@import"https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=IBM+Plex+Mono:wght@500;600;700&family=Inter:wght@400;500;600;700;800&display=swap";@import"https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght,SOFT,WONK@9..144,400..700,0..100,0..1&family=Caveat:wght@600&family=IBM+Plex+Mono:wght@500;600;700&family=Inter:wght@400;500;600;700;800&display=swap";:root{--bg: #0b0e14;--bg2: #0f131d;--panel: #141926;--panel2: #1a2131;--border: rgba(255, 255, 255, .08);--text: #e8ecf4;--muted: #98a1b3;--accent: #7c5cff;--accent2: #ff5c8a;--green: #2ad4a8;--amber: #ffb020;--red: #ff5c5c;--blue: #35a7ff;--radius: 16px;font-size:16px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);background-image:radial-gradient(1200px 600px at 80% -10%,rgba(124,92,255,.14),transparent),radial-gradient(900px 500px at -10% 110%,rgba(255,92,138,.1),transparent);background-attachment:fixed;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased}.app{display:flex;height:100%}.sidebar{width:232px;flex-shrink:0;border-right:1px solid var(--border);background:#0d111acc;display:flex;flex-direction:column;padding:20px 14px;gap:24px}.logo{display:flex;align-items:center;gap:10px;padding:4px 8px}.logo-icon{font-size:26px}.logo-name{font-weight:800;font-size:17px;letter-spacing:-.2px}.logo-sub{font-size:11px;color:var(--muted);letter-spacing:1.2px;text-transform:uppercase}.subject-switch{display:inline-flex;align-items:center;align-self:flex-start;min-height:32px;margin:-12px 8px -8px;color:var(--muted);font-size:12px;font-weight:700;text-decoration:none}.subject-switch:hover{color:var(--text)}.sidebar nav{display:flex;flex-direction:column;gap:4px}.nav-item{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:12px;color:var(--muted);text-decoration:none;font-weight:600;font-size:14px;transition:all .15s}.nav-item:hover{color:var(--text);background:#ffffff0d}.nav-item.active{color:#fff;background:linear-gradient(90deg,#7c5cff40,#ff5c8a26);box-shadow:inset 0 0 0 1px #7c5cff59}.nav-icon{width:20px;text-align:center}.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px}.level-card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:12px}.level-row{display:flex;justify-content:space-between;font-weight:700;font-size:13px}.xp-bar{height:6px;background:#ffffff14;border-radius:3px;margin:8px 0 6px;overflow:hidden}.xp-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));border-radius:3px;transition:width .4s}.xp-note,.bank-note{font-size:11px;color:var(--muted)}.content{flex:1;overflow-y:auto;padding:28px 32px 64px}.page{max-width:1080px;margin:0 auto;display:flex;flex-direction:column;gap:20px}h1{font-size:26px;letter-spacing:-.4px;font-weight:800}h2{font-size:17px;font-weight:700;margin-bottom:6px}.sub{color:var(--muted);font-size:14px}.head-chip{background:var(--panel);border:1px solid var(--border);padding:8px 14px;border-radius:999px;font-size:13px;color:var(--muted)}.dot-live{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--green);margin-right:6px;box-shadow:0 0 8px var(--green)}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px}.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.stat-num{font-size:30px;font-weight:800;letter-spacing:-.5px}.stat-label{font-size:12.5px;color:var(--muted)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}.paper-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:14px}.paper-card{text-align:left;border-radius:var(--radius);border:1px solid var(--border);padding:20px;cursor:pointer;color:var(--text);font-family:inherit;background:var(--panel2);transition:transform .15s,box-shadow .15s;display:flex;flex-direction:column;gap:8px}.paper-card:hover{transform:translateY(-3px);box-shadow:0 12px 32px #0006}.paper-card.full{background:linear-gradient(135deg,#7c5cff2e,#7c5cff0d)}.paper-card.short{background:linear-gradient(135deg,#ff5c8a29,#ff5c8a0a)}.paper-type{font-weight:800;letter-spacing:1.4px;font-size:13px}.paper-meta{font-weight:700;font-size:19px}.paper-desc{color:var(--muted);font-size:13.5px;flex:1}.paper-go{font-weight:700;color:var(--accent)}.setup-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.papers-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:14px}.paper-card.pick{cursor:default}.paper-card.pick.noncalc{background:linear-gradient(135deg,#ffb0201f,#ffb02008)}.paper-card.pick.calc{background:linear-gradient(135deg,#2ad4a81f,#2ad4a808)}.paper-card.pick:hover{transform:none;box-shadow:none}.calc-badge{font-size:11.5px;font-weight:800;padding:4px 10px;border-radius:999px;white-space:nowrap}.calc-badge.yes{background:#2ad4a824;border:1px solid rgba(42,212,168,.45);color:var(--green)}.calc-badge.no{background:#ffb02024;border:1px solid rgba(255,176,32,.45);color:var(--amber)}.strand-chips{display:flex;flex-wrap:wrap;gap:6px}.strand-chip{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:3px 9px}.strand-chip i{width:7px;height:7px;border-radius:50%;display:inline-block}.adhoc-cta{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-top:16px;padding:16px 18px;background:linear-gradient(135deg,#35a7ff1f,#7c5cff14);border:1px solid rgba(53,167,255,.3);border-radius:14px;flex-wrap:wrap}.adhoc-cta-title{font-weight:800;font-size:15px}.adhoc-controls{display:flex;flex-direction:column;gap:12px;margin-top:12px}.adhoc-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.adhoc-label{font-size:13px;color:var(--muted);font-weight:700;min-width:100px}.chip-row{display:flex;gap:8px;flex-wrap:wrap}.suggest-chip.source.on{color:#fff;border-color:var(--accent);background:#7c5cff33}.exam-title{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.exam-paper{font-weight:800;font-size:15px}.how-list{margin-top:10px;display:flex;flex-direction:column;gap:10px;color:var(--muted);font-size:14px;padding-left:2px}.how-list b{color:var(--text)}.btn{display:inline-block;background:var(--panel2);border:1px solid var(--border);color:var(--text);padding:10px 18px;border-radius:12px;font-weight:700;font-size:14px;cursor:pointer;text-decoration:none;font-family:inherit;transition:all .15s}.btn:hover:not(:disabled){background:#212a3d}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:linear-gradient(90deg,var(--accent),#9d5cff);border:none;color:#fff}.btn-primary:hover:not(:disabled){filter:brightness(1.12);background:linear-gradient(90deg,var(--accent),#9d5cff)}.btn-finish{background:linear-gradient(90deg,var(--green),#1fb88c);border:none;color:#04251b}.btn-submit{background:#ff5c5c26;border:1px solid rgba(255,92,92,.4);color:#ff9b9b}.btn-quit{background:transparent;color:var(--muted)}.btn-quit:hover:not(:disabled){background:var(--panel2);color:var(--text)}.btn.small{padding:6px 12px;font-size:12.5px}.link{color:var(--accent);cursor:pointer;font-weight:600;padding:3px 5px;margin:-3px -5px;border-radius:6px;display:inline-block}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,[role=button]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.skeleton{background:var(--panel2);border:1px solid var(--border);border-radius:var(--radius);min-height:180px;animation:skel-pulse 1.4s ease-in-out infinite}@keyframes skel-pulse{50%{opacity:.5}}.mastery-row{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px solid var(--border)}.mastery-row:last-of-type{border-bottom:none}.mastery-name{width:168px;flex-shrink:0;font-size:13.5px;font-weight:700}.mastery-bar{flex:1;height:8px;background:#ffffff12;border-radius:4px;overflow:hidden}.mastery-fill{height:100%;border-radius:4px;transition:width .5s}.mastery-pct{width:56px;text-align:right;font-size:12.5px;color:var(--muted);font-weight:700}.mastery-none{font-size:13px;color:var(--muted);padding:6px 0}.back-link{color:var(--muted);text-decoration:none;font-size:13.5px;padding:4px 6px;margin:-4px -6px;border-radius:6px}.back-link:hover{color:var(--text)}.exam{max-width:1080px;margin:0 auto;display:flex;flex-direction:column;gap:14px;height:100%}.exam-bar{display:flex;justify-content:space-between;align-items:center;gap:14px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:12px 18px;position:sticky;top:0;z-index:10}.exam-timers{display:flex;gap:26px}.exam-bar-actions{display:flex;align-items:center;gap:8px}.timer{display:flex;flex-direction:column}.timer-label{font-size:10.5px;letter-spacing:.8px;text-transform:uppercase;color:var(--muted)}.timer-value{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums}.timer.big.low .timer-value{color:var(--red);animation:pulse 1s infinite}.timer.ahead .timer-value{color:var(--green)}.timer.behind .timer-value{color:var(--amber)}.pace-badge{font-size:12px;font-weight:700}@keyframes pulse{50%{opacity:.6}}.exam-body{display:flex;gap:16px;flex:1;min-height:0}.q-nav{width:190px;flex-shrink:0;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:14px;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;align-content:start;max-height:calc(100vh - 140px);overflow-y:auto;position:sticky;top:88px}.q-dot{border:1px solid var(--border);background:var(--panel2);border-radius:10px;padding:6px 4px;cursor:pointer;color:var(--muted);font-family:inherit;display:flex;flex-direction:column;align-items:center;gap:1px;transition:all .12s}.q-dot:hover{border-color:var(--accent)}.q-dot.current{border-color:var(--accent);background:#7c5cff33;color:#fff;box-shadow:0 0 0 2px #7c5cff59}.q-dot.done{background:#2ad4a824;border-color:#2ad4a880;color:var(--green)}.q-num{font-weight:800;font-size:13px}.q-marks{font-size:10px;opacity:.8}.q-stretch{font-size:10px}.q-nav-legend{grid-column:1 / -1;display:flex;flex-direction:column;gap:4px;font-size:11px;color:var(--muted);margin-top:6px}.dot{display:inline-block;width:8px;height:8px;border-radius:3px;border:1px solid var(--border);background:var(--panel2);margin-right:5px;font-style:normal}.dot.done{background:#2ad4a880;border-color:var(--green)}.q-main{flex:1;display:flex;flex-direction:column;gap:14px;min-width:0}.q-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:24px 26px}.q-meta{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}.q-tag{font-size:11.5px;font-weight:700;letter-spacing:.4px;padding:4px 10px;border-radius:999px;background:var(--panel2);border:1px solid var(--border);color:var(--muted)}.q-tag.marks{color:var(--amber);border-color:#ffb02059}.q-tag.stretch{color:#ffb0c8;border-color:#ff5c8a66;background:#ff5c8a1f}.q-text{font-size:16.5px;font-weight:500}.q-text p{margin-bottom:8px}.q-text p:last-child{margin-bottom:0}.choices{display:flex;flex-direction:column;gap:10px;margin-top:18px}.choice{display:flex;align-items:center;gap:12px;text-align:left;background:var(--panel2);border:1px solid var(--border);border-radius:12px;padding:12px 16px;color:var(--text);font-size:15px;cursor:pointer;font-family:inherit;transition:all .12s}.choice:hover{border-color:var(--accent)}.choice.selected{border-color:var(--accent);background:#7c5cff2e;box-shadow:0 0 0 2px #7c5cff4d}.choice-letter{width:26px;height:26px;border-radius:8px;background:#ffffff12;display:flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0}.answer-input{margin-top:18px;width:260px;max-width:100%;background:var(--panel2);border:1px solid var(--border);border-radius:12px;color:var(--text);font-size:17px;font-weight:600;padding:12px 16px;font-family:inherit;outline:none}.answer-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #7c5cff40}.q-actions{display:flex;align-items:center;justify-content:space-between;gap:12px}.q-pos{color:var(--muted);font-size:13px}.modal-back{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:26px;max-width:420px;display:flex;flex-direction:column;gap:12px}.modal-actions{display:flex;gap:10px;justify-content:flex-end}.error-banner{background:#ff5c5c1f;border:1px solid rgba(255,92,92,.4);color:#ffb3b3;padding:12px 16px;border-radius:12px;font-size:14px}.result-hero{display:flex;gap:26px;align-items:center;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:26px;flex-wrap:wrap}.grade-badge{width:130px;height:130px;border-radius:28px;display:flex;flex-direction:column;align-items:center;justify-content:center;flex-shrink:0}.grade-badge.great{background:linear-gradient(135deg,#2ad4a840,#2ad4a814);border:1px solid rgba(42,212,168,.5);color:var(--green)}.grade-badge.ok{background:linear-gradient(135deg,#ffb02038,#ffb0200f);border:1px solid rgba(255,176,32,.5);color:var(--amber)}.grade-badge.bad,.grade-badge.u{background:linear-gradient(135deg,#ff5c5c38,#ff5c5c0f);border:1px solid rgba(255,92,92,.5);color:var(--red)}.grade-num{font-size:56px;font-weight:900;line-height:1}.grade-label{font-size:11px;letter-spacing:1px;text-transform:uppercase;margin-top:6px}.score-block{flex:1;min-width:220px}.score-num{font-size:38px;font-weight:900}.score-total{color:var(--muted);font-size:22px;font-weight:700}.score-pct{color:var(--green);font-weight:800;font-size:18px}.score-note{color:var(--muted);font-size:13.5px;margin-top:6px}.actions-col{display:flex;flex-direction:column;gap:10px}.bound-table{width:100%;border-collapse:collapse;font-size:14px}.bound-table th,.bound-table td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}.bound-table th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.6px}.bound-table tr.me td{background:#7c5cff2e;font-weight:800}.bar-row{margin-bottom:12px}.bar-head{display:flex;justify-content:space-between;font-size:13px;margin-bottom:4px}.bar{height:8px;background:#ffffff12;border-radius:4px;overflow:hidden}.bar-fill{height:100%;border-radius:4px;transition:width .5s}.weak-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px;margin-top:12px}.weak-card{background:var(--panel2);border:1px solid var(--border);border-radius:14px;padding:16px}.weak-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.weak-name{font-weight:800}.weak-pct{color:var(--red);font-weight:800}.weak-links{display:flex;flex-direction:column;gap:8px}.weak-link{font-size:13px;color:var(--muted);text-decoration:none;display:block}.weak-link:hover{color:var(--text)}.weak-link.internal{color:var(--accent);font-weight:700}.review{border:1px solid var(--border);border-radius:12px;margin-bottom:10px;overflow:hidden}.review.right{border-left:3px solid var(--green)}.review.wrong{border-left:3px solid var(--red)}.review-head{width:100%;display:flex;align-items:center;gap:10px;background:none;border:none;color:var(--text);font-family:inherit;font-size:14px;padding:12px 16px;cursor:pointer;text-align:left}.review-head:hover{background:#ffffff08}.review-status{font-weight:900;width:20px}.review.right .review-status{color:var(--green)}.review.wrong .review-status{color:var(--red)}.review-title{flex:1;font-weight:700}.review-result{font-weight:800}.chev{color:var(--muted)}.review-body{padding:0 16px 16px 46px;display:flex;flex-direction:column;gap:10px}.review-q{color:var(--muted);font-size:14px}.review-you{color:var(--red);font-size:14px}.review-answer{color:var(--green);font-size:14px}.review-sol{background:#7c5cff14;border:1px solid rgba(124,92,255,.25);border-radius:10px;padding:12px 14px;display:flex;flex-direction:column;gap:6px}.review-sol-title{font-weight:800;font-size:12.5px;color:var(--accent)}.sol-step{font-size:13.5px}.strand-panel{padding:0;overflow:hidden}.strand-head{width:100%;display:flex;align-items:center;gap:12px;background:none;border:none;color:var(--text);font-family:inherit;padding:18px 22px;cursor:pointer;text-align:left}.strand-head h2{margin:0}.strand-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.strand-blurb{color:var(--muted);font-size:13px;flex:1}.strand-weight{font-size:12px;color:var(--muted);border:1px solid var(--border);padding:3px 10px;border-radius:999px}.