:root {
  --bg: #0f1419;
  --card: #1a2332;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #3d8bfd;
  --danger: #f85149;
  --ok: #3fb950;
  --border: #30363d;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}
body.auth {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

a { color: var(--accent); }
.muted { color: var(--muted); font-size: 0.9rem; }
.error { color: var(--danger); }
.ok { color: var(--ok); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.75rem;
  max-width: 420px;
  width: 100%;
}
.card h1 { margin: 0 0 0.25rem; font-size: 1.35rem; }

label { display: block; margin-top: 1rem; font-size: 0.85rem; color: var(--muted); }
input, select, textarea {
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.55rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #0d1117;
  color: var(--text);
  font-size: 1rem;
}
textarea { min-height: 4rem; resize: vertical; }

button, .btn {
  display: inline-block;
  margin-top: 1.25rem;
  padding: 0.55rem 1rem;
  border-radius: 6px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  font-size: 0.95rem;
}
.btn-secondary { background: #30363d; color: var(--text); }
.btn-danger { background: var(--danger); }

.layout {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem;
}
.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.top h1 { margin: 0; font-size: 1.25rem; }
.top nav { display: flex; gap: 1rem; align-items: center; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th, td {
  text-align: left;
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border);
}
th { color: var(--muted); font-weight: 600; }
tr:hover td { background: rgba(255,255,255,0.03); }
.badge { font-size: 0.75rem; padding: 0.2rem 0.45rem; border-radius: 4px; background: #30363d; }
.badge.off { opacity: 0.6; }

.form-grid {
  display: grid;
  gap: 1rem;
}
@media (min-width: 640px) {
  .form-grid.two { grid-template-columns: 1fr 1fr; }
}