-overview-card.is-active{border-color:#b6532c47;box-shadow:0 22px 58px #b6532c1f}.leaderboard-overview-card.is-personalized{border-color:#b6532c2e;background:linear-gradient(180deg,#fffcf7f5,#faf8f2d6),radial-gradient(circle at top right,#b6532c14,#b6532c00)}.leaderboard-overview-card-head{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:start}.leaderboard-overview-card-head span,.leaderboard-overview-meta,.leaderboard-overview-leader span,.leaderboard-overview-rank,.leaderboard-overview-stats em{color:var(--muted);font-size:.76rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;font-style:normal}.leaderboard-overview-card-head h4{margin:6px 0 0;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:1.7rem;line-height:1.08}.leaderboard-overview-status{display:inline-flex;align-items:center;width:max-content;margin-bottom:8px;padding:4px 8px;border:1px solid rgba(20,20,20,.12);background:#ffffffd1;color:var(--accent-dark);font-size:.72rem;font-style:normal;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.leaderboard-overview-card-head .secondary-action{min-height:34px;padding-inline:12px}.leaderboard-overview-meta{margin:0}.leaderboard-overview-focus,.leaderboard-overview-gap,.leaderboard-overview-drive{margin:0;color:var(--accent-dark);font-size:.82rem;line-height:1.6}.leaderboard-overview-focus{padding-left:12px;border-left:2px solid rgba(182,83,44,.22)}.leaderboard-overview-progress{display:grid;gap:8px}.leaderboard-overview-progress-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.leaderboard-overview-progress-head strong{font-size:.96rem}.leaderboard-overview-progress-head span{color:var(--accent-dark);font-size:.82rem;font-weight:900}.leaderboard-overview-progress i{display:block;width:100%;height:10px;border:1px solid rgba(20,20,20,.14);background:#ffffffc2;overflow:hidden}.leaderboard-overview-progress b{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--gold))}.leaderboard-overview-capsules{display:flex;flex-wrap:wrap;gap:8px}.leaderboard-overview-capsules em{padding:6px 8px;border:1px solid rgba(20,20,20,.1);background:#f5f6f0eb;color:var(--ink);font-size:.74rem;font-style:normal;font-weight:800}.leaderboard-overview-leader{display:grid;gap:8px;margin-top:auto;padding-top:14px;border-top:1px solid rgba(20,20,20,.08)}.leaderboard-overview-leader-head{display:grid;gap:5px}.leaderboard-overview-viewer{display:grid;gap:8px;padding:14px 14px 12px;border:1px solid rgba(182,83,44,.18);background:linear-gradient(135deg,#fff8f0eb,#fffc),radial-gradient(circle at top right,#b6532c1f,#b6532c00);box-shadow:0 14px 28px #b6532c14}.leaderboard-overview-viewer-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px}.leaderboard-overview-viewer span{color:var(--muted);font-size:.72rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.leaderboard-overview-viewer-head em{display:inline-flex;align-items:center;min-height:26px;padding:0 8px;border:1px solid rgba(182,83,44,.16);background:#ffffffbd;color:var(--accent-dark);font-size:.72rem;font-style:normal;font-weight:900;letter-spacing:.04em}.leaderboard-overview-viewer strong{font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:1.3rem;line-height:1.1}.leaderboard-overview-viewer-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.leaderboard-overview-viewer-metrics article{display:grid;gap:4px;padding:10px 10px 9px;border:1px solid rgba(20,20,20,.08);background:#ffffffad}.leaderboard-overview-viewer-metrics article span{color:var(--muted);font-size:.66rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.leaderboard-overview-viewer-metrics article strong{font-family:Georgia,Times New Roman,serif;font-size:.96rem;line-height:1.15}.leaderboard-achievement-chip{display:inline-flex;width:max-content;padding:4px 8px;border:1px solid rgba(12,106,87,.18);background:#0c6a5714;color:var(--green);font-size:.72rem;font-style:normal;font-weight:900;letter-spacing:.04em}.leaderboard-overview-viewer p{margin:0;color:var(--accent-dark);font-size:.8rem;line-height:1.6}.leaderboard-next-goal{margin:0;color:var(--ink);font-size:.8rem;font-weight:800;line-height:1.6}.leaderboard-overview-rank{color:var(--accent-dark)}.leaderboard-overview-leader-note{color:var(--muted)!important;font-size:.74rem!important;line-height:1.55;letter-spacing:0!important;text-transform:none!important}.leaderboard-overview-leader strong{font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:1.5rem;line-height:1.06}.leaderboard-overview-leader p,.leaderboard-overview-empty{margin:0;color:var(--ink);line-height:1.72}.leaderboard-overview-stats{display:flex;flex-wrap:wrap;gap:8px}.leaderboard-overview-stats em{padding:6px 8px;border:1px solid rgba(20,20,20,.1);background:#f5f6f0eb;color:var(--ink);letter-spacing:.04em}.leaderboard-overview-mini-board{display:grid;gap:8px;margin-top:2px}.leaderboard-overview-mini-board article{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;padding:9px 10px;border:1px solid rgba(20,20,20,.08);background:#ffffffad}.leaderboard-overview-mini-board strong,.leaderboard-overview-mini-board span{font-size:.78rem}.leaderboard-overview-mini-board p{margin:4px 0 0;color:var(--muted);font-size:.74rem;line-height:1.5}.leaderboard-overview-mini-board span{color:var(--accent-dark);font-weight:900}.leaderboard-overview-empty{margin-top:auto;padding-top:14px;border-top:1px solid rgba(20,20,20,.08);color:var(--muted)}.leaderboard-overview-empty strong,.leaderboard-overview-empty p{margin:0}.leaderboard-overview-empty p{color:var(--muted);font-size:.88rem}.leaderboard-empty-signals{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:10px}.leaderboard-empty-signals article{display:grid;gap:5px;padding:10px 12px;border:1px solid rgba(20,20,20,.08);background:#ffffff9e}.leaderboard-empty-signals span{color:var(--muted);font-size:.68rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.leaderboard-empty-signals strong{color:var(--ink);font-size:.88rem;line-height:1.45}.leaderboard-kickoff{display:grid;gap:8px;margin-top:10px;padding:12px 14px;border:1px solid rgba(20,20,20,.08);background:#fff9}.leaderboard-kickoff span{color:var(--muted);font-size:.72rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.leaderboard-kickoff ul{margin:0;padding-left:18px;color:var(--ink)}.leaderboard-kickoff li{margin:0;font-size:.82rem;line-height:1.7}.leaderboard-overview-empty .secondary-action{margin-top:4px}.leaderboard-empty-note{margin-top:8px;color:var(--ink)!important;font-size:.82rem!important;font-weight:700}.subject-leaderboard{width:min(1180px,calc(100% - 40px));margin:clamp(32px,5vw,44px) auto 0;display:grid;grid-template-columns:minmax(420px,.98fr) minmax(0,1.02fr);gap:clamp(22px,3vw,34px);align-items:start}.subject-leaderboard-copy{display:grid;gap:14px;align-content:start;padding-right:clamp(4px,1.2vw,16px)}.subject-leaderboard-title-group{display:grid;gap:10px}.subject-leaderboard-title-group span{display:inline-flex;align-items:center;width:max-content;padding:7px 12px;border:1px solid rgba(20,20,20,.12);background:#ffffffb8;color:var(--accent-dark);font-size:.82rem;font-weight:900;letter-spacing:.08em}.subject-leaderboard-title-group h3{margin:0;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;max-width:none;font-size:clamp(2.8rem,5vw,4.6rem);line-height:.98;letter-spacing:-.02em;text-wrap:balance}.subject-leaderboard-copy .muted{margin:0;max-width:38rem}.leaderboard-subject-switch{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}.leaderboard-subject-switch button{min-height:36px;padding:0 12px;border:1px solid rgba(20,20,20,.14);background:#ffffffd1;color:var(--muted);cursor:pointer;font-weight:850;transition:transform .18s ease,border-color .18s ease,background .18s ease,color .18s ease}.leaderboard-subject-switch button:hover,.leaderboard-subject-switch button.is-active{transform:translateY(-2px);border-color:var(--ink);background:var(--accent);color:#fff}.leaderboard-meta{margin:0;color:var(--muted);font-size:.82rem;line-height:1.6}.leaderboard-meta-accent{color:var(--accent-dark);font-weight:800}.leaderboard-quick-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:2px}.leaderboard-quick-facts article{display:grid;gap:5px;padding:12px 12px 11px;border:1px solid rgba(20,20,20,.1);background:#ffffffa8}.leaderboard-quick-facts span{color:var(--muted);font-size:.68rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.leaderboard-quick-facts strong{font-size:.94rem;line-height:1.45}.leaderboard-guide-card{display:grid;gap:12px;margin-top:0;padding:18px 20px;border:1px solid rgba(20,20,20,.12);background:linear-gradient(180deg,#ffffffe0,#faf8f2b8);box-shadow:0 14px 34px #1b1c190f}.leaderboard-daily-quote-inline{margin-top:2px}.leaderboard-gap-hint{margin:0;color:var(--muted);font-size:.82rem;line-height:1.6}.leaderboard-guide-card strong{font-size:1rem}.leaderboard-guide-card p{margin:0;color:var(--muted);line-height:1.7}.leaderboard-guide-card .secondary-action{justify-self:start;min-height:38px;padding-inline:14px}.leaderboard-rule-grid{display:grid;gap:10px;margin-top:6px}.leaderboard-rule-grid article{display:grid;gap:4px;padding:14px 0;border-bottom:1px solid rgba(20,20,20,.1)}.leaderboard-rule-grid article:last-child{border-bottom:0}.leaderboard-rule-grid span{color:var(--muted);font-size:.72rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.leaderboard-rule-grid strong{font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:1.1rem;line-height:1.2}.leaderboard-rule-grid p{margin:0;color:var(--muted);font-size:.84rem;line-height:1.65}.leaderboard-range-switch{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}.leaderboard-range-switch button{min-height:36px;padding:0 12px;border:1px solid rgba(20,20,20,.14);background:#ffffffc7;color:var(--muted);cursor:pointer;font-weight:850;transition:transform .18s ease,border-color .18s ease,background .18s ease,color .18s ease}.leaderboard-range-switch button:hover,.leaderboard-range-switch button.is-active{transform:translateY(-2px);border-color:var(--ink);background:var(--ink);color:#fff}.subject-leaderboard-board{display:grid;gap:16px;min-width:0;align-content:start;max-width:100%}.subject-leaderboard-viewer{display:grid;gap:8px;padding:18px 20px;border:1px solid rgba(182,83,44,.2);background:linear-gradient(135deg,#fffaf3f0,#ffffffc7);box-shadow:0 14px 32px #b6532c14}.subject-leaderboard-viewer span{color:var(--muted);font-size:.76rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.subject-leaderboard-viewer strong{font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:clamp(1.4rem,2.8vw,2.3rem);line-height:1}.subject-leaderboard-viewer p{margin:0;color:var(--muted);line-height:1.7}.leaderboard-achievement{display:grid;gap:4px;padding:10px 12px;border:1px solid rgba(12,106,87,.14);background:#0c6a570f}.leaderboard-achievement strong{font-size:.9rem;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif}.leaderboard-achievement p{margin:0;color:var(--green);font-size:.8rem;line-height:1.6}.leaderboard-viewer-hint{color:var(--ink);font-weight:800}.subject-leaderboard-viewer em,.leaderboard-trend{display:inline-flex;width:max-content;padding:5px 8px;border:1px solid rgba(20,20,20,.12);background:#ffffffd1;font-style:normal;font-size:.75rem;font-weight:900;letter-spacing:.04em}.subject-leaderboard-viewer em.is-up,.leaderboard-trend.is-up{border-color:#0c6a5738;color:var(--green);background:#0c6a5714}.subject-leaderboard-viewer em.is-new,.leaderboard-trend.is-new{border-color:#254f8238;color:var(--blue);background:#254f8214}.subject-leaderboard-viewer em.is-down,.leaderboard-trend.is-down{border-color:#b6532c3d;color:var(--accent-dark);background:#b6532c14}.subject-leaderboard-viewer em.is-flat,.leaderboard-trend.is-flat{color:var(--muted)}.leaderboard-row,.subject-leaderboard-empty{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:18px;align-items:center;padding:20px 22px;border:1px solid rgba(20,20,20,.14);background:#ffffffb8;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.subject-leaderboard-empty{grid-template-columns:1fr;gap:16px;color:var(--muted);line-height:1.75;background:linear-gradient(180deg,#ffffffeb,#f9f7f2d6);box-shadow:0 18px 42px #1b1c190f}.subject-leaderboard-empty strong,.subject-leaderboard-empty span{display:block}.subject-leaderboard-empty strong{color:var(--ink);font-size:1.02rem}.subject-leaderboard-empty .secondary-action{width:max-content;margin-top:0}.subject-leaderboard-empty .leaderboard-empty-signals{margin-top:2px}.subject-leaderboard-empty .leaderboard-kickoff{padding:14px 16px;border:1px solid rgba(20,20,20,.1);background:#ffffffb8}.subject-leaderboard-empty .leaderboard-empty-note{margin-top:0}.leaderboard-near-miss{display:grid;gap:12px;padding-top:6px}.leaderboard-near-miss-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.leaderboard-near-miss-grid article{display:grid;gap:6px;padding:14px 16px;border:1px solid rgba(20,20,20,.1);background:#ffffffa3}.leaderboard-near-miss-grid strong{font-size:.96rem}.leaderboard-near-miss-grid span{color:var(--muted);font-size:.78rem;line-height:1.5}.leaderboard-near-miss-grid em{color:var(--ink);font-style:normal;font-size:.78rem;font-weight:900}.leaderboard-near-miss-grid p{margin:0;color:var(--accent-dark);font-size:.78rem;line-height:1.55}.leaderboard-row.is-rank-1{border-color:#c9922e57;background:linear-gradient(135deg,#fff8e5eb,#ffffffc2)}.leaderboard-row.is-rank-2{border-color:#254f823d}.leaderboard-row.is-rank-3{border-color:#0c6a573d}.leaderboard-row.is-viewer{border-color:#b6532c5c;box-shadow:inset 0 0 0 1px #b6532c24}.leaderboard-rank{display:grid;justify-items:center;gap:4px;min-width:72px}.leaderboard-rank span,.leaderboard-score span,.leaderboard-metrics span,.leaderboard-head span{color:var(--muted);font-size:.76rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.leaderboard-rank strong,.leaderboard-score strong{font-family:Georgia,Times New Roman,serif;font-size:clamp(1.9rem,3vw,2.8rem);line-height:.92}.leaderboard-main{display:grid;gap:10px}.leaderboard-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.leaderboard-head strong{font-size:1.08rem}.leaderboard-head span{padding:5px 8px;border:1px solid rgba(20,20,20,.12);background:#fffc}.leaderboard-main p{margin:0;color:var(--ink);line-height:1.7}.leaderboard-metrics{display:flex;flex-wrap:wrap;gap:8px}.leaderboard-gap-hint{margin-top:8px;color:var(--accent-dark);font-weight:700}.leaderboard-metrics span{padding:6px 8px;border:1px solid rgba(20,20,20,.1);background:#f5f6f0eb;color:var(--ink);letter-spacing:.04em}.leaderboard-score{display:grid;justify-items:end;gap:6px}.system-gateway-copy{display:grid;align-content:center;gap:16px;padding:clamp(24px,4vw,42px) 0}.system-gateway-copy .eyebrow{margin-bottom:-4px}.system-gateway-copy h3{margin:0;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:clamp(2.2rem,5vw,4.8rem);line-height:1.02}.system-gateway-copy .muted{margin:0;max-width:36rem}.system-gateway-copy .primary-action{justify-self:start;margin-top:8px}.system-gateway-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:8px}.system-gateway-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--ink);background:radial-gradient(circle at 82% 12%,rgba(12,106,87,.18),transparent 30%),linear-gradient(135deg,#fffdf8eb,#edf3efd1),#fffdf8db;box-shadow:16px 16px 0 var(--ink)}.system-gateway-grid article{min-height:320px;display:grid;align-content:end;gap:12px;padding:24px;border-right:1px solid var(--line);will-change:transform,opacity;transition:transform .22s ease,background .22s ease}.system-gateway-grid article:hover{--lift: -4px;background:#ffffff2e}.system-gateway-grid article:focus-within{background:#ffffff3d}.system-gateway-grid article:last-child{border-right:0}.system-gateway-grid