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px;padding:0 22px 20px}.topic-card{background:var(--panel2);border:1px solid var(--border);border-radius:14px;padding:16px;text-decoration:none;color:var(--text);display:flex;flex-direction:column;gap:6px;transition:all .15s}.topic-card:hover{border-color:var(--accent);transform:translateY(-2px)}.topic-name{font-weight:800;font-size:15px}.topic-blurb{color:var(--muted);font-size:12.5px;flex:1}.topic-foot{display:flex;justify-content:space-between;align-items:center;margin-top:4px}.acc-pill{font-size:11.5px;font-weight:800;padding:3px 10px;border-radius:999px}.acc-pill.good{background:#2ad4a826;color:var(--green)}.acc-pill.mid{background:#ffb02026;color:var(--amber)}.acc-pill.low{background:#ff5c5c26;color:var(--red)}.acc-pill.new{background:#ffffff0f;color:var(--muted)}.topic-go{color:var(--accent);font-weight:700;font-size:13px}.topic-page .notes{display:flex;flex-direction:column;gap:12px}.note-p{font-size:15px}.note-bullets{padding-left:20px;display:flex;flex-direction:column;gap:6px;font-size:14.5px}.formula-card{background:linear-gradient(135deg,#7c5cff29,#7c5cff0a);border:1px solid rgba(124,92,255,.4);border-radius:12px;padding:14px 16px}.formula-title{font-size:11px;letter-spacing:1px;text-transform:uppercase;color:var(--accent);font-weight:800;margin-bottom:4px}.formula-body{font-size:15px;font-weight:600}.example-card{background:#2ad4a812;border:1px solid rgba(42,212,168,.3);border-radius:12px;padding:14px 16px}.example-q{font-weight:700;font-size:14.5px}.example-a{color:var(--green);font-size:14px;margin-top:4px}.quiz-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap;margin-bottom:14px}.quiz{display:flex;flex-direction:column;gap:16px}.quiz-q{background:var(--panel2);border:1px solid var(--border);border-radius:14px;padding:16px 18px}.quiz-q.right{border-color:#2ad4a880}.quiz-q.wrong{border-color:#ff5c5c80}.quiz-q-meta{display:flex;gap:10px;font-size:12px;color:var(--muted);font-weight:700;margin-bottom:6px}.quiz-q-text{font-size:15px;font-weight:500}.quiz-actions{display:flex;align-items:center;gap:14px;margin-top:12px;flex-wrap:wrap}.hint-inline{color:var(--amber);font-size:12.5px}.quiz-fb{margin-top:12px;display:flex;flex-direction:column;gap:8px}.quiz-fb-line{font-size:14px}.quiz-done{background:#2ad4a81a;border:1px solid rgba(42,212,168,.35);border-radius:14px;padding:18px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}.res-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin-top:10px}.res-card{background:var(--panel2);border:1px solid var(--border);border-radius:12px;padding:14px;text-decoration:none;color:var(--text);transition:all .15s}.res-card:hover{border-color:var(--accent)}.res-name{font-weight:800;font-size:14px}.res-why{color:var(--muted);font-size:12.5px;margin-top:4px}.chat-box{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);display:flex;flex-direction:column;height:calc(100vh - 200px);min-height:420px;overflow:hidden}.chat-scroll{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:14px}.msg{display:flex;gap:10px;max-width:85%}.msg.user{align-self:flex-end;flex-direction:row-reverse}.msg-avatar{width:34px;height:34px;border-radius:10px;background:var(--panel2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:17px}.msg-body{background:var(--panel2);border:1px solid var(--border);border-radius:14px;padding:12px 16px;font-size:14.5px}.msg.user .msg-body{background:#7c5cff33;border-color:#7c5cff66}.msg-text p{margin-bottom:6px}.msg-text p:last-child{margin-bottom:0}.markdown-message{line-height:1.55}.markdown-message p,.markdown-message h1,.markdown-message h2,.markdown-message h3,.markdown-message h4,.markdown-message h5,.markdown-message h6,.markdown-message ul,.markdown-message ol,.markdown-message blockquote,.markdown-message pre{margin:0 0 9px}.markdown-message>:last-child{margin-bottom:0}.markdown-message h1,.markdown-message h2,.markdown-message h3,.markdown-message h4,.markdown-message h5,.markdown-message h6{color:var(--text);line-height:1.25}.markdown-message h1{font-size:1.3em}.markdown-message h2{font-size:1.2em}.markdown-message h3{font-size:1.1em}.markdown-message ul,.markdown-message ol{padding-left:24px}.markdown-message li+li{margin-top:4px}.markdown-message blockquote{border-left:3px solid var(--accent);color:var(--muted);padding-left:12px}.markdown-message code{background:#7c5cff24;border:1px solid rgba(124,92,255,.25);border-radius:4px;padding:1px 4px;font-family:ui-monospace,monospace;font-size:.92em}.markdown-message pre{background:var(--ink);border:1px solid var(--border);border-radius:8px;overflow-x:auto;padding:10px 12px}.markdown-message pre code{background:transparent;border:0;padding:0}.markdown-message a{color:var(--accent);text-decoration:underline}.msg-model{font-size:10.5px;color:var(--muted);margin-top:6px}.model-chip{background:#7c5cff2e;border:1px solid rgba(124,92,255,.4);border-radius:6px;padding:1px 7px;font-size:12.5px;font-family:ui-monospace,monospace}.typing{display:flex;gap:5px;align-items:center;padding:16px 18px}.typing .dot{width:7px;height:7px;background:var(--muted);border:none;border-radius:50%;animation:blink 1.2s infinite}.typing .dot:nth-child(2){animation-delay:.2s}.typing .dot:nth-child(3){animation-delay:.4s}@keyframes blink{50%{opacity:.25}}.chat-suggest{display:flex;gap:8px;padding:0 16px 10px;flex-wrap:wrap}.suggest-chip{background:var(--panel2);border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:12.5px;padding:6px 13px;cursor:pointer;font-family:inherit;transition:all .12s}.suggest-chip:hover{color:var(--text);border-color:var(--accent)}.chat-input-row{display:flex;gap:10px;padding:14px 16px 18px;border-top:1px solid var(--border)}.chat-input{flex:1;background:var(--panel2);border:1px solid var(--border);border-radius:12px;color:var(--text);padding:12px 16px;font-size:15px;font-family:inherit;outline:none}.chat-input:focus{border-color:var(--accent)}.loading,.empty{color:var(--muted);font-size:14px;padding:20px 0}.loading{display:flex;align-items:center;gap:10px}.loading:before{content:"";width:15px;height:15px;flex-shrink:0;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:skel-spin .8s linear infinite}@keyframes skel-spin{to{transform:rotate(360deg)}}.chart{display:flex;align-items:flex-end;gap:12px;height:140px;margin-top:12px}.chart-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;height:100%;justify-content:flex-end}.chart-bar-wrap{width:100%;max-width:40px;height:100px;display:flex;align-items:flex-end}.chart-bar{width:100%;border-radius:6px 6px 0 0;min-height:6px}.chart-bar.ok{background:linear-gradient(180deg,var(--green),rgba(42,212,168,.4))}.chart-bar.bad{background:linear-gradient(180deg,var(--red),rgba(255,92,92,.4))}.chart-pct{font-size:11px;color:var(--muted);font-weight:700}.strand-row{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--border);font-size:14px}.strand-row:last-of-type{border-bottom:none}.strand-hint{margin-left:auto;color:var(--muted);font-size:11.5px}@media (max-width: 900px){.sidebar{width:64px;padding:16px 8px}.logo-name,.logo-sub,.nav-item span:last-child,.sidebar-foot{display:none}.nav-item{justify-content:center}.content{padding:18px 16px 48px}.stat-row,.two-col,.paper-cards,.setup-grid,.papers-grid{grid-template-columns:1fr}.exam-body{flex-direction:column}.q-nav{width:100%;grid-template-columns:repeat(8,1fr);position:static;max-height:none;order:2}.q-nav-legend{display:none}.exam-bar{flex-direction:column;align-items:stretch}.exam-bar-actions{display:grid;grid-template-columns:1fr 1fr}}.source-panel{background:#12100d;border:1px solid var(--border);border-radius:12px;padding:14px 16px;margin-bottom:14px;max-height:300px;overflow-y:auto}.source-panel.tall{max-height:480px}.adhoc-source-panel{border:1px solid var(--source-line);border-radius:12px;background:var(--source-bg);padding:14px 16px 0;margin-bottom:18px}.adhoc-source-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:10px}.adhoc-source-heading h3{margin:8px 0 0;color:var(--subject-ink);font-family:Georgia,Times New Roman,serif;font-size:20px}.adhoc-source-count{color:var(--quiet);font-size:12px;font-weight:700;white-space:nowrap}.adhoc-source-tabs{overflow-x:auto;padding-bottom:2px}.adhoc-source-panel>.source-panel{max-height:320px;border:0;padding:0 2px 14px;margin-bottom:0}.source-meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:8px}.source-title{font-weight:800;font-size:14px}.source-byline{color:var(--muted);font-size:12px}.source-flag{font-size:10.5px;font-weight:800;letter-spacing:.6px;text-transform:uppercase;padding:2px 8px;border-radius:999px;border:1px solid var(--border);color:var(--muted)}.source-text{font-family:Georgia,Times New Roman,serif;font-size:14.5px;line-height:1.65;color:#d8d2c8}.source-text p{margin-bottom:10px;white-space:pre-wrap}.source-tabs{display:flex;gap:8px;margin-bottom:10px}.source-tab{background:var(--panel2);border:1px solid var(--border);color:var(--muted);border-radius:999px;padding:6px 14px;font-weight:700;font-size:13px;cursor:pointer;font-family:inherit}.source-tab.on{color:#fff;border-color:var(--accent);background:#e8b44c26}.tf-grid{display:flex;flex-direction:column;gap:8px;margin-top:16px}.tf-row{display:flex;align-items:center;gap:12px;background:var(--panel2);border:1px solid var(--border);border-radius:12px;padding:10px 14px}.tf-text{flex:1;font-size:14.5px}.tf-buttons{display:flex;gap:6px}.tf-btn{border:1px solid var(--border);background:none;color:var(--muted);font-family:inherit;font-weight:800;font-size:12px;padding:6px 12px;border-radius:8px;cursor:pointer}.tf-btn.on-true{background:#4ade8029;border-color:var(--green);color:var(--green)}.tf-btn.on-false{background:#ff6b6b29;border-color:var(--red);color:var(--red)}.option-cards{display:flex;flex-direction:column;gap:10px;margin:14px 0}.option-card{text-align:left;background:var(--panel2);border:1px solid var(--border);border-radius:12px;padding:14px 16px;cursor:pointer;color:var(--text);font-family:inherit;transition:all .12s}.option-card:hover{border-color:var(--accent)}.option-card.selected{border-color:var(--accent);background:#e8b44c1f;box-shadow:0 0 0 2px #e8b44c40}.option-label{font-weight:800;font-size:12px;letter-spacing:.8px;text-transform:uppercase;color:var(--accent);margin-bottom:4px}.answer-area{margin-top:14px;width:100%;min-height:140px;background:var(--panel2);border:1px solid var(--border);border-radius:12px;color:var(--text);font-size:15px;line-height:1.6;padding:14px 16px;font-family:inherit;resize:vertical;outline:none}.answer-area:focus{border-color:var(--accent);box-shadow:0 0 0 3px #e8b44c2e}.answer-area.essay{min-height:260px}.answer-area.list{min-height:110px}.input-hint{color:var(--muted);font-size:12.5px;margin-top:8px}.word-watch{font-size:12px;color:var(--muted);margin-top:6px}.mark-chip{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:800;padding:3px 10px;border-radius:999px;border:1px solid var(--border);color:var(--muted)}.mark-chip.auto{border-color:#4ade8066;color:var(--green)}.mark-chip.ai{border-color:#60a5fa66;color:var(--blue)}.mark-chip.off{border-color:#e8b44c66;color:var(--amber)}.fb-box{margin-top:12px;border-radius:12px;border:1px solid var(--border);background:var(--panel2);padding:14px 16px;display:flex;flex-direction:column;gap:8px}.fb-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.fb-marks{font-size:20px;font-weight:900;color:var(--green)}.fb-marks .outof{color:var(--muted);font-size:14px;font-weight:700}.fb-level{font-size:12px;font-weight:800;padding:3px 10px;border-radius:999px;background:#e8b44c26;color:var(--amber)}.fb-model{font-weight:800;font-size:13px;color:var(--accent);margin-bottom:2px}.fb-col{display:flex;flex-direction:column;gap:4px}.fb-label{font-size:11.5px;font-weight:800;letter-spacing:.6px;text-transform:uppercase;color:var(--muted)}.fb-text{font-size:14px;line-height:1.55}.model-answer{font-family:Georgia,Times New Roman,serif;font-size:14px;line-height:1.6;color:#d8d2c8;background:#8b5cf614;border:1px solid rgba(139,92,246,.25);border-radius:10px;padding:12px 14px}.model-answer p{margin-bottom:8px;white-space:pre-wrap}.rubric-bands{display:flex;flex-direction:column;gap:6px}.rubric-band{display:flex;gap:10px;font-size:12.5px;color:var(--muted)}.rubric-band .lvl{flex-shrink:0;width:64px;font-weight:800;color:var(--text)}.rubric-band.me .lvl{color:var(--accent)}.texts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:14px;margin-top:14px}.text-card{background:var(--panel2);border:1px solid var(--border);border-radius:14px;padding:16px;text-decoration:none;color:var(--text);display:flex;flex-direction:column;gap:8px;transition:all .15s}.text-card:hover{border-color:var(--accent);transform:translateY(-2px)}.text-card-title{font-weight:800;font-size:15px}.text-card-author{color:var(--muted);font-size:12.5px}.text-card-paper{font-size:11px;font-weight:800;letter-spacing:.8px;text-transform:uppercase;color:var(--accent)}.text-card-excerpt{color:var(--muted);font-size:12.5px;font-family:Georgia,Times New Roman,serif;line-height:1.5}.text-detail-source{font-family:Georgia,Times New Roman,serif;font-size:15px;line-height:1.7;color:#d8d2c8;white-space:pre-wrap}.text-detail-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap}.marking-note{display:flex;flex-direction:column;gap:6px;background:#8b5cf614;border:1px solid rgba(139,92,246,.25);border-radius:10px;padding:10px 14px;font-size:13px;color:var(--muted)}.exam-with-source{display:grid;grid-template-columns:1fr 320px;gap:16px;align-items:start}.exam-source-col{position:sticky;top:80px;display:flex;flex-direction:column;gap:12px;max-height:calc(100vh - 110px);overflow-y:auto}@media (max-width: 1100px){.exam-with-source{grid-template-columns:1fr}.exam-source-col{position:static;max-height:none}}.pace-track{height:6px;background:#ffffff14;border-radius:3px;margin-top:6px;overflow:hidden}.pace-target{position:relative;height:100%;border-radius:3px;transition:width .4s}.kind-chip.on{color:#fff;border-color:var(--accent);background:#e8b44c2e}:root{color-scheme:light;--paper: #f3f0e8;--paper-raised: #fbfaf6;--paper-muted: #e9e6dc;--ink: #161713;--quiet: #65675f;--line: #cbc8bd;--line-strong: #8d8e85;--positive: #237b55;--positive-wash: #dcebe3;--warning: #98670f;--warning-wash: #f0e5c5;--negative: #a33d3d;--negative-wash: #f1dddd;--info: #38678c;--info-wash: #dfe9f1;--bg: var(--paper);--bg2: var(--paper-muted);--panel: var(--paper-raised);--panel2: var(--paper-muted);--border: var(--line);--text: var(--ink);--muted: var(--quiet);--green: var(--positive);--amber: var(--warning);--red: var(--negative);--blue: var(--info);--radius: 2px;--sidebar-bg: rgba(243, 240, 232, .94);--input-bg: #fffefa;--chat-scroll-bg: rgba(251, 250, 246, .72);--overlay: rgba(22, 23, 19, .48);--hover-wash: rgba(22, 23, 19, .035);--on-accent: #ffffff;--on-positive: #ffffff;--status-glow: rgba(35, 123, 85, .12);--desk-pattern: linear-gradient(rgba(22, 23, 19, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(22, 23, 19, .035) 1px, transparent 1px)}:root[data-theme=dark]{color-scheme:dark;--paper: #16140f;--paper-raised: #1d1a14;--paper-muted: #262119;--ink: #ece6df;--quiet: #a79e8e;--line: #2e2921;--line-strong: #5f574c;--positive: #55c193;--positive-wash: rgba(85, 193, 147, .16);--warning: #d9a441;--warning-wash: rgba(217, 164, 65, .16);--negative: #e2685f;--negative-wash: rgba(226, 104, 95, .16);--info: #6fa8d8;--info-wash: rgba(111, 168, 216, .16);--bg: var(--paper);--bg2: var(--paper-muted);--panel: var(--paper-raised);--panel2: var(--paper-muted);--border: var(--line);--text: var(--ink);--muted: var(--quiet);--green: var(--positive);--amber: var(--warning);--red: var(--negative);--blue: var(--info);--sidebar-bg: rgba(22, 20, 15, .94);--input-bg: #221e18;--chat-scroll-bg: rgba(29, 26, 20, .6);--overlay: rgba(0, 0, 0, .55);--hover-wash: rgba(236, 230, 223, .05);--on-accent: #0c0d0a;--on-positive: #0c0d0a;--status-glow: rgba(85, 193, 147, .18);--desk-pattern: linear-gradient(rgba(236, 230, 223, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(236, 230, 223, .04) 1px, transparent 1px)}body{color:var(--ink);background-color:var(--paper);background-image:var(--desk-pattern);background-size:24px 24px;background-attachment:scroll}::selection{color:var(--subject-ink);background:var(--subject-tint)}.app{min-height:100%}.sidebar{width:244px;padding:24px 