:root{--bg-primary: #1a1a2e;--bg-secondary: #16213e;--bg-tertiary: #0f3460;--bg-hover: #1a2744;--bg-active: #233554;--accent: #e94560;--accent-hover: #ff6b81;--accent-dim: #4a1a2a;--accent-light: #f08090;--text-primary: #e8e8e8;--text-secondary: #a0a0b0;--text-muted: #6b7280;--border: #2a2a4a;--border-light: #3a3a5a;--error: #ef4444;--error-bg: #3b1111;--success: #22c55e;--warning: #f59e0b;--sidebar-width: 280px;--radius: 8px;--radius-sm: 4px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;--font-mono: "SF Mono", "Fira Code", "Fira Mono", 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infinite}.spinner.small{width:20px;height:20px;border-width:2px}@keyframes spin{to{transform:rotate(360deg)}}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:16px;color:var(--text-secondary)}.app-layout{display:flex;height:100vh;overflow:hidden}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}.thread-list{display:flex;flex-direction:column;height:100%}.thread-list-header{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--border)}.thread-list-header h2{font-size:16px;font-weight:600}.thread-list-header-actions{display:flex;gap:8px;align-items:center}.btn-logout{display:inline-flex;align-items:center;justify-content:center;padding:4px 10px;border:1px solid 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var(--accent)}.thread-item-content{min-width:0}.thread-item-title{font-weight:500;font-size:14px;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.thread-item-snippet{font-size:12px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px}.thread-item-meta{font-size:11px;color:var(--text-muted)}.thread-item-menu-btn{flex-shrink:0;width:32px;border:none;background:transparent;color:var(--text-muted);font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--border)}.thread-item-menu-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.thread-item-menu{position:absolute;top:100%;right:8px;z-index:100;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:0 4px 12px #0000004d;overflow:hidden;min-width:120px}.thread-item-menu-option{display:block;width:100%;padding:8px 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var(--border);text-transform:uppercase;letter-spacing:.5px}.context-empty{padding:16px;color:var(--text-muted);font-size:13px;text-align:center}.context-messages{padding:4px 0;max-height:40vh;overflow-y:auto}.context-messages-overflow{padding:8px 12px;font-size:12px;color:var(--text-muted);font-style:italic;border-bottom:1px solid var(--border)}.context-message{opacity:.85}.context-message.branch-point{border-bottom:2px solid var(--accent);opacity:1}.context-message .message-item{padding:6px 12px}.context-message .message-actions{display:none}.branch-divider{text-align:center;color:var(--text-muted);font-size:12px;padding:12px 0;font-family:var(--font-mono);letter-spacing:1px}.message-list{padding:8px 0}.message-list-empty{text-align:center;padding:32px;color:var(--text-secondary);font-size:14px}.load-more-container{display:flex;justify-content:center;padding:12px 0}.btn-load-more{padding:8px 20px;border:1px solid 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0}.admin-content{flex:1;padding:24px 32px;overflow-y:auto}.admin-page h1,.admin-dashboard h1{font-size:20px;margin-bottom:20px}.admin-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}.admin-stat-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.admin-stat-value{font-size:2rem;font-weight:700;color:var(--accent);line-height:1.2}.admin-stat-label{color:var(--text-secondary);font-size:13px;margin-top:4px;text-transform:uppercase;letter-spacing:.5px}.admin-search-input{width:100%;max-width:400px;margin-bottom:16px}.admin-table{width:100%;border-collapse:collapse;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.admin-table th,.admin-table td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--border);font-size:13px}.admin-table th{color:var(--text-secondary);font-weight:600;background:var(--bg-tertiary);font-size:12px;text-transform:uppercase;letter-spacing:.5px}.admin-table tr:last-child td{border-bottom:none}.admin-table tr:hover td{background:var(--bg-hover)}.admin-thread-title{max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.admin-actions-cell{display:flex;gap:6px;align-items:center}.admin-badge{display:inline-block;background:var(--accent-dim);color:var(--accent-light);padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.3px}.admin-badge-user{background:var(--bg-tertiary);color:var(--text-secondary)}.admin-badge-vis-members{background:var(--warning);color:#000}.admin-badge-vis-instance{background:var(--success);color:#000}.admin-pagination{display:flex;gap:10px;margin-top:20px;align-items:center}.admin-page-info{color:var(--text-secondary);font-size:13px}.admin-loading{display:flex;justify-content:center;padding:40px}.admin-error{padding:24px;text-align:center;color:var(--error);font-size:14px}@media (max-width: 768px){.sidebar{width:100%;min-width:100%;max-height:40vh;border-right:none;border-bottom:1px solid var(--border)}.app-layout{flex-direction:column}.thread-view{padding:0 16px}}