:root {
  --bg: #0f172a;
  --card: #111827;
  --muted: #94a3b8;
  --text: #e5e7eb;
  --line: #243244;
  --primary: #2563eb;
  --danger: #b91c1c;
  --warn: #92400e;
}
body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #020617;
  color: var(--text);
}
.page { max-width: 1180px; margin: 0 auto; padding: 24px; }
.topbar, .grid-2 { display: grid; gap: 16px; }
.topbar { grid-template-columns: 1fr auto; align-items: center; margin-bottom: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); margin-bottom: 16px; }
.card, .auth-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,.18);
}
.auth-card { max-width: 460px; margin: 80px auto; }
.form-grid { display: grid; gap: 14px; }
label span { display: block; margin-bottom: 6px; font-size: 14px; color: var(--muted); }
input[type="email"], input[type="password"], input[type="file"], textarea {
  width: 100%; box-sizing: border-box; border-radius: 10px; border: 1px solid var(--line);
  background: #0b1220; color: var(--text); padding: 12px;
}
button, .link-button {
  border: 0; border-radius: 10px; background: var(--primary); color: white; padding: 12px 16px;
  cursor: pointer; text-decoration: none; display: inline-block;
}
button.danger { background: var(--danger); }
.muted { color: var(--muted); }
.alert { border-radius: 10px; padding: 12px 14px; margin-top: 10px; }
.alert-error { background: rgba(185, 28, 28, .16); border: 1px solid rgba(185, 28, 28, .5); }
.alert-warn { background: rgba(146, 64, 14, .16); border: 1px solid rgba(146, 64, 14, .5); }
.metrics { display: flex; flex-wrap: wrap; gap: 12px; margin: 12px 0; }
.metric { background: #0b1220; border: 1px solid var(--line); border-radius: 12px; padding: 12px; min-width: 180px; }
.metric strong { display: block; margin-bottom: 4px; }
.inline-actions { display: inline-block; margin-right: 10px; margin-top: 8px; }
.list { display: grid; gap: 12px; }
.list-item { background: #0b1220; border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
pre { white-space: pre-wrap; word-break: break-word; background: rgba(255,255,255,.03); border-radius: 8px; padding: 10px; }
.checkbox-row { display: flex; gap: 8px; align-items: flex-start; }
.checkbox-row input { margin-top: 4px; }