:root{--bg:#0b1220;--card:#111a2e;--text:#e8eefc;--muted:#aab6da;--accent:#69d2ff;--good:#3ddc97;--border:rgba(255,255,255,.10);--shadow:0 10px 30px rgba(0,0,0,.35)}*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:radial-gradient(1200px 700px at 20% 0%,rgba(105,210,255,.18),transparent 60%),radial-gradient(1000px 600px at 80% 10%,rgba(61,220,151,.12),transparent 55%),var(--bg);color:var(--text);min-height:100svh;padding:30px 20px}button,input,select{font:inherit}button{cursor:pointer}[hidden]{display:none!important}.wrap{max-width:920px;margin:auto}header{display:flex;justify-content:space-between;align-items:center;gap:18px;padding-bottom:25px;border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:14px}.logo{font-size:28px;display:grid;place-items:center;width:52px;height:52px;background:#69d2ff15;border:1px solid #69d2ff40;border-radius:15px;color:var(--accent)}h1{font-size:clamp(18px,3vw,25px);margin:3px 0;font-weight:650;letter-spacing:-.5px}.eyebrow{font-size:10px;letter-spacing:1.9px;font-weight:700;margin:0;line-height:1.6}.accent{color:var(--accent)}.tag{display:inline-flex;padding:8px 11px;border:1px solid var(--border);border-radius:999px;background:rgba(0,0,0,.18);color:var(--muted);font-size:10px;letter-spacing:.5px}.intro{padding:40px 0 28px}.intro h2{font-size:clamp(36px,6vw,54px);font-weight:600;line-height:1.08;letter-spacing:-2px;margin:13px 0 17px}.intro p{color:var(--muted);line-height:1.7;font-size:15px;margin:0}.stats{display:flex;gap:0;margin-bottom:28px}.stats>div{display:flex;flex-direction:column;gap:5px;padding:0 30px;border-right:1px solid var(--border)}.stats>div:first-child{padding-left:0}.stats>div:last-child{border:0}.stats strong{font-size:26px;font-weight:600}.stats span{font-size:12px;color:var(--muted)}.panel{background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:25px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:22px}h3{margin:0;font-size:17px;font-weight:600}.fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}label{display:block;font-size:13px;color:var(--muted)}select,input[type=number]{display:block;width:100%;padding:14px 12px;border:1px solid var(--border);border-radius:12px;background:rgba(0,0,0,.15);color:var(--text);margin-top:9px;min-height:48px}select option{background:var(--card);color:var(--text)}.toggle-row{display:flex;align-items:center;gap:12px;margin-top:24px;padding:20px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);cursor:pointer}.toggle-row>span:first-child{flex:1}.toggle-row b{color:var(--text);font-size:14px;font-weight:550}.toggle-row small{display:block;margin-top:5px;font-size:12px}.toggle-row input{position:absolute;opacity:0;width:42px;height:26px;right:0}.toggle-row{position:relative}.switch{width:42px;height:24px;border-radius:20px;background:#44516a;padding:3px}.switch:before{content:'';display:block;width:18px;height:18px;border-radius:50%;background:#fff;transition:transform .2s}.toggle-row input:checked+.switch{background:var(--accent)}.toggle-row input:checked+.switch:before{transform:translateX(18px);background:#0b1220}.toggle-row input:focus-visible+.switch{outline:2px solid white;outline-offset:4px}.btn{min-height:48px;padding:12px 16px;border-radius:12px;border:1px solid var(--border);background:rgba(255,255,255,.05);color:var(--text);font-size:15px;font-weight:600;transition:background .15s,transform .1s}.btn:hover{background:rgba(255,255,255,.1)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.35;cursor:not-allowed}.btn.primary{border-color:rgba(105,210,255,.45);background:linear-gradient(180deg,rgba(105,210,255,.18),rgba(105,210,255,.08))}.start{width:100%;display:flex;justify-content:space-between;margin-top:18px}.hint{color:var(--muted);font-size:11px;text-align:center;line-height:1.7;margin:15px 0 0}.hint span{margin:0 10px}.muted{color:var(--muted);font-size:12px}.source-note{color:var(--muted);font-size:11px;line-height:1.7;margin:18px 0}.study-head{display:flex;justify-content:space-between;align-items:center;margin-top:30px}.study-head p:last-child{font-size:22px;margin:6px 0}.small{min-height:42px;font-size:13px}.progress{height:5px;background:#ffffff12;border-radius:20px;margin:20px 0 25px;overflow:hidden}#bar{height:100%;background:linear-gradient(90deg,var(--accent),var(--good));transition:width .25s}.card-meta{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:13px}.flashcard{border:1px solid #69d2ff35;border-radius:20px;min-height:325px;background:linear-gradient(145deg,#17273b,#101a2c);padding:35px;box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:center;cursor:pointer}.flashcard.answer{border-color:#3ddc974a;background:linear-gradient(145deg,#142c32,#101a2c)}.flashcard.single{cursor:default}.flashcard h2{font-size:clamp(22px,3vw,30px);font-weight:550;line-height:1.5;margin:0;white-space:pre-line}.flashcard.answer h2{font-size:14px;color:var(--muted);margin-bottom:20px}.answer-copy{font-size:16px;line-height:1.75;white-space:pre-line}.flashcard img{display:block;max-width:100%;max-height:530px;object-fit:contain;margin:24px auto 0;background:white;border-radius:8px}.flashcard #flip-hint{font-size:11px;letter-spacing:.5px;color:var(--accent);margin:30px 0 0}.flashcard.answer #flip-hint{color:var(--good)}.flashcard.turning{animation:flip .28s ease}@keyframes flip{0%{transform:rotateY(70deg);opacity:.4}100%{transform:rotateY(0);opacity:1}}.navigation{display:grid;grid-template-columns:1fr 1fr;gap:12px}.completion{text-align:center;margin:50px 0;padding:50px 30px}.completion h2{font-size:32px}.completion p{color:var(--muted)}.completion .btn{display:block;width:min(100%,380px);margin:15px auto}.finish-icon{display:grid;place-items:center;margin:0 auto 25px;width:65px;height:65px;border-radius:50%;background:#3ddc971a;color:var(--good);font-size:30px}footer{display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:10px;border-top:1px solid var(--border);margin-top:34px;padding:20px 0 5px}button:focus-visible,select:focus-visible,input:focus-visible,.flashcard:focus-visible{outline:2px solid var(--accent);outline-offset:4px}#custom-wrap{margin-top:18px}@media(max-width:600px){body{padding:20px 14px}header>.tag{display:none}.intro{padding-top:30px}.fields{grid-template-columns:1fr}.section-heading>.tag{display:none}.panel{padding:20px}.stats>div{padding:0 20px}.stats span{font-size:10px}.flashcard{padding:23px;min-height:300px}.navigation{gap:8px}.navigation .btn{padding:10px 8px;font-size:13px}.hint span{margin:0 4px}footer span{display:none}}@media(prefers-reduced-motion:reduce){*,*:before{animation:none!important;transition:none!important}}

