:root{--bg:#f5f3ed;--card:#fffefa;--ink:#1d302d;--muted:#67766d;--line:#dfE4da;--green:#143e38;--green2:#296454;--soft:#e8eee4;--gold:#f2c66b;--orange:#a45432;--danger:#a43737;--danger-bg:#fff0ec;--shadow:0 8px 30px #143e3807;--radius:20px;--base:17px;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:var(--base)/1.6 system-ui,-apple-system,"Segoe UI","Nirmala UI",sans-serif}body.dark{--bg:#14221f;--card:#1b2d28;--ink:#edf1e8;--muted:#b1c0b6;--line:#354b40;--green:#c3e0c4;--green2:#b7d4b7;--soft:#2a4034;--gold:#e8bb64;--danger:#ffaaa0;--danger-bg:#472d2b;color-scheme:dark}a{color:var(--green2);text-underline-offset:4px}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #b17c20;outline-offset:4px}button[hidden],[hidden]{display:none!important}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(29px,3vw,42px);letter-spacing:-1.3px;line-height:1.15;margin-bottom:15px}h2{font-size:23px;letter-spacing:-.5px;line-height:1.3}h3{font-size:18px;line-height:1.35}p{margin-bottom:15px}.app-shell{display:grid;grid-template-columns:235px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100dvh;padding:30px 20px;background:var(--card);border-right:1px solid var(--line);display:flex;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;color:var(--green);text-decoration:none;font-weight:800;font-size:22px;line-height:1.2;margin:5px 6px 48px}.brand small{display:block;font-size:9px;letter-spacing:2px;margin-top:7px}.brand-icon{display:grid;place-items:center;width:39px;height:46px;background:var(--gold);color:#143e38;border-radius:10px;font-size:29px}.sidebar nav{display:grid;gap:8px}.nav-link{display:flex;align-items:center;gap:12px;padding:13px 15px;min-height:50px;text-decoration:none;color:var(--muted);border-radius:12px;font-weight:600;font-size:15px}.nav-link.active{background:var(--soft);color:var(--green)}.nav-icon{width:23px;text-align:center;font-size:21px;font-weight:400}.side-bottom{margin-top:auto;padding:22px 6px 0;font-size:12px;color:var(--muted)}.side-bottom p{font-size:11px;margin-top:6px}.live-dot{display:inline-block;width:7px;height:7px;background:#5d8c56;border-radius:50%;margin-right:7px}.topbar{min-height:88px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:18px 42px;gap:12px;color:var(--muted);font-size:14px}.top-actions{display:flex;align-items:center;gap:12px}.mobile-brand{display:none}.status-chip{font-size:12px;white-space:nowrap}.icon-btn{border:1px solid var(--line);background:var(--card);color:var(--ink);min-height:44px;min-width:44px;border-radius:50%;font-size:23px}.workspace{min-width:0}main{padding:40px 42px 50px;max-width:1420px;margin:auto;min-height:70vh}.app-footer{padding:10px 42px 30px;color:var(--muted);font-size:12px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:var(--green2);margin-bottom:12px}.muted{color:var(--muted)}.small{font-size:13px}.tiny{font-size:11px}.lead{font-size:17px;color:var(--muted);max-width:640px}.hero{background:var(--green);color:var(--bg);padding:32px;border-radius:var(--radius);display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;position:relative;overflow:hidden}.hero .eyebrow,.hero .muted{color:#c9dbc6}.hero h2{color:#fffef4;font-size:30px;margin-bottom:12px}.hero p{max-width:560px;color:#d1dfd0}.hero-visual{width:140px;height:140px;border-radius:50%;border:1px solid #ffffff30;display:grid;place-items:center;position:relative;background:#ffffff08}.hero-visual span{font-size:46px;font-weight:300;color:#f2c66b}.hero-visual small{position:absolute;bottom:28px;font-size:9px;color:#c6d4be;letter-spacing:2px}.dark .hero{background:#244638;color:#edf1e8}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;border:1px solid transparent;padding:12px 20px;border-radius:11px;text-decoration:none;background:var(--green);color:var(--bg);font-weight:700;font-size:14px}.btn.gold{background:var(--gold);color:#263c2b}.btn.secondary{background:var(--card);color:var(--green);border-color:var(--line)}.btn.ghost{background:transparent;color:var(--green);border-color:var(--line)}.btn.danger{background:var(--danger-bg);color:var(--danger);border-color:var(--danger)}.btn.small{padding:8px 