span{color:var(--accent);font-family:Georgia,Times New Roman,serif;font-size:2.6rem;font-weight:900}.system-gateway-grid strong{font-size:1.18rem}.system-gateway-grid p{margin:0;color:var(--muted);line-height:1.7}.learning-system{position:fixed;top:0;right:0;bottom:0;left:0;z-index:54;display:grid;grid-template-columns:minmax(230px,290px) minmax(0,1fr);min-height:100svh;color:var(--ink);background:linear-gradient(90deg,rgba(20,20,20,.03) 1px,transparent 1px),linear-gradient(180deg,rgba(20,20,20,.03) 1px,transparent 1px),linear-gradient(135deg,#f8f8f3,#edf3ef);background-size:42px 42px,42px 42px,auto}.learning-nav{display:flex;flex-direction:column;gap:12px;padding:24px;border-right:1px solid rgba(20,20,20,.12);background:#fffdf8db;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.learning-brand{display:flex;align-items:center;gap:12px;padding-bottom:22px;border-bottom:1px solid var(--line)}.learning-brand>span{display:grid;place-items:center;width:46px;height:46px;background:var(--ink);color:#fff;font-family:Georgia,Times New Roman,serif;font-weight:900}.learning-brand strong,.learning-account strong{display:block;font-weight:900}.learning-brand small{color:var(--muted);font-weight:800}.subject-switcher{display:block;margin-top:4px}.subject-switcher select{width:100%;min-height:32px;border:1px solid rgba(20,20,20,.16);background:#ffffffc2;padding:0 10px;font-size:.82rem;font-weight:700;color:var(--ink);outline:none;cursor:pointer;transition:border-color .16s ease,background .16s ease}.subject-switcher select:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px #c23b2a1a}.learning-nav-menu{display:grid;gap:8px}.learning-nav-item{width:100%;min-height:46px;border:1px solid transparent;background:transparent;text-align:left;cursor:pointer;font-weight:900;transition:transform .16s ease,background .16s ease,border-color .16s ease,color .16s ease;will-change:transform,opacity}.learning-nav-item:hover,.learning-nav-item.is-active{transform:translate(4px);border-color:var(--ink);background:var(--ink);color:#fff}.learning-quiz-entry{width:100%;display:grid;gap:5px;margin-top:6px;padding:16px 14px;border:1px solid var(--ink);background:linear-gradient(135deg,#254f82f0,#0c6a57eb),var(--blue);color:#fff;text-align:left;cursor:pointer;box-shadow:7px 7px 0 var(--ink);transition:transform .16s ease,box-shadow .16s ease}.learning-quiz-entry:hover{transform:translate(-2px,-2px);box-shadow:10px 10px 0 var(--ink)}.learning-quiz-entry span,.learning-quiz-entry em{font-size:.76rem;font-style:normal;font-weight:900;letter-spacing:.12em;text-transform:uppercase;opacity:.78}.learning-quiz-entry strong{font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:1.55rem;line-height:1.08}.learning-account{margin-top:auto;display:grid;gap:8px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem;font-weight:800}.learning-account-meta{display:grid;gap:4px}.learning-account-actions{display:grid;gap:8px}.learning-account button{justify-self:start;border:0;background:transparent;color:var(--accent-dark);cursor:pointer;font-weight:900}.learning-account .account-admin-button{justify-self:stretch;margin-top:4px;padding:8px 12px;background:var(--ink);color:#fff;border-radius:2px;text-align:center;letter-spacing:.04em;transition:transform .16s ease,box-shadow .16s ease}.learning-account .account-admin-button:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--accent-dark)}.learning-workspace{min-width:0;min-height:0;overflow:auto}.learning-topbar{position:sticky;top:0;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;padding:18px clamp(24px,4vw,48px);border-bottom:1px solid rgba(20,20,20,.12);background:#f5f6f0e0;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.learning-topbar h2{margin:8px 0 6px;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:2.25rem;line-height:1.08}.learning-topbar .muted{margin:0}.learning-topbar-actions{display:flex;align-items:center;gap:12px}.learning-dashboard,.learning-path,.learning-plan,.learning-library,.learning-review{padding:clamp(24px,4vw,48px)}.learning-hero-card{display:grid;gap:14px;min-height:230px;align-content:end;padding:clamp(24px,4vw,42px);border:1px solid var(--ink);background:radial-gradient(circle at 84% 18%,rgba(216,155,40,.2),transparent 28%),linear-gradient(135deg,#fffffff0,#eef3efd1);border-radius:8px;box-shadow:8px 8px 0 var(--ink);will-change:transform,opacity}.learning-hero-card h3{max-width:760px;margin:0;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:2.5rem;line-height:1.12}.learning-hero-card p{max-width:720px;margin:0;color:var(--muted);line-height:1.8}.learning-hero-summary{display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}.learning-focus-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;max-width:820px;margin:10px 0 2px}.learning-focus-list button{display:grid;gap:6px;padding:14px;border:1px solid rgba(20,20,20,.14);background:#ffffffad;text-align:left;cursor:pointer;transition:transform .16s ease,border-color .16s ease,background .16s ease}.learning-focus-list button:hover{transform:translateY(-3px);border-color:var(--ink);background:#fff}.learning-focus-list span{color:var(--accent);font-size:.76rem;font-weight:900;letter-spacing:.12em}.learning-focus-list strong{font-size:.98rem}.learning-progress-rail{position:relative;width:min(760px,100%);height:8px;overflow:hidden;border:1px solid rgba(20,20,20,.12);background:#ffffff8a}.learning-progress-rail i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),#d89b28)}.learning-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}.learning-hero-card .primary-action{justify-self:start}.learning-metrics,.learning-module-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-top:26px}.learning-metrics>div,.learning-module-card{border:1px solid rgba(20,20,20,.14);background:#fffdf8d1}.learning-metrics>div{padding:18px}.learning-metrics span,.learning-module-card span{display:block;color:var(--muted);font-size:.82rem;font-weight:900}.learning-metrics strong{display:block;margin-top:8px;font-family:Georgia,Times New Roman,serif;font-size:2.7rem;line-height:1}.learning-module-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.learning-dashboard-spotlight{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:26px}.learning-route-card,.learning-spotlight-card,.learning-plan-spotlight{display:grid;gap:12px;padding:20px;border:1px solid rgba(20,20,20,.14);background:#fffdf8d1}.learning-route-card{position:relative;grid-column:1 / -1;overflow:hidden;background:radial-gradient(circle at 82% 18%,rgba(216,155,40,.16),transparent 28%),linear-gradient(135deg,#fffdf8eb,#f0f4f1cc)}.learning-spotlight-card.is-review{background:#eff4f1db}.learning-route-head{display:flex;align-items:end;justify-content:space-between;gap:14px}.learning-route-head-controls{display:grid;justify-items:end;gap:10px}.learning-route-head h3,.learning-spotlight-card h3,.learning-plan-spotlight h3{margin:0;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:clamp(1.5rem,2.7vw,2.2rem)}.learning-heat-layout,.learning-rhythm-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(240px,.8fr);gap:18px;align-items:stretch}.learning-heatmap-board{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;padding:12px;border:1px solid rgba(20,20,20,.08);background:#ffffffad}.learning-heatmap-week{display:grid;grid-template-rows:repeat(7,minmax(0,1fr));gap:10px}.learning-heat-cell{position:relative;min-height:42px;padding:0;border:1px solid rgba(20,20,20,.08);background:#1414140a;overflow:hidden;-webkit-appearance:none;-moz-appearance:none;appearance:none;text-align:left;cursor:pointer;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}.learning-heat-cell:after{content:"";position:absolute;inset:auto 0 0 0;height:38%;background:linear-gradient(180deg,transparent,rgba(255,255,255,.16));pointer-events:none}.learning-heat-cell.is-level-1{background:#b86a2b2e}.learning-heat-cell.is-level-2{background:#b86a2b57}.learning-heat-cell.is-level-3{background:#69896675}.learning-heat-cell.is-level-4{background:#2c5b54b8}.learning-heat-cell.is-today{border-color:var(--ink);box-shadow:inset 0 0 0 2px #141414d1}.learning-heat-cell:hover{transform:translateY(-2px)}.learning-heat-cell.is-selected{border-color:#2c5b5485;box-shadow:inset 0 0 0 2px #2c5b5438,0 8px 22px #2c5b5414}.learning-heat-cell-label{position:absolute;left:8px;bottom:7px;color:#141414a8;font-size:.72rem;font-weight:900;letter-spacing:.04em}.learning-heat-side,.learning-rhythm-aside{display:grid;gap:12px}.learning-heat-metric{display:grid;gap:6px;padding:14px;border:1px solid rgba(20,20,20,.08);background:#ffffffb8}.learning-heat-metric strong{font-size:1.05rem;line-height:1.45}.learning-heat-metric em{color:var(--muted);font-style:normal;line-height:1.65}.learning-heat-legend,.learning-rhythm-legend{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.learning-heat-legend i{width:20px;height:20px;border:1px solid rgba(20,20,20,.08)}.learning-heat-legend .is-level-1{background:#b86a2b2e}.learning-heat-legend .is-level-2{background:#b86a2b57}.learning-heat-legend .is-level-3{background:#69896675}.learning-heat-legend .is-level-4{background:#2c5b54b8}.learning-activity-bars{display:grid;gap:10px}.learning-activity-bar{display:grid;gap:6px}.learning-activity-bar>div{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:.82rem;font-weight:900}.learning-activity-bar-track{display:block;width:100%;height:9px;background:#14141414;overflow:hidden}.learning-activity-bar-fill{display:block;height:100%;border-radius:999px}.learning-activity-bar-fill.is-resource{background:#b86a2b}.learning-activity-bar-fill.is-plan{background:#2c5b54}.learning-activity-bar-fill.is-review{background:#b64040}.learning-activity-bar-fill.is-time{background:linear-gradient(90deg,#2c5b54,#b86a2b)}.learning-activity-times{display:grid;gap:10px}.learning-activity-time{display:grid;grid-template-columns:minmax(84px,auto) minmax(0,1fr) auto;align-items:center;gap:10px}.learning-activity-time>div{display:grid;gap:2px}.learning-activity-time span{font-size:.78rem;font-weight:900;letter-spacing:.04em}.learning-activity-time em{color:var(--muted);font-size:.72rem;font-style:normal}.learning-activity-time strong{font-size:.82rem}.learning-rhythm-board{display:grid;grid-template-columns:repeat(var(--rhythm-columns, 7),minmax(0,1fr));grid-auto-rows:1fr;gap:10px}.learning-range-switch{display:inline-flex;align-items:center;flex-wrap:wrap;padding:4px;border:1px solid rgba(20,20,20,.1);background:#ffffffb8}.learning-range-switch button{padding:8px 12px;border:0;background:transparent;color:var(--muted);font-size:.76rem;font-weight:900;letter-spacing:.04em;cursor:pointer;transition:color .18s ease,background .18s ease,transform .18s ease}.learning-range-switch button:hover{color:var(--ink);transform:translateY(-1px)}.learning-range-switch button.is-active{background:#fff6e6f0;color:var(--accent-dark)}.learning-rhythm-column{display:grid;gap:12px;grid-template-rows:auto 1fr auto;padding:14px;border:1px solid rgba(20,20,20,.12);background:#ffffffb8;text-align:left;cursor:pointer;transition:transform .18s ease,border-color .18s ease,background .18s ease}.learning-rhythm-column:hover{transform:translateY(-3px);border-color:#14141447;background:#ffffffe6}.learning-rhythm-column.is-today{border-color:#b86a2ba6;background:linear-gradient(180deg,#fff6e6eb,#ffffffe0)}.learning-rhythm-column.is-highlight{border-color:#b86a2ba6;box-shadow:inset 0 0 0 1px #b86a2b38}.learning-rhythm-column.is-highlight .learning-rhythm-caption strong{color:var(--accent-dark)}.learning-rhythm-column.is-selected{transform:translateY(-3px);border-color:#2c5b5485;background:linear-gradient(180deg,#eff4f1f0,#ffffffe6);box-shadow:inset 0 0 0 1px #2c5b542e}.learning-rhythm-caption{display:grid;gap:2px}.learning-rhythm-caption strong{font-size:.96rem}.learning-rhythm-caption span,.learning-rhythm-note em{color:var(--muted);font-size:.78rem;font-style:normal;font-weight:900;letter-spacing:.04em}.learning-rhythm-meter{display:grid;gap:10px;align-content:start}.learning-rhythm-meter-row{display:grid;gap:5px}.learning-rhythm-meter-row label{color:var(--muted);font-size:.72rem;font-weight:900;letter-spacing:.04em}.learning-rhythm-meter-row label em{color:var(--ink);font-style:normal}.learning-rhythm-meter-track{position:relative;display:block;width:100%;height:8px;background:#14141414;overflow:hidden}.learning-rhythm-meter-fill{display:block;height:100%;border-radius:999px}.learning-rhythm-meter-fill.is-read{background:#b86a2b}.learning-rhythm-meter-fill.is-structure{background:#2c5b54}.learning-rhythm-meter-fill.is-practice{background:#7a8f48}.learning-rhythm-meter-fill.is-review{background:#b64040}.learning-rhythm-note{display:grid;gap:6px}.learning-rhythm-note strong{font-size:.95rem;line-height:1.45}.learning-rhythm-note p{margin:0;color:var(--muted);line-height:1.65}.learning-rhythm-legend span{display:inline-flex;align-items:center;padding:6px 10px;border:1px solid rgba(20,20,20,.08);background:#ffffffb8;font-size:.74rem;font-weight:900;letter-spacing:.04em}.learning-rhythm-legend .is-read{color:#b86a2b}.learning-rhythm-legend .is-structure{color:#2c5b54}.learning-rhythm-legend .is-practice{color:#7a8f48}.learning-rhythm-legend .is-review{color:#b64040}.learning-goal-card{display:grid;gap:14px;padding:16px;border:1px solid rgba(20,20,20,.1);background:linear-gradient(180deg,#fffaf0eb,#ffffffd1)}.learning-rhythm-detail,.learning-activity-detail{display:grid;gap:12px;padding:16px;border:1px solid rgba(20,20,20,.1);background:#ffffffc2}.learning-rhythm-detail-head{display:grid;gap:8px}.learning-rhythm-detail-head>div{display:grid;gap:4px}.learning-rhythm-detail-head strong{font-size:1rem;line-height:1.45}.learning-rhythm-detail-head em{color:var(--muted);font-size:.78rem;font-style:normal;font-weight:900;letter-spacing:.04em}.learning-rhythm-detail-item{cursor:default}.learning-rhythm-detail-item:hover{transform:none;border-color:#14141424;background:#ffffffb8}.learning-rhythm-cta{justify-self:start}.learning-diagnostic-card{display:grid;gap:12px;padding:16px;border:1px solid rgba(20,20,20,.1);background:linear-gradient(180deg,#ffffffd6,#f7f3ece6)}.learning-diagnostic-card p{margin:0;color:var(--muted);line-height:1.7}.learning-diagnostic-card.is-review{background:linear-gradient(180deg,#f9eeeeeb,#ffffffe0)}.learning-diagnostic-card.is-practice{background:linear-gradient(180deg,#f5f8ecf0,#ffffffe0)}.learning-diagnostic-card.is-structure{background:linear-gradient(180deg,#edf3f1f0,#ffffffe0)}.learning-today-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:26px}.learning-today-card{display:grid;gap:6px;padding:16px;border:1px solid rgba(20,20,20,.12);background:#ffffffd1;font-family:inherit;text-align:left;cursor:pointer;transition:transform .18s ease,border-color .18s ease,background .18s ease}.learning-today-card:hover,.learning-today-card:focus-visible{transform:translateY(-3px);border-color:#14141447;background:#fff}.learning-today-label{color:var(--muted);font-size:.74rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.learning-today-value{font-size:1.7rem;font-weight:900;line-height:1.1}.learning-today-hint{color:var(--muted);font-size:.76rem;line-height:1.6}.learning-today-card.is-alert{border-color:#b6532c57;background:#b6532c14}.learning-today-card.is-alert .learning-today-value{color:var(--accent-dark)}.learning-today-card.is-muted .learning-today-value{color:var(--muted)}.learning-today-advice{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;margin-top:16px;padding:18px 20px;border:1px solid rgba(20,20,20,.1);background:linear-gradient(180deg,#ffffffd6,#f7f3ece6)}.learning-today-advice-copy{display:grid;gap:6px;min-width:0;flex:1 1 260px}.learning-today-advice-copy