16px;border-color:var(--ink);background:var(--sidebar-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.logo{gap:12px;padding:0 6px}.logo-icon{display:grid;place-items:center;width:42px;height:42px;flex:0 0 auto;border:1px solid var(--ink);color:var(--on-accent);background:var(--accent);font-family:Georgia,Times New Roman,serif;font-size:24px;line-height:1}.logo-name{color:var(--ink);font-family:Georgia,Times New Roman,serif;font-size:20px;font-weight:400;letter-spacing:-.03em}.logo-sub,.paper-type,.paper-meta,.stat-label,.head-chip,.calc-badge,.q-tag,.timer-label,.grade-label,.formula-title,.quiz-q-meta,.source-flag,.text-card-paper,.mark-chip,.fb-label,.option-label,.strand-weight,.bank-note,.xp-note{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;text-transform:uppercase;letter-spacing:.07em}.logo-sub{color:var(--quiet);font-size:9px;letter-spacing:.1em}.subject-switch{gap:7px;min-height:34px;margin:-10px 6px -4px;padding:0 8px;border:1px solid transparent;border-radius:0;color:var(--quiet);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:10px;letter-spacing:.07em;text-transform:uppercase}.subject-switch:hover{border-color:var(--line);color:var(--ink);background:var(--paper-raised)}.sidebar nav{gap:4px}.nav-item{min-height:44px;gap:12px;padding:9px 10px;border:1px solid transparent;border-radius:0;color:var(--quiet);font-size:13px;font-weight:700}.nav-item:hover{border-color:var(--line);color:var(--ink);background:var(--paper-raised)}.nav-item.active{border-color:var(--subject-ink);color:var(--subject-ink);background:var(--subject-tint);box-shadow:none}.nav-icon{width:24px;color:currentColor;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:9px;font-weight:800;letter-spacing:.04em}.sidebar-foot{gap:14px}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:38px;padding:0 12px;border:1px solid var(--line-strong);border-radius:0;color:var(--ink);background:var(--paper-raised);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:10px;letter-spacing:.07em;text-transform:uppercase}.theme-toggle:hover{border-color:var(--ink);background:var(--paper-muted)}.theme-toggle .theme-toggle-icon{font-size:14px}.sign-out{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:38px;padding:0 12px;border:1px solid var(--line-strong);border-radius:0;color:var(--quiet);background:transparent;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:10px;letter-spacing:.07em;text-transform:uppercase}.sign-out:hover{border-color:var(--negative);color:var(--negative);background:var(--negative-wash)}.login-screen{display:grid;place-items:center;min-height:100dvh;padding:24px}.login-card{width:min(440px,100%);border:1px solid var(--line-strong);border-radius:0;background:var(--paper-raised);padding:36px 32px}.login-brand{display:flex;align-items:center;gap:12px;margin-bottom:30px}.login-letter{display:grid;place-items:center;width:46px;height:46px;border:1px solid var(--ink);color:var(--on-accent);background:var(--accent);font-family:Georgia,Times New Roman,serif;font-size:26px;line-height:1}.login-brand-name{color:var(--ink);font-family:Georgia,Times New Roman,serif;font-size:20px;font-weight:400;letter-spacing:-.03em}.login-brand-tag{color:var(--quiet);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:9px;letter-spacing:.1em;text-transform:uppercase}.login-card h1{color:var(--ink);font-family:Georgia,Times New Roman,serif;font-size:36px;font-weight:400;letter-spacing:-.04em}.login-sub{margin:4px 0 0;color:var(--quiet);font-size:13px;line-height:1.55}.login-error{margin-top:16px;padding:12px 14px;border:1px solid var(--negative);border-radius:0;color:var(--negative);background:var(--negative-wash);font-size:13px}.login-field{display:block;margin-top:18px}.login-field span{display:block;margin-bottom:6px;color:var(--quiet);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:10px;letter-spacing:.07em;text-transform:uppercase}.login-field input{width:100%;min-height:46px;padding:10px 12px;border:1px solid var(--line-strong);border-radius:0;color:var(--ink);background:var(--input-bg);font-size:15px}.login-field input:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-color:var(--accent)}.login-submit{width:100%;min-height:46px;margin-top:22px;border:1px solid var(--subject-ink);border-radius:0;color:var(--on-accent);background:var(--accent);font-size:14px;font-weight:800}.login-submit:hover:not(:disabled){border-color:var(--subject-ink);background:var(--accent);transform:translateY(-1px)}.login-submit:disabled{opacity:.55}.login-oauth{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:44px;margin-top:14px;border:1px solid var(--line-strong);border-radius:0;color:var(--ink);background:var(--paper-raised);font-size:13px;font-weight:700;text-decoration:none}.login-oauth:hover{border-color:var(--ink);background:var(--paper-muted)}.login-switch{display:block;margin:16px auto 0;padding:6px 12px;border:0;background:transparent;color:var(--accent-strong);font-size:13px;font-weight:700;text-decoration:underline;text-underline-offset:3px;cursor:pointer}.login-switch:hover{color:var(--accent)}.login-switch:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.login-local{margin-top:14px;color:var(--quiet);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:9px;letter-spacing:.05em;text-align:center;text-transform:uppercase}.login-loading{display:grid;place-items:center;min-height:100dvh;padding:24px}.loading-mark{display:grid;place-items:center;width:54px;height:54px;border:1px solid var(--ink);color:var(--on-accent);background:var(--accent);font-family:Georgia,Times New Roman,serif;font-size:30px}.login-loading-text{margin-top:14px;color:var(--quiet);font-size:13px}.level-card{padding:14px;border:1px solid var(--line-strong);border-radius:0;background:var(--paper-raised)}.level-row{color:var(--ink);font-size:11px}.xp-bar{height:5px;background:var(--paper-muted)}.xp-fill{background:var(--accent)}.xp-note,.bank-note{color:var(--quiet);font-size:8px}.content{padding:42px 48px 70px}.page{max-width:1260px}.page-head{align-items:end;padding-bottom:26px;border-bottom:1px solid var(--ink)}h1,.page-head h1{color:var(--ink);font-family:Georgia,Times New Roman,serif;font-size:clamp(42px,5vw,70px);font-weight:400;line-height:.98;letter-spacing:-.05em}h2,.panel h2,.strand-head h2{color:var(--ink);font-family:Georgia,Times New Roman,serif;font-weight:400;letter-spacing:-.025em}.sub{color:var(--quiet)}.head-chip{min-height:34px;padding:8px 10px;border:1px solid var(--line-strong);border-radius:0;color:var(--ink);background:var(--paper-raised);font-size:9px}.dot-live{background:var(--positive);box-shadow:0 0 0 3px var(--status-glow)}.panel,.stat-card,.paper-card,.weak-card,.topic-card,.res-card,.quiz-q,.q-card,.chat-box,.strand-panel,.text-card,.fb-box,.source-panel,.option-card,.formula-card,.example-card,.review,.modal{border-color:var(--line-strong);border-radius:0;background:var(--paper-raised);box-shadow:none}.panel{padding:28px}.panel>h2:first-child{font-size:27px}.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(176px,1fr));gap:10px}.stat-card{display:flex;flex-direction:column;gap:12px;min-height:112px;padding:18px 20px;border:1px solid var(--line-strong);border-radius:0;background:var(--panel);box-shadow:none}.stat-num{color:var(--subject-ink);font-family:Georgia,Times New Roman,serif;font-size:38px;font-weight:400;line-height:.9;font-variant-numeric:tabular-nums}.stat-label{color:var(--quiet);font-size:9px;line-height:1.6}.stat-card.good{background:var(--positive-wash)}.stat-card.good .stat-num,.stat-card.good .stat-label{color:var(--positive)}.stat-card.warn{background:var(--negative-wash)}.stat-card.warn .stat-num,.stat-card.warn .stat-label{color:var(--negative)}.paper-card{position:relative;overflow:hidden}.paper-card:hover,.topic-card:hover,.res-card:hover,.text-card:hover,.option-card:hover{border-color:var(--ink);box-shadow:none;transform:translateY(-2px)}.paper-card.pick,.paper-card.full,.paper-card.short{border-color:var(--line-strong);background:var(--paper-raised)}.paper-card.pick:before{content:"";position:absolute;inset:0 auto 0 0;width:5px;background:var(--accent)}.paper-card.pick.noncalc:before{background:var(--negative)}.paper-desc{color:var(--quiet)}.paper-type{color:var(--subject-ink);font-size:10px}.calc-badge,.q-tag,.acc-pill,.mark-chip,.model-chip,.pace-badge{border-radius:999px;font-weight:800}.calc-badge.yes,.calc-badge.no{color:var(--subject-ink);background:var(--accent-wash)}.btn{min-height:42px;border-color:var(--line-strong);border-radius:0;color:var(--ink);background:var(--paper-raised);box-shadow:none}.btn:hover:not(:disabled){border-color:var(--ink);color:var(--ink);background:var(--paper-muted);box-shadow:none;transform:translateY(-1px)}.btn-primary,.btn-primary:hover:not(:disabled){border-color:var(--subject-ink);color:var(--on-accent);background:var(--accent)}.btn-finish{border-color:var(--positive);color:var(--on-positive);background:var(--positive)}.btn-submit{border-color:var(--negative);color:var(--negative);background:var(--negative-wash)}.btn:disabled{opacity:.48}.link{color:var(--accent-strong)}.link-button{border:0;background:transparent;font:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,[role=button]:focus-visible{outline:3px solid var(--accent);outline-offset:3px;box-shadow:none}.adhoc-cta{border-color:var(--subject-ink);border-radius:0;background:var(--subject-tint)}.adhoc-cta-title{color:var(--subject-ink);font-family:Georgia,Times New Roman,serif;font-size:21px;font-weight:400}.suggest-chip,.strand-chip,.kind-chip{border-color:var(--line-strong);border-radius:999px;color:var(--ink);background:var(--paper-raised)}.suggest-chip:hover,.strand-chip:hover,.kind-chip:hover{border-color:var(--accent);background:var(--accent-wash)}.suggest-chip.source.on,.kind-chip.on{border-color:var(--subject-ink);color:var(--subject-ink);background:var(--subject-tint)}.mastery-bar,.bar,.xp-bar,.chart-bar-wrap{background-color:var(--paper-muted)}.chart-bar.ok{background:var(--positive)}.chart-bar.bad{background:var(--negative)}.chart-pct,.mastery-pct{color:var(--quiet)}.empty{border-left:3px solid var(--line-strong);color:var(--quiet)}.loading{color:var(--quiet)}.loading:before{border-color:var(--line);border-top-color:var(--accent)}.skeleton{background:linear-gradient(90deg,var(--paper-muted) 25%,var(--paper-raised) 50%,var(--paper-muted) 75%)}.error-banner{border-color:var(--negative);border-radius:0;color:var(--negative);background:var(--negative-wash)}.exam{color:var(--ink);background:var(--paper)}.exam-bar{border-color:var(--ink);background:var(--sidebar-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.exam-title{color:var(--ink)}.exam-paper{color:var(--quiet)}.timer{border-color:var(--line-strong);border-radius:0;background:var(--paper-raised)}.timer-label{color:var(--quiet);font-size:8px}.timer-value{color:var(--ink)}.timer.ahead .timer-value{color:var(--positive)}.timer.behind .timer-value,.timer.big.low .timer-value{color:var(--negative)}.q-nav{border-color:var(--line-strong);background:var(--paper-raised)}.q-dot{border-color:var(--line-strong);border-radius:0;color:var(--quiet);background:transparent}.q-dot:hover{border-color:var(--ink);background:var(--paper-muted)}.q-dot.current{border-color:var(--subject-ink);color:var(--on-accent);background:var(--accent);box-shadow:none}.q-dot.done{border-color:var(--positive);color:var(--positive);background:var(--positive-wash)}.dot.done{background:var(--positive)}.q-card{border-top:4px solid var(--accent)}.q-tag{color:var(--quiet);background:var(--paper-muted)}.q-tag.marks{color:var(--positive);background:var(--positive-wash)}.q-tag.stretch{color:var(--negative);background:var(--negative-wash)}.q-text{color:var(--ink)}.choice,.answer-input,.chat-input,.answer-area,.tf-btn{border-color:var(--line-strong);border-radius:0;color:var(--ink);background:var(--input-bg)}.choice:hover{border-color:var(--accent);background:var(--accent-wash)}.choice.selected{border-color:var(--subject-ink);background:var(--subject-tint);box-shadow:none}.choice-letter{color:var(--quiet);background:var(--paper-muted)}.choice.selected .choice-letter{color:var(--on-accent);background:var(--accent)}.answer-input:focus,.chat-input:focus,.answer-area:focus{border-color:var(--accent);box-shadow:none}.modal-back{background:var(--overlay)}.modal{color:var(--ink)}.result-hero{border-color:var(--ink);background:var(--paper-raised)}.grade-badge{border:1px solid currentColor;border-radius:0}.grade-badge.great{color:var(--positive);background:var(--positive-wash)}.grade-badge.ok{color:var(--warning);background:var(--warning-wash)}.grade-badge.bad,.grade-badge.u{color:var(--negative);background:var(--negative-wash)}.grade-num,.score-num{font-family:Georgia,Times New Roman,serif;font-weight:400}.score-pct{color:var(--positive)}.bound-table th{color:var(--quiet)}.bound-table th,.bound-table td{border-color:var(--line)}.bound-table tr.me td{color:var(--subject-ink);background:var(--subject-tint)}.bar-fill{background:var(--accent)}.weak-card{border-left:4px solid var(--negative)}.weak-pct{color:var(--negative)}.weak-link{color:var(--accent-strong)}.review.right{border-color:var(--positive);background:var(--positive-wash)}.review.wrong{border-color:var(--negative);background:var(--negative-wash)}.review.pending{border-color:var(--warning);background:var(--warning-wash)}.review-head:hover{background:var(--hover-wash)}.review-you{color:var(--quiet)}.review-answer{color:var(--ink)}.review-sol{border-color:var(--line-strong);background:var(--paper-muted)}.strand-panel{overflow:hidden}.strand-head{color:var(--ink);background:var(--paper-raised)}.strand-head:hover{background:var(--paper-muted)}.strand-blurb,.topic-blurb,.res-why{color:var(--quiet)}.strand-weight{color:var(--subject-ink);background:var(--accent-wash)}.topic-card{border-top:3px solid var(--accent)}.topic-name,.res-name{color:var(--ink)}.topic-go{color:var(--accent-strong)}.acc-pill.good{color:var(--positive);background:var(--positive-wash)}.acc-pill.mid{color:var(--warning);background:var(--warning-wash)}.acc-pill.low{color:var(--negative);background:var(--negative-wash)}.acc-pill.new{color:var(--quiet);background:var(--paper-muted)}.back-link{color:var(--quiet)}.back-link:hover{color:var(--ink)}.topic-page .notes{border-color:var(--line-strong);background:var(--paper-raised)}.note-p,.note-bullets{color:var(--ink)}.formula-card{border-left:4px solid var(--accent);background:var(--accent-wash)}.formula-title{color:var(--subject-ink)}.formula-body{color:var(--ink)}.example-card{border-left:4px solid var(--positive);background:var(--positive-wash)}.example-a{color:var(--positive)}.quiz-q.right,.quiz-done{border-color:var(--positive);background:var(--positive-wash)}.quiz-q.wrong{border-color:var(--negative);background:var(--negative-wash)}.hint-inline{border-color:var(--warning);color:var(--warning);background:var(--warning-wash)}.study-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:22px 0}.study-grid .plan-card{grid-column:1 / -1}.mission-card{border-left:6px solid var(--accent)}.readiness-number{margin:8px 0;color:var(--subject-ink);font-family:Georgia,Times New Roman,serif;font-size:clamp(30px,5vw,48px)}.study-actions,.plan-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.plan-head input{min-height:42px;padding:8px;border:1px solid var(--line-strong);color:var(--ink);background:var(--input-bg)}.pass-toggle{display:flex;align-items:center;gap:10px;margin:14px 0;padding:12px;border:1px solid var(--subject-ink);background:var(--subject-tint)}.pass-toggle span,.pass-toggle small{display:block}.pass-toggle small{margin-top:3px;color:var(--quiet)}.week-plan{display:grid;grid-template-columns:repeat(7,1fr);border:1px solid var(--line-strong)}.week-plan a{min-width:0;padding:10px;border-right:1px solid var(--line);color:var(--ink);text-decoration:none}.week-plan