13px;min-height:42px;font-size:12px}.text-btn{border:0;padding:5px 0;background:transparent;color:var(--green2);text-decoration:underline;text-underline-offset:4px;font-size:inherit;text-align:left}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.stack{display:grid;gap:16px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:24px 0 35px}.stat{padding:20px 23px;background:var(--card);border:1px solid var(--line);border-radius:15px}.stat strong{display:block;font-size:30px;line-height:1.2;letter-spacing:-.8px}.stat span{font-size:12px;color:var(--muted)}.stat .mini{font-size:11px;margin-top:8px}.two-col{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,1fr);gap:23px}.card{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);padding:25px;box-shadow:var(--shadow)}.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px}.section-head h2{margin:0}.part-row{display:grid;grid-template-columns:42px 1fr auto;gap:14px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}.part-row:last-child{border:0;padding-bottom:0}.part-icon{width:42px;height:42px;border-radius:12px;background:var(--soft);display:grid;place-items:center;font-size:13px;font-weight:800;color:var(--green)}.part-row h3{margin:0 0 3px;font-size:16px}.part-row p{font-size:12px;margin:0;color:var(--muted)}.progress{height:6px;border-radius:10px;background:var(--soft);overflow:hidden;margin:10px 0}.progress>span{display:block;background:#5b835d;height:100%;border-radius:10px}.tag{display:inline-flex;padding:3px 9px;border-radius:6px;background:var(--soft);color:var(--green2);font-size:11px;font-weight:700}.tag.warn{background:#f7e6c3;color:#765121}.notice{padding:16px 18px;border-radius:12px;background:var(--soft);color:var(--ink);font-size:13px;margin:20px 0}.notice.warning{background:#fff0d4;color:#604a25}.dark .notice.warning{background:#45391e;color:#f1d9a7}.toolbar{display:flex;flex-wrap:wrap;align-items:end;gap:14px;padding:20px;background:var(--card);border:1px solid var(--line);border-radius:15px;margin:24px 0}.field{display:grid;gap:6px;min-width:140px;flex:1}.field label,.field>span{font-size:12px;color:var(--muted);font-weight:700}.field select,.field input,.field textarea,select.control,input.control{width:100%;border:1px solid var(--line);border-radius:9px;min-height:48px;background:var(--bg);color:var(--ink);padding:9px 12px;min-width:0}textarea{width:100%;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);padding:14px;resize:vertical;min-height:90px;font-size:17px}.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.topic-card{display:flex;flex-direction:column;padding:23px;border-radius:16px;border:1px solid var(--line);background:var(--card)}.topic-card h3{margin:10px 0;font-size:17px}.topic-card p{font-size:12px;color:var(--muted);margin-bottom:16px}.topic-card .btn{align-self:start;margin-top:auto}.topic-top{display:flex;align-items:center;justify-content:space-between}.empty{text-align:center;padding:50px 24px;color:var(--muted)}.empty h2{color:var(--ink)}.question-layout{max-width:1000px;margin:auto}.session-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}.timer{font-variant-numeric:tabular-nums;letter-spacing:.7px;font-weight:700;font-size:17px;color:var(--green)}.timer.urgent{color:var(--danger)}.question-card{border:1px solid var(--line);border-radius:20px;background:var(--card);padding:32px;margin-top:22px}.question-card h2{font-size:23px;line-height:1.65;font-weight:600;letter-spacing:0;white-space:pre-wrap;margin:22px 0}.question-card img{max-width:100%;max-height:200px;display:block;margin:auto;background:#fff;border-radius:12px;padding:10px}.question-card .question-ref{font-size:12px;color:var(--muted);overflow-wrap:anywhere}.question-type{font-size:12px;color:var(--muted)}.options{display:grid;gap:12px;margin:24px 0}.option{display:flex;gap:15px;align-items:start;width:100%;border:1px