strong{font-size:1.05rem;font-weight:900}.learning-today-advice-copy p{margin:0;color:var(--muted);font-size:.86rem;line-height:1.7}.learning-today-advice.is-review{background:linear-gradient(180deg,#f9eeeeeb,#ffffffe0)}.learning-today-advice.is-practice{background:linear-gradient(180deg,#f5f8ecf0,#ffffffe0)}.learning-today-advice.is-structure{background:linear-gradient(180deg,#edf3f1f0,#ffffffe0)}.learning-diagnostic-signals{display:grid;gap:10px}.learning-diagnostic-signal{display:grid;gap:6px}.learning-diagnostic-signal>div{display:flex;align-items:center;justify-content:space-between;gap:12px}.learning-diagnostic-signal span{font-size:.8rem;font-weight:900}.learning-diagnostic-signal strong{font-size:.8rem}.learning-goal-ring{--goal-progress: 0%;display:grid;place-items:center;width:140px;aspect-ratio:1;margin:0 auto;border-radius:50%;background:radial-gradient(circle at center,rgba(255,255,255,.94) 58%,transparent 59%),conic-gradient(#b86a2b 0 var(--goal-progress),rgba(20,20,20,.08) var(--goal-progress) 100%)}.learning-goal-ring strong{font-size:1.6rem;line-height:1}.learning-goal-ring span{color:var(--muted);font-size:.78rem;font-weight:900;letter-spacing:.04em}.learning-goal-list{display:grid;gap:10px}.learning-goal-item{display:grid;gap:6px}.learning-goal-item>div{display:flex;align-items:center;justify-content:space-between;gap:12px}.learning-goal-item span{font-size:.82rem;font-weight:900}.learning-goal-item em{color:var(--muted);font-size:.74rem;font-style:normal;line-height:1.6}.learning-goal-fill{display:block;height:100%;border-radius:999px}.learning-goal-fill.is-read{background:#b86a2b}.learning-goal-fill.is-structure{background:#2c5b54}.learning-goal-fill.is-practice{background:#7a8f48}.learning-goal-fill.is-review{background:#b64040}.learning-route-visual{position:relative;min-width:760px;min-height:320px;padding-bottom:72px}.learning-route-scroll{overflow-x:auto;padding-bottom:6px}.learning-route-svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;overflow:visible}.learning-route-path-base,.learning-route-path-progress{fill:none;stroke-linecap:round;stroke-width:8}.learning-route-path-base{stroke:#14141414}.learning-route-path-progress{stroke:#b86a2b;filter:drop-shadow(0 6px 16px rgba(184,106,43,.18))}.learning-route-node,.learning-route-label{position:absolute}.learning-route-node{display:grid;place-items:center;width:56px;height:56px;border:1px solid var(--ink);background:#ffffffeb;box-shadow:6px 6px #141414d9;color:var(--accent-dark);cursor:pointer;transform:translate(-50%,-50%);transition:transform .18s ease,background .18s ease,border-color .18s ease}.learning-route-node:hover{transform:translate(-50%,-54%)}.learning-route-node span{font-size:.82rem;font-weight:900;letter-spacing:.12em}.learning-route-node.is-done{background:var(--green);color:#fff}.learning-route-node.is-current{background:#fff7ea;color:var(--accent-dark);box-shadow:6px 6px #141414d9,0 0 0 12px #d89b2824}.learning-route-node.is-next{background:#fff6e6e0}.learning-route-label{display:grid;gap:4px;width:170px;transform:translate(-50%);pointer-events:none}.learning-route-label strong{font-size:.98rem}.learning-route-label.is-current strong{color:var(--accent-dark)}.learning-spotlight-card p,.learning-plan-spotlight p{margin:0;color:var(--muted);line-height:1.75}.learning-chip-list{display:flex;flex-wrap:wrap;gap:10px}.learning-chip{display:inline-flex;align-items:center;gap:8px;padding:10px 12px;border:1px solid rgba(20,20,20,.14);background:#ffffffd1;cursor:pointer;transition:transform .16s ease,border-color .16s ease,background .16s ease}.learning-chip:hover,.learning-preview-row:hover{transform:translateY(-2px);border-color:var(--ink);background:#fff}.learning-chip em{color:var(--accent);font-style:normal;font-weight:900}.learning-inline-meta{display:flex;flex-wrap:wrap;gap:10px 14px}.learning-inline-meta span,.plan-step-state,.learning-preview-row span{color:var(--muted);font-size:.82rem;font-weight:900;letter-spacing:.04em}.learning-preview-list{display:grid;gap:10px}.learning-preview-row{display:grid;gap:6px;padding:12px 14px;border:1px solid rgba(20,20,20,.14);background:#ffffffb8;text-align:left;cursor:pointer;transition:transform .16s ease,border-color .16s ease,background .16s ease}.learning-preview-row strong{font-size:.98rem}.learning-module-card{position:relative;display:grid;gap:10px;min-height:190px;padding:22px;text-align:left;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;will-change:transform,opacity}.learning-module-card:hover{transform:translate(-3px,-3px);border-color:var(--ink);box-shadow:8px 8px 0 var(--ink)}.learning-module-card:after{content:"";position:absolute;inset:auto 16px 16px auto;width:68px;height:68px;border-radius:50%;background:radial-gradient(circle,#0f6b5f1f,#0f6b5f00);pointer-events:none}.learning-module-card strong{font-size:1.25rem}.learning-module-card p{margin:0;color:var(--muted);line-height:1.7}.learning-path{display:grid;gap:18px}.learning-step{display:grid;grid-template-columns:72px minmax(0,1fr);gap:22px;padding:24px 0;border-bottom:1px solid var(--line);will-change:transform,opacity}.learning-step>span{display:grid;place-items:center;width:52px;height:52px;border:1px solid var(--ink);background:var(--accent);color:#fff;box-shadow:6px 6px 0 var(--ink);font-weight:900}.learning-step h3{margin:0 0 8px;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:clamp(1.5rem,3vw,2.4rem)}.learning-step p{margin:0;color:var(--muted);line-height:1.8}.learning-plan,.learning-review{display:grid;gap:22px}.learning-tool-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(180px,240px);gap:22px;align-items:stretch;padding-bottom:22px;border-bottom:1px solid var(--line)}.learning-tool-head h3{margin:8px 0;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:clamp(2rem,4vw,3.8rem);line-height:1.02}.learning-tool-head .muted{margin:0}.learning-progress-card{display:grid;align-content:center;padding:18px;border:1px solid var(--ink);background:#fffdf8e0;box-shadow:8px 8px 0 var(--ink)}.learning-progress-card span,.learning-progress-card em{color:var(--muted);font-size:.84rem;font-style:normal;font-weight:900}.learning-progress-card strong{margin:6px 0;font-family:Georgia,Times New Roman,serif;font-size:3rem;line-height:.95}.learning-plan-list,.review-list{display:grid;gap:14px;min-width:0}.learning-plan-spotlight{margin:24px 0 18px}.learning-plan-item,.review-item{display:grid;grid-template-columns:58px minmax(0,1fr) auto;gap:18px;align-items:start;padding:18px;border:1px solid rgba(20,20,20,.14);background:#fffdf8c7;transition:transform .16s ease,border-color .16s ease,background .16s ease;will-change:transform,opacity;min-width:0}.learning-plan-item>*,.review-item>*{min-width:0}.learning-plan-item{grid-template-columns:58px minmax(0,1fr)}.learning-plan-item:hover,.review-item:hover{transform:translate(4px);border-color:var(--ink);background:#fff}.learning-plan-item.is-done,.review-item.is-done{opacity:.72;background:#0f6b5f14}.plan-check{display:grid;place-items:center;width:48px;height:48px;border:1px solid var(--ink);background:var(--surface-strong);box-shadow:5px 5px 0 var(--ink);color:var(--accent-dark);cursor:pointer;font-weight:900}.learning-plan-item.is-done .plan-check,.review-item.is-done .plan-check{background:var(--green);color:#fff}.learning-plan-item h3,.review-item h3{margin:0 0 8px;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:clamp(1.25rem,2.3vw,1.9rem)}.plan-step-state{display:inline-block;margin-bottom:8px;color:var(--accent-dark)}.learning-plan-item p,.review-item p{margin:0;color:var(--muted);line-height:1.75}.review-question-title{color:var(--ink)!important;font-weight:850}.review-answer-line{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}.review-answer-line span{padding:5px 8px;border:1px solid rgba(182,83,44,.24);background:#b6532c14;color:var(--accent-dark);font-size:.8rem}.review-explanation{padding:12px 14px;border-left:4px solid var(--green);background:#0f6b5f14}.review-item.is-due{box-shadow:inset 4px 0 0 var(--accent-dark)}.review-due-banner{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;padding:18px 20px;border:1px solid rgba(182,83,44,.28);background:#b6532c14}.review-due-banner strong{display:block;margin:6px 0;font-size:1.05rem;font-weight:900}.review-due-banner .muted{margin:0;font-size:.84rem}.review-schedule{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 0}.review-schedule-tag{padding:4px 8px;border:1px solid rgba(20,20,20,.16);background:#1414140a;color:var(--muted)!important;font-size:.74rem!important;font-weight:900}.review-schedule-tag.is-due{border-color:#b6532c57;background:#b6532c1f;color:var(--accent-dark)!important}.review-grade-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}.review-grade{padding:9px 16px;border:2px solid var(--green);background:#0f6b5f1a;color:var(--green);font-family:inherit;font-size:.82rem;font-weight:900;cursor:pointer;min-height:40px;transition:transform .16s ease,background .16s ease,color .16s ease}.review-grade:hover,.review-grade:focus-visible{transform:translateY(-2px);background:var(--green);color:#fffdf8}.review-grade.is-lapse{border-color:var(--accent-dark);background:#b6532c1a;color:var(--accent-dark)}.review-grade.is-lapse:hover,.review-grade.is-lapse:focus-visible{background:var(--accent-dark);color:#fffdf8}.plan-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:14px}.plan-actions span,.review-item span{color:var(--muted);font-size:.86rem;font-weight:900}.plan-resource-button{display:inline-flex;align-items:center;gap:8px;min-height:38px;padding:0 12px;border:1px solid rgba(20,20,20,.18);background:#ffffffc2;cursor:pointer;font-weight:850;transition:transform .16s ease,background .16s ease,border-color .16s ease,color .16s ease}.plan-resource-button:hover{transform:translateY(-2px);border-color:var(--ink);background:var(--ink);color:#fff}.plan-resource-button em{color:var(--accent-dark);font-size:.72rem;font-style:normal;font-weight:950;letter-spacing:.08em}.plan-resource-button:hover em{color:#fff}.review-form{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr) minmax(120px,160px) auto;gap:14px;align-items:end;padding:18px;border:1px solid rgba(20,20,20,.14);background:#fffdf8c7}.review-form label{display:grid;gap:8px;color:var(--muted);font-size:.88rem;font-weight:900}.review-form input,.review-form textarea,.review-form select{width:100%;border:1px solid rgba(20,20,20,.16);background:#ffffffd1;padding:12px 14px;color:var(--ink);outline:none;resize:vertical}.review-form input:focus,.review-form textarea:focus,.review-form select:focus{border-color:var(--accent);box-shadow:0 0 0 4px #b6532c1f}.review-form-error{grid-column:1 / -1;margin:0;color:#a52f36;font-size:.88rem;font-weight:800}.review-undo{position:sticky;bottom:calc(16px + env(safe-area-inset-bottom));z-index:3;display:flex;align-items:center;justify-content:space-between;gap:16px;width:min(520px,100%);margin-left:auto;padding:12px 14px;border:1px solid var(--ink);border-radius:6px;background:var(--ink);color:#fff;box-shadow:6px 6px #b6532c99}.review-undo span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.review-undo button{flex:0 0 auto;min-height:36px;padding:0 12px;border:1px solid rgba(255,255,255,.48);border-radius:4px;background:transparent;color:#fff;cursor:pointer;font-weight:900}.review-undo button:hover,.review-undo button:focus-visible{background:#fff;color:var(--ink)}.review-remove{border:0;background:transparent;color:var(--accent-dark);cursor:pointer;font-weight:900}.learning-library{display:grid;gap:22px}.learning-library-filters{display:grid;gap:16px}.learning-library-queues{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.learning-library-queue{display:grid;gap:8px;min-height:150px;padding:18px;border:1px solid rgba(20,20,20,.12);background:#ffffffbd;text-align:left;cursor:pointer;transition:transform .16s ease,border-color .16s ease,background .16s ease,box-shadow .16s ease}.learning-library-queue:hover{transform:translateY(-3px);border-color:#14141447;background:#ffffffe6}.learning-library-queue.is-active{border-color:#2c5b547a;background:linear-gradient(180deg,#eff4f1f0,#ffffffe0);box-shadow:inset 0 0 0 1px #2c5b542e}.learning-library-queue span{color:var(--muted);font-size:.8rem;font-weight:900;letter-spacing:.04em}.learning-library-queue strong{font-size:1.7rem;line-height:1}.learning-library-queue p{margin:0;color:var(--muted);line-height:1.7}.learning-filter-stack,.learning-filter-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.learning-filter-stack>span,.learning-filter-row label span{color:var(--muted);font-size:.8rem;font-weight:900;letter-spacing:.04em}.learning-filter-row label{display:grid;gap:6px;min-width:160px}.learning-filter-row select{min-height:44px;padding:0 14px;border:1px solid rgba(20,20,20,.14);background:#fffc;font:inherit}.learning-resource-reset{align-self:end}.learning-resource-reset:disabled{opacity:.45;cursor:not-allowed;transform:none}.learning-library-spotlight{display:grid;gap:14px;padding:18px 0;border-top:1px solid rgba(20,20,20,.12);border-bottom:1px solid rgba(20,20,20,.12)}.learning-resource-spotlight{grid-template-columns:minmax(0,1fr) auto;align-items:center}.learning-resource-spotlight-main{display:grid;gap:6px}.learning-resource-spotlight em{color:var(--muted);font-style:normal;font-weight:800;text-align:right}.learning-resource-table{display:grid;border-top:1px solid var(--ink)}.learning-resource-row{display:grid;grid-template-columns:110px minmax(0,1fr) minmax(220px,auto);align-items:center;gap:18px;min-height:68px;padding:14px 0;border:0;border-bottom:1px solid rgba(20,20,20,.12);background:transparent;text-align:left;cursor:pointer;transition:padding-left .16s ease,background .16s ease;will-change:transform,opacity}.learning-resource-row:hover{padding-left:12px;background:#ffffff8a}.learning-resource-row strong{min-width:0}.learning-resource-copy{display:grid;gap:6px;min-width:0}.learning-resource-copy span{color:var(--muted);font-size:.82rem;line-height:1.6}.learning-resource-row em{color:var(--muted);font-style:normal;font-weight:800;text-align:right}.learning-resource-empty{padding:40px;text-align:center;color:#999}.system-layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:75;display:grid;place-items:stretch;padding:0;background:linear-gradient(135deg,#eef3effa,#f5f6f0fa),var(--canvas)}.listening-layer{place-items:center;padding:clamp(12px,4vw,40px);overflow-y:auto}.listening-layer-body{max-width:720px;width:100%;margin:auto 0}.quiz-system-panel{position:relative;width:100%;height:100svh;max-height:none;display:grid;grid-template-rows:auto minmax(0,1fr);overflow:hidden;padding:0;border:0;background:linear-gradient(135deg,#ffffffe0,#eef3efc7),var(--surface);box-shadow:none}.system-topbar{display:grid;grid-template-columns:minmax(0,1fr) auto auto auto;align-items:center;gap:18px;padding:clamp(18px,3vw,28px) clamp(20px,4vw,48px);border-bottom:1px solid rgba(20,20,20,.12);background:#fffdf8db;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.system-topbar h3{margin:6px 0;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:clamp(2rem,4.6vw,4.2rem);line-height:.98}.system-topbar .muted{margin:0}.system-status{min-width:118px;padding:12px 14px;border:1px solid var(--ink);background:#fff;box-shadow:5px 5px 0 var(--ink)}.system-status span{display:block;color:var(--muted);font-size:.76rem;font-weight:900}.system-status strong{display:block;margin-top:4px;font-size:1.08rem}.system-close{width:46px;height:46px;border:1px solid var(--ink);background:var(--ink);color:#fff;cursor:pointer;font-size:1.8rem;line-height:1;transition:transform .18s ease,background .18s