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var(--s-5);font-size:var(--fs-14)}.upload-progress{margin-top:var(--s-3)}.upload-progress-row{display:flex;justify-content:space-between;font-size:var(--fs-13);margin-bottom:6px;color:var(--c-muted)}.upload-progress-pct{font-weight:600;color:var(--c-primary);font-variant-numeric:tabular-nums}.upload-progress-bar{width:100%;height:8px;background:var(--c-border);border-radius:var(--r-pill);overflow:hidden}.upload-progress-bar .fill{height:100%;background:var(--c-primary);border-radius:var(--r-pill);transition:width .15s linear}.quiz-import-row{display:flex;align-items:center;gap:var(--s-3);margin-top:var(--s-4);flex-wrap:wrap;padding:var(--s-3);background:var(--c-bg);border:1px dashed var(--c-border);border-radius:var(--r-md)}.upload-progress-bar.is-processing .fill{background-image:linear-gradient(45deg,rgba(255,255,255,.25) 25%,transparent 25%,transparent 50%,rgba(255,255,255,.25) 50%,rgba(255,255,255,.25) 75%,transparent 75%,transparent);background-size:24px 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var(--border);border-radius:8px;background:var(--surface-2)}.slide-icon-box{width:30px;height:30px;border-radius:8px;background:#f9731822;color:#f97316;display:grid;place-items:center;font-size:15px;flex-shrink:0}.slide-card-name{font-size:13px;font-weight:500;color:var(--ink-1)}.slide-card-meta{font-size:11.5px;color:var(--ink-3);margin-top:1px}.viewer-side-pill{display:flex;align-items:center;gap:10px;padding:9px 16px;font-size:13px;cursor:pointer;border-left:3px solid transparent;transition:background .12s}.viewer-side-pill:hover{background:var(--surface-2)}.viewer-side-pill.active{background:var(--blue-50);border-left-color:var(--blue-600);font-weight:600;color:var(--ink-1)}.viewer-side-pill .pill-circle{width:20px;height:20px;border-radius:999px;display:grid;place-items:center;flex-shrink:0;border:1.5px solid var(--border-2);color:transparent;font-size:10px}.viewer-side-pill.done .pill-circle{background:var(--success-600);border-color:var(--success-600);color:#fff}.viewer-side-pill.active .pill-circle{background:var(--blue-600);border-color:var(--blue-600);color:#fff}.quiz-card{padding:24px 28px}.q-step{font-size:12px;color:var(--ink-3);font-weight:500;letter-spacing:.06em;text-transform:uppercase}.q-prompt{font-size:18px;font-weight:600;color:var(--ink-1);line-height:1.4;margin:8px 0 18px}.q-options{display:flex;flex-direction:column;gap:10px}.q-option{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1.5px solid var(--border);border-radius:10px;background:var(--surface);font-size:14px;color:var(--ink-1);cursor:pointer;transition:all .12s ease}.q-option:hover{border-color:var(--blue-400);background:var(--blue-50)}.q-option.sel{border-color:var(--blue-600);background:var(--blue-50)}.q-option .radio{width:20px;height:20px;border-radius:999px;border:2px solid var(--border-2);display:grid;place-items:center;flex:0 0 auto}.q-option.sel .radio{border-color:var(--blue-600)}.q-option.sel .radio:after{content:"";width:10px;height:10px;border-radius:999px;background:var(--blue-600)}.q-option .key{width:24px;height:24px;border-radius:6px;background:var(--surface-2);border:1px solid var(--border);display:grid;place-items:center;font-family:var(--font-mono);font-size:11.5px;color:var(--ink-3);margin-left:auto}.q-progress{height:6px;background:var(--border);border-radius:999px;overflow:hidden;margin:14px 0 22px}.q-progress>i{display:block;height:100%;background:var(--blue-600);border-radius:999px;transition:width .2s}.quiz-exam-wrap{max-width:780px;margin:0 auto;padding:24px 28px}.quiz-exam-bar{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:12px;color:var(--ink-3)}.quiz-result-card{overflow:hidden;max-width:660px;margin:0 auto}.quiz-result-header{padding:40px 32px;text-align:center;background:linear-gradient(135deg,var(--success-100),#ECFDF5)}.quiz-result-header.failed{background:linear-gradient(135deg,var(--danger-100),#FEF2F2)}.quiz-result-trophy{width:72px;height:72px;border-radius:999px;background:#fff;display:inline-grid;place-items:center;box-shadow:var(--shadow-2);margin-bottom:14px;font-size:32px}.quiz-result-status{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--success-600)}.quiz-result-status.failed{color:var(--danger-600)}.quiz-result-score{font-size:38px;font-weight:700;margin-top:4px;color:var(--ink-1)}.quiz-result-meta{font-size:13px;color:var(--ink-2)}.quiz-result-list{padding:18px}.quiz-result-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--border);font-size:13px}.quiz-result-row:last-child{border-bottom:none}.quiz-result-bullet{width:24px;height:24px;border-radius:999px;display:grid;place-items:center;font-size:13px;flex-shrink:0}.quiz-result-bullet.ok{background:var(--success-100);color:var(--success-600)}.quiz-result-bullet.bad{background:var(--danger-100);color:var(--danger-600)}.quiz-result-foot{padding:14px 