solid var(--line);background:var(--bg);padding:16px;border-radius:12px;text-align:left;color:var(--ink);font-size:18px;min-height:59px}.option b{min-width:29px;height:29px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;font-size:14px}.option.selected{border-color:#648a65;background:var(--soft)}.option.correct{border:2px solid #467745}.option.wrong{border:2px solid var(--danger);background:var(--danger-bg)}.answer-panel{margin-top:24px;padding:23px;border-radius:14px;border:1px solid #98b298;background:var(--soft)}.answer-panel h3{font-size:13px;text-transform:uppercase;letter-spacing:1px;margin-bottom:11px;color:var(--green)}.answer-text{white-space:pre-wrap;font-size:18px}.shortcut{border-top:1px solid var(--line);padding-top:17px;margin-top:20px}.shortcut p{font-size:15px;margin-bottom:0}.rating{display:flex;flex-wrap:wrap;gap:12px;margin-top:23px}.rating .btn{flex:1;min-width:140px}.question-actions{margin-top:24px;display:flex;gap:13px;align-items:center;justify-content:space-between;flex-wrap:wrap}.bookmark{background:transparent;border:1px solid var(--line);padding:7px 13px;border-radius:9px;min-height:44px;color:var(--green);font-size:14px}.bookmark.on{background:var(--gold);color:#243b2d;border-color:var(--gold)}.queue-dots{display:flex;gap:6px;flex-wrap:wrap;margin-top:25px;max-height:86px;overflow:auto}.queue-dot{border:1px solid var(--line);background:var(--card);color:var(--muted);width:31px;height:31px;border-radius:7px;font-size:11px;padding:0}.queue-dot.current{border:2px solid var(--green)}.queue-dot.done{background:var(--soft);color:var(--green)}.results-score{font-size:56px;font-weight:800;letter-spacing:-2px;line-height:1.2;margin:15px 0}.review-list{display:grid;gap:12px}.review-item{display:grid;grid-template-columns:1fr auto;gap:18px;border:1px solid var(--line);background:var(--card);padding:19px;border-radius:13px}.review-item h3{font-size:15px;margin:7px 0}.review-item p{font-size:12px;color:var(--muted);margin:0}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0}.tab{padding:10px 16px;border:1px solid var(--line);border-radius:24px;color:var(--green);background:var(--card);font-size:13px;font-weight:700;min-height:44px}.tab.active{background:var(--green);color:var(--bg)}.paper-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.paper-card h3{font-size:17px;margin:12px 0}.paper-card .source-name{font-size:12px;color:var(--muted)}.paper-card .row{margin-top:16px}.paper-card .btn{flex:1}.paper-question-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(51px,1fr));gap:8px;max-height:270px;overflow:auto;margin:20px 0;padding:5px}.paper-q{padding:9px 2px;border:1px solid var(--line);background:var(--soft);color:var(--green);border-radius:8px;font-size:12px;text-align:center;text-decoration:none}.day-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.day-card{background:var(--card);border:1px solid var(--line);padding:22px;border-radius:15px}.day-card.done{border-color:#7c9d75}.day-num{font-size:30px;font-weight:750;color:var(--green)}.day-card p{font-size:13px;margin:12px 0}.day-card strong{display:block;font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin:12px 0 4px}.day-check{display:flex;gap:8px;align-items:center;font-size:13px;cursor:pointer;margin-top:16px}.day-check input{width:21px;height:21px;accent-color:#296454}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.settings-grid h2{font-size:20px}.settings-grid p{font-size:14px}.settings-grid .btn{margin:6px 7px 6px 0}.file-input{position:absolute;left:-10000px}.inline-link{background:none;border:0;color:var(--green2);text-decoration:underline;font-size:inherit;padding:0;cursor:pointer}dialog{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:22px;max-width:760px;width:calc(100% - 36px);max-height:86dvh;overflow:auto;padding:28px;box-shadow:0 28px 100px #0005}dialog::backdrop{background:#10272199;backdrop-filter:blur(4px)}dialog h2{font-size:25px}dialog p,dialog