ease}.system-close:hover{transform:rotate(4deg) scale(1.04);background:var(--accent)}.mindmap-layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:72;display:grid;place-items:center;padding:clamp(14px,3vw,34px);background:radial-gradient(circle at 18% 14%,rgba(216,155,40,.18),transparent 26%),#1414147a;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.mindmap-panel{width:min(1180px,100%);max-height:min(860px,calc(100svh - 40px));display:grid;grid-template-rows:auto minmax(0,1fr);border:1px solid var(--ink);background:var(--surface);box-shadow:18px 18px 0 var(--ink);overflow:hidden}.mindmap-head{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:24px;padding:clamp(20px,3vw,30px);border-bottom:1px solid var(--line);background:linear-gradient(135deg,#ffffffd1,#eef3efc7),var(--surface)}.mindmap-head h3{margin:8px 0;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:2.25rem;line-height:1.1}.mindmap-head .muted{margin:0}.mindmap-close{width:46px;height:46px;border:1px solid var(--ink);background:var(--ink);color:#fff;cursor:pointer;font-size:1.8rem;line-height:1;transition:transform .18s ease,background .18s ease}.mindmap-close:hover{transform:rotate(4deg) scale(1.04);background:var(--accent)}.mindmap-body{min-height:0;display:grid;grid-template-columns:minmax(230px,300px) minmax(0,1fr)}.mindmap-chapters{display:flex;flex-direction:column;gap:16px;padding:clamp(18px,3vw,26px);border-right:1px solid var(--line);background:#ffffff85}.mindmap-chapters .secondary-action{width:100%}.mindmap-canvas{min-height:0;overflow:auto;padding:clamp(20px,4vw,38px)}.mindmap-title{display:grid;gap:6px;margin-bottom:22px;padding-bottom:16px;border-bottom:1px solid var(--line)}.mindmap-title span{color:var(--accent);font-size:.78rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.mindmap-title h4{margin:0;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:clamp(1.5rem,2.4vw,2.2rem)}.mindmap-tree,.mindmap-children{list-style:none;margin:0;padding:0}.mindmap-children{margin-left:18px;padding-left:18px;border-left:1px solid rgba(20,20,20,.11)}.mindmap-node{margin:8px 0}.mindmap-node details{position:relative}.mindmap-node summary{display:grid;grid-template-columns:12px minmax(0,1fr) auto;align-items:start;gap:10px;padding:9px 10px;border:1px solid transparent;background:#ffffffbd;cursor:pointer;transition:transform .16s ease,border-color .16s ease,background .16s ease}.mindmap-node summary:hover{transform:translate(4px);border-color:#14141424;background:#fff}.mindmap-node summary::-webkit-details-marker{display:none}.node-dot{width:10px;height:10px;margin-top:6px;border:1px solid var(--ink);background:var(--green);box-shadow:2px 2px 0 var(--ink)}.mindmap-node strong{line-height:1.65;font-weight:750}.mindmap-node em{padding:3px 7px;border:1px solid rgba(40,90,143,.18);background:#285a8f14;color:var(--blue);font-size:.72rem;font-style:normal;font-weight:900;white-space:nowrap}.markdown-layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:73;display:grid;place-items:stretch;background:linear-gradient(135deg,#f5f6f0fa,#eef3effa),var(--canvas)}.markdown-panel{height:100svh;display:grid;grid-template-rows:auto auto minmax(0,1fr);overflow:hidden}.markdown-head{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;padding:clamp(18px,3vw,28px) clamp(20px,4vw,48px);border-bottom:1px solid rgba(20,20,20,.12);background:#fffdf8db;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.markdown-head h3{margin:6px 0;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:2.25rem;line-height:1.1}.markdown-head .muted{margin:0}.markdown-body{min-height:0;display:grid;grid-template-columns:minmax(260px,330px) minmax(0,1fr)}.markdown-sidebar{min-height:0;overflow:auto;display:grid;align-content:start;gap:18px;padding:clamp(20px,3vw,28px);border-right:1px solid rgba(20,20,20,.12);background:linear-gradient(180deg,#ffffffb8,#eef3ef9e),var(--surface)}.markdown-main{min-width:0;min-height:0;overflow:auto;padding:clamp(24px,5vw,58px)}.markdown-reader{width:min(880px,100%);margin:0 auto;padding:clamp(24px,5vw,52px);border:1px solid var(--ink);background:#fffdf8f5;box-shadow:12px 12px 0 var(--ink);line-height:1.85;overflow-wrap:anywhere}.markdown-reader h1,.markdown-reader h2,.markdown-reader h3,.markdown-reader h4{margin:1.35em 0 .55em;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;line-height:1.2}.markdown-reader h1:first-child,.markdown-reader h2:first-child,.markdown-reader h3:first-child{margin-top:0}.markdown-reader h1{font-size:clamp(2rem,4vw,3.6rem)}.markdown-reader h2{padding-bottom:10px;border-bottom:1px solid var(--line);font-size:clamp(1.45rem,2.5vw,2.2rem)}.markdown-reader h3{font-size:1.28rem}.markdown-reader p{margin:.85em 0;color:#2d2d2a}.markdown-reader ul{margin:.8em 0 1.1em;padding-left:1.2em}.markdown-reader li{margin:.35em 0}.markdown-reader blockquote{margin:1em 0;padding:12px 16px;border-left:4px solid var(--green);background:#0f6b5f14;color:var(--muted)}.markdown-reader code{padding:2px 5px;background:#14141414;font-family:Cascadia Mono,Consolas,monospace;font-size:.92em}.markdown-reader pre{overflow:auto;padding:16px;background:#171717;color:#f8f8f2}.markdown-reader pre code{padding:0;background:transparent;color:inherit}.login-layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:80;display:grid;place-items:center;padding:20px;background:#1118277a;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);overscroll-behavior:contain}.login-dialog{position:relative;width:min(400px,100%);max-height:calc(100vh - 40px);overflow-y:auto;padding:28px;border:1px solid #e5e7eb;border-radius:8px;background:#fff;box-shadow:0 20px 60px #1118273d}.login-dialog h2{margin:6px 48px 6px 0;font-family:inherit;font-size:1.5rem;line-height:1.35;letter-spacing:0}.login-dialog-brand{margin:0;color:var(--accent-dark);font-size:.82rem;font-weight:800;letter-spacing:0}.login-dialog>.muted{margin:0 0 20px;font-size:.9rem}.login-dialog-close{position:absolute;top:12px;right:12px;display:grid;width:40px;height:40px;place-items:center;padding:0;border:0;border-radius:6px;background:transparent;color:#6b7280;font-size:1.5rem;line-height:1;cursor:pointer}.login-dialog-close:hover{background:#f3f4f6;color:#111827}.login-dialog-close:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.login-dialog label{display:grid;gap:7px;margin-top:14px;color:#374151;font-size:.9rem;font-weight:700}.login-dialog input{width:100%;min-height:44px;border:1px solid #d1d5db;border-radius:6px;padding:0 14px;background:#fff;outline:none;color:var(--ink)}.login-dialog input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #c23b2a1f}.auth-notice,.auth-terms{margin-top:16px;border:1px solid rgba(20,20,20,.14);background:#f7f2e8bd}.auth-notice{padding:12px 14px}.auth-notice strong,.auth-terms summary{color:var(--ink);font-size:.82rem;font-weight:950}.auth-notice p,.auth-terms p{margin:8px 0 0;color:var(--muted);font-size:.82rem;font-weight:650;line-height:1.65}.auth-terms summary{padding:12px 14px;cursor:pointer}.auth-terms div{display:grid;gap:8px;padding:0 14px 14px}.agreement-check{display:flex!important;grid-template-columns:none!important;align-items:flex-start;gap:10px!important;margin-top:14px!important;color:var(--ink)!important;line-height:1.55}.agreement-check input{min-height:0;width:18px;height:18px;flex:0 0 18px;margin-top:2px;accent-color:var(--accent)}.agreement-check span{font-size:.86rem;font-weight:900}.agreement-check label{display:inline;margin:0;color:inherit;font:inherit}.agreement-check button,.auth-legal-links button{padding:1px 2px;border:0;background:transparent;color:var(--accent-dark);font:inherit;font-weight:900;cursor:pointer}.agreement-check button:hover,.auth-legal-links button:hover{text-decoration:underline;text-underline-offset:3px}.agreement-check button:focus-visible,.auth-legal-links button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.auth-legal-links{margin:10px 0 0;color:#6b7280;font-size:.78rem;line-height:1.6;text-align:center}.login-error{margin:14px 0 0;padding:10px 12px;border:1px solid rgba(194,59,42,.3);background:#c23b2a14;color:var(--accent-dark);font-weight:800}.login-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.login-actions .primary-action,.login-actions .secondary-action{min-height:42px;border-radius:6px;box-shadow:none;font-size:.9rem;transition:background .16s ease,border-color .16s ease,color .16s ease}.login-actions .primary-action:hover,.login-actions .secondary-action:hover{transform:none;box-shadow:none}.login-actions button:disabled{cursor:wait;opacity:.72}.login-switch{margin:20px 0 0;color:#6b7280;font-size:.88rem;text-align:center}.login-switch button{padding:2px 4px;border:0;background:transparent;color:var(--accent-dark);font:inherit;font-weight:800;cursor:pointer}.login-switch button:hover{text-decoration:underline;text-underline-offset:3px}@media (max-width: 1080px){.site-header{flex-wrap:wrap;gap:16px}.subject-rail-controls{grid-template-columns:1fr}.subject-list{justify-content:flex-start}.header-action{justify-self:start}.header-actions{justify-content:flex-start}.hero-surface,.quiz-layout,.toolbar,.resource-row{grid-template-columns:1fr}.hero-surface{min-height:auto}.hero-visual{min-height:380px}.resource-meta{align-items:flex-start}.overview-band,.subject-readiness-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.subject-portfolio,.subject-leaderboard{grid-template-columns:1fr}.subject-spotlight{grid-template-columns:repeat(2,minmax(0,1fr))}.system-gateway,.system-gateway-grid{grid-template-columns:1fr}.system-gateway-grid article{min-height:210px;border-right:0;border-bottom:1px solid var(--line)}.system-gateway-grid article:last-child{border-bottom:0}.learning-system{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr)}.learning-nav{gap:10px;padding:18px;grid-template-rows:auto auto;grid-template-columns:1fr;border-right:0;border-bottom:1px solid var(--line)}.learning-brand{padding-bottom:12px}.learning-account{margin-top:0;align-self:auto;padding-top:12px}.learning-metrics,.learning-module-grid,.learning-dashboard-spotlight,.learning-focus-list{grid-template-columns:repeat(2,minmax(0,1fr))}.learning-filter-row label{min-width:0;flex:1 1 180px}.learning-library-queues,.learning-resource-spotlight{grid-template-columns:1fr}.learning-resource-spotlight em{text-align:left}.learning-resource-row{grid-template-columns:90px minmax(0,1fr)}.learning-resource-row em{grid-column:2;text-align:left}.learning-tool-head,.learning-route-head,.review-form,.review-item{grid-template-columns:1fr}.learning-route-head-controls{justify-items:start}.learning-heat-layout,.learning-rhythm-layout{grid-template-columns:1fr}.learning-rhythm-board{grid-template-columns:repeat(2,minmax(0,1fr))}.learning-route-head{display:grid;align-items:start}}@media (min-width: 721px) and (max-width: 1080px){.learning-system{grid-template-columns:minmax(190px,220px) minmax(0,1fr);grid-template-rows:none}.learning-nav{display:flex;flex-direction:column;gap:10px;padding:16px 14px;border-right:1px solid rgba(20,20,20,.12);border-bottom:0}.learning-brand{padding-bottom:10px}.subject-switcher select{min-height:34px;font-size:.78rem}.learning-nav-menu{display:grid;gap:7px;overflow:visible;padding-bottom:0}.learning-nav-item{width:100%;min-height:40px;padding:0 12px;font-size:.84rem;white-space:normal}.learning-account{display:grid;grid-template-columns:1fr;gap:10px;margin-top:auto;padding-top:10px}.learning-account-meta{display:grid;gap:2px}.learning-account-actions{display:grid;gap:6px}.learning-account button{justify-self:start;min-height:30px;padding:0}.learning-topbar{position:sticky;top:0;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:16px;padding:18px 20px}.learning-topbar h2{margin:4px 0;font-size:clamp(1.8rem,5vw,2.6rem)}.learning-topbar-actions{width:auto;justify-content:flex-end;gap:8px}.learning-topbar-actions .secondary-action{min-height:40px;padding-inline:14px}.learning-dashboard,.learning-path,.learning-plan,.learning-library,.learning-review{padding:18px 20px 20px}.learning-hero-card{gap:10px;min-height:0;padding:18px}.learning-hero-card h3{font-size:clamp(1.6rem,5.2vw,2.35rem)}.learning-hero-card p{font-size:.9rem;line-height:1.56}.learning-focus-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:4px}.learning-focus-list button{min-width:0;padding:12px}.learning-hero-actions{gap:8px}.learning-hero-actions .primary-action,.learning-hero-actions .secondary-action{min-height:42px;font-size:.9rem}.learning-metrics,.learning-module-grid,.learning-dashboard-spotlight{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:14px}.learning-metrics>div{padding:12px 14px}.learning-metrics strong{font-size:2rem}}@media (min-width: 560px) and (max-width: 720px){.learning-nav{padding:14px 16px;gap:8px}.learning-account{grid-template-columns:minmax(0,1fr) auto;gap:6px 12px;padding-top:8px}.learning-account-meta{display:flex;align-items:baseline;gap:8px}.learning-account-actions{gap:10px}.learning-account button{flex:0 0 auto;min-height:30px}.learning-topbar{grid-template-columns:minmax(0,1fr) auto;gap:10px;padding:14px 16px}.learning-topbar h2{font-size:clamp(1.5rem,6.2vw,2rem)}.learning-topbar-actions{width:auto;justify-content:flex-end;gap:8px}.learning-topbar-actions .secondary-action{flex:0 0 auto;min-height:38px;padding-inline:12px}.learning-dashboard,.learning-path,.learning-plan,.learning-library,.learning-review{padding:14px 16px 16px}.learning-hero-card{padding:16px}.learning-hero-card h3{font-size:clamp(1.45rem,6.4vw,2.1rem)}.learning-focus-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:8px;overflow:visible;padding-bottom:0}.learning-focus-list button{flex:initial;min-width:0;padding:11px 12px}.learning-metrics,.learning-dashboard-spotlight,.learning-module-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:10px;margin-top:12px}.learning-metrics>div{padding:12px 14px}.learning-metrics strong{font-size:1.9rem}}@media (max-width: 720px){:root{--header-height: 0px}.site-header{position:relative;padding:18px 16px;flex-direction:column;align-items:flex-start;gap:16px}.brand-mark{align-items:flex-start}.subject-pill{width:auto;min-width:148px;flex:0 0 auto}.subject-list{flex-wrap:nowrap;overflow-x:auto;padding:2px 4px 8px 2px;scrollbar-width:thin;scroll-snap-type:x proximity}.subject-pill{scroll-snap-align:start}.overview-wrap{width:min(100% - 28px,1180px)}.hero-title{font-size:3.25rem}.hero-visual{min-height:320px}.hero-orbit{top:20px;right:20px;bottom:20px;left:20px}.portal-card{box-shadow:10px 10px 0 var(--ink)}.overview-band,.section-heading,.path-item,.resource-group-head,.subject-readiness-strip,.subject-readiness-grid,.subject-portfolio-summary,.subject-spotlight{grid-template-columns:1fr}.subject-readiness-progress{justify-items:start}.metric{border-right:0;border-bottom:1px solid var(--line)}.metric:last-child{border-bottom:0}.result-count{justify-self:start;white-space:normal}.path-item{gap:14px}.path-marker{width:34px;height:34px}.child-row{flex-direction:column;gap:4px}.child-meta{white-space:normal}.login-actions{flex-direction:column-reverse}.login-actions .primary-action,.login-actions .secondary-action{width:100%}.quiz-lock,.quiz-card-head,.quiz-actions{grid-template-columns:1fr;align-items:stretch}.quiz-lock{display:grid}.quiz-lock .primary-action,.quiz-actions .primary-action,.quiz-actions .secondary-action{width:100%}.quiz-nav{grid-template-columns:repeat(4,minmax(0,1fr))}.learning-nav{padding:14px 16px;gap:8px}.learning-brand{align-items:flex-start;gap:9px;padding-bottom:8px}.learning-brand>span{width:40px;height:40px;font-size:1rem}.learning-brand strong{font-size:1rem}.learning-brand small{font-size:.78rem}.subject-switcher{margin-top:6px}.subject-switcher