a:last-child{border:0}.week-plan b,.week-plan span{display:block;overflow:hidden;text-overflow:ellipsis}.week-plan b{margin-bottom:5px;color:var(--subject-ink);font-size:10px;text-transform:uppercase}.week-plan span{font-size:11px}.week-plan small{display:block;margin-top:4px;color:var(--positive);font-size:10px;font-weight:800}.week-plan a.done{background:var(--positive-wash)}.week-plan a.done b{color:var(--positive)}.week-plan .locked{display:block;min-width:0;padding:10px;border-right:1px solid var(--line);color:var(--quiet)}.week-plan .locked:last-child{border:0}.week-plan .locked b{color:var(--quiet)}.week-plan .locked small{color:var(--quiet);font-weight:600}.week-plan .past{display:block;min-width:0;padding:10px;border-right:1px solid var(--line);color:var(--quiet);opacity:.62}.week-plan .past:last-child{border:0}.week-plan .past b{color:var(--quiet)}.week-plan .past span{text-decoration:line-through;text-decoration-color:var(--line-strong)}.week-plan .past small{color:var(--quiet);font-weight:600}.week-track{display:flex;gap:4px;margin-top:10px}.week-track i{flex:1;height:6px;border-radius:999px;background:var(--line)}.week-track i.done{background:var(--positive)}.week-track i.today{background:var(--subject-ink)}.mission-card.mission-done{border-left-color:var(--positive)}.plan-note{margin-top:10px;color:var(--quiet);font-size:11px}.notebook-list{margin-top:22px}.notebook-row{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}.notebook-row:last-child{border:0}.notebook-row h3{margin:8px 0 4px}.notebook-row p{max-width:760px}.due-chip{padding:3px 6px;border:1px solid var(--line-strong);color:var(--quiet);font-size:9px;text-transform:uppercase}.due-chip.due{border-color:var(--negative);color:var(--negative);background:var(--negative-wash)}.progressive-hints{display:grid;gap:8px;margin-top:12px}.progressive-hints .hint-inline{width:fit-content;padding:9px 11px}.resubmit-box{margin-top:12px;padding-top:12px;border-top:1px solid var(--line-strong)}.mark-delta{color:var(--positive);font-weight:800}.expertise-path{position:relative;display:grid;gap:22px;overflow:hidden;border-left:6px solid var(--accent)}.expertise-path:after{position:absolute;top:-48px;right:-42px;width:180px;height:180px;border:1px solid var(--line);border-radius:50%;content:"";pointer-events:none}.expertise-head,.expertise-progress-copy,.expertise-actions,.reward-summary>div:first-child,.reward-dialog-actions{display:flex;align-items:center;justify-content:space-between;gap:16px}.expertise-head{position:relative;z-index:1;align-items:start}.eyebrow,.reward-summary-label,.lesson-stamp{color:var(--quiet);font-size:9px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}.expertise-head h2{margin:4px 0 3px;font-size:clamp(30px,4vw,46px)}.expertise-seal,.reward-stamp{display:grid;flex:0 0 auto;place-items:center;width:82px;height:82px;border:2px solid var(--accent);border-radius:50%;color:var(--subject-ink);background:var(--accent-wash);outline:1px dashed var(--accent);outline-offset:-7px}.expertise-seal span,.reward-stamp span{font-size:8px;font-weight:800;letter-spacing:.14em}.expertise-seal strong,.reward-stamp strong{font-family:Georgia,Times New Roman,serif;font-size:32px;font-weight:400;line-height:.9}.expertise-progress{display:grid;gap:8px}.expertise-progress-copy{color:var(--quiet);font-size:11px}.expertise-progress-copy span:first-child{color:var(--ink);font-weight:700}.expertise-track{height:10px;overflow:hidden;border:1px solid var(--line-strong);background:var(--paper-muted)}.expertise-track span{display:block;height:100%;background:var(--accent);transition:width .5s ease}.expertise-actions{justify-content:flex-start}.badge-collection{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;border:1px solid var(--line-strong);background:var(--line-strong)}.expertise-badge{display:flex;align-items:center;min-width:0;min-height:72px;gap:12px;padding:12px;background:var(--paper-raised)}.expertise-badge.locked{color:var(--quiet);background:var(--paper-muted)}.expertise-badge.unlocked{color:var(--ink)}.expertise-badge-number{display:grid;flex:0 0 auto;place-items:center;width:42px;height:42px;border:1px solid var(--line-strong);color:var(--quiet);font-family:Georgia,Times New Roman,serif;font-size:19px}.expertise-badge.unlocked .expertise-badge-number{border-color:var(--accent);color:var(--subject-ink);background:var(--accent-wash)}.expertise-badge strong,.expertise-badge small{display:block}.expertise-badge strong{overflow:hidden;font-size:12px;text-overflow:ellipsis;white-space:nowrap}.expertise-badge small{margin-top:3px;color:var(--quiet);font-size:9px}.lesson-stamp{display:inline-flex;align-items:center;width:fit-content;margin-top:9px;padding:5px 7px;border:1px solid var(--positive);color:var(--positive);background:var(--positive-wash)}.topic-card .lesson-stamp{margin-top:12px}.reward-summary{display:grid;gap:5px;padding:14px 16px;border:1px solid var(--positive);color:var(--ink);background:var(--positive-wash)}.reward-xp{color:var(--positive);font-family:Georgia,Times New Roman,serif;font-size:25px;font-weight:400}.reward-summary-detail,.reward-summary-rank{color:var(--quiet);font-size:10px}.reward-summary-rank{color:var(--ink);font-weight:700}.quiz-done .reward-summary{flex:1 1 280px}.reward-backdrop{position:fixed;z-index:220;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;overflow-y:auto;padding:24px;background:var(--overlay)}.reward-dialog{position:relative;display:grid;width:min(100%,540px);max-height:calc(100dvh - 48px);overflow-y:auto;gap:16px;padding:34px;border:1px solid var(--ink);color:var(--ink);background:var(--paper-raised);animation:reward-rise .22s ease-out}.reward-dialog h2{margin:-8px 0 0;font-size:clamp(32px,7vw,48px)}.reward-dialog>p{margin:0;color:var(--quiet);line-height:1.65}.reward-dialog .reward-stamp{margin-bottom:5px;animation:reward-stamp-in .42s ease-out}.reward-close{position:absolute;top:12px;right:12px;display:grid;place-items:center;width:42px;height:42px;border:1px solid var(--line-strong);color:var(--ink);background:var(--paper-raised);cursor:pointer;font:inherit}.reward-close:hover{border-color:var(--ink);background:var(--paper-muted)}.reward-dialog-actions{justify-content:flex-start;flex-wrap:wrap}@keyframes reward-rise{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes reward-stamp-in{0%{opacity:0;transform:rotate(-8deg) scale(.82)}to{opacity:1;transform:rotate(0) scale(1)}}.chat-box{border-color:var(--ink)}.chat-scroll{background:var(--chat-scroll-bg)}.msg-avatar{border:1px solid var(--line-strong);background:var(--paper-muted)}.msg-body{border-color:var(--line-strong);border-radius:0;color:var(--ink);background:var(--paper-raised)}.msg.user .msg-body{border-color:var(--subject-ink);color:var(--subject-ink);background:var(--subject-tint)}.msg-model{color:var(--quiet)}.model-chip{color:var(--subject-ink);background:var(--accent-wash)}.typing .dot{background:var(--quiet)}.chat-suggest,.chat-input-row{border-color:var(--line-strong);background:var(--paper-raised)}@media (max-width: 900px) and (min-width: 761px){.sidebar{width:72px;padding-inline:10px}.logo{justify-content:center}.logo-icon{width:40px;height:40px}.subject-switch{justify-content:center;width:44px;min-height:44px;margin-inline:auto;padding:0}.subject-switch-label,.nav-label{display:none}.nav-item{justify-content:center;padding-inline:0}.nav-icon{width:auto}.sidebar-foot{display:flex;align-items:center;gap:8px}.level-card,.bank-note{display:none}.sidebar-foot .theme-toggle,.sidebar-foot .sign-out{width:44px;min-height:44px;padding:0}.sidebar-foot .theme-toggle>span:not(.theme-toggle-icon),.sidebar-foot .sign-out-label,.sidebar-foot .sign-out-user{display:none}.sidebar-foot .sign-out{font-size:0}.sidebar-foot .sign-out:before{content:"↪";font-size:18px}.content{padding:34px 28px 60px}}@media (max-width: 900px) and (min-width: 761px) and (max-height: 560px){.sidebar{height:100vh;height:100dvh;min-height:0;max-height:100dvh;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}}@media (max-width: 760px){html,body,#root{min-height:100%;height:auto}.app{display:block;min-height:100dvh;height:auto}.sidebar{position:sticky;top:0;z-index:100;display:flex;flex-direction:row;flex-wrap:nowrap;align-items:center;gap:8px;width:100%;min-height:56px;padding:8px 12px;border-right:0;border-bottom:1px solid var(--line-strong);background:var(--panel);backdrop-filter:none;-webkit-backdrop-filter:none}.logo{display:flex;align-items:center;gap:8px;padding:0;margin-right:auto;min-width:0}.logo>div{display:block;min-width:0}.logo-icon{width:34px;height:34px;font-size:19px;flex-shrink:0}.sidebar .logo .logo-name{display:block;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.logo-sub{display:none}.subject-switch{align-self:center;width:44px;min-height:44px;flex-shrink:0;justify-content:center;padding:0;margin:0;border:1px solid var(--line-strong);background:var(--panel)}.subject-switch-label{display:none}.sidebar-foot{display:contents}.level-card,.bank-note{display:none}.theme-toggle{width:44px;min-height:44px;flex-shrink:0;justify-content:center;padding:0;border:1px solid var(--line-strong);background:var(--panel)}.theme-toggle span:last-child{display:none}.sign-out{min-height:44px;flex-shrink:0;padding:0 10px;border:1px solid var(--line-strong);background:var(--panel);white-space:nowrap}.sign-out-user{display:none}.sidebar nav{position:fixed;left:0;right:0;bottom:0;z-index:100;display:flex;flex-direction:row;align-items:stretch;gap:0;width:100%;padding:4px 4px calc(4px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line-strong);background:var(--sidebar-bg);backdrop-filter:blur(14px) saturate(150%);-webkit-backdrop-filter:blur(14px) saturate(150%)}@supports not (backdrop-filter: blur(1px)){.sidebar nav{background:var(--panel)}}.nav-item{position:relative;flex:1 1 0;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-width:0;min-height:50px;padding:5px 2px;text-align:center;border-radius:6px}.nav-item:active{transform:scale(.95)}.nav-item:focus-visible{outline:2px solid var(--subject-ink, var(--ink));outline-offset:-2px}.nav-item.active{background:var(--subject-tint);box-shadow:none;color:var(--subject-ink)}.nav-item.active:before{content:"";position:absolute;top:0;left:50%;transform:translate(-50%);width:26px;height:2px;background:var(--subject-ink)}.nav-icon{display:block;width:auto;font-size:10px;opacity:.5}.nav-item.active .nav-icon{opacity:1}.sidebar nav .nav-item .nav-label{display:block;max-width:100%;overflow:hidden;font-size:8px;line-height:1.25;letter-spacing:.02em;text-overflow:ellipsis;white-space:nowrap}.nav-item.active .nav-label{overflow:visible}.content{padding:20px 16px calc(78px + env(safe-area-inset-bottom,0px))}.page-head{align-items:start;gap:14px}h1,.page-head h1{font-size:clamp(30px,8.5vw,40px)}.panel{padding:20px 16px}.chat-box{height:calc(100dvh - 252px);min-height:420px}.stat-row{grid-template-columns:repeat(2,minmax(0,1fr))}.papers-grid.two{grid-template-columns:1fr}.paper-actions,.q-actions,.adhoc-cta,.adhoc-row{align-items:stretch}.paper-actions .btn,.q-actions .btn{flex:1}.topic-grid,.weak-grid,.texts-grid,.res-grid{grid-template-columns:minmax(0,1fr)}.q-nav{grid-template-columns:repeat(auto-fit,minmax(42px,1fr))}.exam-timers,.source-tabs,.tf-row{flex-wrap:wrap}.chat-box{height:calc(100dvh - 190px);min-height:500px}.review-body{padding-left:18px}.expertise-path{gap:18px}.expertise-path:after{display:none}.expertise-head{align-items:center}.expertise-seal{width:68px;height:68px}.expertise-seal strong{font-size:27px}.expertise-actions,.reward-dialog-actions{align-items:stretch;flex-direction:column}.expertise-actions .btn,.reward-dialog-actions .btn{width:100%}.badge-collection{grid-template-columns:minmax(0,1fr)}.reward-backdrop{align-items:end;padding:12px}.reward-dialog{max-height:calc(100dvh - 24px);padding:28px 20px 20px}.study-grid{grid-template-columns:1fr}.study-grid .plan-card{grid-column:auto}.week-plan{grid-template-columns:1fr}.week-plan a{border-right:0;border-bottom:1px solid var(--line)}.notebook-row{align-items:stretch;flex-direction:column}}@media print{.sidebar,.no-print{display:none!important}.content{padding:0}.page{max-width:none}.weekly-summary{color:#000}.weekly-summary .panel,.weekly-summary .stat-card{background:#fff}}@media (max-width: 420px){.logo-name{font-size:15px}.subject-switch,.theme-toggle{width:44px;min-height:44px}.sign-out{padding:0 8px}.stat-num{font-size:32px}.stat-card{min-height:104px;padding:14px 16px}.head-chip{align-self:stretch;justify-content:center}}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto!important}*,*:before,*:after{transition:none!important;animation-duration:.01ms!important}}.evidence-strip{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}.evidence-chip{flex:1 1 160px;display:flex;align-items:baseline;gap:10px;border:1px solid var(--line);background:var(--panel);padding:12px 14px;text-decoration:none;color:var(--ink);min-width:0}.evidence-chip b{font-size:22px}.evidence-chip span{font-size:11px;color:var(--muted)}.evidence-chip.due{border-color:var(--negative);background:var(--negative-wash)}.evidence-chip.due b,.evidence-chip.due span{color:var(--negative)}.evidence-chip.mastered{border-color:var(--positive)}.evidence-chip:hover{border-color:var(--line-strong)}.notebook-main{display:flex;align-items:flex-start;gap:14px;width:100%;background:none;border:0;padding:0;margin:0;text-align:left;color:inherit;font:inherit;cursor:pointer}.notebook-main .chev{margin-left:auto;color:var(--muted)}.notebook-title{min-width:0}.notebook-title h3{margin:0 0 4px}.notebook-title p{margin:0 0 4px;max-width:720px}.notebook-row.open{border-bottom:0}.notebook-row.mastered{opacity:.72}.notebook-row.mastered .notebook-main{cursor:default}.notebook-insight{margin-top:-6px}.notebook-body{padding:14px 0 18px;border-bottom:1px solid var(--line)}.notebook-row.open{padding-bottom:0}.mistake-detail{display:grid;gap:12px}.mistake-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px}.mistake-facts div{border:1px solid var(--line);padding:8px 10px;background:var(--panel2)}.mistake-facts small{display:block;color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.06em}.mistake-facts span{font-size:13px}.mistake-answer,.mistake-solution{border:1px solid var(--line);border-left:3px solid var(--subject-ink, var(--ink));padding:10px 12px;background:var(--panel2)}.mistake-answer small,.mistake-solution small{display:block;color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}.mistake-answer p{margin:0}.mistake-solution .sol-step{font-size:13px}.classify-row{display:grid;gap:6px}.classify-row>small{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.06em}.classify-row .chip-row{flex-wrap:wrap}.classify-row .suggest-chip{font-size:10px}.triage-panel .bar-fill.lost{background:var(--negative)}.triage-lost{display:grid;gap:8px;margin:10px 0 14px}.attempts-table small,.evidence-table td small{display:block;color:var(--muted)}.attempts-table td,.evidence-table td{vertical-align:top}.onboarding-card{border-left:3px solid var(--subject-ink, var(--accent))}.onboarding-control{margin:12px 0}.onboarding-control input[type=date]{max-width:220px}.editorial-note{display:flex;flex-wrap:wrap;gap:6px;align-items:baseline;border:1px solid var(--line);border-left:3px solid var(--line-strong);background:var(--panel2);color:var(--muted);font-size:11px;padding:8px 12px;margin-bottom:16px}.editorial-note a{color:var(--info)}.evidence-signature{border-top:1px dashed var(--line-strong);margin-top:14px;padding-top:10px;color:var(--muted);font-size:12px}@media (max-width: 760px){.evidence-chip{flex:1 1 100%}.mistake-facts{grid-template-columns:1fr 1fr}}:root{--focus-ring: var(--subject-ink, var(--accent, #6849e8));--touch-min: 44px}.skip-link{position:absolute;left:16px;top:-56px;z-index:200;padding:10px 