li{font-size:15px}.dialog-head{display:flex;justify-content:space-between;gap:15px;align-items:start;margin-bottom:20px}.dialog-head h2{margin-bottom:0}.mobile-nav{display:none}#toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(100px);z-index:1000;background:#183d33;color:#fff;padding:13px 21px;border-radius:13px;box-shadow:0 8px 30px #0003;transition:transform .2s;max-width:90%;font-size:14px;pointer-events:none}#toast.show{transform:translateX(-50%) translateY(0)}.skip{position:fixed;top:-60px;left:10px;z-index:1000;background:#fff;color:#143e38;padding:12px}.skip:focus{top:10px}.metric-list{list-style:none;padding:0;margin:12px 0}.metric-list li{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}.note-editor{margin-top:22px}details summary{cursor:pointer;font-size:14px;color:var(--green)}.danger-zone{border-top:1px solid var(--line);margin-top:22px;padding-top:16px}.source-refs{font-size:12px;line-height:1.6}.source-refs a{display:inline-block;margin:3px 8px 3px 0}.welcome-line{display:flex;align-items:end;justify-content:space-between;margin-bottom:28px;gap:20px}.daily-pill{padding:9px 14px;font-size:11px;white-space:nowrap;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--muted)}.good{color:#568052}.ribbon{font-size:11px;background:var(--gold);color:#263d2c;padding:3px 9px;border-radius:7px}.library-meta{font-size:13px;color:var(--muted)}.kbd-note{font-size:12px;color:var(--muted)}
@media(min-width:1500px){main{padding-top:50px}.topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.paper-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:1100px){.app-shell{grid-template-columns:195px minmax(0,1fr)}.sidebar{padding:25px 13px}.brand{font-size:20px;gap:10px}.topbar{padding:15px 26px}main{padding:30px 26px 40px}.app-footer{padding-left:26px}.two-col{grid-template-columns:1fr}.day-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-visual{width:115px;height:115px}.hero-visual small{bottom:18px}.stats{gap:10px}.stat{padding:18px}.settings-grid{grid-template-columns:1fr}.question-card{padding:26px}}
@media(max-width:900px){.app-shell{display:block}.sidebar{display:none}.topbar{min-height:70px;padding:12px 18px}.mobile-brand{display:block;font-weight:800;color:var(--green);font-size:17px}#page-label{display:none}main{padding:28px 18px 28px}.mobile-nav{position:fixed;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(6,1fr);background:var(--card);border-top:1px solid var(--line);z-index:50;padding-bottom:env(safe-area-inset-bottom)}.mobile-nav a{display:grid;place-items:center;gap:0;color:var(--muted);font-size:9px;text-decoration:none;min-height:64px;padding:5px 0}.mobile-nav .nav-icon{font-size:21px}.mobile-nav a.active{color:var(--green);background:var(--soft)}.workspace{padding-bottom:65px}.hero{padding:25px;grid-template-columns:1fr}.hero-visual{display:none}.hero h2{font-size:28px}.stats{grid-template-columns:repeat(2,1fr);margin-bottom:27px}.stat strong{font-size:28px}.topic-grid,.paper-grid,.day-grid{grid-template-columns:1fr}.welcome-line{align-items:start}.daily-pill{display:none}.question-card{padding:22px 19px}.question-card h2{font-size:21px}.question-actions{align-items:stretch}.question-actions .btn{flex:1}.top-actions{gap:8px}.status-chip{font-size:10px;max-width:90px;white-space:normal;line-height:1.3}.icon-btn{min-height:40px;min-width:40px}.toolbar{padding:15px}.field{min-width:120px}.app-footer{padding:15px 20px 28px}#toast{bottom:85px}.review-item{grid-template-columns:1fr}.review-item .btn{justify-self:start}.card{padding:22px}h1{font-size:31px}.section-head h2{font-size:21px}.session-header{align-items:start}.rating .btn{min-width:100px}.queue-dots{display:none}.question-type{max-width:200px}.lead{font-size:16px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}@media print{.sidebar,.topbar,.mobile-nav,.app-footer,.btn,button{display:none!important}.app-shell{display:block}main{padding:0}.card,.question-card{break-inside:avoid;border:1px solid #aaa}body{background:#fff;color:#000}}