select{min-height:34px;font-size:.78rem}.learning-account{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px 12px;margin-top:2px;padding-top:10px}.learning-account-meta{display:grid;gap:2px}.learning-account-meta strong{font-size:.88rem;line-height:1.15}.learning-account-label,.learning-account-name{white-space:nowrap}.learning-nav-menu{display:flex;flex-wrap:nowrap;gap:8px;overflow-x:auto;padding-bottom:4px;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;scrollbar-width:none}.learning-nav-menu::-webkit-scrollbar{display:none}.learning-nav-item{width:auto;flex:0 0 auto;min-height:38px;padding:0 12px;font-size:.88rem;scroll-snap-align:start;white-space:nowrap}.learning-nav-item:hover,.learning-nav-item.is-active{transform:none}.learning-topbar{position:relative;top:auto;grid-template-columns:1fr;align-items:start;gap:10px;padding:14px 16px;-webkit-backdrop-filter:none;backdrop-filter:none}.learning-topbar h2{font-size:clamp(1.65rem,9.2vw,2.45rem);line-height:.98}.learning-topbar-actions{width:100%;justify-content:flex-start;flex-wrap:nowrap;gap:6px}.learning-topbar-actions .secondary-action{flex:1 1 auto;min-width:0;min-height:40px;padding-inline:12px}.learning-topbar,.learning-dashboard,.learning-path,.learning-plan,.learning-library,.learning-review{padding:18px}.learning-hero-card{min-height:0;gap:8px;padding:14px;box-shadow:10px 10px 0 var(--ink)}.learning-hero-card h3{font-size:clamp(1.55rem,7.4vw,2.35rem);line-height:1.02}.learning-hero-card p{font-size:.9rem;line-height:1.56}.learning-focus-list{display:flex;gap:8px;margin-top:2px;overflow-x:auto;padding-bottom:2px;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;scrollbar-width:none}.learning-focus-list::-webkit-scrollbar{display:none}.learning-focus-list button{flex:0 0 min(220px,76vw);gap:4px;padding:11px 12px;scroll-snap-align:start}.learning-focus-list strong{font-size:.92rem}.learning-hero-actions{gap:8px;margin-top:0}.learning-hero-actions .primary-action,.learning-hero-actions .secondary-action{flex:1 1 calc(50% - 4px);justify-content:center}.learning-metrics,.learning-module-grid,.learning-dashboard-spotlight,.learning-focus-list{grid-template-columns:1fr}.learning-metrics,.learning-module-grid,.learning-dashboard-spotlight{gap:10px;margin-top:12px}.learning-metrics>div{padding:12px}.learning-metrics strong{margin-top:6px;font-size:2rem}.learning-filter-stack,.learning-filter-row{align-items:stretch}.learning-filter-stack{gap:10px}.learning-range-switch{width:100%}.learning-range-switch button{flex:1 1 0;text-align:center}.learning-filter-row label,.learning-resource-reset{width:100%}.learning-library-queue{min-height:0;padding:14px}.learning-library-queue strong{font-size:1.45rem}.learning-library-spotlight{padding:12px 0}.learning-route-card,.learning-spotlight-card,.learning-plan-spotlight,.learning-goal-card,.learning-rhythm-detail,.learning-activity-detail,.learning-heat-metric,.learning-diagnostic-card{gap:10px;padding:14px}.learning-route-head{gap:10px}.learning-route-head h3,.learning-spotlight-card h3,.learning-plan-spotlight h3{font-size:clamp(1.25rem,6vw,1.8rem)}.learning-inline-meta{gap:6px}.learning-inline-meta span,.learning-activity-time span,.learning-goal-item span,.learning-diagnostic-signal span,.learning-diagnostic-signal strong{font-size:.76rem}.learning-route-visual{min-width:620px;min-height:300px}.learning-heat-layout,.learning-rhythm-layout{gap:10px}.learning-heatmap-board{gap:7px;padding:8px}.learning-heatmap-week{gap:7px}.learning-heat-cell{min-height:28px}.learning-heat-side,.learning-rhythm-aside{gap:10px}.learning-heat-metric strong,.learning-rhythm-detail-head strong{font-size:.96rem}.learning-heat-metric em,.learning-rhythm-detail-head em{font-size:.74rem;line-height:1.45}.learning-preview-list,.learning-activity-bars{gap:8px}.learning-preview-row{gap:6px;padding:10px 12px}.learning-preview-row strong{font-size:.88rem}.learning-preview-row span,.learning-diagnostic-card p{font-size:.8rem;line-height:1.5}.learning-diagnostic-signals{gap:8px}.learning-diagnostic-signal,.learning-activity-bar{gap:5px}.learning-activity-bar>div{font-size:.76rem}.learning-activity-bar-track{height:8px}.learning-activity-time{grid-template-columns:1fr;gap:6px}.learning-rhythm-board{grid-template-columns:1fr}.learning-rhythm-column{gap:8px;padding:10px 12px}.learning-rhythm-meter{gap:6px}.learning-rhythm-meter-row{gap:4px}.learning-rhythm-meter-row label{font-size:.68rem}.learning-rhythm-note p,.learning-diagnostic-card p{line-height:1.58}.learning-rhythm-note{gap:4px}.learning-rhythm-note strong,.learning-rhythm-caption strong{font-size:.9rem}.learning-rhythm-caption span,.learning-rhythm-note em{font-size:.72rem}.learning-goal-ring{width:118px}.learning-goal-ring strong{font-size:1.35rem}.learning-route-label{width:132px}.learning-step{grid-template-columns:1fr}.learning-resource-row{grid-template-columns:1fr;gap:8px;padding:12px 0 14px}.learning-resource-row em{grid-column:auto}.learning-tool-head{gap:14px;padding-bottom:14px}.learning-tool-head h3{margin:4px 0 6px;font-size:clamp(1.45rem,6.8vw,2.2rem)}.learning-progress-card{padding:14px}.learning-progress-card strong{font-size:2.2rem}.learning-library,.learning-plan,.learning-review{gap:16px}.learning-library-filters,.review-list,.learning-plan-list{gap:12px}.learning-library-queue{min-height:0;gap:6px;padding:12px}.learning-library-queue strong{font-size:1.35rem}.learning-library-queue p{font-size:.82rem;line-height:1.5}.learning-resource-copy span{font-size:.78rem}.review-form{gap:12px;padding:14px}.review-form label{gap:6px;font-size:.82rem}.review-form input,.review-form textarea,.review-form select{padding:10px 12px}.learning-plan-item,.review-item{gap:14px;padding:14px}.plan-check{width:42px;height:42px;box-shadow:4px 4px 0 var(--ink)}.learning-plan-item h3,.review-item h3{margin-bottom:6px;font-size:clamp(1.08rem,4.4vw,1.45rem)}.learning-plan-item p,.review-item p,.review-item span{font-size:.82rem;line-height:1.55}.plan-actions{gap:8px;margin-top:10px}.plan-resource-button{min-height:34px;padding:0 10px;font-size:.84rem}.learning-account-actions{display:flex;flex-wrap:nowrap;align-items:stretch;gap:6px;justify-content:flex-end}.learning-account .account-admin-button{margin-top:0;padding:7px 10px}.learning-account button{justify-self:auto;flex:0 0 auto;min-height:32px;padding:0 2px;text-align:center;font-size:.82rem}.learning-plan-item,.review-item{grid-template-columns:1fr}.mindmap-panel{max-height:calc(100svh - 24px);box-shadow:8px 8px 0 var(--ink)}.system-layer{place-items:stretch}.quiz-system-panel{height:100svh}.system-topbar{grid-template-columns:1fr}.system-topbar .system-status,.system-topbar .system-close{justify-self:start}.mindmap-body,.markdown-body{grid-template-columns:1fr}.markdown-sidebar{border-right:0;border-bottom:1px solid var(--line)}.markdown-head{grid-template-columns:1fr}.mindmap-chapters{border-right:0;border-bottom:1px solid var(--line)}.mindmap-head{grid-template-columns:1fr}.mindmap-close{justify-self:start}}@media (max-width: 480px){.learning-system{grid-template-rows:auto minmax(0,1fr)}.learning-nav{gap:6px;padding:10px 12px}.learning-brand{gap:6px;padding-bottom:5px}.learning-brand>span{width:36px;height:36px;font-size:.92rem}.learning-brand strong{font-size:.9rem}.learning-brand small,.learning-account,.learning-account button,.learning-account-meta span{font-size:.76rem}.subject-switcher{margin-top:4px}.subject-switcher select{min-height:30px;padding:0 8px}.learning-nav-menu{gap:5px;padding-bottom:2px}.learning-nav-item{min-height:32px;padding:0 9px;font-size:.8rem}.learning-account{gap:4px 8px;margin-top:0;padding-top:6px}.learning-account-meta{display:flex;align-items:baseline;gap:6px;min-width:0}.learning-account-meta strong{font-size:.8rem}.learning-account-label{flex:0 0 auto}.learning-account-name{min-width:0;overflow:hidden;text-overflow:ellipsis}.learning-account-actions{gap:6px}.learning-account .account-admin-button{padding:6px 8px}.learning-account button{min-height:28px}.learning-topbar{grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:5px;padding:9px 12px}.learning-topbar .eyebrow{margin:0 0 2px;font-size:.68rem;letter-spacing:.18em}.learning-topbar h2{margin:0 0 2px;font-size:clamp(1.02rem,6.2vw,1.38rem);line-height:1}.learning-topbar .muted{font-size:.74rem}.learning-topbar-actions{gap:5px;width:auto;justify-content:flex-end;align-self:start}.learning-topbar-actions .secondary-action{flex:0 0 auto;min-height:32px;padding-inline:7px;font-size:.72rem}.learning-topbar .muted{line-height:1.35}.system-close{width:32px;height:32px;font-size:.96rem}.learning-dashboard,.learning-path,.learning-plan,.learning-library,.learning-review{padding:9px 12px 12px}.learning-hero-card{gap:8px;gap:7px;padding:11px;box-shadow:8px 8px 0 var(--ink)}.learning-hero-card h3{font-size:clamp(1.16rem,6.8vw,1.58rem)}.learning-hero-card p{font-size:.8rem;line-height:1.42}.learning-hero-summary{-webkit-line-clamp:2}.learning-progress-rail{height:7px}.learning-focus-list button,.learning-route-card,.learning-spotlight-card,.learning-plan-spotlight,.learning-goal-card,.learning-rhythm-detail,.learning-activity-detail,.learning-heat-metric,.learning-diagnostic-card{padding:12px}.learning-focus-list strong{font-size:.88rem}.learning-focus-list button{flex-basis:min(188px,74vw);padding:10px 11px}.learning-focus-list span{font-size:.68rem;letter-spacing:.1em}.learning-hero-actions .primary-action,.learning-hero-actions .secondary-action{min-height:40px;font-size:.88rem}.learning-metrics{gap:8px;margin-top:10px}.learning-metrics>div{padding:10px 12px}.learning-metrics strong{margin-top:5px;font-size:1.72rem}.learning-metrics span{font-size:.72rem}.learning-route-head h3,.learning-spotlight-card h3,.learning-plan-spotlight h3{font-size:1.2rem}.learning-inline-meta{gap:5px}.learning-inline-meta span{font-size:.72rem}.learning-heatmap-board{gap:6px;padding:8px}.learning-dashboard-spotlight{margin-top:10px}.learning-heatmap-week{gap:6px}.learning-heat-cell{min-height:24px}.learning-heat-cell-label{left:5px;bottom:4px;font-size:.62rem}.learning-route-head,.learning-heat-layout,.learning-heat-side{gap:8px}.learning-heat-metric,.learning-activity-detail,.learning-goal-card,.learning-rhythm-detail{gap:8px;padding:10px}.learning-heat-metric strong,.learning-rhythm-detail-head strong{font-size:.9rem}.learning-heat-metric em,.learning-rhythm-detail-head em{font-size:.7rem}.learning-preview-list{gap:6px}.learning-preview-row{gap:5px;padding:8px 10px}.learning-preview-row strong{font-size:.82rem}.learning-preview-row span,.learning-diagnostic-card p{font-size:.74rem;line-height:1.42}.learning-diagnostic-signals{gap:6px}.learning-diagnostic-signal{gap:4px}.learning-heat-legend{gap:6px}.learning-heat-legend i{width:16px;height:16px}.learning-rhythm-column{gap:7px;padding:9px 10px}.learning-rhythm-caption strong,.learning-rhythm-note strong,.learning-rhythm-detail-head strong{font-size:.92rem}.learning-rhythm-caption span,.learning-rhythm-note em,.learning-rhythm-detail-head em{font-size:.72rem}.learning-rhythm-meter{gap:5px}.learning-rhythm-meter-row{gap:3px}.learning-rhythm-meter-row label{font-size:.64rem}.learning-rhythm-note{gap:3px}.learning-goal-ring{width:104px}.learning-goal-ring strong{font-size:1.2rem}.learning-goal-card,.learning-rhythm-detail{gap:7px;padding:9px}.learning-goal-item em{font-size:.7rem;line-height:1.45}.learning-rhythm-legend{gap:5px}.learning-rhythm-legend span{padding:5px 8px;font-size:.68rem}.learning-tool-head{gap:10px;padding-bottom:12px}.learning-tool-head h3{margin:2px 0 4px;font-size:clamp(1.22rem,6vw,1.7rem)}.learning-progress-card{padding:10px 12px;box-shadow:6px 6px 0 var(--ink)}.learning-progress-card strong{margin:4px 0;font-size:1.85rem}.learning-library,.learning-plan,.learning-review{gap:12px}.learning-library-filters,.review-list,.learning-plan-list{gap:10px}.learning-library-queue{gap:5px;padding:10px}.learning-library-queue span{font-size:.72rem}.learning-library-queue strong{font-size:1.18rem}.learning-library-queue p{font-size:.76rem;line-height:1.42}.learning-resource-row{gap:6px;padding:10px 0 12px}.review-form{gap:10px;padding:12px}.review-form label{gap:5px;font-size:.78rem}.review-form input,.review-form textarea,.review-form select{padding:9px 10px}.learning-plan-item,.review-item{gap:12px;padding:12px}.plan-check{width:38px;height:38px;box-shadow:3px 3px 0 var(--ink);font-size:.84rem}.learning-plan-item h3,.review-item h3{font-size:clamp(1rem,4vw,1.28rem)}.learning-plan-item p,.review-item p,.review-item span,.plan-actions span{font-size:.76rem;line-height:1.46}.review-answer-line{gap:6px;margin:8px 0}.review-answer-line span{padding:4px 6px;font-size:.72rem}.review-explanation{padding:10px 12px}.plan-actions{gap:6px;margin-top:8px}.plan-resource-button{min-height:32px;gap:6px;padding:0 9px;font-size:.78rem}}@media (max-width: 400px){.learning-hero-card{gap:7px;padding:12px}.learning-hero-card h3{font-size:clamp(1.18rem,7.5vw,1.65rem);line-height:1.04}.learning-hero-card p{font-size:.84rem;line-height:1.48}.learning-hero-summary{-webkit-line-clamp:1}.learning-progress-rail{height:6px}.learning-focus-list{gap:6px;margin-top:2px}.learning-focus-list button{gap:3px;padding:10px}.learning-focus-list strong{font-size:.82rem}.learning-hero-actions{gap:6px;margin-top:0}.learning-hero-actions .primary-action,.learning-hero-actions .secondary-action{min-height:36px;font-size:.82rem}.learning-metrics{gap:8px;margin-top:8px}.learning-metrics>div{padding:9px 11px}.learning-metrics strong{margin-top:4px;font-size:1.55rem}.learning-dashboard-spotlight{gap:8px;margin-top:8px}}@media (max-width: 360px){.learning-nav{padding:10px 12px}.learning-account-actions{display:grid;grid-template-columns:1fr}.learning-nav-item{min-height:34px;padding:0 9px}.learning-topbar{padding:10px 12px}.learning-dashboard,.learning-path,.learning-plan,.learning-library,.learning-review{padding:10px 12px 12px}.learning-progress-card{padding:14px;box-shadow:6px 6px 0 var(--ink)}.learning-progress-card strong{font-size:2.4rem}.learning-route-card,.learning-spotlight-card,.learning-plan-spotlight{padding:16px}.learning-topbar-actions{gap:6px}.system-close{width:34px;height:34px;font-size:1.02rem}}@media (min-width: 560px) and (max-width: 720px){.learning-nav{padding:14px 16px;gap:8px}.learning-brand{padding-bottom:8px}.learning-nav-menu{gap:8px}.learning-nav-item{min-height:38px;padding:0 12px;font-size:.84rem}.learning-account{grid-template-columns:minmax(0,1fr) auto;gap:6px 12px;padding-top:8px}.learning-account-meta{display:flex;align-items:baseline;gap:8px}.learning-account-actions{gap:10px}.learning-account button{min-height:30px;font-size:.8rem}.learning-topbar{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;padding:14px 16px}.learning-topbar h2{font-size:clamp(1.5rem,6.2vw,2rem)}.learning-topbar-actions{width:auto;justify-content:flex-end;gap:8px}.learning-topbar-actions .secondary-action{flex:0 0 auto;min-height:38px;padding-inline:12px;font-size:.8rem}.learning-dashboard,.learning-path,.learning-plan,.learning-library,.learning-review{padding:14px 16px 16px}.learning-hero-card{padding:16px}.learning-hero-card h3{font-size:clamp(1.45rem,6.4vw,2.1rem)}.learning-focus-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:8px;overflow:visible;padding-bottom:0}.learning-focus-list button{flex:initial;padding:11px 12px}.learning-hero-actions{gap:8px}.learning-metrics,.learning-dashboard-spotlight,.learning-module-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:10px;margin-top:12px}.learning-metrics>div{padding:12px 14px}.learning-metrics strong{font-size:1.9rem}}@media (min-width: 560px) and (max-width: 