.flashcard.single .answer-copy{margin-top:20px}.navigation:has(#flip[hidden]){grid-template-columns:1fr 1fr}
.flashcard{touch-action:pan-y pinch-zoom;scroll-margin-top:16px}body{overflow-x:clip}

.deck-picker{border:0;padding:0;margin:0 0 22px;min-width:0}.deck-picker legend{font-size:13px;color:var(--muted);margin-bottom:10px}.deck-buttons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.deck-button{text-align:left;font-size:14px}.deck-button[aria-pressed="true"]{border-color:var(--accent);background:rgba(105,210,255,.16);color:var(--accent)}.page-card img{width:100%;height:auto;max-height:none}.page-zoom{display:inline-block;margin-top:18px;color:var(--accent);font-size:13px;padding:10px 0}.page-card{padding:20px}@media(max-width:400px){.deck-buttons{grid-template-columns:1fr}.page-card{padding:12px}.page-card h2{font-size:20px}}

.bank-search{margin-bottom:24px}.bank-search label{margin-top:16px}.search-row{display:flex;gap:10px;margin-top:9px}.search-row input{min-width:0;flex:1;min-height:48px;padding:12px;border:1px solid var(--border);border-radius:12px;background:rgba(0,0,0,.15);color:var(--text);font:inherit}.search-row input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.search-results{display:grid;gap:10px;max-height:520px;overflow-y:auto}.search-result{display:block;width:100%;text-align:left;padding:16px;border:1px solid var(--border);border-radius:12px;background:rgba(0,0,0,.15);color:var(--text);font:inherit;overflow-wrap:anywhere}.search-result:hover{background:rgba(105,210,255,.08);border-color:var(--accent)}.search-result strong{display:block;font-size:15px;line-height:1.5}.result-source,.result-excerpt{display:block;margin-top:8px;font-size:12px;line-height:1.6;color:var(--muted)}mark{background:#69d2ff35;color:var(--text);border-radius:3px}.search-result:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}