:root {
  --bg-page: #0f1117;
  --bg-card: #1a1d27;
  --bg-hover: #242836;
  --text-primary: #e4e4e7;
  --text-secondary: #9ca3af;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --border: #2d3142;
  --success: #22c55e;
  --danger: #ef4444;
  --shadow: 0 2px 8px rgba(0,0,0,0.3);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--bg-page); color: var(--text-primary); }
.navbar { display: flex; justify-content: space-between; align-items: center; padding: 1rem 2rem; background: var(--bg-card); border-bottom: 1px solid var(--border); }
.logo { color: var(--accent); font-weight: 700; font-size: 1.1rem; text-decoration: none; letter-spacing: 0.1em; }
.nav-right { display: flex; gap: 1rem; }
.nav-link { color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; }
.nav-link:hover { color: var(--text-primary); }
.container { max-width: 900px; margin: 2rem auto; padding: 0 1rem; }
.stats-bar { display: flex; gap: 2rem; padding: 1rem 0; color: var(--text-secondary); font-size: 0.95rem; }
.stat { display: flex; align-items: center; gap: 0.3rem; }
.data-table { width: 100%; border-collapse: collapse; background: var(--bg-card); border-radius: 8px; overflow: hidden; box-shadow: var(--shadow); }
.data-table th { text-align: left; padding: 0.75rem 1rem; font-size: 0.8rem; text-transform: uppercase; color: var(--text-secondary); border-bottom: 1px solid var(--border); }
.data-table td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover { background: var(--bg-hover); }
.data-table a { color: var(--accent); text-decoration: none; }
.data-table a:hover { color: var(--accent-hover); }
.badge { padding: 0.15rem 0.5rem; border-radius: 4px; font-size: 0.75rem; font-weight: 600; }
.badge.shield { background: rgba(99,102,241,0.15); color: var(--accent); }
.badge.direct { background: rgba(34,197,94,0.15); color: var(--success); }
.badge.unknown { background: rgba(156,163,175,0.15); color: var(--text-secondary); }
.dot { font-size: 1.2rem; }
.dot.online { color: var(--success); }
.dot.offline { color: var(--text-secondary); }
.user-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.user-header h2 { font-size: 1.3rem; }
.back { color: var(--text-secondary); text-decoration: none; font-size: 1.5rem; }
.config-links { display: flex; gap: 0.75rem; margin-top: 1.5rem; flex-wrap: wrap; }
.btn { padding: 0.5rem 1rem; background: var(--accent); color: white; text-decoration: none; border-radius: 6px; font-size: 0.85rem; border: none; cursor: pointer; }
.btn:hover { background: var(--accent-hover); }
h3 { margin: 1.5rem 0 0.75rem; font-size: 1rem; color: var(--text-secondary); }
/* Login */
.login-body { display: flex; justify-content: center; align-items: center; min-height: 100vh; }
.login-form { background: var(--bg-card); padding: 2.5rem; border-radius: 12px; box-shadow: var(--shadow); width: 100%; max-width: 360px; }
.login-form h1 { text-align: center; color: var(--accent); letter-spacing: 0.15em; font-size: 1.2rem; margin-bottom: 1.5rem; }
.login-form input { width: 100%; padding: 0.7rem; margin-bottom: 0.75rem; background: var(--bg-page); border: 1px solid var(--border); border-radius: 6px; color: var(--text-primary); font-size: 0.9rem; }
.login-form button { width: 100%; padding: 0.7rem; background: var(--accent); color: white; border: none; border-radius: 6px; font-size: 0.95rem; cursor: pointer; margin-top: 0.5rem; }
.login-form button:hover { background: var(--accent-hover); }
.error { color: var(--danger); text-align: center; margin-bottom: 1rem; font-size: 0.9rem; }
@media (max-width: 640px) { .container { padding: 0 0.5rem; } .stats-bar { flex-direction: column; gap: 0.5rem; } }