.study-tools{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 28px}.study-tools button{border:1px solid var(--line,#d7dcd5);border-radius:12px;padding:12px 18px;background:var(--paper,#fff);color:inherit;font:inherit;cursor:pointer}.study-tools button.active{background:#275b48;color:#fff}.ai-panel{width:100%;margin:auto}.ai-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:22px}.ai-heading h1{font-size:clamp(30px,5vw,46px);margin:10px 0}.ai-heading p{margin-bottom:0}.ai-info-line{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:0 0 28px}.ai-info-line p{margin:0}.ai-coverage{margin-top:28px;padding:18px 0;border-top:1px solid var(--line,#d7dcd5)}.ai-shortcut-hint{font-size:12px;font-weight:500;color:var(--muted)}.ai-question-card .solution{margin-top:24px;padding:22px;border-radius:12px;background:rgba(39,91,72,.06);white-space:pre-wrap}.ai-question-card .solution p:last-child{margin-bottom:0}.ai-question-card .answer.correct{background:#e8f7eb;border-color:#68ad7b}.ai-question-card .answer.incorrect{background:#fff0ee;border-color:#db8780}.ai-panel .filters .filter-checkbox{display:flex;align-items:center;gap:10px;font-size:12px}.ai-panel .filters .filter-checkbox input{width:16px;height:16px;min-height:0;flex-shrink:0}.ai-panel .question-toolbar{min-height:30px}.ai-panel .filters{display:flex;flex-direction:column}.ai-panel .filters .section-title{margin-bottom:8px}.ai-panel .filters label{margin-top:16px}.ai-panel .question-tools{flex-wrap:wrap}.ai-panel .question-tools .question-source{overflow-wrap:anywhere;max-width:100%}
#ai-flash-pane{max-width:1050px;margin:0 auto}.flash-deck-picker{padding:30px;display:grid;grid-template-columns:1fr 1.15fr;gap:36px;align-items:center;border-radius:20px}.flash-deck-picker h2{font-size:23px;line-height:1.35;margin:10px 0}.flash-deck-picker p{margin-bottom:0;font-size:14px}.flash-deck-selects{display:grid;gap:18px;min-width:0}.flash-deck-selects label{font-size:12px;font-weight:750;display:block;color:var(--muted)}.flash-deck-selects select{display:block;width:100%;margin-top:8px;padding:12px;border:1px solid var(--line,#d7dcd5);border-radius:10px;background:var(--paper,#fff);color:var(--text);font:inherit;text-overflow:ellipsis}.flash-session-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:32px 8px 20px;font-size:13px;color:var(--muted)}.flash-study-card{padding:clamp(26px,5vw,64px);min-height:370px;max-width:900px;margin:0 auto 32px;border-radius:24px!important;box-shadow:0 16px 48px rgba(25,45,65,.06)}.flash-card-top{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:32px}.flash-card-format{font-size:12px;border-radius:999px;padding:6px 13px;background:rgba(129,110,191,.1);color:#7662a3;font-weight:700}.flash-lecture-title{font-size:13px;line-height:1.5;color:var(--muted);margin-bottom:20px}.flash-study-card .ai-front{white-space:pre-wrap;overflow-wrap:anywhere;font-size:clamp(23px,3vw,33px);line-height:1.5;letter-spacing:-.025em;margin:0 0 36px}.flash-reveal{width:100%;min-height:58px;display:flex;justify-content:center;align-items:center;gap:20px}.flash-reveal kbd{background:rgba(255,255,255,.16);color:inherit;border-color:rgba(255,255,255,.35);font-size:11px}.ai-panel kbd{font-family:inherit;border:1px solid var(--line,#d7dcd5);border-radius:6px;padding:3px 7px;font-size:11px;white-space:nowrap}.flash-answer{border-top:1px solid var(--line,#d7dcd5);padding-top:28px;margin:0 0 30px}.flash-answer .ai-back{font-size:20px;line-height:1.75;white-space:pre-wrap;overflow-wrap:anywhere;margin:12px 0 0}.flash-rate-prompt{font-size:13px;color:var(--muted);margin:0 0 16px}.ai-ratings{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:30px}.flash-rating{display:flex;flex-direction:column;align-items:flex-start;gap:8px;min-width:0;padding:18px 14px;border:1px solid var(--line,#d7dcd5);border-radius:14px;background:var(--paper,#fff);color:var(--text);text-align:left;transition:transform .15s,border-color .15s}.flash-rating:hover:not(:disabled){transform:translateY(-2px);border-color:#6caa97}.flash-rating strong{font-size:16px}.flash-rating small{font-size:11px;color:var(--muted);white-space:normal}.flash-rating.rating-1{border-top:3px solid #cc8585}.flash-rating.rating-2{border-top:3px solid #c2a66c}.flash-rating.rating-3{border-top:3px solid #64a68b}.flash-rating.rating-4{border-top:3px solid #9381c6}.flash-study-card .question-source{display:block;margin-top:18px;overflow-wrap:anywhere;font-size:12px;line-height:1.7}.flash-export-panel{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:26px 4px;margin:12px 0 8px;border-top:1px solid var(--line,#d7dcd5)}.flash-export-panel h3{font-size:17px;margin-bottom:8px}.flash-export-panel p{margin-bottom:0}.ai-export{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0}.ai-export button{min-height:46px}#ai-schedule-note{max-width:780px;line-height:1.8;margin:16px 4px 26px}
[data-theme=dark] .study-tools button{background:#22313f;color:#d5e1ed}[data-theme=dark] .study-tools button.active{background:#294b45;color:#9ce7d1}[data-theme=dark] .flash-rating{background:#20303f;color:#e3eaf0;border-color:#415365}[data-theme=dark] .flash-card-format{background:#302d48;color:#d4c5f5}[data-theme=dark] .ai-question-card .answer.correct{background:#22483a!important;border-color:#79bb94!important}[data-theme=dark] .ai-question-card .answer.incorrect{background:#4c3036!important;border-color:#d59a9e!important}[data-theme=dark] .flash-rating.rating-1{border-top-color:#cc8585}[data-theme=dark] .flash-rating.rating-2{border-top-color:#c2a66c}[data-theme=dark] .flash-rating.rating-3{border-top-color:#64a68b}[data-theme=dark] .flash-rating.rating-4{border-top-color:#9381c6}
@media(max-width:890px){.flash-deck-picker{grid-template-columns:1fr;gap:24px}.flash-deck-selects{grid-template-columns:1fr 2fr;gap:20px}.ai-panel .filters{display:flex;flex-direction:column}.flash-export-panel{flex-direction:column;align-items:flex-start;gap:20px}}
@media(max-width:600px){.study-tools{gap:8px;margin-bottom:26px}.study-tools button{flex:1;padding:12px 8px;font-size:13px}.ai-heading{align-items:flex-start;gap:16px}.ai-heading h1{margin:10px 0}.ai-heading .ghost{font-size:12px;padding:10px}.ai-info-line{gap:12px;margin-bottom:24px}.flash-deck-picker{padding:24px}.flash-deck-picker h2{font-size:21px}.flash-deck-selects{grid-template-columns:1fr;gap:18px}.flash-session-bar{flex-direction:column;align-items:flex-start;gap:12px;margin:28px 0 18px}.flash-study-card{padding:28px 24px;min-height:330px;border-radius:20px!important}.flash-card-top{margin-bottom:26px}.flash-study-card .ai-front{font-size:25px;margin-bottom:30px}.flash-answer{padding-top:26px}.flash-answer .ai-back{font-size:18px}.ai-ratings{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.flash-rating{padding:18px 16px;gap:10px;min-height:120px}.ai-export{width:100%;gap:12px}.ai-export button{flex:1}.ai-shortcut-hint{line-height:1.8}.ai-question-card .solution{padding:18px}}