:root{--c-bg: #0a0a0f;--c-surface: #14141c;--c-surface-2: #1c1c28;--c-border: #26263a;--c-text: #e8e8f0;--c-text-dim: #8888a0;--c-primary: #6366f1;--c-primary-hover: #5457e0;--c-success: #10b981;--c-warn: #f59e0b;--c-danger: #ef4444;--radius: 8px;--font: ui-sans-serif, -apple-system, "Segoe UI", system-ui, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font);background:var(--c-bg);color:var(--c-text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--c-primary);text-decoration:none}a:hover{text-decoration:underline}button,input,textarea,select{font:inherit;color:inherit}button{background:var(--c-primary);color:#fff;border:none;padding:8px 16px;border-radius:var(--radius);cursor:pointer;font-weight:500;transition:background .15s}button:hover:not(:disabled){background:var(--c-primary-hover)}button:disabled{opacity:.5;cursor:not-allowed}button.ghost{background:transparent;border:1px solid var(--c-border);color:var(--c-text)}button.ghost:hover{background:var(--c-surface-2)}button.danger{background:var(--c-danger)}button.danger:hover{background:#d73838}button.sm{padding:4px 10px;font-size:12px}input,textarea,select{width:100%;background:var(--c-surface);border:1px solid var(--c-border);padding:8px 12px;border-radius:var(--radius);outline:none;transition:border-color .15s}input:focus,textarea:focus,select:focus{border-color:var(--c-primary)}textarea{font-family:var(--font);resize:vertical;min-height:80px}label{display:block;font-size:12px;color:var(--c-text-dim);margin-bottom:4px;font-weight:500}.field{margin-bottom:16px}.layout{display:grid;grid-template-columns:220px 1fr;height:100vh}.sidebar{background:var(--c-surface);border-right:1px solid var(--c-border);padding:20px 12px;display:flex;flex-direction:column}.sidebar h1{font-size:18px;margin:0 0 24px 8px;color:var(--c-text)}.sidebar nav a{display:block;padding:8px 12px;border-radius:var(--radius);color:var(--c-text-dim);font-weight:500;margin-bottom:2px;text-decoration:none}.sidebar nav a:hover{background:var(--c-surface-2);color:var(--c-text)}.sidebar nav a.active{background:var(--c-primary);color:#fff}.sidebar .footer{margin-top:auto;padding:12px;border-top:1px solid var(--c-border);font-size:12px;color:var(--c-text-dim)}.main{overflow-y:auto;padding:32px 40px}.main h1{font-size:24px;margin:0 0 4px}.main .sub{color:var(--c-text-dim);margin-bottom:24px}.card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);padding:20px;margin-bottom:16px}.row{display:flex;gap:12px;align-items:center}.row.between{justify-content:space-between}.row.wrap{flex-wrap:wrap}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.tag{display:inline-block;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:500;background:var(--c-surface-2);color:var(--c-text-dim)}.tag.success{background:#10b98126;color:var(--c-success)}.tag.warn{background:#f59e0b26;color:var(--c-warn)}.tag.danger{background:#ef444426;color:var(--c-danger)}.tag.info{background:#6366f126;color:var(--c-primary)}.error{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:var(--c-danger);padding:10px 14px;border-radius:var(--radius);margin-bottom:16px;font-size:13px}.auth-shell{display:flex;align-items:center;justify-content:center;height:100vh;padding:20px}.auth-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);padding:32px;width:100%;max-width:380px}.auth-card h1{margin:0 0 4px;font-size:22px}.auth-card p.sub{color:var(--c-text-dim);margin:0 0 24px;font-size:13px}.auth-card .switch{text-align:center;margin-top:16px;font-size:13px;color:var(--c-text-dim)}.empty{text-align:center;padding:60px 20px;color:var(--c-text-dim);border:2px dashed var(--c-border);border-radius:var(--radius)}.chat-shell{display:grid;grid-template-rows:1fr auto;height:70vh;max-height:600px;border:1px solid var(--c-border);border-radius:var(--radius);overflow:hidden}.chat-log{padding:16px;overflow-y:auto;background:var(--c-bg)}.chat-input{display:flex;gap:8px;padding:12px;border-top:1px solid var(--c-border);background:var(--c-surface)}.msg{padding:10px 14px;border-radius:var(--radius);max-width:80%;margin-bottom:8px;font-size:14px;line-height:1.5;white-space:pre-wrap}.msg.user{background:var(--c-primary);color:#fff;margin-left:auto}.msg.assistant{background:var(--c-surface-2);color:var(--c-text)}.msg.system{background:transparent;color:var(--c-text-dim);font-size:12px;text-align:center;max-width:100%;padding:4px 0}.code{background:var(--c-surface-2);border:1px solid var(--c-border);border-radius:var(--radius);padding:12px;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:12px;white-space:pre-wrap;word-break:break-all}table{width:100%;border-collapse:collapse}th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--c-border);font-size:13px}th{color:var(--c-text-dim);font-weight:500;font-size:12px;text-transform:uppercase;letter-spacing:.05em}tr:hover td{background:var(--c-surface-2)}