.question-card h2{font-size:calc(var(--base) + 6px)}.answer-text,.option{font-size:calc(var(--base) + 1px)}

#toast{opacity:0}#toast.show{opacity:1}

.guide-reader{max-width:960px;line-height:1.75}.guide-reader pre{overflow:auto;padding:18px;background:var(--soft);border-radius:12px}.guide-reader code{font-family:monospace;white-space:pre-wrap;overflow-wrap:anywhere}.guide-reader blockquote{border-left:4px solid var(--green2);margin:20px 0;padding:8px 18px;background:var(--soft)}.guide-table{overflow-x:auto}.guide-reader th,.guide-reader td{border:1px solid var(--line);padding:10px;min-width:100px}.guide-reader h1{font-size:clamp(1.6rem,4vw,2.5rem)}@media(max-width:900px){.mobile-nav{grid-template-columns:repeat(7,minmax(0,1fr))}.mobile-nav a{min-width:0;font-size:10px}.guide-reader{padding:18px}}

/* Notes with PYQS reader */
.npq-toolbar,.npq-downloads{gap:14px;flex-wrap:wrap;margin:18px 0 26px}.npq-subject{max-width:600px;margin:20px 0}.npq-filters{display:grid;grid-template-columns:minmax(180px,2fr) minmax(120px,1fr);gap:20px}.npq-filters .field:last-child{grid-column:1/-1}.npq-filters select,.npq-subject select{width:100%;min-height:46px}.npq-tabs{flex-wrap:wrap}.npq-question{margin:18px 0;overflow-wrap:anywhere}.npq-question h3{font-size:1.12rem;line-height:1.6;margin:20px 0}.npq-question ol{line-height:1.8;padding-left:28px}.npq-answer{border-top:1px solid var(--line);margin-top:22px;padding-top:16px}.npq-answer summary{cursor:pointer;font-weight:700;color:var(--green);padding:10px 0;min-height:44px}.npq-answer[open] summary{margin-bottom:16px}.npq-caution{font-size:.9rem;margin-top:18px}.npq-caution li{margin:8px 0}.npq-group{margin-top:34px}.npq-topic-list{display:flex;flex-direction:column;gap:10px}.npq-topic-list button{text-align:left;white-space:normal;justify-content:space-between}.npq-pagination{justify-content:space-between;margin:26px 0}.npq-notes p{line-height:1.8}.npq-notes h2{margin-top:38px}.guide-reader{overflow-wrap:anywhere}.guide-reader pre{overflow:auto}.dark .npq-answer summary{color:var(--ink)}
@media(max-width:600px){.npq-filters{grid-template-columns:1fr}.npq-toolbar>*{width:100%}.npq-pagination{gap:8px}.npq-pagination .btn{padding:10px 14px}.npq-question{padding:18px}.npq-tabs .tab{padding:12px}}

.npq-linked-note summary{cursor:pointer;font-weight:700;min-height:44px;padding:8px 0}.npq-linked-note[open] summary{margin-bottom:20px}

/* Navy and teal study theme */
:root{--bg:#f4f7fb;--card:#ffffff;--ink:#14283f;--muted:#53677e;--line:#dce5ef;--green:#183b66;--green2:#0f766e;--soft:#e9f0f8;--gold:#76dac8;--orange:#9a5729;--danger:#b42335;--danger-bg:#fff0f2;--shadow:0 8px 28px #17385f08;--radius:16px}
body.dark{--bg:#101b2d;--card:#18263a;--ink:#e6edf6;--muted:#a5b4c8;--line:#304157;--green:#9ec5ff;--green2:#78dccb;--soft:#23364d;--gold:#69d7c5;--danger:#ffadb9;--danger-bg:#472633}
.hero{background:#183b66;color:#ffffff}.hero .eyebrow,.hero .muted{color:#b9e7e0}.hero h2{color:#ffffff}.hero p{color:#e0eaf5}.hero-visual span{color:#76dac8}.hero-visual small{color:#c2e8e3}.dark .hero{background:#213e60;color:#e6edf6}.brand-icon{color:#183b66}.nav-link.active{box-shadow:inset 3px 0 #0f766e}.topbar{background:var(--card)}.live-dot{background:#0f766e}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline-color:#008c87}.topic-card,.paper-card,.card{box-shadow:var(--shadow)}.btn.gold{background:var(--gold);color:#123d42}.good{color:#16705f}#toast{background:#183b66}.ribbon{color:#123d42}.dark .good{color:#78dccb}h1{letter-spacing:-.8px}.eyebrow{letter-spacing:1.5px}