20px;border-top:1px solid var(--border);display:flex;gap:8px;justify-content:flex-end;background:var(--surface-2)}.my-courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;margin-top:8px}.my-course-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;text-decoration:none;color:var(--ink-1);transition:transform .15s,box-shadow .15s;box-shadow:var(--shadow-1)}.my-course-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--blue-400)}.my-course-thumb{position:relative;aspect-ratio:16/9;background:linear-gradient(135deg,var(--blue-100),var(--blue-50));display:grid;place-items:center}.my-course-thumb img{width:100%;height:100%;object-fit:cover;display:block}.my-course-thumb-placeholder{font-size:48px;opacity:.5}.my-course-badge{position:absolute;top:10px;right:10px;padding:3px 8px;border-radius:999px;font-size:11px;font-weight:600;background:var(--surface);color:var(--ink-2);border:1px solid var(--border)}.my-course-badge.success{background:var(--success-100);color:var(--success-600);border-color:transparent}.my-course-badge.warn{background:var(--warn-100);color:var(--warn-600);border-color:transparent}.my-course-badge.danger{background:var(--danger-100);color:var(--danger-600);border-color:transparent}.my-course-body{padding:16px;flex:1;display:flex;flex-direction:column;gap:8px}.my-course-title{font-size:15px;font-weight:600;margin:0;line-height:1.3}.my-course-desc{font-size:13px;color:var(--ink-3);margin:0;line-height:1.45;flex:1}.my-course-foot{display:flex;align-items:center;justify-content:space-between;margin-top:8px}.comment-card{display:flex;gap:12px;padding:14px 16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);margin-bottom:10px}.comment-avatar{width:36px;height:36px;border-radius:999px;background:linear-gradient(135deg,var(--blue-600),var(--blue-500));color:#fff;display:grid;place-items:center;font-weight:600;font-size:13px;flex-shrink:0}.comment-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:4px}.comment-name{font-weight:600;font-size:13.5px;color:var(--ink-1)}.comment-content{margin:4px 0 0;font-size:14px;color:var(--ink-1);white-space:pre-wrap;line-height:1.5}.toast-stack{position:fixed;right:24px;bottom:24px;display:flex;flex-direction:column;gap:10px;z-index:9999;max-width:380px;pointer-events:none}.toast{pointer-events:auto;background:var(--ink-1);color:#fff;border-radius:10px;padding:12px 14px;display:flex;align-items:flex-start;gap:10px;box-shadow:var(--shadow-pop);min-width:280px;cursor:pointer;animation:toastIn .22s cubic-bezier(.1,.9,.2,1);border-left:4px solid transparent}@keyframes toastIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.toast.kind-success{border-left-color:#4ade80}.toast.kind-error{border-left-color:#f87171}.toast.kind-warn{border-left-color:#fbbf24}.toast.kind-info{border-left-color:var(--blue-500)}.toast-ico{font-size:18px;line-height:1;flex-shrink:0;margin-top:2px}.toast.kind-success .toast-ico{color:#4ade80}.toast.kind-error .toast-ico{color:#f87171}.toast.kind-warn .toast-ico{color:#fbbf24}.toast.kind-info .toast-ico{color:#93c5fd}.toast-body{flex:1;font-size:13.5px;line-height:1.4}.toast-close{background:transparent;border:none;color:#fff9;cursor:pointer;font-size:14px;padding:0;line-height:1;flex-shrink:0}.toast-close:hover{color:#fff}.toast-confirm-backdrop{position:fixed;inset:0;background:#0f1a3d73;display:grid;place-items:center;z-index:10000;animation:fadeIn .16s ease-out}.toast-confirm{background:var(--surface);border-radius:14px;width:min(440px,92vw);box-shadow:var(--shadow-pop);overflow:hidden;animation:popIn .2s cubic-bezier(.1,.9,.2,1)}@keyframes popIn{0%{opacity:0;transform:scale(.96) translateY(6px)}to{opacity:1;transform:none}}.toast-confirm-head{padding:18px 20px 8px;font-size:16px;font-weight:600;color:var(--ink-1)}.toast-confirm-body{padding:0 20px 18px;font-size:14px;color:var(--ink-2);line-height:1.5}.toast-confirm-foot{padding:14px 20px;border-top:1px solid var(--border);display:flex;gap:8px;justify-content:flex-end;background:var(--surface-2)}