:root{--bg: #faf9f5;--surface: #ffffff;--surface-2: #f4f2ec;--border: #eae6dc;--border-strong: #d8d3c6;--text: #2a2a33;--text-2: #6e6e78;--text-3: #a2a2ac;--primary: #4f46e5;--primary-strong: #4338ca;--primary-soft: #eef0fd;--primary-border: #d9dcfb;--amber: #f59e0b;--amber-deep: #b45309;--amber-soft: #fef3e2;--danger: #dc2626;--danger-soft: #fdeaea;--success: #16a34a;--radius-lg: 20px;--radius-md: 14px;--radius-sm: 10px;--shadow-card: 0 1px 2px rgba(42, 42, 51, .04), 0 4px 14px rgba(42, 42, 51, .05);--shadow-float: 0 8px 22px rgba(79, 70, 229, .22);--font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:var(--font);background:#efede6;color:var(--text);-webkit-font-smoothing:antialiased}#root{height:100dvh}.app-shell{max-width:480px;margin:0 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var(--primary-border)}.day-dot-label{font-size:10.5px;color:var(--text-3)}.session-list{display:flex;flex-direction:column;gap:8px}.session-item{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:11px 14px}.session-topic{flex:1;min-width:0}.session-topic-name{font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.session-topic-meta{font-size:11.5px;color:var(--text-3);margin-top:2px}.session-score{font-size:13px;font-weight:700;color:var(--primary);flex-shrink:0}.status-pill{font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;flex-shrink:0}.status-pill.completed{background:#e8f7ee;color:var(--success)}.status-pill.timeout{background:var(--amber-soft);color:var(--amber-deep)}.empty-tip{text-align:center;color:var(--text-3);font-size:13.5px;padding:26px 0;line-height:1.8}.settings-body{padding:10px 20px 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2px}.test-result.ok{color:var(--success)}.test-result.fail{color:var(--danger)}.compliance-box{font-size:12.5px;color:var(--text-2);line-height:1.85}.compliance-box strong{color:var(--text)}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#1e1c1673;display:flex;align-items:center;justify-content:center;padding:28px;z-index:50;animation:msg-in .2s ease}.modal{background:var(--surface);border-radius:var(--radius-lg);padding:22px 20px;width:100%;max-width:340px;text-align:center}.modal-title{font-size:17px;font-weight:800;margin-bottom:8px}.modal-text{font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:18px}.modal-actions{display:flex;gap:10px}.modal-actions 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