/* Final requested theme: dark slate and blue */
:root{--green:#234d83;--green2:#285b9d;--gold:#a6c5f7;--radius:14px}
body.dark{--bg:#0d1523;--card:#162234;--ink:#eef3fb;--muted:#a8b8ce;--line:#2d3e56;--green:#a3c6ff;--green2:#a3c6ff;--soft:#21334d;--gold:#a3c6ff;--danger:#ffacb8;--danger-bg:#462637;--shadow:0 8px 26px #02081120}
.hero,.dark .hero{background:#1a3152;color:#eef3fb}.hero .eyebrow,.hero .muted{color:#c3d8f8}.hero p{color:#d3e0f2}.hero-visual span{color:#a3c6ff}.hero-visual small{color:#c3d8f8}.nav-link.active{box-shadow:inset 3px 0 #8eb7f5}.live-dot{background:#8eb7f5}.btn.gold{background:#a3c6ff;color:#122642}.brand-icon{background:#a3c6ff;color:#18365e}.eyebrow{color:var(--green2)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline-color:#8eb7f5}.ribbon{background:#a3c6ff;color:#122642}.good,.dark .good{color:#a3c6ff}#toast{background:#234d83}.npq-linked-note summary{line-height:1.6}

/* Premium study workspace: midnight, champagne and restrained blue */
:root{--bg:#f5f4f0;--card:#fffefa;--ink:#172437;--muted:#647084;--line:#e0e2e5;--green:#223b61;--green2:#786237;--soft:#edf0f5;--gold:#d9bd86;--radius:20px;--shadow:0 12px 36px #1425380a}
body.dark{--bg:#0b111c;--card:#141e2d;--ink:#edf1f8;--muted:#a2afc2;--line:#293446;--green:#d9bd86;--green2:#d9bd86;--soft:#1b293e;--gold:#d9bd86;--danger:#f5a8b6;--danger-bg:#432737;--shadow:0 14px 40px #00000024}
body{background-image:radial-gradient(ellipse at 85% 0%,#5073a611,transparent 50%)}.sidebar{background:var(--card);border-right:1px solid var(--line)}.brand{letter-spacing:-.7px}.brand small{letter-spacing:1.5px;color:var(--muted)}.brand-icon{background:var(--gold);color:#16253b;border-radius:12px;box-shadow:0 4px 15px #d9bd8618}.topbar{background:var(--card)}.hero,.dark .hero{background:linear-gradient(125deg,#192c47,#102035 75%);border:1px solid #d9bd8638;border-radius:24px;padding:36px;color:#edf1f8;box-shadow:0 20px 44px #00000018}.hero h2{font-size:clamp(27px,3vw,38px);font-weight:650;letter-spacing:-1px;max-width:620px}.hero .eyebrow,.hero .muted,.hero-visual span{color:#d9bd86}.hero p{color:#bfccdc;max-width:590px}.hero-visual{border-color:#d9bd8640;background:#d9bd8606}.hero-visual small{color:#bfccdc}.btn{border-radius:12px;min-height:48px}.btn.gold{background:#d9bd86;color:#15243a;border:1px solid #e6cfa4}.btn.secondary{border-color:var(--line)}.card,.topic-card,.stat,.paper-card{border:1px solid var(--line);box-shadow:var(--shadow)}.nav-link.active{background:var(--soft);box-shadow:inset 3px 0 var(--gold);color:var(--green)}.eyebrow{font-weight:700;letter-spacing:1.8px}.tabs{gap:10px}.tab.active{background:var(--gold);color:#172437}.tag{border:1px solid var(--line)}.live-dot{background:#d9bd86}h1{font-weight:650;letter-spacing:-1px}.stat strong{font-weight:650}.option.selected{border-color:#d9bd86}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline-color:#d9bd86}.good,.dark .good{color:var(--green)}#toast{background:#223b61}.ribbon{background:#d9bd86;color:#172437}
@media(max-width:900px){.hero{padding:25px}.mobile-nav{background:var(--card);box-shadow:0 -8px 26px #00000012}.mobile-nav a.active{color:var(--green)}main{padding-top:28px}}
@media(prefers-reduced-motion:no-preference){.topic-card,.paper-card{transition:border-color .18s,transform .18s}.topic-card:hover,.paper-card:hover{border-color:#bda578;transform:translateY(-2px)}}