1080px){.learning-system .learning-focus-list,.learning-system .learning-metrics,.learning-system .learning-dashboard-spotlight,.learning-system .learning-module-grid{grid-template-columns:minmax(0,calc((100% - 10px)/2)) minmax(0,calc((100% - 10px)/2))!important}.learning-system .learning-focus-list{display:grid!important;overflow:visible;max-width:none}.learning-system .learning-focus-list button{min-width:0;width:100%}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.admin-system .quiz-main{overflow-x:auto}.resource-group-header{font-size:15px;font-weight:700;padding:16px 14px 8px;color:#b86a2b;border-bottom:2px solid rgba(184,106,43,.15);margin-bottom:4px;margin-top:8px}.resource-group-header:first-child{margin-top:0}.admin-table{width:100%;border-collapse:collapse;font-size:.86rem}.admin-table th,.admin-table td{text-align:left;padding:11px 12px;border-bottom:1px solid rgba(31,26,23,.1);vertical-align:middle}.admin-table thead th{font-size:.74rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:#1f1a178c;border-bottom:2px solid rgba(31,26,23,.18);white-space:nowrap}.admin-table tbody tr:hover{background:#b86a2b0d}.admin-time{font-variant-numeric:tabular-nums;color:#1f1a1799;white-space:nowrap}.admin-detail{max-width:320px;color:#1f1a17c7}.admin-badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:.74rem;font-weight:800;background:#1f1a1714;color:#1f1a17b3;white-space:nowrap}.admin-badge.is-admin{background:#b86a2b29;color:#b86a2b}.admin-badge.is-disabled{background:#b4282824;color:#b42828}.admin-badge.is-correct{background:#28824629;color:#228247}.admin-badge.is-wrong{background:#b4282824;color:#b42828}.admin-link{border:none;background:none;color:#b86a2b;font-weight:800;cursor:pointer;padding:0;text-decoration:underline;font-size:.84rem}.admin-actions{display:flex;flex-wrap:wrap;gap:6px;white-space:nowrap}.admin-actions button{border:1px solid rgba(31,26,23,.2);background:#fff;color:var(--ink);font-size:.76rem;font-weight:700;padding:4px 9px;border-radius:7px;cursor:pointer;transition:background .14s ease,border-color .14s ease}.admin-actions button:hover{background:#b86a2b1a;border-color:#b86a2b66}.admin-actions button.is-danger{color:#b42828;border-color:#b428284d}.admin-actions button.is-danger:hover{background:#b428281a}.brutalist-modal-enter-active{transition:opacity .28s ease}.brutalist-modal-enter-active .login-dialog{animation:brutalist-pop-in .42s cubic-bezier(.34,1.56,.64,1)}.brutalist-modal-leave-active{transition:opacity .2s ease}.brutalist-modal-leave-active .login-dialog{animation:brutalist-pop-out .2s cubic-bezier(.36,.07,.19,.97) forwards}@keyframes brutalist-pop-in{0%{transform:scale(.97) translateY(12px);opacity:0}to{transform:scale(1) translateY(0);opacity:1}}@keyframes brutalist-pop-out{0%{transform:scale(1) translateY(0);opacity:1}to{transform:scale(.98) translateY(8px);opacity:0}}.brutalist-preview-enter-active{transition:opacity .32s ease}.brutalist-preview-enter-active .markdown-panel,.brutalist-preview-enter-active .mindmap-panel{animation:brutalist-slide-in .48s cubic-bezier(.34,1.56,.64,1)}.brutalist-preview-leave-active{transition:opacity .25s ease}.brutalist-preview-leave-active .markdown-panel,.brutalist-preview-leave-active .mindmap-panel{animation:brutalist-slide-out .25s ease forwards}@keyframes brutalist-slide-in{0%{transform:translateY(32px) scale(.98) rotate(-.5deg);opacity:0}to{transform:translateY(0) scale(1) rotate(0);opacity:1}}@keyframes brutalist-slide-out{0%{transform:translateY(0) scale(1) rotate(0);opacity:1}to{transform:translateY(24px) scale(.98) rotate(.5deg);opacity:0}}.brutalist-skeleton{background:repeating-linear-gradient(-45deg,#1414140a,#1414140a 12px,#14141414 12px,#14141414 24px)!important;background-size:48px 48px!important;animation:brutalist-skeleton-pulse 1.8s infinite linear,brutalist-stripe-flow 2s infinite linear;border:2px dashed rgba(20,20,20,.18)!important;box-shadow:none!important;color:transparent!important}.brutalist-skeleton *{visibility:hidden!important}@keyframes brutalist-skeleton-pulse{0%{opacity:.6}50%{opacity:.95}to{opacity:.6}}@keyframes brutalist-stripe-flow{0%{background-position:0 0}to{background-position:32px 0}}.option-button.is-correct{animation:brutalist-correct-pulse .45s cubic-bezier(.175,.885,.32,1.275)}.option-button.is-wrong{animation:brutalist-shake .45s ease-in-out}@keyframes brutalist-correct-pulse{0%{transform:scale(1) translate(0)}50%{transform:scale(1.025) translate(4px);box-shadow:4px 4px 0 var(--green)}to{transform:scale(1) translate(4px)}}@keyframes brutalist-shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-4px)}40%,80%{transform:translate(6px)}}.learning-plan-item.is-done,.review-item.is-done{animation:brutalist-strike-pop .35s cubic-bezier(.175,.885,.32,1.275)}@keyframes brutalist-strike-pop{0%{transform:scale(1) translate(0)}50%{transform:scale(.985) translate(3px)}to{transform:scale(1) translate(0)}}.mindmap-node details[open] .mindmap-children{animation:brutalist-fade-slide .32s cubic-bezier(.34,1.56,.64,1)}@keyframes brutalist-fade-slide{0%{opacity:0;transform:translateY(-8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@media (min-width: 721px) and (max-width: 960px){.leaderboard-entry,.leaderboard-page-hero,.leaderboard-overview-head,.leaderboard-insight-grid,.subject-accent-panel,.subject-leaderboard,.system-gateway{grid-template-columns:1fr}.leaderboard-overview-grid,.system-gateway-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.leaderboard-overview-grid article:last-child:nth-child(odd),.system-gateway-grid article:last-child:nth-child(odd){grid-column:1 / -1}.leaderboard-row{grid-template-columns:auto minmax(0,1fr)}.leaderboard-score{grid-column:2;justify-items:start}.leaderboard-near-miss-grid{grid-template-columns:1fr}.system-topbar{grid-template-columns:minmax(0,1fr) repeat(3,minmax(104px,auto));align-items:start}}@media (max-width: 600px){.leaderboard-entry{grid-template-columns:1fr;padding:18px 16px}.leaderboard-entry-facts{grid-template-columns:1fr}.leaderboard-page-actions,.leaderboard-entry-actions{display:grid}.leaderboard-page-actions .primary-action,.leaderboard-page-actions .secondary-action,.leaderboard-entry-actions .primary-action,.leaderboard-entry-actions .secondary-action{width:100%}.leaderboard-insight-grid,.leaderboard-quick-facts,.leaderboard-overview-viewer-metrics,.leaderboard-empty-signals,.leaderboard-portfolio-metrics{grid-template-columns:1fr}.leaderboard-portfolio-item .secondary-action,.subject-leaderboard-empty .secondary-action{width:100%}.leaderboard-overview-card{min-height:auto;padding:16px}.leaderboard-overview-card-head{grid-template-columns:1fr}.leaderboard-overview-card-head .secondary-action{width:100%}.leaderboard-overview-grid{grid-template-columns:1fr}.leaderboard-subject-switch{gap:6px}.leaderboard-subject-switch button{min-height:34px;padding:0 10px}.leaderboard-guide-card{padding:14px 16px}.leaderboard-guide-card .secondary-action{width:100%}.leaderboard-range-switch{gap:6px}.leaderboard-range-switch button{min-height:34px;padding:0 10px}.leaderboard-row,.subject-leaderboard-empty{grid-template-columns:1fr}.leaderboard-rank,.leaderboard-score{justify-items:start}.leaderboard-near-miss-grid{grid-template-columns:1fr}.subject-rail-footer{align-items:flex-start}.subject-rail-hint{width:100%;text-align:left}.system-topbar{grid-template-columns:1fr}.system-status,.system-close{justify-self:start}.quiz-sidebar{max-height:none}.quiz-main{padding:16px}.login-dialog{padding:22px 18px;box-shadow:0 16px 44px #11182738}}.leaderboard-overview-grid{grid-template-columns:repeat(auto-fit,minmax(min(360px,100%),1fr))!important;gap:24px!important;align-items:start}.leaderboard-overview-card{display:flex!important;flex-direction:column!important;gap:20px!important;min-height:auto!important;height:max-content;padding:24px 22px!important;border:2px solid var(--ink)!important;background:var(--paper, #faf8f2)!important;box-shadow:4px 4px 0 var(--ink)!important;border-radius:8px!important;transition:transform .2s cubic-bezier(.34,1.56,.64,1),box-shadow .2s cubic-bezier(.34,1.56,.64,1)!important}.leaderboard-overview-card:hover{transform:translate(-2px,-2px)!important;box-shadow:6px 6px 0 var(--ink)!important}.leaderboard-overview-card.is-personalized{border-color:var(--accent, #b6532c)!important;box-shadow:4px 4px 0 var(--accent, #b6532c)!important}.leaderboard-overview-card.is-personalized:hover{box-shadow:6px 6px 0 var(--accent, #b6532c)!important}.subject-leaderboard-viewer.is-in-card{margin:8px 0;padding:16px;background:linear-gradient(135deg,#fef0ded9,#fdf4d7d9);border:2px solid var(--accent, #b6532c);border-radius:6px;box-shadow:2px 2px 0 var(--accent, #b6532c)}.subject-leaderboard-viewer.is-in-card .viewer-meta-row{display:flex;align-items:center;gap:10px;margin-bottom:8px}.subject-leaderboard-viewer.is-in-card .viewer-meta-row span{font-size:.72rem;font-weight:900;color:var(--accent-dark, #873614);background:#b6532c1f;padding:2px 6px;border-radius:4px}.subject-leaderboard-viewer.is-in-card .viewer-meta-row strong{font-size:1.2rem;color:var(--ink)}.subject-leaderboard-viewer.is-in-card .viewer-meta-row em{font-size:.76rem;font-style:normal;font-weight:800;padding:2px 6px;border-radius:3px}.subject-leaderboard-viewer.is-in-card .viewer-metrics-mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 12px;margin-top:10px;padding-top:10px;border-top:1px dashed rgba(182,83,44,.25);font-size:.78rem;color:var(--ink-light, #444)}.subject-leaderboard-viewer.is-in-card .viewer-metrics-mini-grid span strong{font-size:.9rem;color:var(--accent, #b6532c);font-weight:900}.subject-leaderboard-viewer.is-in-card .leaderboard-viewer-hint,.subject-leaderboard-viewer.is-in-card .leaderboard-next-goal{margin:10px 0 0;font-size:.76rem;line-height:1.4}.subject-leaderboard-viewer.is-in-card .leaderboard-viewer-hint{color:var(--muted)}.subject-leaderboard-viewer.is-in-card .leaderboard-next-goal{color:var(--accent-dark, #873614);font-weight:750;padding:4px 6px;background:#ffffff80;border-radius:4px}.leaderboard-rows-container{display:flex;flex-direction:column;gap:8px}.leaderboard-rows-container .leaderboard-row{margin:0!important;border:1px solid rgba(20,20,20,.1)!important;background:#fff!important;padding:10px 12px!important;border-radius:6px!important;transition:transform .15s ease,border-color .15s ease!important}.leaderboard-rows-container .leaderboard-row:hover{transform:translate(2px)!important;border-color:var(--ink)!important}.leaderboard-rows-container .leaderboard-row.is-rank-1{border-color:gold!important;background:linear-gradient(135deg,#fffdf2,#fffbdf)!important;box-shadow:0 4px 12px #ffd70014!important}.leaderboard-rows-container .leaderboard-row.is-rank-2{border-color:silver!important;background:linear-gradient(135deg,#fcfcfc,#f3f3f3)!important}.leaderboard-rows-container .leaderboard-row.is-rank-3{border-color:#cd7f32!important;background:linear-gradient(135deg,#fffaf6,#fbf3ec)!important}.leaderboard-rows-container .leaderboard-row.is-viewer{border:2px solid var(--accent, #b6532c)!important;box-shadow:inset 3px 0 0 var(--accent, #b6532c)!important}.leaderboard-rows-container .leaderboard-rank{flex-shrink:0;width:32px!important;text-align:center;margin-right:8px}.leaderboard-rows-container .leaderboard-rank span{font-size:1.1rem}.leaderboard-rows-container .leaderboard-rank strong{font-size:1.1rem;color:var(--ink)}.leaderboard-rows-container .leaderboard-main{flex-grow:1}.leaderboard-rows-container .leaderboard-main .leaderboard-head{display:flex;align-items:center;gap:6px}.leaderboard-rows-container .leaderboard-main .leaderboard-head strong{font-size:.92rem;color:var(--ink)}.leaderboard-rows-container .leaderboard-main .leaderboard-head span{font-size:.65rem;padding:1px 4px;background:#f0eae0;color:var(--muted);border-radius:3px}.leaderboard-rows-container .leaderboard-main .leaderboard-metrics{display:flex;flex-wrap:wrap;gap:4px 8px;margin-top:4px;font-size:.72rem;color:var(--muted)}.leaderboard-rows-container .leaderboard-main .leaderboard-metrics span{white-space:nowrap}.leaderboard-rows-container .leaderboard-main .leaderboard-gap-hint{margin:4px 0 0;font-size:.7rem;color:var(--accent-dark, #873614)}.leaderboard-rows-container .leaderboard-score{text-align:right;flex-shrink:0}.leaderboard-rows-container .leaderboard-score span{font-size:.65rem;color:var(--muted);display:block}.leaderboard-rows-container .leaderboard-score strong{font-size:1.1rem;color:var(--ink)}@media (max-width: 600px){.leaderboard-rows-container .leaderboard-row{grid-template-columns:auto minmax(0,1fr) auto;gap:10px;align-items:center;padding:10px!important}.leaderboard-rows-container .leaderboard-rank{width:26px!important;margin-right:0;justify-items:center}.leaderboard-rows-container .leaderboard-rank span,.leaderboard-rows-container .leaderboard-rank strong{font-size:.98rem}.leaderboard-rows-container .leaderboard-score{justify-items:end;text-align:right}.leaderboard-rows-container .leaderboard-score strong{font-size:1rem}.leaderboard-rows-container .leaderboard-main .leaderboard-head{flex-wrap:wrap;gap:4px 6px}.leaderboard-rows-container .leaderboard-main .leaderboard-head strong{font-size:.86rem;min-width:0;overflow-wrap:anywhere}.leaderboard-rows-container .leaderboard-main .leaderboard-metrics{gap:2px 8px;font-size:.68rem}.leaderboard-rows-container .leaderboard-main .leaderboard-metrics span{white-space:normal}}.leaderboard-near-miss-card-footer{margin-top:14px;padding-top:14px;border-top:1px dashed rgba(20,20,20,.15)}.leaderboard-near-miss-card-footer .eyebrow{margin-bottom:8px;font-size:.76rem;font-weight:900;color:var(--muted)}.leaderboard-near-miss-card-footer .leaderboard-near-miss-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:8px}.leaderboard-near-miss-card-footer .leaderboard-near-miss-grid article{border:1px solid rgba(20,20,20,.06);background:#ffffff80;padding:8px;border-radius:5px}.near-miss-head{display:flex;align-items:center;justify-content:space-between;gap:4px}.near-miss-head strong{font-size:.82rem;color:var(--ink)}.near-miss-head span{font-size:.68rem;font-weight:700}.leaderboard-near-miss-card-footer .leaderboard-near-miss-grid article em{font-size:.7rem;color:var(--muted);font-style:normal;display:block;margin-top:2px}.leaderboard-near-miss-card-footer .leaderboard-near-miss-grid article p{margin:4px 0 0;font-size:.7rem;color:var(--accent-dark, #873614)}.leaderboard-daily-quote{position:relative;display:flex!important;flex-direction:column!important;gap:16px!important;padding:24px 26px!important;border:2px solid var(--ink)!important;background:#fff!important;box-shadow:4px 4px 0 var(--ink)!important;border-radius:8px!important}.leaderboard-daily-quote-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px dashed rgba(20,20,20,.12)!important;padding-bottom:12px;margin-bottom:4px}.leaderboard-daily-quote-head span{color:var(--accent, #b6532c)!important;font-size:.76rem!important;font-weight:900;letter-spacing:.1em}.leaderboard-daily-quote-head em{border:1px solid var(--ink)!important;background:var(--paper, #faf8f2)!important;color:var(--ink)!important;font-size:.72rem!important;border-radius:4px;min-height:auto!important;padding:4px 8px!important;margin-left:auto}.daily-quote-shuffle{margin-left:8px;padding:4px 10px;border:1px solid var(--ink);border-radius:4px;background:#fff;color:var(--ink);font-family:inherit;font-size:.72rem;font-weight:800;line-height:1.4;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,background .16s ease}.daily-quote-shuffle:hover{background:var(--paper, #faf8f2);box-shadow:2px 2px 0 var(--ink);transform:translate(-1px,-1px)}.daily-quote-shuffle:active{box-shadow:none;transform:translate(0)}.daily-quote-shuffle:focus-visible{outline:2px