:root{--bg: #f4f6f9;--surface: #ffffff;--border: #e2e6ec;--text: #1c2230;--text-muted: #6b7280;--primary: #14203b;--primary-dark: #1f4fbf;--danger: #9b1313;--danger-bg: #fdeeeb;--success: #1f9d55;--success-bg: #eafaf0;--sidebar-bg: #ffffff;--sidebar-text: #14203b;--sidebar-active: #14203b;--radius: 10px;--secondary: #14203b}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text)}.layout{display:flex;min-height:100vh}.sidebar{width:230px;flex-shrink:0;background:var(--sidebar-bg);color:var(--sidebar-text);padding:24px 16px;display:flex;flex-direction:column;gap:4px}.sidebar h1{font-size:15px;color:var(--sidebar-text);margin:0 0 24px 8px;line-height:1.3}.sidebar a{display:block;padding:10px 12px;border-radius:var(--radius);color:var(--sidebar-text);text-decoration:none;font-size:14px;margin-bottom:2px}.sidebar a:hover{background:#ffffff0f}.sidebar a.active{background:var(--sidebar-active);color:#fff}.content{flex:1;padding:28px 32px;max-width:1180px}.content h2{margin-top:0}.content a{color:var(--primary);text-decoration:none}.content a:hover{text-decoration:underline}.page-subtitle{color:var(--text-muted);margin-top:-8px;margin-bottom:24px;font-size:14px}.kpi-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:28px}.kpi-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px}.kpi-card .label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}.kpi-card .value{font-size:26px;font-weight:600;margin-top:6px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border)}th{color:var(--text-muted);font-weight:600;font-size:12px;text-transform:uppercase}tr:last-child td{border-bottom:none}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600}.badge-danger{background:var(--danger-bg);color:var(--danger)}.badge-success{background:var(--success-bg);color:var(--success)}.badge-muted{background:#eef1f6;color:var(--text-muted)}.rationale{color:var(--text-muted);font-size:12px}select,input[type=text],input[type=password],textarea{border:1px solid #c7cedb;background:var(--bg);border-radius:8px;padding:9px 12px;font-size:14px;font-family:inherit;color:var(--text)}select:focus,input[type=text]:focus,input[type=password]:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2f6fed26}textarea{width:100%;resize:vertical;line-height:1.5}.field-label{display:block;font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px}.chip{background:var(--bg);color:var(--text);border:1px solid #c7cedb;border-radius:999px;padding:6px 14px;font-size:13px;cursor:pointer}.chip:hover{background:#e9edf5}.mode-badge{display:inline-flex;align-items:center;gap:6px;border:1px solid #c7cedb;border-radius:999px;padding:4px 12px 4px 4px;font-size:12px;color:var(--text-muted);text-decoration:none}.mode-badge:hover{background:var(--bg)}button{background:var(--secondary);color:#fff;border:none;border-radius:8px;padding:9px 16px;font-size:14px;cursor:pointer}button:hover{background:var(--primary-dark)}button:disabled{background:#a9b6cc;cursor:not-allowed}.assistant-columns{display:grid;grid-template-columns:1fr 1fr;gap:16px}.assistant-answer{white-space:pre-wrap;font-size:14px;line-height:1.5}.provider-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.loading{color:var(--text-muted);font-size:13px}.error-text{color:var(--danger);font-size:13px}.chat-thread{display:flex;flex-direction:column;gap:16px}.chat-row{display:flex;flex-direction:column}.chat-row.user{align-items:flex-end}.chat-row.assistant{align-items:flex-start}.chat-bubble{max-width:78%;padding:12px 16px;border-radius:16px;font-size:14px;line-height:1.5;white-space:pre-wrap}.chat-row.user .chat-bubble{background:var(--primary);color:#fff;border-bottom-right-radius:4px}.chat-row.assistant .chat-bubble{background:var(--bg);color:var(--text);border:1px solid var(--border);border-bottom-left-radius:4px}.chat-meta{font-size:11px;color:var(--text-muted);margin-top:5px}.chat-row.user .chat-meta{margin-right:2px}.chat-row.assistant .chat-meta{margin-left:2px}