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solid var(--color-border);background:var(--color-bg);cursor:pointer;text-align:left;border-radius:10px;flex-direction:column;align-items:flex-start;gap:2px;padding:10px;transition:border-color .15s,transform .1s;display:flex}.quick-item:active{border-color:var(--color-primary);transform:scale(.97)}.quick-icon{font-size:18px}.quick-label{font-size:13px;font-weight:700}.quick-desc{color:var(--color-text-muted);font-size:11px}.exam-setup{flex-direction:column;gap:12px;margin-bottom:14px;display:flex}.exam-setup .field-row select{border:1px solid var(--color-border);background:var(--color-card);color:var(--color-text);border-radius:8px;width:100%;padding:9px 10px;font-size:14px}.history-title{margin:0 0 8px;font-size:15px}.history-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.history-item{padding:0;overflow:hidden}.history-head{cursor:pointer;width:100%;color:var(--color-text);background:0 0;border:none;align-items:center;gap:10px;padding:11px 12px;font-size:14px;display:flex}.history-subj{font-size:13px;font-weight:700}.history-score{font-weight:700}.history-rate{color:var(--color-text-muted);font-size:12px}.history-date{color:var(--color-text-muted);margin-left:auto;font-size:12px}.history-arrow{color:var(--color-text-muted);font-size:10px}.history-detail{border-top:1px solid var(--color-border);background:var(--color-bg);max-height:320px;padding:10px 12px;overflow-y:auto}.weak-tip{color:#b45309;margin:0 0 8px;font-size:12px}.ans-row{border-bottom:1px dashed var(--color-border);align-items:flex-start;gap:8px;padding:4px 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12px;padding:0;list-style:none;display:flex}.exam-q{flex-direction:column;gap:10px;display:flex}.exam-q-head{align-items:center;gap:8px;display:flex}.exam-q-num{background:var(--color-primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:12px;font-weight:700;display:inline-flex}.exam-q-content{white-space:pre-wrap;word-break:break-word;margin:0;font-size:14px;line-height:1.7}.exam-options{flex-direction:column;gap:7px;display:flex}.exam-option{border:1.5px solid var(--color-border);background:var(--color-card);text-align:left;width:100%;color:var(--color-text);cursor:pointer;border-radius:10px;align-items:center;gap:10px;padding:10px 11px;font-size:13px;transition:all .12s;display:flex}.exam-option.picked{border-color:var(--color-primary);background:#2563eb14}.exam-option.picked .q-option-letter{border-color:var(--color-primary);color:var(--color-primary);background:#2563eb1a}.exam-option.judge{justify-content:center;font-weight:700}.judge-row{flex-direction:row}.exam-fill input{border:1.5px solid var(--color-border);background:var(--color-card);width:100%;color:var(--color-text);border-radius:10px;padding:10px 12px;font-size:14px}.submit-exam{width:100%;padding:13px;font-size:15px}.result-card{text-align:center;margin-bottom:12px;padding:24px 16px}.result-icon{font-size:38px}.result-title{margin:6px 0 2px;font-size:18px}.result-score{color:var(--color-primary);font-size:36px;font-weight:800}.result-full{color:var(--color-text-muted);font-size:16px;font-weight:400}.result-rate{color:var(--color-text-muted);margin-bottom:8px;font-size:15px}.result-meta{color:var(--color-text-muted);flex-wrap:wrap;justify-content:center;gap:14px;font-size:13px;display:flex}.result-tip{color:#15803d;margin:10px 0 0;font-size:12px}.wrong-detail-card{margin-bottom:12px}.wd-title{margin:0 0 10px;font-size:15px}.wd-item{border-bottom:1px dashed var(--color-border);padding:8px 0}.wd-item:last-child{border-bottom:none}.wd-content{word-break:break-word;margin:0 0 4px;font-size:13px;line-height:1.6}.wd-line{color:var(--color-text-muted);margin:0 0 4px;font-size:12px}.wd-analysis{word-break:break-word;margin:0;font-size:12px;line-height:1.6}.result-actions{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}@media (width>=640px){.dash-grid{grid-template-columns:1fr 1fr}.quick-grid{grid-template-columns:repeat(2,1fr)}}.countdown{align-items:center;gap:10px;margin-bottom:10px;padding:10px 14px;display:flex}.countdown-label{color:var(--color-text-muted);font-size:13px}.countdown-num{color:var(--color-primary);font-size:22px;font-weight:800}.countdown-num.urgent{color:#b91c1c;animation:1.2s infinite 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var(--color-border);border-radius:8px;max-width:100%;max-height:320px}.lib-preview-pdf{border:1px solid var(--color-border);background:var(--color-bg);border-radius:8px;width:100%;height:380px}.lib-note-editor{flex-direction:column;gap:8px;margin-top:10px;display:flex}.lib-note-editor textarea{border:1.5px solid var(--color-border);background:var(--color-card);width:100%;color:var(--color-text);resize:vertical;border-radius:8px;padding:10px 12px;font-family:inherit;font-size:13px;line-height:1.6}.lib-note-actions{justify-content:flex-end;gap:8px;display:flex}.extra-checks{flex-wrap:wrap;gap:16px;padding:2px 0 10px;display:flex}.extra-check{color:var(--color-text);cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:6px;font-size:13px;display:flex}.extra-check input{accent-color:var(--color-primary)}.filter-summary{color:var(--color-text-muted);flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 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10px;display:flex}.priority-rank{background:var(--color-primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:12px;font-weight:700;display:inline-flex}.priority-name{flex:1;font-size:13px;font-weight:600}.save-btn{width:100%;margin-bottom:6px}.settings-tip{color:#15803d;text-align:center;margin:0 0 12px;font-size:13px}.backup-actions{flex-wrap:wrap;gap:10px;display:flex}.lecture-body{word-break:break-word;background:var(--color-bg);border:1px solid var(--color-border);border-radius:8px;margin:0;padding:12px;font-size:14px;line-height:1.75;overflow-x:auto}.lecture-body .md-h{margin:14px 0 6px;font-size:16px}.lecture-body .md-h:first-child{margin-top:0}.lecture-body .md-p{white-space:pre-wrap;margin:0 0 8px}.lecture-body .md-li{margin:0 0 4px 18px}.lecture-body .md-quote{border-left:3px solid var(--color-primary);color:var(--color-text-muted);background:#2563eb0f;margin:0 0 8px;padding:4px 10px}.lecture-body .md-code{color:#e2e8f0;background:#0f172a;border-radius:8px;margin:8px 0;padding:10px;font-size:12.5px;line-height:1.6;overflow-x:auto}.lecture-body .md-code-inline{color:#1d4ed8;background:#2563eb1a;border-radius:4px;padding:1px 5px;font-size:12.5px}.lecture-body .md-hr{border:none;border-top:1px dashed var(--color-border);margin:12px 0}.exam-note{color:var(--color-text-muted);text-align:center;margin:0;font-size:12px}