:root { --bg: #0f172a; --fg: #e2e8f0; --muted: #94a3b8; --accent: #38bdf8; --err: #ef4444; --warn: #f59e0b; }
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; background: var(--bg); color: var(--fg); }
header { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid #1f2937; }
header h1 { margin: 0; font-size: 20px; }
header nav a { color: var(--accent); text-decoration: none; }
main { padding: 20px; max-width: 1000px; margin: 0 auto; }
.panel { background: #0b1220; border: 1px solid #1f2937; border-radius: 8px; padding: 16px; }
.controls { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; }
select, button { padding: 8px 10px; border-radius: 6px; border: 1px solid #1f2937; background: #0a0f1a; color: var(--fg); }
button { cursor: pointer; }
button:hover { border-color: var(--accent); }
.status { min-height: 20px; color: var(--muted); margin-bottom: 8px; }
.status.error { color: var(--err); }
.status.warn { color: var(--warn); }
table { width: 100%; border-collapse: collapse; }
th, td { border-bottom: 1px solid #1f2937; padding: 8px; text-align: left; }
th { color: var(--muted); font-weight: 600; }