16px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;text-decoration:none;transition:top .16s ease}.skip-link:focus-visible{top:12px}:focus-visible{outline:3px solid var(--focus-ring);outline-offset:3px}.nav-item,.btn,.theme-toggle,.sign-out,.subject-switch,.suggest-chip,.palette-trigger{min-height:var(--touch-min)}.streak-mark{display:inline-flex;align-items:center;gap:6px}.streak-dot{width:8px;height:8px;border-radius:50%;background:var(--positive);box-shadow:0 0 0 3px var(--status-glow);flex:0 0 auto}.nextstep-card{border-left:5px solid var(--subject-ink, var(--accent, #6849e8));margin-bottom:12px}.nextstep-main{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(200px,.6fr);gap:24px;align-items:start}.nextstep-main h2{margin:6px 0 8px}.nextstep-facts{display:grid;gap:0;margin:0;border:1px solid var(--line);background:var(--panel2)}.nextstep-facts div{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:10px 12px}.nextstep-facts div+div{border-top:1px solid var(--line)}.nextstep-facts dt{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}.nextstep-facts dd{margin:0;font-weight:750;font-size:14px}.nextstep-weak{margin-top:16px;border-top:1px solid var(--line);padding-top:12px}.nextstep-weak ul{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:6px}.nextstep-weak-link{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:10px 12px;border:1px solid var(--line);background:var(--panel2);text-decoration:none;color:var(--ink)}.nextstep-weak-link:hover{border-color:var(--ink)}.nextstep-weak-name{font-weight:650}.strength{flex:0 0 auto;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:4px 10px;border:1px solid var(--line-strong);border-radius:999px}.strength-good{color:var(--positive);border-color:var(--positive);background:var(--positive-wash)}.strength-mid{color:var(--warning);border-color:var(--warning);background:var(--warning-wash)}.strength-low{color:var(--negative);border-color:var(--negative);background:var(--negative-wash)}.strength-quiet{color:var(--muted)}.palette-slot{display:contents}.palette-trigger{display:inline-flex;align-items:center;gap:8px;width:100%;padding:0 10px;border:1px solid var(--line);background:var(--panel2);color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;cursor:pointer}.palette-trigger:hover{border-color:var(--ink);color:var(--ink)}.palette-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:300;background:var(--overlay);display:flex;justify-content:center;align-items:flex-start;padding:12vh 16px 16px}.palette{width:min(560px,100%);border:1px solid var(--ink);background:var(--panel)}.palette-head{display:flex;gap:8px;padding:10px;border-bottom:1px solid var(--line-strong)}.palette-head input{flex:1;min-height:var(--touch-min);border:1px solid var(--line-strong);background:var(--input-bg);color:var(--ink);padding:0 12px;font-size:15px}.palette-esc{flex:0 0 auto;min-height:var(--touch-min);padding:0 12px;border:1px solid var(--line-strong);background:var(--panel2);color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;font-weight:800;cursor:pointer}.palette-count{margin:0;padding:8px 14px;color:var(--muted);font-size:12px;border-bottom:1px solid var(--line)}.palette-list{list-style:none;margin:0;padding:8px;display:grid;gap:4px;max-height:320px;overflow:auto}.palette-item{display:flex;justify-content:space-between;align-items:baseline;gap:12px;width:100%;min-height:var(--touch-min);padding:8px 10px;border:1px solid transparent;background:transparent;color:var(--ink);text-align:left;cursor:pointer;font-size:14px}.palette-item:hover{border-color:var(--line-strong)}.palette-item.active{border-color:var(--subject-ink, var(--ink));background:var(--subject-tint, var(--panel2))}.palette-item-label{font-weight:650}.palette-item-meta{color:var(--muted);font-size:12px}@media (max-width: 900px) and (min-width: 761px){.palette-slot{display:none}}@media (max-width: 760px){.palette-slot{display:none}.nextstep-main{grid-template-columns:1fr}.nextstep-facts{grid-template-columns:repeat(3,minmax(0,1fr))}.nextstep-facts div{flex-direction:column;align-items:flex-start;gap:2px}.nextstep-facts div+div{border-top:0;border-left:1px solid var(--line)}}@media (max-width: 420px){.nextstep-facts{grid-template-columns:1fr}.nextstep-facts div+div{border-left:0;border-top:1px solid var(--line)}}@media (prefers-reduced-motion: reduce){.skip-link{transition:none}.palette-backdrop{padding-top:8vh}}:root{--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-7: 28px;--space-10: 42px;--space-12: 48px;--dur-fast: .12s;--dur-med: .18s;--dur-slow: .32s;--ease-out: cubic-bezier(.2, .7, .2, 1);--z-tabs: 100;--z-modal: 220;--z-palette: 300}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;line-height:1.5;-webkit-font-smoothing:antialiased}.app{display:flex;height:100%;min-height:100dvh}.content{flex:1;min-width:0;overflow-y:auto;padding:42px 48px 70px}.page{max-width:1260px;margin:0 auto;display:flex;flex-direction:column;gap:20px}.page-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:12px}.sub{color:var(--muted, var(--quiet));font-size:14px}.sub.small{font-size:12.5px;margin-top:10px}.section-label{display:flex;align-items:baseline;gap:10px;margin:8px 0 0;color:var(--quiet);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;font-weight:800;letter-spacing:.09em;text-transform:uppercase}.section-label:after{content:"";flex:1;border-top:1px solid var(--line);transform:translateY(-3px)}.section-label .section-num{color:var(--subject-ink, var(--ink))}.page-head .exam-countdown{display:inline-flex;align-items:center;gap:8px;margin-top:10px;padding:6px 10px;border:1px solid var(--line-strong);background:var(--panel);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;font-weight:800;letter-spacing:.07em;text-transform:uppercase}.exam-countdown.urgent{border-color:var(--negative);color:var(--negative);background:var(--negative-wash)}.exam-countdown.soon{border-color:var(--warning);color:var(--warning);background:var(--warning-wash)}.exam-countdown.settled{border-color:var(--positive);color:var(--positive);background:var(--positive-wash)}.stat-card .stat-cap{color:var(--quiet);font-size:11px;line-height:1.5}.stat-card .stat-trend{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:9px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.stat-card .stat-trend.up{color:var(--positive)}.stat-card .stat-trend.down{color:var(--negative)}.stat-card .stat-trend.flat{color:var(--quiet)}.skeleton-block{border:1px solid var(--line);background:var(--panel2);min-height:120px;position:relative;overflow:hidden}.skeleton-block:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,transparent 20%,var(--paper-raised) 50%,transparent 80%);animation:desk-shimmer 1.4s var(--ease-out) infinite}@keyframes desk-shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.empty-state{display:grid;gap:8px;justify-items:start;padding:22px;border:1px dashed var(--line-strong);background:var(--panel)}.empty-state:before{content:"";width:44px;height:34px;border:1px solid var(--line-strong);background-image:repeating-linear-gradient(to bottom,transparent 0 7px,var(--line) 7px 8px);background-color:var(--panel2)}.empty-state h3{margin:0;font-family:Georgia,Times New Roman,serif;font-weight:400;font-size:19px;letter-spacing:-.02em}.empty-state p{margin:0;color:var(--quiet);font-size:13px;max-width:60ch}.mastery-leader{display:grid;gap:0;border:1px solid var(--line);background:var(--panel2)}.mastery-leader-row{display:grid;grid-template-columns:minmax(140px,200px) 1fr auto auto;gap:12px;align-items:center;padding:12px 14px}.mastery-leader-row+.mastery-leader-row{border-top:1px solid var(--line)}.mastery-leader-row:hover{background:var(--hover-wash)}.mastery-leader-name{font-size:13.5px;font-weight:700;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mastery-leader-bar{height:8px;background:var(--paper-muted);border:1px solid var(--line);overflow:hidden}.mastery-leader-bar>i{display:block;height:100%;background:var(--accent);transition:width var(--dur-slow) var(--ease-out)}.mastery-leader-pct{min-width:52px;text-align:right;font-variant-numeric:tabular-nums;font-weight:800;font-size:13px}.mastery-leader-cta{font-size:12px;font-weight:800;color:var(--accent-strong);text-decoration:underline;text-underline-offset:3px;white-space:nowrap}.paper-top{display:flex;justify-content:space-between;align-items:center;gap:8px}.paper-actions{display:flex;gap:10px;margin-top:auto;flex-wrap:wrap}.paper-meta-line{color:var(--quiet);font-size:12px;margin-top:6px}.autosave-note{color:var(--quiet);font-size:11px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.04em}.exam-progress-line{display:flex;gap:10px;align-items:baseline;color:var(--quiet);font-size:12px}.exam-progress-line strong{color:var(--ink);font-variant-numeric:tabular-nums}.nav-group{display:contents}.sidebar{position:sticky;top:0;height:100vh;height:100dvh;max-height:100dvh;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;flex-shrink:0}.nav-group-label{padding:14px 10px 4px;color:var(--quiet);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:9px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.nav-item .nav-badge{margin-left:auto;min-width:22px;height:20px;padding:0 6px;display:inline-grid;place-items:center;border:1px solid var(--negative);border-radius:999px;color:var(--negative);background:var(--negative-wash);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;font-weight:800}.nav-item.active .nav-badge{border-color:currentColor}.shell-foot-links{display:flex;gap:12px;flex-wrap:wrap;color:var(--quiet);font-size:11px}.shell-foot-links a{color:inherit;text-underline-offset:3px}.nav-item:hover{border-color:transparent;color:var(--ink);background:var(--paper-raised)}@media (hover: none),(pointer: coarse){.nav-item:hover{border-color:transparent;color:var(--quiet);background:transparent}.nav-item.active:hover{border-color:var(--subject-ink);color:var(--subject-ink);background:var(--subject-tint)}}.mobile-palette-btn{display:none;align-items:center;justify-content:center;gap:6px;min-width:44px;min-height:44px;padding:0 10px;flex-shrink:0;border:1px solid var(--line-strong);background:var(--panel);color:var(--ink);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;font-weight:800;cursor:pointer}.nextstep-top{display:flex;gap:16px;align-items:flex-start}.nextstep-facts{margin-top:16px}.nextstep-ring{flex:0 0 auto;width:64px;height:64px}.nextstep-ring svg{display:block;width:100%;height:100%}.nextstep-ring .ring-bg{stroke:var(--paper-muted)}.nextstep-ring .ring-fg{stroke:var(--accent);transition:stroke-dashoffset var(--dur-slow) var(--ease-out)}.nextstep-cta-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.nextstep-kbd{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;border:1px solid var(--line-strong);padding:2px 6px;color:var(--quiet)}.nextstep-card.tone-urgent{border-left-color:var(--negative)}.nextstep-card.tone-focus{border-left-color:var(--warning)}.nextstep-card.tone-start{border-left-color:var(--accent)}.nextstep-card.tone-steady{border-left-color:var(--positive)}.palette-group{margin:0;padding:6px 14px 2px;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:9px;font-weight:800;letter-spacing:.09em;text-transform:uppercase}.palette-foot{display:flex;gap:12px;padding:8px 14px;border-top:1px solid var(--line);color:var(--muted);font-size:11px}.palette-foot kbd{border:1px solid var(--line-strong);padding:0 5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px}.login-passwrap{position:relative}.login-passwrap input{width:100%;padding-right:64px}.login-show{position:absolute;right:6px;top:50%;transform:translateY(-50%);min-height:36px;padding:0 10px;border:1px solid var(--line-strong);background:var(--panel2);color:var(--quiet);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;font-weight:800;cursor:pointer}.login-trust{display:flex;gap:8px;align-items:center;margin-top:16px;color:var(--quiet);font-size:12px}.login-trust:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--positive);box-shadow:0 0 0 3px var(--status-glow);flex:0 0 auto}.continue-strip{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;padding:14px 16px;border:1px solid var(--subject-ink, var(--line-strong));background:var(--subject-tint, var(--panel2));color:var(--subject-ink, var(--ink))}.continue-strip strong{font-size:14px}.continue-strip span{display:block;font-size:12px;opacity:.85}@media print{.nextstep-card,.continue-strip,.palette-slot,.mobile-palette-btn{break-inside:avoid}}@media (max-width: 900px) and (min-width: 761px){.content{padding:34px 28px 60px}.mastery-leader-row{grid-template-columns:minmax(120px,1fr) 1fr auto}.mastery-leader-cta,.nav-group-label{display:none}}@media (max-width: 760px){.app{display:block;height:auto}.content{overflow:visible}.sidebar{height:auto;max-height:none;overflow:visible;overscroll-behavior:auto}.mobile-palette-btn{display:inline-flex}.logo .mobile-palette-btn{margin-left:6px}.bank-note,.shell-foot-links,.nav-group-label{display:none}.mastery-leader-row{grid-template-columns:1fr auto}.mastery-leader-bar{grid-column:1 / -1;order:3}.mastery-leader-cta{display:none}.nextstep-top{flex-direction:column}.nextstep-ring{width:52px;height:52px}}@media (prefers-reduced-motion: reduce){.skeleton-block:after{animation:none}.mastery-leader-bar>i,.nextstep-ring .ring-fg{transition:none}}.fixup-row{margin-bottom:14px}.memri-card{border-left:5px solid var(--positive)}.classify-row{margin-top:12px}.correction-row{display:grid;gap:6px;margin-top:12px}.correction-row small{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.06em}.correction-input{width:100%;min-height:64px;resize:vertical}.plan-flex{display:flex;gap:18px;flex-wrap:wrap;align-items:flex-end;margin:14px 0;padding:12px 14px;border:1px solid var(--line);background:var(--panel2)}.plan-rest{display:grid;gap:6px}.plan-rest .chip-row{display:flex;gap:6px}.plan-rest .suggest-chip{min-width:40px;min-height:40px;padding:0 8px}.plan-minutes{display:grid;gap:6px}.minutes-stepper{display:inline-flex;align-items:center;gap:10px}.minutes-stepper strong{font-variant-numeric:tabular-nums;font-size:15px;min-width:64px;text-align:center}.week-plan .rest-day{display:block;min-width:0;padding:10px;border-right:1px solid var(--line);color:var(--quiet);background:var(--panel2)}.week-plan .rest-day:last-child{border-right:0}.week-plan .rest-day b{display:block;margin-bottom:5px;font-size:10px;text-transform:uppercase}.week-plan .rest-day span{font-size:11px;font-style:italic}.week-plan .rest-day small{display:block;margin-top:4px;font-size:10px;font-weight:600}.move-target{min-width:0;padding:10px;border:1px dashed var(--subject-ink, var(--ink));border-right:1px solid var(--line);background:var(--subject-tint, var(--panel2));color:inherit;font:inherit;text-align:left;cursor:pointer}.move-target b,.move-target span{display:block;overflow:hidden;text-overflow:ellipsis}.move-target b{margin-bottom:5px;font-size:10px;text-transform:uppercase}.move-target span{font-size:11px}.move-target small{display:block;margin-top:4px;font-size:10px;font-weight:800}.milestone-list{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:8px}.milestone{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--line-strong);background:var(--panel2)}.milestone-seal{display:grid;place-items:center;flex:0 0 auto;width:38px;height:38px;border:1px solid var(--subject-ink, var(--ink));border-radius:50%;color:var(--subject-ink, var(--ink));background:var(--subject-tint, var(--panel));font-size:16px}.milestone-text{min-width:0;flex:1}.milestone-text strong,.milestone-text small{display:block}.milestone-text strong{font-size:14px}.milestone-text small{color:var(--quiet);font-size:12px}.share-card{text-align:left}.share-stamp{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px solid var(--ink);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;font-weight:800;letter-spacing:.09em;text-transform:uppercase}.share-stamp