solid var(--accent, #b6532c);outline-offset:2px}@media (prefers-reduced-motion: reduce){.daily-quote-shuffle{transition:none}.daily-quote-shuffle:hover{transform:none}}.leaderboard-daily-quote strong{font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif!important;font-size:1.45rem!important;font-weight:800;line-height:1.42!important;color:var(--ink)!important;margin:4px 0!important;position:relative;max-width:100%!important}.leaderboard-daily-quote strong:after{content:"”";position:absolute;bottom:-20px;right:0;font-size:3rem;line-height:1;color:#1414140d;font-family:Georgia,serif}.daily-insight-alert{display:flex;gap:12px;align-items:start;padding:14px 16px;background:linear-gradient(135deg,#b6532c0a,#f0e6d21f);border:1px dashed rgba(182,83,44,.22);border-radius:6px;margin:6px 0}.insight-alert-icon{font-size:1.2rem;line-height:1.2}.insight-alert-content{display:flex;flex-direction:column;gap:4px}.insight-alert-content strong{font-family:inherit!important;font-size:.88rem!important;font-weight:800!important;color:var(--ink)!important;margin:0!important}.insight-alert-content p{font-size:.8rem!important;color:var(--muted)!important;line-height:1.5!important;margin:0!important;text-transform:none!important;font-weight:400!important}.leaderboard-daily-quote-focus{display:flex!important;align-items:center!important;gap:8px!important;padding-top:14px!important;border-top:1px dashed rgba(20,20,20,.12)!important;margin-top:4px}.leaderboard-daily-quote-focus i{flex-shrink:0;width:8px!important;height:8px!important;background:var(--accent, #b6532c)!important;box-shadow:2px 2px 0 var(--ink)!important;border-radius:0!important;transform:rotate(45deg)}.leaderboard-daily-quote-focus span{font-size:.82rem!important;font-weight:800!important;color:var(--accent-dark, #873614)!important;line-height:1.2!important}@media (max-width: 600px){.leaderboard-daily-quote{gap:12px!important;padding:18px 16px!important}.leaderboard-daily-quote-head{flex-wrap:wrap;gap:8px;padding-bottom:10px}.leaderboard-daily-quote-head span{flex:1 0 100%}.leaderboard-daily-quote-head em{margin-left:0}.daily-quote-shuffle{margin-left:auto;min-height:44px;padding:0 16px;font-size:.76rem}.leaderboard-daily-quote strong{font-size:clamp(1.06rem,4.6vw,1.45rem)!important;line-height:1.5!important}.daily-insight-alert{gap:10px;padding:12px}.leaderboard-daily-quote-focus{align-items:flex-start!important;padding-top:12px!important}.leaderboard-daily-quote-focus i{margin-top:5px}.leaderboard-daily-quote-focus span{line-height:1.45!important}}.markdown-sidebar{transition:all .4s cubic-bezier(.25,.8,.25,1)}.markdown-body{transition:grid-template-columns .4s cubic-bezier(.25,.8,.25,1)}.markdown-panel.is-focus-mode .markdown-body{grid-template-columns:0px minmax(0,1fr)!important}.markdown-panel.is-focus-mode .markdown-sidebar{padding:0!important;width:0!important;min-width:0!important;opacity:0!important;pointer-events:none!important;overflow:hidden!important;border-right:0px solid transparent!important}.outline-item-row{transition:all .15s ease!important}.outline-item-row:hover{color:var(--accent, #b6532c)!important;transform:translate(4px)}.markdown-main.theme-warm{background-color:#f4efe6!important;color:#3e2723!important}.markdown-main.theme-warm .markdown-reader{background-color:#fdfbf7!important;color:#3e2723!important;border-color:#141414!important;box-shadow:12px 12px #141414!important}.markdown-main.theme-warm .markdown-reader p{color:#3e2723!important}.markdown-main.theme-light{background-color:#f9f9fb!important;color:#141414!important}.markdown-main.theme-light .markdown-reader{background-color:#fff!important;color:#141414!important;border-color:#141414!important;box-shadow:12px 12px #141414!important}.markdown-main.theme-light .markdown-reader p{color:#141414!important}.markdown-main.theme-dark{background-color:#18181a!important;color:#e4e4e7!important}.markdown-main.theme-dark .markdown-reader{background-color:#242427!important;color:#e4e4e7!important;border-color:#e4e4e7!important;box-shadow:12px 12px #e4e4e7!important}.markdown-main.theme-dark .markdown-reader p{color:#d4d4d8!important}.markdown-main.theme-dark .markdown-reader blockquote{background:#ffffff0d!important;color:#a1a1aa!important}.markdown-main.theme-dark .markdown-reader code{background:#ffffff1a!important;color:#f4f4f5!important}.quiz-main{perspective:1000px}.quiz-card{transform-style:preserve-3d;backface-visibility:hidden}@keyframes correctPulse{0%{box-shadow:0 0 #2ecc7166,12px 12px 0 var(--ink)}50%{box-shadow:0 0 25px 12px #2ecc71d9,12px 12px 0 var(--ink)}to{box-shadow:0 0 #2ecc7100,12px 12px 0 var(--ink)}}.quiz-card.is-correct-pulse{animation:correctPulse .6s cubic-bezier(.25,.8,.25,1) forwards}.quiz-card-next-enter-active{transition:all .45s cubic-bezier(.175,.885,.32,1.15)}.quiz-card-next-leave-active{transition:all .3s cubic-bezier(.6,-.28,.735,.045)}.quiz-card-next-enter-from{opacity:0;transform:translate(120px) rotateY(15deg) rotate(5deg) scale(.95)}.quiz-card-next-leave-to{opacity:0;transform:translate(-120px) rotateY(-15deg) rotate(-5deg) scale(.95)}.quiz-card-prev-enter-active{transition:all .45s cubic-bezier(.175,.885,.32,1.15)}.quiz-card-prev-leave-active{transition:all .3s cubic-bezier(.6,-.28,.735,.045)}.quiz-card-prev-enter-from{opacity:0;transform:translate(-120px) rotateY(-15deg) rotate(-5deg) scale(.95)}.quiz-card-prev-leave-to{opacity:0;transform:translate(120px) rotateY(15deg) rotate(5deg) scale(.95)}.exam-result-card{position:relative;overflow:hidden;padding:45px 30px;text-align:center;border:4px solid var(--ink)!important;box-shadow:16px 16px 0 var(--ink)!important;background:#faf8f5!important}.result-badge-container{margin-bottom:12px}.result-title{margin:0 0 15px;color:var(--ink);font-size:20px;font-weight:900;letter-spacing:1px;text-transform:uppercase}.result-score-main{display:inline-flex;align-items:baseline;margin-bottom:28px;padding:10px 30px;border:3px solid var(--ink);background:var(--gold);color:var(--ink);box-shadow:6px 6px 0 var(--ink);transform:rotate(-2deg);font-family:Impact,Arial Black,sans-serif;font-size:64px;font-weight:900;line-height:1}.result-score-unit{margin-left:4px;font-family:inherit;font-size:24px}.result-meta-line{margin-bottom:28px;color:var(--muted);font-size:15px;font-weight:800}.result-stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:440px;margin:0 auto 36px}.stat-box-brutalist{padding:16px 8px;border:3px solid var(--ink);box-shadow:4px 4px 0 var(--ink)}.stat-box-brutalist.is-correct{background:#8de894;transform:rotate(1deg)}.stat-box-brutalist.is-wrong{background:#ff8c8c;transform:rotate(-1deg)}.stat-box-brutalist.is-blank{background:#e2dfd2;transform:rotate(2deg)}.stat-box-brutalist strong{display:block;color:var(--ink);font-family:Arial Black,sans-serif;font-size:32px;font-weight:900}.stat-box-brutalist span{display:block;margin-top:2px;color:var(--ink);font-size:13px;font-weight:800;text-transform:uppercase}.result-actions{justify-content:center;gap:16px}.brutalist-badge{display:inline-block;padding:6px 16px;font-size:14px;font-weight:900;text-transform:uppercase;border:2px solid var(--ink);border-radius:4px;box-shadow:3px 3px 0 var(--ink)}.brutalist-badge.badge-gold{background:gold!important;color:#000!important}.brutalist-badge.badge-silver{background:#eaeaea!important;color:#000!important}.brutalist-badge.badge-bronze{background:#cd7f32!important;color:#fff!important}.result-star{position:absolute;font-size:28px;-webkit-user-select:none;user-select:none;animation:starRotate 8s linear infinite}.result-star.star-1{top:20px;left:30px;animation-duration:6s}.result-star.star-2{top:50px;right:40px;animation-duration:9s}.result-star.star-3{bottom:40px;left:50px;animation-duration:7s}.result-star.star-4{bottom:80px;right:30px;animation-duration:10s}@keyframes starRotate{0%{transform:rotate(0) scale(1)}50%{transform:rotate(180deg) scale(1.15)}to{transform:rotate(360deg) scale(1)}}.health-panel-item{transition:all .3s cubic-bezier(.25,.8,.25,1)}.health-panel-item:hover{transform:translateY(-4px) rotate(-1deg);box-shadow:6px 6px #000!important}.health-alarm-dot{display:inline-block;width:10px;height:10px;background-color:#ff3b30;border-radius:50%;box-shadow:0 0 #ff3b30b3;animation:pulseRed 1.5s infinite}@keyframes pulseRed{0%{transform:scale(.95);box-shadow:0 0 #ff3b30b3}70%{transform:scale(1);box-shadow:0 0 0 8px #ff3b3000}to{transform:scale(.95);box-shadow:0 0 #ff3b3000}}.alarm-emoji{display:inline-block;animation:alarmWiggle .6s infinite alternate ease-in-out}@keyframes alarmWiggle{0%{transform:rotate(-10deg) scale(1)}to{transform:rotate(10deg) scale(1.2)}}.n-card{border:2px solid #000!important;box-shadow:6px 6px #000!important;border-radius:0!important;background-color:#fff!important;transition:all .2s ease!important}.n-button:not(.n-button--text-type):not(.n-button--disabled){border:2px solid #000!important;box-shadow:3px 3px #000!important;border-radius:0!important;font-weight:800!important;transition:transform .1s ease,box-shadow .1s ease!important}.n-button:not(.n-button--text-type):not(.n-button--disabled):hover{transform:translate(-1px,-1px)!important;box-shadow:4px 4px #000!important}.n-button:not(.n-button--text-type):not(.n-button--disabled):active{transform:translate(2px,2px)!important;box-shadow:1px 1px #000!important}.n-input{border:2px solid #000!important;border-radius:0!important;box-shadow:3px 3px #00000026!important;transition:all .2s ease!important}.n-input:focus,.n-input--focus{background-color:#ffffe0!important;box-shadow:4px 4px #000!important}.n-data-table{border:2px solid #000!important;box-shadow:6px 6px #000!important}.n-data-table-th{background:repeating-linear-gradient(45deg,#f3f3f3,#f3f3f3 10px,#e7e7e7 10px,#e7e7e7 20px)!important;font-weight:900!important;color:#000!important;border-bottom:2px solid #000!important}.n-data-table-td{border-bottom:1.5px solid #000!important}.code-runner-block{display:grid;gap:14px;margin-top:18px}.code-runner-toolbar{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:12px}.code-language-select{min-width:180px}.code-runner-hint{color:var(--muted);font-size:.9rem;font-weight:700}.code-editor-panel{width:100%;min-height:340px;resize:vertical;border:2px solid var(--ink);padding:16px;background:#101418;color:#e8f0f2;font-family:Cascadia Code,JetBrains Mono,Consolas,monospace;font-size:.95rem;line-height:1.65;box-shadow:6px 6px #14141438;outline:none}.code-editor-panel:focus{border-color:var(--blue);box-shadow:0 0 0 4px #254f8224,6px 6px #14141438}.code-result-panel{display:grid;gap:8px;padding:14px 16px;border:2px solid rgba(20,20,20,.4);background:#ffffffd1;color:var(--muted)}.code-result-panel strong{color:var(--ink)}.code-result-panel.is-correct{border-color:#16a34a59;background:#16a34a1a}.code-result-panel.is-wrong{border-color:#dc262659;background:#dc262614}.code-result-panel ul{margin:0;padding-left:18px}.reference-solutions-panel{border:2px solid var(--ink);background:#ffffffd1;box-shadow:4px 4px #14141433;padding:14px 16px}.reference-solutions-panel summary{cursor:pointer;font-weight:900;color:var(--ink)}.reference-solution-list{display:grid;gap:14px;margin-top:14px}.reference-solution-card{display:grid;gap:10px;border:1px solid rgba(20,20,20,.14);background:#111827;color:#f8fafc;padding:12px}.reference-solution-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.reference-solution-head strong,.reference-solution-head span{color:#f8fafc}.reference-solution-card pre{margin:0;overflow:auto;white-space:pre;font-size:.88rem;line-height:1.65}.coding-question-view{display:grid;gap:14px;margin:8px 0 22px}.coding-question-title{margin-bottom:0!important;font-size:clamp(1.5rem,2.4vw,2.35rem)!important;line-height:1.25!important}.coding-question-body{white-space:pre-line;font-size:clamp(1rem,1.35vw,1.18rem);line-height:1.9;color:var(--ink);padding:18px 20px;border:1.5px solid rgba(20,20,20,.35);background:#ffffffa3}.coding-question-meta{display:flex;flex-wrap:wrap;gap:8px}.coding-question-meta span{display:inline-flex;align-items:center;min-height:30px;padding:5px 10px;border:1px solid rgba(20,20,20,.16);border-radius:999px;background:#09747414;color:var(--green);font-size:.82rem;font-weight:900}.exam-timer{display:grid;gap:4px;padding:14px 16px;border:2px solid var(--ink);background:var(--surface-strong);box-shadow:4px 4px 0 var(--ink)}.exam-timer span{color:var(--muted);font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.exam-timer strong{font-family:Georgia,Times New Roman,serif;font-size:1.7rem;line-height:1;font-variant-numeric:tabular-nums}.exam-timer.is-finished{border-color:var(--green);background:#0f6b5f1a}.exam-timer.is-finished strong{color:var(--green)}.exam-timer.is-urgent{border-color:#b64040;background:#b6404014;animation:examTimerPulse 1s ease-in-out infinite}.exam-timer.is-urgent strong{color:#b64040}@keyframes examTimerPulse{0%,to{box-shadow:4px 4px 0 var(--ink)}50%{box-shadow:4px 4px #b64040,0 0 0 4px #b6404029}}.exam-progress-bar{display:flex;align-items:center;gap:12px;margin-bottom:14px;padding:10px 16px;border:1px solid var(--ink);background:#ffffffb3}.exam-progress-label{min-width:60px;color:var(--muted);font-size:.82rem;font-weight:800;font-variant-numeric:tabular-nums}.exam-progress-label.is-answered{min-width:80px;text-align:right}.exam-progress-track{flex:1;height:6px;overflow:hidden;background:#1414141f}.exam-progress-fill{height:100%;background:var(--accent);transition:width 1s linear}.exam-progress-fill.is-urgent{background:#b64040}.exam-submit-button{color:#b64040;border-color:#b64040}.exam-submit-button:hover{background:#b64040;border-color:#b64040;color:#fff}.quiz-notice{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px;padding:12px 16px;border:2px solid var(--ink);background:#d89b2829;box-shadow:4px 4px 0 var(--ink);font-weight:800}.quiz-notice button{flex:0 0 auto;width:38px;height:38px;border:1px solid var(--ink);background:transparent;cursor:pointer;font-size:1rem;font-weight:900;line-height:1;transition:background .14s ease,color .14s ease}.quiz-notice button:hover{background:var(--ink);color:#fff}.quiz-shortcut-hint{margin:-6px 0 0;color:var(--muted);font-size:.76rem;font-weight:700;letter-spacing:.04em}@media (hover: none),(max-width: 900px){.quiz-shortcut-hint{display:none}}.quiz-confirm-layer{position:absolute;top:0;right:0;bottom:0;left:0;z-index:8;display:grid;place-items:center;padding:24px;background:#1414146b;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.quiz-confirm-dialog{width:min(420px,100%);display:grid;gap:10px;padding:26px 28px;border:2px solid var(--ink);background:var(--surface-strong);box-shadow:10px 10px 0 var(--ink)}.quiz-confirm-dialog h4{margin:0;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:1.55rem}.quiz-confirm-dialog .muted{margin:0}.quiz-confirm-dialog .quiz-actions{margin-top:12px}.quiz-skeleton{min-height:380px}.quiz-actions.is-start{justify-content:flex-start}.secondary-action.is-saved{border-color:var(--green);background:#0f6b5f1f;color:var(--green)}.quiz-mode-tabs button:active:not(:disabled){transform:translate(1px,1px)}@media (max-width: 720px){.site-header{padding-top:max(12px,env(safe-area-inset-top));padding-right:max(16px,env(safe-area-inset-right));padding-left:max(16px,env(safe-area-inset-left))}.subject-rail-section{padding:12px 0 4px}.subject-rail-container{width:100%}.subject-list{padding-inline:16px;scroll-padding-inline:16px}.hero-surface{gap:18px;padding:28px 0 20px}.hero-title{max-width:8ch;font-size:3rem;line-height:1}.hero-summary{line-height:1.72}.hero-actions{gap:10px}.hero-actions .primary-action,.hero-actions .secondary-action{min-height:46px;padding-inline:14px}.hero-visual{min-height:240px;max-height:280px;overflow:hidden}.portal-card{width:min(310px,calc(100% - 24px));padding:20px;box-shadow:7px 7px 0 var(--ink)}.learning-system{padding-top:env(safe-area-inset-top);padding-right:env(safe-area-inset-right);padding-left:env(safe-area-inset-left)}.learning-system .learning-nav{position:relative;z-index:5;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;padding:10px 12px;background:#fffdf8f7}.learning-system .learning-brand{min-width:0;padding:0;border:0}.learning-system .learning-brand>span{width:38px;height:38px}.learning-system .learning-brand>div{min-width:0}.learning-system .learning-brand strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.learning-system .subject-switcher select{max-width:168px;min-height:32px}.learning-system .learning-account{display:block;margin:0;padding:0;border:0}.learning-system .learning-account-meta,.learning-system .account-admin-button{display:none}.learning-system .learning-account-actions{display:flex;gap:4px}.learning-system .learning-account button{min-width:42px;min-height:42px;padding:0 6px;border:1px solid rgba(20,20,20,.16);background:#fff;text-align:center}.learning-system .learning-nav-menu{position:fixed;inset:auto 0 0;z-index:70;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px;padding:6px max(8px,env(safe-area-inset-right)) calc(6px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));border-top:1px solid rgba(20,20,20,.16);background:#fffdf8fa;box-shadow:0 -8px 24px #1414141a;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.learning-system .learning-nav-item{width:100%;min-height:48px;padding:0 6px;text-align:center;scroll-snap-align:none}.learning-system .learning-nav-item:hover,.learning-system .learning-nav-item.is-active{transform:none}.learning-system .learning-workspace{padding-bottom:calc(68px + env(safe-area-inset-bottom));overscroll-behavior:contain}.learning-system .learning-topbar{position:sticky;top:0;z-index:4;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px;padding:9px 12px;background:#f5f6f0f5}.learning-system .learning-topbar .eyebrow,.learning-system .learning-topbar h2{display:none}.learning-system .learning-topbar .muted{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.82rem;font-weight:800}.learning-system .learning-topbar-actions{width:auto;gap:6px}.learning-system .learning-topbar-actions .secondary-action,.learning-system .learning-topbar-actions .system-close{min-width:44px;min-height:44px}.learning-system .learning-dashboard,.learning-system .learning-plan,.learning-system .learning-library,.learning-system .learning-review{padding:14px}.learning-system .learning-hero-card{padding:16px;box-shadow:5px 5px 0 var(--ink)}.learning-system .learning-hero-card h3{font-size:1.55rem;line-height:1.16}.learning-system .learning-focus-list{grid-template-columns:1fr}.learning-system .learning-focus-list button{min-height:54px}.learning-system .learning-tool-head{grid-template-columns:minmax(0,1fr) 104px;gap:10px}.learning-system .learning-tool-head h3{font-size:1.55rem}.learning-system .learning-progress-card{padding:12px;box-shadow:4px 4px 0 var(--ink)}.learning-system .learning-progress-card strong{font-size:2rem}.learning-system .learning-plan-item,.learning-system .review-item{gap:12px;padding:14px}.learning-system .review-form{grid-template-columns:1fr;align-items:stretch;padding:14px}.learning-system .review-form .primary-action{width:100%}.learning-system .review-undo{bottom:calc(62px + env(safe-area-inset-bottom))}.login-layer{padding:12px}.login-dialog{max-height:calc(100svh - 24px);padding:22px 18px;overscroll-behavior:contain}}@media (max-width: 380px){.site-header{gap:10px}.brand-seal{width:36px;height:36px}.header-action{min-height:42px;padding-inline:12px}.hero-title{font-size:2.7rem}.learning-system .subject-switcher select{max-width:142px}.learning-system .learning-account button{min-width:38px;width:38px;padding:0}.learning-system .learning-tool-head{grid-template-columns:1fr}.learning-system .learning-progress-card{grid-template-columns:auto auto 1fr;align-items:center;gap:8px}.learning-system .learning-progress-card strong{margin:0}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.header-action:active,.primary-action:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink);transition:transform 70ms cubic-bezier(.3,.7,.4,1),box-shadow 70ms cubic-bezier(.3,.7,.4,1)}.secondary-action:active{transform:translate(1px,1px);transition:transform 70ms cubic-bezier(.3,.7,.4,1)}.subject-pill:active{transform:translate(1px,1px);box-shadow:2px 2px 0 var(--line);transition:transform 70ms cubic-bezier(.3,.7,.4,1),box-shadow 70ms cubic-bezier(.3,.7,.4,1)}.subject-pill.is-active:active{box-shadow:3px 3px 0 var(--accent)}.leaderboard-overview-switch button:active,.inline-link:active{transform:translate(1px,1px);transition:transform 70ms cubic-bezier(.3,.7,.4,1)}.hero-char{display:inline-block;transform-origin:50% 78%;will-change:transform}.hero-visual{perspective:1100px}.portal-tilt{transform-style:preserve-3d;will-change:transform}.overview-band .metric strong{display:inline-block;font-variant-numeric:tabular-nums;transform-origin:left bottom}.path-list{position:relative;--path-line-scale: 0}.path-list:before{content:"";position:absolute;left:21px;top:12px;bottom:12px;width:3px;background:var(--ink);transform:scaleY(var(--path-line-scale));transform-origin:top center;pointer-events:none}.path-marker{position:relative;z-index:1;transition:transform .34s cubic-bezier(.34,1.56,.64,1),box-shadow .34s cubic-bezier(.34,1.56,.64,1)}.path-item:hover .path-marker{transform:rotate(90deg);box-shadow:8px 8px 0 var(--accent)}@media (prefers-reduced-motion: reduce){.path-list{--path-line-scale: 1}}.system-gateway-grid span{width:fit-content;padding:2px 10px;margin-left:-10px;transition:background .15s steps(2,end),color .15s steps(2,end)}.system-gateway-grid .spotlight-card:hover span{background:var(--accent);color:#fff}.scroll-progress{position:fixed;top:0;left:0;right:0;height:7px;z-index:30;pointer-events:none}.scroll-progress__fill{height:100%;transform:scaleX(0);transform-origin:left center;background:repeating-linear-gradient(135deg,transparent 0 7px,rgba(20,20,20,.28) 7px 14px),var(--accent);border-right:2px solid var(--ink);box-shadow:0 1px #14141459}body.is-overlay-open .scroll-progress{opacity:0}.site-header{transition:box-shadow .26s cubic-bezier(.22,1,.36,1),padding .26s cubic-bezier(.22,1,.36,1),min-height .26s cubic-bezier(.22,1,.36,1)}.site-header.is-condensed{min-height:56px;padding-block:6px;box-shadow:0 4px 0 var(--ink)}.app-content-layer:after{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:6;pointer-events:none;background:radial-gradient(ellipse at center,transparent 60%,rgba(20,20,20,.06) 100%)}.subject-pill-empty.is-shaking{animation:brutalist-shake .45s ease-in-out}.site-footer{position:relative;margin-top:clamp(72px,10vw,128px);background:var(--ink);color:var(--canvas);border-top:3px solid var(--accent);overflow:hidden}.site-footer__inner{position:relative;z-index:1;width:min(1180px,calc(100% - 40px));margin:0 auto;padding:clamp(40px,6vw,64px) 0 30px;display:grid;grid-template-columns:minmax(0,1.3fr) repeat(2,minmax(0,1fr));gap:clamp(24px,4vw,48px)}.site-footer__brand{display:grid;gap:14px;align-content:start;justify-items:start}.site-footer__brand .brand-seal{width:46px;height:46px;border-color:#f5f6f066}.site-footer__brand strong{font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:1.6rem}.site-footer__brand p{margin:0;max-width:30rem;color:#f5f6f0b8;line-height:1.8}.site-footer__col{display:grid;gap:10px;align-content:start;justify-items:start}.site-footer__col>span{font-size:.74rem;font-weight:900;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:4px}.site-footer__link{display:inline-flex;align-items:center;min-height:40px;border:0;padding:0;background:transparent;color:#f5f6f0d1;font-weight:700;cursor:pointer;position:relative;transition:color .14s ease,transform .14s ease}.site-footer__link:after{content:"→";display:inline-block;margin-left:8px;opacity:0;transform:translate(-6px);transition:opacity .18s ease,transform .18s cubic-bezier(.22,1,.36,1)}.site-footer__link:hover{color:#fff;transform:translate(2px)}.site-footer__link:hover:after{opacity:1;transform:translate(0)}.site-footer__legal{position:relative;z-index:1;width:min(1180px,calc(100% - 40px));margin:26px auto 0;padding-bottom:22px;color:#f5f6f073;font-size:.82rem}.site-footer__watermark{position:absolute;right:-.04em;bottom:.28em;z-index:0;font-family:"Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:clamp(120px,19vw,236px);font-weight:900;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(245,246,240,.16);pointer-events:none;-webkit-user-select:none;user-select:none}.footer-marquee{position:relative;z-index:1;border-top:1px solid rgba(245,246,240,.18);padding:13px 0;overflow:hidden;white-space:nowrap}.footer-marquee__track{display:inline-flex;animation:footer-marquee 26s linear infinite;will-change:transform}.footer-marquee__track>span{padding-right:48px;font-weight:800;letter-spacing:.22em;text-transform:uppercase;font-size:.82rem;color:#f5f6f099}.footer-marquee:hover .footer-marquee__track{animation-play-state:paused}@keyframes footer-marquee{to{transform:translate(-50%)}}@media (prefers-reduced-motion: reduce){.footer-marquee__track{animation:none}}@media (max-width: 860px){.site-footer__inner{grid-template-columns:1fr}.site-footer__watermark{font-size:clamp(96px,26vw,160px)}}@media (max-width: 720px){.subject-accent-panel,.system-gateway{grid-template-columns:1fr}.subject-accent-panel{box-shadow:8px 8px 0 var(--ink)}.portal-card-top strong{font-size:3.2rem}.portal-lines{margin:14px 0}.system-topbar{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px 12px}.system-topbar>div:first-child{grid-column:1 / -1;padding-right:52px}.system-topbar .system-status{justify-self:stretch;min-width:0;padding:8px 10px}.system-topbar .system-close{position:absolute;top:12px;right:12px;width:44px;height:44px}.quiz-nav{grid-template-columns:repeat(6,minmax(0,1fr));max-height:192px;overflow-y:auto}.quiz-card-head{flex-direction:column;align-items:flex-start;gap:8px}.quiz-card-badges{justify-content:flex-start}.exam-progress-bar{padding:8px 10px;gap:8px}.exam-progress-label,.exam-progress-label.is-answered{min-width:0;font-size:.74rem}.learning-system .learning-nav-menu{grid-template-columns:repeat(5,minmax(0,1fr))}.learning-system .learning-path{padding:14px}.learning-heat-cell,.learning-range-switch button{min-height:40px}.learning-system .review-remove{min-height:40px;padding:8px 12px;justify-self:start;border:1px solid rgba(20,20,20,.16)}.markdown-head>div:last-child{flex-wrap:wrap;justify-content:flex-start;row-gap:8px}.markdown-head h3,.mindmap-head h3{font-size:1.5rem}.mindmap-children{margin-left:8px;padding-left:10px}.theme-slider-btn{width:34px!important;height:30px!important}.markdown-panel .speak-btn{width:32px!important;height:32px!important;font-size:14px!important}}@media (max-width: 600px){.leaderboard-page-hero{grid-template-columns:1fr}.leaderboard-overview-card{padding:16px 14px!important}.exam-result-card{padding:28px 16px;box-shadow:8px 8px 0 var(--ink)!important}.result-score-main{font-size:44px;padding:8px 18px}.result-score-unit{font-size:18px}.result-stats-grid{gap:10px}.stat-box-brutalist strong{font-size:24px}}@media (max-width: 480px){.plan-check{width:40px;height:40px}.quiz-sidebar .subject-switcher select{min-height:40px}}.reading-progress{height:4px;background:#1414141a;overflow:hidden}.reading-progress i{display:block;height:100%;width:0;background:var(--accent);transition:width .12s linear}.markdown-skeleton{min-height:400px}.focus-outline-dropdown{background:#fbfaf8;border:3px solid var(--ink);border-radius:8px;box-shadow:4px 4px 0 var(--ink);color:var(--ink)}.focus-outline-dropdown .outline-title{color:#888;border-bottom:1.5px solid var(--ink)}.markdown-reader table{display:block;overflow-x:auto;max-width:100%;border-collapse:collapse;margin:1em 0}.markdown-reader th,.markdown-reader td{border:1px solid rgba(20,20,20,.25);padding:6px 10px;text-align:left}.markdown-reader th{background:#1414140f;font-weight:800}.markdown-panel.theme-warm .markdown-head{background:#f4efe6}.markdown-panel.theme-warm .markdown-sidebar{background:#f9f5ec}.markdown-panel.theme-dark .markdown-head{background:#1c1c1f;border-bottom-color:#ffffff29}.markdown-panel.theme-dark .markdown-head h3,.markdown-panel.theme-dark .markdown-head .eyebrow{color:#f4f4f5}.markdown-panel.theme-dark .markdown-sidebar{background:#1c1c1f;border-right-color:#ffffff24;color:#d4d4d8}.markdown-panel.theme-dark .markdown-sidebar .learning-panel-title{border-bottom-color:#ffffff29}.markdown-panel.theme-dark .markdown-sidebar .learning-panel-title strong{color:#f4f4f5}.markdown-panel.theme-dark .select-field span{color:#a1a1aa}.markdown-panel.theme-dark .select-field select{background:#242427;border-color:#ffffff47;color:#f4f4f5}.markdown-panel.theme-dark .markdown-head .secondary-action,.markdown-panel.theme-dark .markdown-sidebar .secondary-action{background:#242427;border-color:#fff6;color:#f4f4f5}.markdown-panel.theme-dark .markdown-head .secondary-action:hover,.markdown-panel.theme-dark .markdown-sidebar .secondary-action:hover{background:#f4f4f5;color:#141414}.markdown-panel.theme-dark .mindmap-close{background:#242427;border-color:#fff6;color:#f4f4f5}.markdown-panel.theme-dark .theme-slider-container{background:#242427!important;border-color:#fff6!important;box-shadow:2px 2px #ffffff3d!important}.markdown-panel.theme-dark .focus-outline-dropdown{background:#1c1c1f;border-color:#fff6;box-shadow:4px 4px #ffffff3d;color:#e4e4e7}.markdown-panel.theme-dark .focus-outline-dropdown .outline-title{color:#a1a1aa;border-bottom-color:#ffffff3d}.markdown-panel.theme-dark .outline-item-row:hover{color:#c9922e!important}.markdown-panel.theme-dark .reading-progress{background:#ffffff1f}.markdown-panel.theme-dark .reading-progress i{background:#c9922e}.markdown-panel.theme-dark .empty-state{background:#ffffff0d;border-color:#fff3;color:#a1a1aa}.markdown-main.theme-dark .markdown-reader h1,.markdown-main.theme-dark .markdown-reader h2,.markdown-main.theme-dark .markdown-reader h3,.markdown-main.theme-dark .markdown-reader h4,.markdown-main.theme-dark .markdown-reader strong{color:#f4f4f5}.markdown-main.theme-dark .markdown-reader h2{border-bottom-color:#ffffff2e}.markdown-main.theme-dark .markdown-reader li{color:#d4d4d8}.markdown-main.theme-dark .markdown-reader th,.markdown-main.theme-dark .markdown-reader td{border-color:#ffffff38}.markdown-main.theme-dark .markdown-reader th{background:#ffffff14}.markdown-main.theme-dark .markdown-reader .example-sentence{color:#d4d4d8}.markdown-main.theme-dark .markdown-reader img.markdown-inline-image{border:1px solid rgba(255,255,255,.2);background:#fff}@media (max-width: 720px){.learning-rhythm-board{grid-auto-rows:auto}.learning-rhythm-column{grid-template-rows:auto}}@media (max-width: 600px){.review-due-banner{flex-direction:column;align-items:stretch;padding:16px}.review-due-banner .primary-action{width:100%;min-height:44px}.review-grade-actions{gap:8px}.review-grade{flex:1 1 0;min-width:0;min-height:44px;padding:10px 8px}.review-schedule{gap:6px}.review-schedule-tag{font-size:.7rem!important}}@media (max-width: 600px){.learning-today-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:20px}.learning-today-card{padding:13px}.learning-today-value{font-size:1.42rem}.learning-today-hint{font-size:.72rem}.learning-today-advice{flex-direction:column;align-items:stretch;padding:16px}.learning-today-advice .secondary-action{width:100%;min-height:44px}}