:root{--bg: #f7f8fa;--panel: #ffffff;--panel-elevated: #f1f5f9;--border: #e2e8f0;--text: #0f172a;--text-secondary: #334155;--muted: #64748b;--accent: #0d9488;--accent-hover: #0f766e;--accent-muted: rgba(13, 148, 136, .1);--chat: #6366f1;--chat-muted: rgba(99, 102, 241, .1);--danger: #ef4444;--ok: #10b981;--warning: #f59e0b;--shadow-card: 0 1px 3px rgba(15, 23, 42, .06), 0 4px 16px rgba(15, 23, 42, .04);--shadow-cta: 0 8px 24px rgba(13, 148, 136, .25);--radius: 16px;--radius-sm: 10px;font-family:Inter,system-ui,sans-serif;color:var(--text);background-color:var(--bg);background-image:radial-gradient(ellipse 90% 50% at 15% -15%,rgba(13,148,136,.09),transparent 55%),radial-gradient(ellipse 70% 40% at 90% -5%,rgba(99,102,241,.07),transparent 50%);background-attachment:fixed}*{box-sizing:border-box}body{margin:0;min-height:100vh;-webkit-font-smoothing:antialiased}h1,h2,h3,.font-display{font-family:Plus Jakarta 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a{display:flex;align-items:center;gap:10px;color:var(--muted);padding:10px 12px;border-radius:12px;font-size:14px;font-weight:500;transition:background .15s ease,color .15s ease}.sidebar a svg{flex-shrink:0;opacity:.85}.sidebar a:hover{background:var(--panel-elevated);color:var(--text)}.sidebar a.active{background:var(--accent-muted);color:var(--accent)}.sidebar a.active svg{opacity:1}.sidebar-footer{margin-top:auto;padding-top:16px}.sidebar-footer button{width:100%}.content{padding:28px 32px;min-width:0}.page-header{margin-bottom:20px}.page-header h2{margin:0 0 6px;font-size:24px;font-weight:700;letter-spacing:-.02em}.page-header p{margin:0;color:var(--muted);font-size:14px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px;box-shadow:var(--shadow-card)}.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.muted{color:var(--muted)}.status{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:500;border:1px solid var(--border);background:var(--panel-elevated)}.status.ready{color:var(--ok);background:#10b9811a;border-color:transparent}.status.error{color:var(--danger);background:#ef44441a;border-color:transparent}.status.pending,.status.indexing{color:#b45309;background:#f59e0b1f;border-color:transparent}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(400px,100%)}.login-card .login-brand{margin-bottom:8px}.login-card .login-brand .brand-name{font-family:Plus Jakarta Sans,Inter,system-ui,sans-serif;font-size:28px;font-weight:800;letter-spacing:-.02em;margin:0}.login-card h2{font-size:18px;font-weight:600;color:var(--text-secondary);margin:0 0 4px}.chat-box{flex:1;min-height:280px;overflow:auto;display:flex;flex-direction:column;gap:10px;padding:14px;background:var(--panel-elevated);border-radius:var(--radius-sm);border:1px solid var(--border)}.bubble{max-width:85%;padding:10px 14px;border-radius:14px;white-space:pre-wrap;font-size:14px;line-height:1.45}.bubble.user{align-self:flex-end;background:var(--accent);color:#fff;border-bottom-right-radius:4px}.bubble.assistant{align-self:flex-start;background:var(--panel);border:1px solid var(--border);color:var(--text);border-bottom-left-radius:4px}pre.snippet{background:var(--panel-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px;overflow:auto;white-space:pre-wrap;font-size:13px}.conversations-layout{display:grid;grid-template-columns:minmax(280px,360px) 1fr;gap:16px;align-items:stretch;min-height:calc(100vh - 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transparent;border-radius:12px;padding:12px;margin-bottom:4px;box-shadow:none;transform:none;cursor:pointer}.conversation-item:hover:not(:disabled){background:var(--panel-elevated);box-shadow:none;transform:none}.conversation-item.active{background:var(--accent-muted);border-color:#0d948840}.conversation-item-top{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:4px}.conversation-item-guest{font-size:13px;font-weight:600;color:var(--text)}.conversation-item-time{font-size:11px;color:var(--muted);white-space:nowrap}.conversation-item-preview{font-size:13px;color:var(--muted);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.conversations-detail-card h3{margin:0 0 12px;font-size:16px;font-weight:650}.conversations-detail-body{display:flex;flex-direction:column;flex:1;min-height:0}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:40px 20px;text-align:center;color:var(--muted);flex:1}.empty-state svg{opacity:.4;margin-bottom:4px}.empty-state strong{color:var(--text-secondary);font-weight:600}@media(max-width:900px){.conversations-layout{grid-template-columns:1fr;min-height:auto}.conversations-list-card,.conversations-detail-card{max-height:none}.chat-box{height:360px;flex:none}}@media(max-width:800px){.layout{grid-template-columns:1fr}.sidebar{border-right:none;border-bottom:1px solid var(--border)}.sidebar nav{flex-direction:row;flex-wrap:wrap;gap:4px}.sidebar a{padding:8px 10px;font-size:13px}.sidebar-footer{margin-top:12px}.content{padding:20px 16px}}