strong{display:grid;place-items:center;width:44px;height:44px;border:2px solid var(--accent);border-radius:50%;color:var(--subject-ink);background:var(--accent-wash);font-size:20px}.share-card h3{margin:14px 0 4px;font-family:Georgia,Times New Roman,serif;font-weight:400;font-size:30px;letter-spacing:-.03em}.share-proof{font-weight:700;font-size:14px}.read-aloud.on{border-color:var(--subject-ink);color:var(--subject-ink);background:var(--subject-tint)}.freeze-note{color:var(--positive);font-weight:700}@media (max-width: 760px){.plan-flex{flex-direction:column;align-items:stretch}.week-plan .rest-day{border-right:0;border-bottom:1px solid var(--line)}.week-plan .rest-day:last-child{border-bottom:0}}:root{--accent: #ad7621;--accent-strong: #835713;--accent2: #6849e8;--accent-wash: #f3e8ce;--subject-tint: #ebddbd;--subject-ink: #3e2911;--source-line: #9d8a68;--source-ink: #34291d;--source-bg: #fffaf0;--source-tabs-bg: #f5ead4;--on-accent: var(--ink);--desk-pattern: linear-gradient(rgba(62, 41, 17, .045) 1px, transparent 1px)}:root[data-theme=dark]{--accent: #b06b21;--accent-strong: #e9a85a;--accent2: #d69ef0;--accent-wash: rgba(176, 107, 33, .18);--subject-tint: rgba(176, 107, 33, .16);--subject-ink: #e3bf7e;--source-line: #6a4a35;--source-ink: #f4e7d0;--source-bg: #241d14;--source-tabs-bg: #2c2417;--on-accent: #0c0d0a;--desk-pattern: linear-gradient(rgba(227, 191, 126, .05) 1px, transparent 1px)}body{background-size:100% 28px}.papers-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.source-panel,.text-detail-source,.model-answer{border-color:var(--source-line);color:var(--source-ink);background:var(--source-bg)}.source-text,.source-text p,.text-detail-source,.model-answer,.text-card-excerpt{color:var(--source-ink);font-family:Georgia,Times New Roman,serif;line-height:1.78}.source-title,.text-card-title{color:var(--subject-ink);font-family:Georgia,Times New Roman,serif;font-weight:400}.source-meta,.source-byline,.text-card-author{color:var(--quiet)}.source-tabs{border-color:var(--source-line);background:var(--source-tabs-bg)}.source-tab{border-radius:0;color:var(--quiet)}.source-tab.on{color:var(--on-accent);background:var(--accent);box-shadow:none}.mark-chip.auto{color:var(--positive);background:var(--positive-wash)}.mark-chip.ai{color:var(--subject-ink);background:var(--accent-wash)}.mark-chip.off{color:var(--warning);background:var(--warning-wash)}.fb-marks{color:var(--subject-ink)}.fb-level{color:var(--warning);background:var(--warning-wash)}.rubric-band{border-color:var(--line-strong);background:var(--paper-raised)}.rubric-band.me{border-color:var(--accent);background:var(--subject-tint)}.rubric-band .lvl{color:var(--subject-ink)}.tf-btn.on-true,.tf-btn.on-false{border-color:var(--subject-ink);color:var(--subject-ink);background:var(--subject-tint)}.option-card.selected{border-color:var(--subject-ink);background:var(--subject-tint);box-shadow:none}.word-watch,.input-hint,.marking-note{color:var(--quiet)}.exam-with-source{grid-template-columns:minmax(280px,.8fr) minmax(0,1.35fr)}.exam-source-col{border-color:var(--line-strong)}.q-image{margin:16px 0;border:1px solid var(--line-strong);background:var(--paper-muted)}.q-image img{display:block;width:100%;max-height:420px;object-fit:cover;object-position:center}.q-image-cap{padding:8px 12px;color:var(--quiet);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:9px;letter-spacing:.06em;text-transform:uppercase}.review.pending{border-left:3px solid var(--amber)}.tf-row,.model-answer,.marking-note{border-radius:0}:root[data-theme=dark] .q-image{background:var(--paper-muted)}@media (max-width: 1100px){.exam-with-source{grid-template-columns:1fr}}@media (max-width: 760px){.papers-grid.two{grid-template-columns:1fr}}:root{color-scheme:light;--v3-paper: #f7f4ec;--v3-surface: #ffffff;--v3-surface-2: #efead9;--v3-ink: #191c17;--v3-muted: #5b6055;--v3-line: #d9d3c0;--v3-line-strong: #8a8471;--v3-foundation: #4338ca;--v3-foundation-ink: #232058;--v3-foundation-tint: #e4e1ff;--v3-higher: #0f766e;--v3-higher-ink: #123b36;--v3-higher-tint: #d3eee7;--v3-english: #b45309;--v3-english-ink: #452a0b;--v3-english-tint: #f7e5c6;--v3-good: #15803d;--v3-good-wash: #dcf0e3;--v3-warn: #92400e;--v3-warn-wash: #f6e7c8;--v3-bad: #b91c1c;--v3-bad-wash: #f6dcdc;--v3-info: #1d4ed8;--v3-info-wash: #dfe8fb;--v3-shadow-sm: 0 1px 2px rgba(25, 28, 23, .08);--v3-shadow-md: 0 8px 24px rgba(25, 28, 23, .1);--v3-shadow-lg: 0 18px 48px rgba(25, 28, 23, .14);--v3-r-sm: 10px;--v3-r-md: 14px;--v3-r-lg: 18px;--v3-r-pill: 999px;--v3-ease-out: cubic-bezier(.22, .61, .36, 1);--v3-ease-spring: cubic-bezier(.34, 1.56, .64, 1);--v3-dur-1: .15s;--v3-dur-2: .25s;--v3-dur-3: .45s;--v3-focus: #1d4ed8;--v3-font-display: "Fraunces", Georgia, "Times New Roman", serif;--v3-font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--v3-font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--paper: var(--v3-paper);--paper-raised: var(--v3-surface);--paper-muted: var(--v3-surface-2);--ink: var(--v3-ink);--quiet: var(--v3-muted);--line: var(--v3-line);--line-strong: var(--v3-line-strong);--positive: var(--v3-good);--positive-wash: var(--v3-good-wash);--warning: var(--v3-warn);--warning-wash: var(--v3-warn-wash);--negative: var(--v3-bad);--negative-wash: var(--v3-bad-wash);--info: var(--v3-info);--info-wash: var(--v3-info-wash);--bg: var(--v3-paper);--bg2: var(--v3-surface-2);--panel: var(--v3-surface);--panel2: var(--v3-surface-2);--border: var(--v3-line);--text: var(--v3-ink);--muted: var(--v3-muted);--green: var(--v3-good);--amber: var(--v3-warn);--red: var(--v3-bad);--blue: var(--v3-info);--radius: var(--v3-r-md);--sidebar-bg: rgba(247, 244, 236, .92);--input-bg: #fffdf7;--overlay: rgba(25, 28, 23, .5);--hover-wash: rgba(25, 28, 23, .04);--on-accent: #ffffff;--desk-pattern: none;--subject-tint: var(--v3-foundation-tint);--subject-ink: var(--v3-foundation-ink)}:root[data-theme=dark]{color-scheme:dark;--v3-paper: #131511;--v3-surface: #1c1f1a;--v3-surface-2: #262a22;--v3-ink: #f1ede1;--v3-muted: #b3ac99;--v3-line: #363b31;--v3-line-strong: #6b6555;--v3-foundation: #a5b4fc;--v3-foundation-ink: #e0e7ff;--v3-foundation-tint: rgba(99, 102, 241, .2);--v3-higher: #5eead4;--v3-higher-ink: #ccfbf1;--v3-higher-tint: rgba(20, 120, 110, .24);--v3-english: #fbbf24;--v3-english-ink: #fef3c7;--v3-english-tint: rgba(180, 83, 9, .28);--v3-good: #4ade80;--v3-good-wash: rgba(74, 222, 128, .16);--v3-warn: #fbbf24;--v3-warn-wash: rgba(251, 191, 36, .16);--v3-bad: #f87171;--v3-bad-wash: rgba(248, 113, 113, .16);--v3-info: #93c5fd;--v3-info-wash: rgba(147, 197, 253, .16);--v3-shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--v3-shadow-md: 0 10px 28px rgba(0, 0, 0, .42);--v3-shadow-lg: 0 22px 56px rgba(0, 0, 0, .5);--v3-focus: #93c5fd;--paper: var(--v3-paper);--paper-raised: var(--v3-surface);--paper-muted: var(--v3-surface-2);--ink: var(--v3-ink);--quiet: var(--v3-muted);--line: var(--v3-line);--line-strong: var(--v3-line-strong);--positive: var(--v3-good);--positive-wash: var(--v3-good-wash);--warning: var(--v3-warn);--warning-wash: var(--v3-warn-wash);--negative: var(--v3-bad);--negative-wash: var(--v3-bad-wash);--info: var(--v3-info);--info-wash: var(--v3-info-wash);--bg: var(--v3-paper);--bg2: var(--v3-surface-2);--panel: var(--v3-surface);--panel2: var(--v3-surface-2);--border: var(--v3-line);--text: var(--v3-ink);--muted: var(--v3-muted);--green: var(--v3-good);--amber: var(--v3-warn);--red: var(--v3-bad);--blue: var(--v3-info);--sidebar-bg: rgba(19, 21, 17, .92);--input-bg: #1e211b;--overlay: rgba(0, 0, 0, .62);--hover-wash: rgba(241, 237, 225, .06);--on-accent: #131511;--subject-tint: var(--v3-foundation-tint);--subject-ink: var(--v3-foundation-ink)}.app.higher-tier{--accent: var(--v3-higher);--accent-strong: var(--v3-higher-ink);--subject-tint: var(--v3-higher-tint);--subject-ink: var(--v3-higher-ink);--accent-wash: var(--v3-higher-tint)}.app.english-tier,.app[data-subject=english]{--accent: var(--v3-english);--accent-strong: var(--v3-english-ink);--subject-tint: var(--v3-english-tint);--subject-ink: var(--v3-english-ink);--accent-wash: var(--v3-english-tint)}html{scroll-behavior:smooth}body{background-color:var(--v3-paper)!important;background-image:none!important;color:var(--v3-ink);font-family:var(--v3-font-body);line-height:1.6;font-size:16px}h1,h2,h3,.stat-num,.score-num,.timer-value,.expertise-seal strong{font-family:var(--v3-font-display);letter-spacing:-.015em;line-height:1.05;text-wrap:balance}.page h1,.page-head h1,.panel h1,.login-card h1,.page h2,.panel h2,.login-card h2,.reward-dialog h2,.page h3,.panel h3{font-family:var(--v3-font-display)!important}h1{font-size:clamp(2rem,1.4rem + 2.6vw,3.1rem);font-weight:560;margin:0 0 8px}h2{font-size:clamp(1.35rem,1.15rem + 1vw,1.8rem);font-weight:560}.sub,.stat-cap,.panel .sub{color:var(--v3-muted);max-width:68ch}.eyebrow,.section-label,.nav-group-label,.paper-type,.chip,.calc-badge{font-family:var(--v3-font-mono)!important;font-size:11px!important;font-weight:700!important;letter-spacing:.08em!important;text-transform:uppercase!important}.stat-num,.timer-value,.score-num,.answer-input,.q-num{font-variant-numeric:tabular-nums}::selection{background:var(--subject-tint);color:var(--subject-ink)}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--v3-focus)!important;outline-offset:3px;border-radius:6px}.skip-link{border-radius:var(--v3-r-pill)!important;font-family:var(--v3-font-mono)!important;background:var(--v3-ink)!important;color:var(--v3-paper)!important;border:none!important;box-shadow:var(--v3-shadow-md)}.app{min-height:100%;background:var(--v3-paper)}.sidebar{width:264px!important;background:var(--sidebar-bg)!important;border-right:1px solid var(--v3-line)!important;-webkit-backdrop-filter:blur(14px) saturate(1.3)!important;backdrop-filter:blur(14px) saturate(1.3)!important;padding:22px 14px!important;gap:18px!important;position:sticky;top:0;height:100vh;height:100dvh;overflow-y:auto;overscroll-behavior:contain}.logo{padding:2px 8px!important}.logo-icon{width:44px!important;height:44px!important;border-radius:14px!important;display:grid!important;place-items:center!important;background:var(--v3-ink)!important;color:var(--v3-paper)!important;font-family:var(--v3-font-display)!important;font-size:21px!important;font-weight:600!important;box-shadow:var(--v3-shadow-sm)}.app.higher-tier .logo-icon{background:var(--v3-higher)!important;color:#062e29!important}.app.english-tier .logo-icon{background:var(--v3-english)!important;color:#fff!important}:root[data-theme=dark] .app.english-tier .logo-icon{color:#1a1005!important}.logo-name{font-weight:800!important;font-size:16px!important;letter-spacing:-.01em!important}.logo-sub{font-family:var(--v3-font-mono)!important;font-size:10px!important}.subject-switch{min-height:44px!important;display:inline-flex!important;align-items:center!important;padding:6px 10px!important;border-radius:var(--v3-r-pill)!important;border:1px solid var(--v3-line)!important;background:var(--v3-surface)!important;font-weight:700!important;font-size:13px!important;margin:0 4px!important;transition:transform var(--v3-dur-1) var(--v3-ease-out),border-color var(--v3-dur-1)}.subject-switch:hover{border-color:var(--v3-line-strong);transform:translateY(-1px)}.nav-group-label{padding:14px 12px 4px!important;color:var(--v3-muted)!important}.nav-item{border-radius:var(--v3-r-md)!important;min-height:46px!important;border:1px solid transparent!important;font-weight:600!important;font-size:14.5px!important;transition:background var(--v3-dur-1) var(--v3-ease-out),transform var(--v3-dur-1) var(--v3-ease-out),border-color var(--v3-dur-1)}.nav-item:hover{background:var(--hover-wash)!important;border-color:var(--v3-line)!important;transform:translateY(-1px)}.nav-item.active{background:var(--subject-tint)!important;color:var(--subject-ink)!important;border-color:currentColor!important;box-shadow:var(--v3-shadow-sm)}.nav-icon{width:30px!important;height:30px!important;display:inline-grid!important;place-items:center!important;border-radius:10px!important;background:var(--v3-surface-2)!important;font-family:var(--v3-font-mono)!important;font-size:11px!important;font-weight:700!important}.nav-item.active .nav-icon{background:#fff9!important}:root[data-theme=dark] .nav-item.active .nav-icon{background:#00000040!important}.nav-badge{margin-left:auto;min-width:26px;height:26px;padding:0 8px;border-radius:var(--v3-r-pill);display:inline-grid;place-items:center;background:var(--v3-bad);color:#fff;font-family:var(--v3-font-mono);font-size:11px;font-weight:700}:root[data-theme=dark] .nav-badge{color:#1a0b0b;background:var(--v3-bad)}.sidebar-foot{display:flex;flex-direction:column;gap:8px;margin-top:auto}.theme-toggle,.sign-out{min-height:44px!important;border-radius:var(--v3-r-md)!important;border:1px solid var(--v3-line)!important;background:var(--v3-surface)!important;font-weight:600!important}.theme-toggle:hover,.sign-out:hover{border-color:var(--v3-line-strong)}.level-card{border:1px solid var(--v3-line)!important;border-radius:var(--v3-r-lg)!important;background:var(--v3-surface)!important;box-shadow:var(--v3-shadow-sm);padding:14px!important}.xp-bar{height:10px!important;border-radius:999px!important;background:var(--v3-surface-2)!important;overflow:hidden}.xp-fill{border-radius:999px!important;background:linear-gradient(90deg,var(--accent),var(--accent-strong))!important;transition:width var(--v3-dur-3) var(--v3-ease-out)}.streak-dot{box-shadow:0 0 0 3px var(--v3-good-wash)!important}.page{max-width:1160px!important;padding:40px 48px 90px!important;animation:v3-rise var(--v3-dur-3) var(--v3-ease-out) both}.page-head h1{text-wrap:balance}.page-head .sub{font-size:16px}.panel,.stat-card,.paper-card,.topic-card,.text-card,.docket,.continue-strip,.login-card,.reward-dialog,.chat-box,.q-card,.notes,.source-panel{border-radius:var(--v3-r-lg)!important;border:1px solid var(--v3-line)!important;background:var(--v3-surface)!important;box-shadow:var(--v3-shadow-sm)!important}.panel{padding:26px!important}.panel>h2:first-child{margin-top:0}.section-label{display:flex;align-items:center;gap:10px;margin:34px 0 12px!important;color:var(--v3-muted)}.section-label .section-num{min-width:36px;height:26px;padding:0 10px;border-radius:999px;display:inline-grid;place-items:center;background:var(--v3-ink)!important;color:var(--v3-paper)!important;font-family:var(--v3-font-mono);font-size:11px;font-weight:700;letter-spacing:.06em;flex-shrink:0}@media (max-width: 420px){.sidebar .logo>div{display:none!important}}.stat-row{gap:12px!important}.stat-card{padding:18px!important;transition:transform var(--v3-dur-2) var(--v3-ease-out),box-shadow var(--v3-dur-2)}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--v3-shadow-md)!important}.stat-num{font-size:2.1rem!important}.exam-countdown{display:inline-flex;align-items:center;gap:8px;margin-top:12px;padding:8px 14px;border-radius:var(--v3-r-pill);border:1px solid var(--v3-line);background:var(--v3-surface);font-weight:600;font-size:14px}.exam-countdown.soon{background:var(--v3-warn-wash);border-color:var(--v3-warn);color:var(--v3-ink)}.exam-countdown.urgent{background:var(--v3-bad-wash);border-color:var(--v3-bad);color:var(--v3-ink)}.continue-strip{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 20px!important;margin:18px 0;background:var(--subject-tint)!important;border-color:currentColor!important;animation:v3-rise var(--v3-dur-2) var(--v3-ease-out) both}.nextstep-card{overflow:hidden;position:relative;border-color:var(--v3-line-strong)!important;box-shadow:var(--v3-shadow-md)!important}.nextstep-card:before{content:"";position:absolute;inset:0 0 auto 0;height:6px;background:linear-gradient(90deg,var(--accent),var(--accent-strong))}.nextstep-card.tone-start{border-color:var(--accent)!important}.nextstep-card.tone-focus{border-color:var(--v3-warn)!important}.nextstep-top{display:flex;gap:20px;align-items:flex-start}.nextstep-ring{flex-shrink:0;width:88px;height:88px}.ring-bg{stroke:var(--v3-surface-2)}.ring-fg{stroke:var(--accent);transition:stroke-dashoffset