/* Personal study plan and attribution */
.app-footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px}.day-card>label:not(.day-check){display:block;margin:16px 0 7px;font-weight:600;font-size:14px}.day-card textarea{width:100%;resize:vertical;min-height:100px;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:12px;font:inherit;font-size:14px;line-height:1.5}#plan-minutes{display:block;max-width:180px;margin-top:10px;min-height:44px}
.app-footer a{color:inherit;text-decoration:underline;text-underline-offset:3px}.app-footer a:hover{color:var(--gold)}
.qr-entry{margin:22px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;border-color:var(--gold)}
.qr-entry h2{margin:12px 0 8px}.qr-entry p{max-width:630px;margin:0;color:var(--muted)}
.qr-downloads{margin:22px 0}.qr-controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-bottom:24px}
.qr-controls .field{min-width:0}.qr-controls select,.qr-controls input{width:100%;min-height:46px}
.qr-reader{line-height:1.8;overflow-wrap:anywhere}.qr-reader p{white-space:pre-line}.qr-reader figure{margin:24px 0}
.qr-reader img{display:block;max-width:100%;height:auto;background:white;border-radius:12px}.qr-reader figcaption{font-size:12px;color:var(--muted);margin-top:8px}
.qr-reader .qr-bullet{padding-left:18px;border-left:2px solid var(--line)}.qr-tip{padding:14px 18px!important;border-left:3px solid var(--gold)!important;background:var(--bg);border-radius:0 10px 10px 0}
.qr-reader table{min-width:440px;width:100%;border-collapse:collapse}.qr-reader td,.qr-reader th{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}
.qr-options{padding:0;border:0;margin:24px 0;min-width:0}.qr-options legend{margin-bottom:12px}.qr-option{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line);border-radius:12px;padding:16px;margin:10px 0;cursor:pointer;line-height:1.6}.qr-option input{width:20px;height:20px;flex:0 0 20px;min-height:0;margin-top:3px;accent-color:var(--gold)}.qr-option span{white-space:pre-wrap;overflow-wrap:anywhere}.qr-option:has(input:checked){border-color:var(--gold);box-shadow:0 0 0 1px var(--gold)}.qr-option.qr-correct{border-color:#53b996;background:#53b99618}.qr-option.qr-incorrect{border-color:#e37a7a;background:#e37a7a18}.qr-feedback{padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--bg)}.qr-pagination{margin-top:24px;scroll-margin-top:90px}#qr-body{scroll-margin-top:90px}.qr-question h2{font-size:21px;line-height:1.55}.qr-question{margin-top:24px}
@media(max-width:600px){.qr-controls{grid-template-columns:1fr}.qr-entry .row,.qr-downloads{width:100%}.qr-entry .btn{width:100%}.qr-reader{padding:20px}.qr-question h2{font-size:18px}}

.qr-tabs{align-items:center;flex-wrap:wrap}.qr-total-progress{white-space:normal}.qr-subject-progress{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:12px}.qr-subject-progress .tag{white-space:normal}
@media(max-width:600px){#qr-total-progress{flex-basis:100%}.qr-subject-progress{justify-content:flex-start}}

.qr-reset-field{justify-content:flex-end;align-items:flex-end}.qr-reset-field .btn{min-height:46px}

.qr-filter-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.qr-filter-actions .qr-reset-field{margin:0;min-width:0}

.qr-question-notes{margin-top:16px;display:grid;gap:6px}.qr-question-notes label{font-size:14px;font-weight:600}.qr-question-notes textarea{width:100%;min-height:85px;resize:vertical;border:1px solid var(--line);border-radius:10px;padding:12px;background:var(--bg);color:var(--ink);font:inherit;font-size:14px}.qr-question-notes small{font-size:12px}