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14px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:16px;animation:fadeIn .2s ease}.alert-error{background:var(--red-bg);border:1px solid var(--red-border);color:var(--red)}.alert-success{background:var(--green-bg);border:1px solid var(--green-border);color:var(--green)}.report-filters{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px 22px;margin-bottom:20px;transition:background var(--t),border-color var(--t)}.filter-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:14px;margin-bottom:14px}.filter-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.report-results{animation:fadeIn .2s ease}.report-header{margin-bottom:18px}.report-header h2{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em;margin-bottom:4px}.report-meta{font-size:13px;color:var(--ink-faint);font-family:var(--font-mono)}.session-history{margin-top:20px}.session-history h3{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:12px}.sessions-list{display:flex;flex-direction:column;gap:8px}.session-item{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;transition:all .15s}.session-item:hover{border-color:#0ea5e94d;background:var(--sky-5)}.session-date{font-weight:500;font-size:13.5px;color:var(--ink);flex:1}.session-details{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-faint);font-family:var(--font-mono)}.session-status{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;font-family:var(--font-mono)}.section-filter-pills{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.section-pill{padding:6px 14px;border-radius:20px;font-size:12.5px;font-weight:600;cursor:pointer;font-family:var(--font-body);transition:all .15s;border:1px solid var(--border);background:var(--surface);color:var(--ink-muted)}.section-pill.active{background:var(--sky-4);border-color:#0ea5e966;color:var(--sky-dark)}.section-layout{display:flex;gap:16px;align-items:flex-start}.section-list{width:200px;flex-shrink:0;display:flex;flex-direction:column;gap:8px}.section-list-item{padding:12px 14px;border-radius:10px;cursor:pointer;border:1px solid var(--border);background:var(--surface);transition:all .15s}.section-list-item.selected{background:var(--sky-5);border-color:#0ea5e959}.section-list-item .s-name{font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:3px}.section-list-item.selected .s-name{color:var(--sky-dark)}.section-list-item .s-meta{font-size:11px;color:var(--ink-faint)}.section-detail{flex:1;min-width:0}.section-detail-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden;margin-bottom:14px}.section-detail-header{padding:16px 20px;border-bottom:1px solid 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var(--border);border-top-color:var(--sky);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 12px}.welcome-card{background:linear-gradient(135deg,#0c4a6e,#0369a1 55%,#0284c7);border-radius:14px;padding:24px 28px;margin-bottom:24px;position:relative;overflow:hidden}.welcome-card h2{color:#fff;font-size:18px;font-weight:700;margin:0 0 4px;letter-spacing:-.02em}.welcome-card p{color:#bae6fdcc;font-size:13px;margin:0}.dot-pulse{width:5px;height:5px;border-radius:50%;background:#34d399;flex-shrink:0;animation:blink 2s infinite}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--sky-3)}@media(max-width:900px){:root{--sb-width: 0px}.sidebar{display:none}.stats-grid,.action-grid{grid-template-columns:repeat(2,1fr)}.filter-grid{grid-template-columns:1fr 1fr}.form-row{grid-template-columns:1fr}.schedule-row{grid-template-columns:1fr 1fr}.session-stat-pills{grid-template-columns:repeat(3,1fr)}}@media(max-width:600px){.stats-grid{grid-template-columns:1fr 1fr}.action-grid,.filter-grid{grid-template-columns:1fr}.session-stat-pills{grid-template-columns:repeat(2,1fr)}.section-layout{flex-direction:column}.section-list{width:100%}}