var(--v3-dur-3) var(--v3-ease-out)}.nextstep-cta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.nextstep-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0 0;padding:0}.nextstep-facts>div{border:1px solid var(--v3-line);border-radius:var(--v3-r-md);padding:10px 14px;background:var(--v3-paper)}.nextstep-facts dt{font-family:var(--v3-font-mono);font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--v3-muted)}.nextstep-facts dd{margin:2px 0 0;font-weight:800;font-size:16px}.nextstep-weak ul{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:8px}.nextstep-weak-link{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--v3-line);border-radius:var(--v3-r-md);text-decoration:none;background:var(--v3-paper);transition:transform var(--v3-dur-1) var(--v3-ease-out),border-color var(--v3-dur-1)}.nextstep-weak-link:hover{transform:translateY(-1px);border-color:var(--v3-line-strong)}.strength{font-family:var(--v3-font-mono);font-size:11px;font-weight:700;padding:4px 10px;border-radius:var(--v3-r-pill);border:1px solid;white-space:nowrap}.strength-good{background:var(--v3-good-wash);border-color:var(--v3-good);color:var(--v3-ink)}.strength-mid{background:var(--v3-warn-wash);border-color:var(--v3-warn);color:var(--v3-ink)}.strength-low{background:var(--v3-bad-wash);border-color:var(--v3-bad);color:var(--v3-ink)}.strength-quiet{background:var(--v3-surface-2);border-color:var(--v3-line-strong);color:var(--v3-muted)}.v3-mastery{margin-top:16px;display:grid;gap:12px}.v3-mastery-row{display:grid;grid-template-columns:1fr auto;gap:6px 14px;align-items:center;padding:16px 18px;border:1px solid var(--v3-line);border-radius:var(--v3-r-md);background:var(--v3-paper);text-decoration:none;color:inherit;box-shadow:var(--v3-shadow-sm);transition:transform var(--v3-dur-1) var(--v3-ease-out),border-color var(--v3-dur-1),box-shadow var(--v3-dur-1)}a.v3-mastery-row:hover{transform:translateY(-1px);border-color:var(--v3-line-strong);box-shadow:var(--v3-shadow-sm)}.v3-mastery-name{font-weight:700}.v3-mastery-track{grid-column:1 / -1;height:8px;border-radius:999px;background:var(--v3-surface-2);overflow:hidden;position:relative}.v3-mastery-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--accent-strong));transition:width var(--v3-dur-3) var(--v3-ease-out)}.v3-mastery-meta{font-size:13px;color:var(--v3-muted)}.v3-stage{font-family:var(--v3-font-mono);font-size:11px;font-weight:700;padding:4px 10px;border-radius:var(--v3-r-pill);border:1px solid;text-transform:uppercase;letter-spacing:.06em}.v3-stage.mastered,.v3-stage.secure{background:var(--v3-good-wash);border-color:var(--v3-good)}.v3-stage.developing{background:var(--v3-warn-wash);border-color:var(--v3-warn)}.v3-stage.learning{background:var(--v3-bad-wash);border-color:var(--v3-bad)}.v3-stage.new{background:var(--v3-surface-2);border-color:var(--v3-line-strong);color:var(--v3-muted)}.v3-stage.revision{background:var(--v3-bad-wash);border-color:var(--v3-bad)}.btn,button.btn,a.btn{border-radius:var(--v3-r-md)!important;min-height:46px!important;padding:12px 20px!important;font-weight:700!important;font-size:15px!important;border:1px solid var(--v3-line-strong)!important;transition:transform var(--v3-dur-1) var(--v3-ease-out),box-shadow var(--v3-dur-1),background var(--v3-dur-1),border-color var(--v3-dur-1)!important;cursor:pointer}.btn:hover{transform:translateY(-1px);box-shadow:var(--v3-shadow-sm)}.btn:active{transform:scale(.98)}.btn-primary,button.btn-primary,a.btn-primary{background:var(--accent)!important;border-color:var(--accent-strong, var(--accent))!important;color:#fff!important;box-shadow:var(--v3-shadow-sm)!important}:root[data-theme=dark] .btn-primary{color:#101210!important}.btn-primary:hover{box-shadow:var(--v3-shadow-md)!important;filter:brightness(1.04)}input,select,textarea,.answer-input{border-radius:var(--v3-r-md)!important;border:1px solid var(--v3-line-strong)!important;background:var(--input-bg)!important;min-height:46px!important;font-size:16px!important}input:focus,select:focus,textarea:focus,.answer-input:focus{border-color:var(--accent)!important}.chip,.calc-badge,.paper-type{border-radius:var(--v3-r-pill)!important;border:1px solid var(--v3-line-strong)!important;padding:5px 12px!important;background:var(--v3-surface)!important}.calc-badge.yes{background:var(--v3-good-wash)!important;border-color:var(--v3-good)!important}.calc-badge.no{background:var(--v3-surface-2)!important}.papers-grid{gap:14px!important}.paper-card{padding:22px!important;transition:transform var(--v3-dur-2) var(--v3-ease-out),box-shadow var(--v3-dur-2)}.paper-card:hover{transform:translateY(-2px);box-shadow:var(--v3-shadow-md)!important}.paper-card.pick{border-top:6px solid var(--accent)!important}.q-card{padding:24px!important;animation:v3-rise var(--v3-dur-2) var(--v3-ease-out) both}.q-card.correct{border-color:var(--v3-good)!important;background:var(--v3-good-wash)!important;animation:v3-pop var(--v3-dur-2) var(--v3-ease-spring)}.q-card.wrong{border-color:var(--v3-bad)!important;background:var(--v3-bad-wash)!important;animation:v3-shake var(--v3-dur-3) var(--v3-ease-out)}.choice{border-radius:var(--v3-r-md)!important;border:1px solid var(--v3-line-strong)!important;min-height:52px!important;font-size:16px!important;transition:transform var(--v3-dur-1) var(--v3-ease-out),border-color var(--v3-dur-1),background var(--v3-dur-1)}.choice:hover{transform:translateY(-1px);border-color:var(--accent)}.choice.selected{background:var(--subject-tint)!important;border-color:var(--accent)!important}.exam-bar{border-radius:var(--v3-r-lg)!important;border:1px solid var(--v3-line-strong)!important;background:var(--v3-surface)!important;box-shadow:var(--v3-shadow-sm)!important;position:sticky;top:12px;z-index:20}.timer-value{font-family:var(--v3-font-display)!important}.week-plan{gap:10px!important}.week-plan>*{border-radius:var(--v3-r-md)!important}.evidence-chip{border-radius:var(--v3-r-pill)!important}.mistake-card,.plan-day,.summary-card{border-radius:var(--v3-r-lg)!important}.chat-box{overflow:hidden}.chat-msg{border-radius:var(--v3-r-md)!important;animation:v3-rise var(--v3-dur-2) var(--v3-ease-out) both}.command-palette,.palette-dialog{border-radius:var(--v3-r-lg)!important;box-shadow:var(--v3-shadow-lg)!important}.expertise-path{overflow:hidden}.expertise-track{height:10px!important;border-radius:999px!important;background:var(--v3-surface-2)!important}.expertise-track>span{border-radius:999px!important;background:linear-gradient(90deg,var(--accent),var(--accent-strong))!important}.expertise-seal{border-radius:50%!important;background:var(--v3-ink)!important;color:var(--v3-paper)!important;box-shadow:var(--v3-shadow-sm)}.reward-backdrop{background:var(--overlay)!important;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.reward-dialog{box-shadow:var(--v3-shadow-lg)!important;animation:v3-pop var(--v3-dur-3) var(--v3-ease-spring) both}.reward-stamp{border-radius:50%!important}.login-card{padding:32px!important;box-shadow:var(--v3-shadow-md)!important}.login-card h1{font-family:var(--v3-font-display)}@keyframes v3-rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@keyframes v3-pop{0%{opacity:0;transform:scale(.96)}60%{transform:scale(1.015)}to{opacity:1;transform:none}}@keyframes v3-shake{0%,to{transform:none}25%{transform:translate(-4px)}50%{transform:translate(4px)}75%{transform:translate(-2px)}}@keyframes v3-fill{0%{width:0}}@media (max-width: 1100px) and (min-width: 761px){.page{padding:32px 28px 90px!important}.sidebar{width:76px!important;padding:16px 10px!important}.sidebar .logo-name,.sidebar .logo-sub,.sidebar .nav-label,.sidebar .subject-switch-label,.sidebar .sign-out-label,.sidebar .sign-out-user,.sidebar .theme-toggle span:last-child,.sidebar .level-card,.sidebar .palette-slot,.sidebar .nav-group-label{display:none!important}.nav-item,.subject-switch,.theme-toggle,.sign-out{justify-content:center!important}}@media (max-width: 760px){body{font-size:16px}.page{padding:20px 16px 120px!important}.sidebar{position:sticky!important;top:0!important;z-index:100!important;display:flex!important;flex-direction:row!important;flex-wrap:nowrap!important;align-items:center!important;gap:8px!important;width:100%!important;min-height:56px!important;height:auto!important;padding:8px 12px!important;border-right:none!important;border-bottom:1px solid var(--v3-line-strong)!important;border-radius:0!important;background:var(--v3-surface)!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important}.sidebar .logo{display:flex!important;align-items:center!important;margin-right:auto!important;padding:0!important}.sidebar .logo>div{display:block!important}.sidebar .logo-name{display:block!important;font-size:15px!important}.sidebar .logo-sub{display:none!important}.sidebar .logo-icon{width:34px!important;height:34px!important;font-size:18px!important;border-radius:10px!important}.sidebar .subject-switch{display:inline-flex!important;align-self:center!important;width:44px!important;min-height:44px!important;padding:0!important;margin:0!important;justify-content:center!important}.sidebar .subject-switch-label{display:none!important}.sidebar-foot{display:contents!important}.sidebar .level-card,.sidebar .bank-note,.sidebar .palette-slot,.sidebar .shell-foot-links,.sidebar .nav-group-label{display:none!important}.sidebar .theme-toggle{display:inline-flex!important;width:44px!important;min-height:44px!important;padding:0!important;justify-content:center!important;align-items:center!important}.sidebar .theme-toggle span:last-child{display:none!important}.sidebar .sign-out{display:inline-flex!important;min-height:44px!important;min-width:44px!important;padding:0 10px!important;align-items:center!important;white-space:nowrap!important}.sidebar .sign-out-user{display:none!important}.sidebar nav{position:fixed!important;left:0!important;right:0!important;bottom:0!important;z-index:100!important;display:flex!important;flex-direction:row!important;align-items:stretch!important;width:100%!important;gap:0!important;padding:4px 4px calc(4px + env(safe-area-inset-bottom,0px))!important;border-top:1px solid var(--v3-line-strong)!important;background:var(--sidebar-bg)!important;-webkit-backdrop-filter:blur(14px) saturate(150%)!important;backdrop-filter:blur(14px) saturate(150%)!important}.nav-item{flex:1 1 0!important;flex-direction:column!important;gap:3px!important;min-height:56px!important;min-width:0!important;padding:5px 2px!important;font-size:10px!important;border-radius:10px!important;justify-content:center!important}.nav-icon{width:26px!important;height:26px!important;font-size:12px!important}.nav-item.active:before{content:"";position:absolute;top:0;left:50%;transform:translate(-50%);width:26px;height:3px;border-radius:999px;background:currentColor}.nextstep-top{flex-direction:column}.nextstep-ring{width:72px;height:72px}.nextstep-facts{grid-template-columns:1fr 1fr 1fr}.stat-row{grid-template-columns:1fr 1fr!important}.mobile-palette-btn{display:inline-grid!important;min-width:44px!important;min-height:44px!important}.exam-bar{top:8px}.btn,button.btn,a.btn{min-height:50px!important}}@media (min-width: 761px){.mobile-palette-btn{display:none!important}}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.page,.q-card,.chat-msg,.continue-strip{animation:none!important}}@media (prefers-contrast: more){:root{--v3-line-strong: #55503f}.panel,.stat-card,.paper-card,.q-card{border-width:2px!important}}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.mastery-leader[hidden]{display:none!important}:root{color-scheme:light;--v4-indigo: #4338ca;--v4-indigo-ink: #232058;--v4-indigo-wash: #e6e3ff;--v4-teal: #0f766e;--v4-teal-ink: #113b36;--v4-teal-wash: #d5efe7;--v4-amber: #b45309;--v4-amber-ink: #452a0b;--v4-amber-wash: #f8e7c9;--v4-rose: #be185d;--v4-rose-ink: #4a0d2b;--v4-rose-wash: #fbdeeb;--v4-violet: #7c3aed;--v4-violet-ink: #2e1065;--v4-violet-wash: #ece4ff;--v4-blue: #1d4ed8;--v4-blue-wash: #dfe8fb;--v4-pop: 7px 8px 0 var(--v4-pop-ink, rgba(25, 28, 23, .16));--v4-pop-sm: 4px 4px 0 var(--v4-pop-ink, rgba(25, 28, 23, .16));--v4-pop-ink: rgba(25, 28, 23, .16);--v4-sticker-border: #191c17;--v4-scrawl: "Caveat", "Segoe Print", "Comic Sans MS", cursive}:root[data-theme=dark]{--v4-indigo: #a5b4fc;--v4-indigo-ink: #e0e7ff;--v4-indigo-wash: rgba(99, 102, 241, .2);--v4-teal: #5eead4;--v4-teal-ink: #ccfbf1;--v4-teal-wash: rgba(45, 212, 191, .16);--v4-amber: #fbbf24;--v4-amber-ink: #fef3c7;--v4-amber-wash: rgba(251, 191, 36, .15);--v4-rose: #f9a8d4;--v4-rose-ink: #fce7f3;--v4-rose-wash: rgba(244, 114, 182, .16);--v4-violet: #c4b5fd;--v4-violet-ink: #ede9fe;--v4-violet-wash: rgba(139, 92, 246, .18);--v4-blue: #93c5fd;--v4-blue-wash: rgba(147, 197, 253, .16);--v4-pop: 7px 8px 0 rgba(0, 0, 0, .42);--v4-pop-sm: 4px 4px 0 rgba(0, 0, 0, .42);--v4-pop-ink: rgba(0, 0, 0, .42);--v4-sticker-border: #3d4136}.app.foundation-tier{--accent: var(--v4-indigo);--accent-strong: var(--v4-indigo-ink);--subject-tint: var(--v4-indigo-wash);--subject-ink: var(--v4-indigo-ink);--accent-wash: var(--v4-indigo-wash)}h1,h2,.stat-num,.score-num,.timer-value,.expertise-seal strong,.v3-mastery-name,.adhoc-cta-title,.paper-type{font-variation-settings:"SOFT" 70,"WONK" 1}.v3-dashboard h1{font-weight:620}.v3-dashboard h2{font-weight:580}.v3-dashboard .page-head{display:flex;align-items:flex-start;gap:16px}.v3-dashboard .page-head h1{display:inline;margin:6px 0 10px;font-size:clamp(2.1rem,1.3rem + 3vw,3.3rem);background:linear-gradient(180deg,transparent 64%,var(--subject-tint) 64%,var(--subject-tint) 96%,transparent 96%);-webkit-box-decoration-break:clone;box-decoration-break:clone;padding:0 6px}.v3-dashboard .page-head .sub{font-size:16.5px;margin:0 0 14px}.dash-head-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.head-chip{border-radius:var(--v3-r-pill)!important;border:1.5px dashed var(--v3-line-strong)!important;background:var(--v3-surface)!important;font-family:var(--v3-font-mono)!important;font-size:11px!important;font-weight:700!important;letter-spacing:.06em!important;text-transform:uppercase!important;padding:8px 14px!important;min-height:34px;display:inline-flex;align-items:center;color:var(--v3-muted)!important}.dot-live{box-shadow:0 0 0 4px var(--v3-good-wash)!important}.exam-countdown{border:1.5px solid var(--v3-line)!important;padding:9px 16px!important;font-weight:700}.exam-countdown.settled{border-color:var(--v3-good)!important;background:var(--v3-good-wash)!important;color:var(--v3-ink)!important}.exam-countdown.soon{border-color:var(--v3-warn)!important;background:var(--v3-amber-wash)!important;color:var(--v4-amber-ink)!important}.exam-countdown.urgent{border-color:var(--v3-bad)!important;background:var(--v3-bad-wash)!important;color:var(--v3-ink)!important}.v3-dashboard .section-label{margin:42px 0 14px!important;color:var(--v3-ink);gap:12px}.v3-dashboard .section-label:after{content:"";flex:1;border-top:2px dashed var(--v3-line);margin-left:6px}.v3-dashboard .section-label .section-num{transform:rotate(-2deg);background:var(--subject-tint)!important;color:var(--subject-ink)!important;border:1.5px solid currentColor;box-shadow:var(--v4-pop-sm);min-width:40px;height:28px}.v3-dashboard .section-label{font-size:12.5px!important;font-weight:700!important}.continue-strip{border:2px dashed var(--v3-line-strong)!important;border-radius:var(--v3-r-md)!important;background:var(--subject-tint)!important;position:relative;padding:18px 22px!important;margin:20px 0 4px!important}.continue-strip:before{content:"";position:absolute;top:-10px;left:26px;width:58px;height:18px;background:var(--v3-surface);border:1px solid var(--v3-line);transform:rotate(-3deg);opacity:.9;pointer-events:none}.continue-strip strong{font-family:var(--v3-font-display);font-size:17px;font-weight:600}.v3-dashboard .nextstep-card{border:2px solid var(--v3-ink)!important;border-radius:22px!important;box-shadow:var(--v4-pop)!important;padding:26px!important}.nextstep-card:before{height:8px!important}.nextstep-card.tone-urgent{border-color:var(--v3-bad)!important}.nextstep-hero{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:26px;align-items:start}.nextstep-copy{min-width:0}.nextstep-copy .eyebrow{color:var(--subject-ink);font-size:11.5px}.nextstep-copy h2{font-size:clamp(1.6rem,1.2rem + 1.8vw,2.4rem);margin:6px 0 8px;text-wrap:balance}.nextstep-copy .sub{font-size:16px}.nextstep-cta-row{margin-top:16px}.hero-scrawl{margin:14px 0 0;font-family:var(--v4-scrawl);font-size:21px;line-height:1.2;color:var(--subject-ink);transform:rotate(-1.2deg);width:fit-content}.nextstep-side{flex-shrink:0;text-align:center}.nextstep-ring{width:104px;height:104px;margin:0 auto}.nextstep-ring svg{width:100%;height:100%}.nextstep-ring .ring-bg{stroke:var(--v3-surface-2);stroke-dasharray:3 6}.nextstep-ring .ring-fg{stroke-width:9}.nextstep-ring text{font-family:var(--v3-font-display);font-variation-settings:"SOFT" 70,"WONK" 1}.nextstep-ring-cap{display:block;margin-top:6px;font-family:var(--v3-font-mono);font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--v3-muted)}.nextstep-facts{gap:12px!important;margin-top:22px!important}.nextstep-facts>div{background:var(--v3-surface);border:1.5px solid var(--v3-line-strong)!important;border-radius:var(--v3-r-md);box-shadow:var(--v4-pop-sm);padding:12px 16px 10px}.nextstep-facts>div:nth-child(1){transform:rotate(-1.1deg)}.nextstep-facts>div:nth-child(2){transform:rotate(.7deg)}.nextstep-facts>div:nth-child(3){transform:rotate(-.5deg)}.nextstep-facts dt{font-size:10px}.nextstep-facts dd{font-family:var(--v3-font-display);font-size:19px;font-weight:600;font-variant-numeric:tabular-nums}.nextstep-weak{margin-top:22px;border-top:2px dashed var(--v3-line);padding-top:16px}.nextstep-weak .eyebrow{color:var(--v3-muted)}.nextstep-weak-link{border-radius:var(--v3-r-md)!important;border:1.5px solid var(--v3-line)!important;background:var(--v3-surface);padding:13px 16px!important}.nextstep-weak-link:hover{border-color:var(--v3-line-strong)!important;transform:translateY(-2px)}.nextstep-weak-name{font-weight:700}.v3-dashboard .stat-row{gap:14px!important}.v3-dashboard .stat-card{border:1.5px solid var(--v3-line-strong)!important;border-radius:var(--v3-r-lg)!important;padding:18px 20px!important;gap:6px;transition:transform var(--v3-dur-2) var(--v3-ease-out),box-shadow var(--v3-dur-2) var(--v3-ease-out)}.v3-dashboard .stat-card:hover{transform:translateY(-3px) rotate(-.4deg);box-shadow:var(--v4-pop-sm)!important}.v3-dashboard .stat-num{font-size:2.5rem!important;font-weight:620}.v3-dashboard .stat-label{font-family:var(--v3-font-mono);font-size:11px!important;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--v3-ink)}.v3-dashboard .stat-cap{font-size:13px;line-height:1.5;color:var(--v3-muted)}.stat-card.tone-paper{background:var(--v4-indigo-wash);border-color:var(--v4-indigo)!important}.stat-card.tone-paper .stat-num{color:var(--v4-indigo-ink)}.stat-card.tone-score{background:var(--v4-rose-wash);border-color:var(--v4-rose)!important}.stat-card.tone-score .stat-num{color:var(--v4-rose-ink)}.stat-card.tone-answered{background:var(--v4-teal-wash);border-color:var(--v4-teal)!important}.stat-card.tone-answered .stat-num{color:var(--v4-teal-ink)}.stat-card.tone-streak{background:var(--v4-amber-wash);border-color:var(--v4-amber)!important}.stat-card.tone-streak .stat-num{color:var(--v4-amber-ink)}:root[data-theme=dark] .v3-dashboard .stat-card .stat-num{color:inherit}:root[data-theme=dark] .stat-card.tone-paper .stat-num{color:var(--v4-indigo-ink)}:root[data-theme=dark] .stat-card.tone-score .stat-num{color:var(--v4-rose-ink)}:root[data-theme=dark] .stat-card.tone-answered .stat-num{color:var(--v4-teal-ink)}:root[data-theme=dark] .stat-card.tone-streak .stat-num{color:var(--v4-amber-ink)}.v3-dashboard .study-grid{gap:16px}.mission-card{border:2px solid var(--v3-ink)!important;border-left:2px solid var(--v3-ink)!important;border-radius:var(--v3-r-lg)!important;background:var(--subject-tint)!important;box-shadow:var(--v4-pop)!important}.mission-card .eyebrow{color:var(--subject-ink)}.mission-card h2{font-size:clamp(1.35rem,1.1rem + 1.2vw,1.85rem)}.mission-card.mission-done{border-color:var(--v3-good)!important;background:var(--v3-good-wash)!important}.mission-card.mission-done .eyebrow{color:var(--v3-good)}.readiness-card{border:1.5px solid var(--v3-line-strong)!important;border-radius:var(--v3-r-lg)!important;background:var(--v3-surface)}.readiness-number{font-family:var(--v3-font-display);font-variation-settings:"SOFT" 70,"WONK" 1;font-weight:620;color:var(--subject-ink)}.plan-card{border:1.5px solid var(--v3-line-strong)!important;border-radius:var(--v3-r-lg)!important;background:var(--v3-surface)}.plan-head h2{font-size:1.35rem}.pass-toggle{border:1.5px solid var(--subject-ink)!important;border-radius:var(--v3-r-md);background:var(--subject-tint)}.study-actions .btn,.plan-head input{border-radius:var(--v3-r-md)!important}.week-plan{gap:8px!important;border:0!important;background:transparent!important}.week-plan>*{border:1.5px solid var(--v3-line)!important;border-radius:var(--v3-r-md)!important;background:var(--v3-surface)!important;padding:12px 11px!important;position:relative}.week-plan b{font-family:var(--v3-font-mono);font-size:10px!important;letter-spacing:.09em;color:var(--v3-muted)!important}.week-plan span{font-size:12.5px!important;font-weight:600}.week-plan small{font-size:10.5px!important}.week-plan a{color:var(--v3-ink)}.week-plan a:hover{border-color:var(--accent)!important;transform:translateY(-2px)}.week-plan a.done{background:var(--v3-good-wash)!important;border-color:var(--v3-good)!important}.week-plan a.done b,.week-plan a.done small{color:var(--v3-good)!important}.week-plan [title="Today's mission"]{border:2px solid var(--accent)!important;background:var(--subject-tint)!important;box-shadow:var(--v4-pop-sm)}.week-plan [title="Today's mission"] b{color:var(--subject-ink)!important}.week-plan [title="Today's mission"] small{color:var(--subject-ink)!important;font-weight:800}.week-plan .locked{border-style:dashed!important;background:transparent!important;color:var(--v3-muted)}.week-plan .locked small{color:var(--v3-muted)!important}.week-plan .past{opacity:.62}.week-plan .past span{text-decoration:line-through}.week-plan .past small{color:var(--v3-muted)!important}.week-plan .rest-day{background:var(--v4-indigo-wash)!important;border-style:dashed!important}.week-plan .rest-day b{color:var(--v4-indigo-ink)!important}.week-plan .rest-day span:after{content:" ☾"}.week-plan .rest-day small{color:var(--v4-indigo-ink)!important}.week-plan .move-target{border:2px dashed var(--accent)!important;border-radius:var(--v3-r-md)!important;background:var(--subject-tint)!important;color:var(--subject-ink);text-align:left;cursor:pointer;font:inherit}.week-plan .move-target b{color:var(--subject-ink)!important}.week-plan .move-target:hover{transform:translateY(-2px)}.week-track{gap:6px!important;margin-top:12px}.week-track i{height:8px!important}.week-track i.done{background:var(--v3-good)!important}.week-track i.today{background:var(--accent)!important}.plan-note{font-size:12.5px!important}.plan-note.error{color:var(--v3-bad)!important;font-weight:600}.evidence-strip{gap:12px!important;margin-top:16px!important}.evidence-chip{border:1.5px solid var(--v3-line-strong)!important;border-radius:var(--v3-r-md)!important;background:var(--v3-surface)!important;padding:12px 16px!important;gap:12px;transition:transform var(--v3-dur-1) var(--v3-ease-out),border-color var(--v3-dur-1)}.evidence-chip:hover{transform:translateY(-2px);border-color:var(--v3-line-strong)!important}.evidence-chip b{font-family:var(--v3-font-display);font-size:24px;font-weight:620;font-variant-numeric:tabular-nums}.evidence-chip span{font-size:12px;color:var(--v3-muted)}.evidence-chip.due{background:var(--v3-bad-wash)!important;border-color:var(--v3-bad)!important}.evidence-chip.due b{color:var(--v3-bad)}.evidence-chip.due span{color:var(--v3-ink)}.evidence-chip.mastered{background:var(--v3-good-wash)!important;border-color:var(--v3-good)!important}.evidence-chip.mastered b{color:var(--v3-good)}.evidence-chip.mastered span{color:var(--v3-ink)}.mastery-legend{display:flex;flex-wrap:wrap;gap:8px 14px;margin:4px 0}.mastery-legend>span{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--v3-muted)}.v3-dashboard .v3-mastery{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px!important;margin-top:14px}.v3-mastery-row{border:1.5px solid color-mix(in srgb,var(--strand, var(--accent)) 45%,var(--v3-line))!important;border-radius:var(--v3-r-md)!important;background:color-mix(in srgb,var(--strand, var(--accent)) 6%,var(--v3-surface))!important;gap:8px 12px!important;align-content:start;transition:transform var(--v3-dur-1) var(--v3-ease-out),box-shadow var(--v3-dur-1)}a.v3-mastery-row:hover{transform:translateY(-2px);box-shadow:var(--v4-pop-sm)}.v3-mastery-name{display:inline-flex;align-items:center;gap:9px;font-size:16px;font-weight:650}.strand-dot{width:12px;height:12px;flex:0 0 auto;border-radius:50%;border:2px solid var(--v3-surface);box-shadow:0 0 0 1.5px color-mix(in srgb,var(--strand, var(--accent)) 60%,transparent)}.v3-mastery-track{height:10px!important;background:color-mix(in srgb,var(--strand, var(--accent)) 14%,var(--v3-surface-2))!important}.v3-mastery-fill{background:var(--strand, var(--accent))!important}.v3-mastery-meta{font-size:12.5px}.v3-stage{border-width:1.5px!important;font-size:10.5px!important}.v3-dashboard .papers-grid{gap:16px!important}.paper-card{border:1.5px solid var(--v3-line-strong)!important;border-radius:var(--v3-r-lg)!important;transition:transform var(--v3-dur-2) var(--v3-ease-out),box-shadow var(--v3-dur-2) var(--v3-ease-out)}.paper-card:hover{transform:translateY(-3px) rotate(-.3deg)!important;box-shadow:var(--v4-pop-sm)!important}.paper-card.pick{border-top:5px solid var(--accent)!important}.paper-type{font-size:21px!important;font-weight:620;letter-spacing:-.01em;color:var(--v3-ink);text-transform:none}.paper-desc{font-size:14px;line-height:1.55}.paper-meta-line{font-family:var(--v3-font-mono);font-size:11px!important;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--v3-muted)}.paper-actions{margin-top:14px;padding-top:16px;border-top:2px dashed var(--v3-line)}.calc-badge{font-family:var(--v3-font-mono);font-size:10.5px!important}.calc-badge.yes{background:var(--v3-good-wash)!important;color:var(--v3-ink)}.calc-badge.no{background:var(--v4-amber-wash)!important;border-color:var(--v4-amber)!important;color:var(--v4-amber-ink)}.adhoc-cta{border:2px dashed var(--subject-ink)!important;border-radius:var(--v3-r-md)!important;background:var(--subject-tint)!important;padding:18px 20px!important;margin-top:16px}.adhoc-cta-title{font-size:19px!important;font-weight:620;color:var(--subject-ink)}.v3-dashboard .expertise-path{border:1.5px solid var(--v3-line-strong)!important;border-left:1.5px solid var(--v3-line-strong)!important}.expertise-seal{background:var(--accent)!important;color:var(--on-accent, #fff)!important;border:2px solid var(--v3-ink)!important;outline:2px dashed var(--v3-surface)!important;outline-offset:-7px!important;box-shadow:var(--v4-pop-sm);transform:rotate(-2deg)}:root[data-theme=dark] .expertise-seal{color:#131511!important;border-color:var(--v3-line-strong)}.expertise-seal strong{font-size:34px!important}.expertise-head h2{font-size:clamp(1.7rem,1.3rem + 1.6vw,2.3rem)}.expertise-track{height:12px!important;border:1.5px solid var(--v3-line-strong)!important;border-radius:999px!important}.expertise-track>span{background:linear-gradient(90deg,var(--accent),var(--accent-strong))!important}.badge-collection{border:0!important;background:transparent!important;gap:10px!important;grid-template-columns:repeat(auto-fill,minmax(196px,1fr));margin-top:14px}.expertise-badge{border:1.5px solid var(--v3-line)!important;border-radius:var(--v3-r-md)!important;background:var(--v3-surface)!important;min-height:64px!important}.expertise-badge.locked{border-style:dashed!important;background:transparent!important}.expertise-badge.unlocked{border-color:var(--v3-line-strong)!important}.expertise-badge-number{border-radius:50%!important;border:1.5px solid var(--v3-line-strong)!important;font-family:var(--v3-font-display)!important;font-variation-settings:"SOFT" 70,"WONK" 1;transform:rotate(-3deg)}.expertise-badge.unlocked .expertise-badge-number{border-color:var(--accent)!important;background:var(--subject-tint)!important;color:var(--subject-ink)!important}.memri-card{border:1.5px solid var(--v3-good)!important;border-left:1.5px solid var(--v3-good)!important;border-radius:var(--v3-r-lg)!important;background:color-mix(in srgb,var(--v3-good) 7%,var(--v3-surface))!important;margin-top:16px}.memri-card .eyebrow{color:var(--v3-good)}.milestone-shelf{margin-top:16px}.milestone-list{gap:10px!important}.milestone{border:1.5px solid var(--v3-line)!important;border-radius:var(--v3-r-md)!important;background:var(--v3-surface)!important;padding:12px 14px!important}.milestone.reached{border-color:var(--v4-amber)!important;background:var(--v4-amber-wash)!important}.milestone-seal{width:40px;height:40px;display:inline-grid;place-items:center;border-radius:50%;background:var(--v3-surface);border:1.5px solid var(--v4-amber);color:var(--v4-amber-ink);font-size:17px;transform:rotate(-6deg);box-shadow:var(--v4-pop-sm)}:root[data-theme=dark] .milestone-seal{color:var(--v4-amber)}.milestone-text strong{font-size:15px}.onboarding-card{border:2px dashed var(--subject-ink)!important;border-left:2px dashed var(--subject-ink)!important;border-radius:var(--v3-r-lg)!important;background:var(--subject-tint);margin-bottom:20px}.onboarding-card .eyebrow{color:var(--subject-ink)}.onboarding-card h2{font-size:1.5rem}.onboarding-card input[type=date]{border-radius:var(--v3-r-md)!important}.empty-state{border:2px dashed var(--v3-line-strong);border-radius:var(--v3-r-md);padding:26px}.v3-dashboard .skeleton-block{border-radius:var(--v3-r-md)}.suggest-chip{border-radius:var(--v3-r-pill)!important;min-height:38px;font-weight:700;font-size:13px}.suggest-chip.on{background:var(--subject-tint)!important;border-color:var(--subject-ink)!important;color:var(--subject-ink)!important}@media (max-width: 960px){.nextstep-hero{grid-template-columns:1fr}.nextstep-side{display:flex;align-items:center;gap:14px;text-align:left}.nextstep-ring{width:84px;height:84px;margin:0}.nextstep-ring-cap{margin-top:0}.nextstep-facts{gap:10px!important}.nextstep-facts>div{transform:none!important}.v3-dashboard .v3-mastery{grid-template-columns:1fr}}@media (max-width: 760px){.v3-dashboard .page-head h1{font-size:clamp(1.9rem,1.3rem + 3.4vw,2.5rem)}.v3-dashboard .section-label{margin:34px 0 12px!important}.v3-dashboard .nextstep-card{padding:20px!important}.mission-card,.v3-dashboard .nextstep-card{box-shadow:5px 6px 0 var(--v4-pop-ink)!important}.hero-scrawl{font-size:19px}.stat-num{font-size:2.1rem!important}.paper-actions{align-items:stretch}.paper-actions .btn{flex:1 1 auto}.continue-strip:before{left:16px}}@media (max-width: 420px){.nextstep-facts{grid-template-columns:1fr!important}.dash-head-meta{align-items:flex-start}.v3-dashboard .stat-card{padding:16px!important}}@media (prefers-reduced-motion: reduce){.nextstep-facts>div,.section-label .section-num,.expertise-seal,.milestone-seal,.expertise-badge-number{transform:none!important}.v3-dashboard .stat-card:hover,.paper-card:hover,.week-plan a:hover,.nextstep-weak-link:hover,.evidence-chip:hover,a.v3-mastery-row:hover{transform:none!important}}@media print{.mission-card,.v3-dashboard .nextstep-card{box-shadow:none!important}.nextstep-facts>div,.section-label .section-num,.expertise-seal{transform:none!important}}