:root {
  --bg: #0b1220;
  --card: #121a2b;
  --line: rgba(255,255,255,.08);
  --text: #e8eefc;
  --muted: #8b9bb8;
  --accent: #3b82f6;
  --ok: #22c55e;
  --danger: #ef4444;
  --font: "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(900px 500px at 10% -10%, #1a2a4a, transparent),
              linear-gradient(160deg, #070b14, var(--bg));
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card, .card {
  width: min(440px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
}
.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  letter-spacing: .14em;
  text-transform: uppercase;
  font-size: .75rem;
  font-weight: 700;
}
h1, h2 { margin: 0 0 8px; }
.sub, .muted { color: var(--muted); }
label {
  display: block;
  margin: 12px 0 6px;
  color: var(--muted);
  font-size: .9rem;
}
input, select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0a1020;
  color: var(--text);
}
button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 16px;
  padding: 12px 18px;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}
.btn-ok { background: var(--ok); color: #04150f; }
.btn-danger { background: var(--danger); }
.alert {
  background: rgba(239,68,68,.12);
  border: 1px solid rgba(239,68,68,.35);
  color: #fecaca;
  padding: 10px 12px;
  border-radius: 10px;
}
.ok {
  background: rgba(34,197,94,.12);
  border: 1px solid rgba(34,197,94,.35);
  color: #bbf7d0;
  padding: 10px 12px;
  border-radius: 10px;
}
.shell { max-width: 1100px; margin: 0 auto; padding: 28px 20px 60px; }
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 18px;
}
@media (max-width: 900px) { .grid { grid-template-columns: 1fr; } }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .92rem;
}
th, td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}
th { color: var(--muted); font-weight: 600; }
.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 700;
}
.badge-on { background: rgba(34,197,94,.2); color: #86efac; }
.badge-off { background: rgba(239,68,68,.2); color: #fca5a5; }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.row-actions form { margin: 0; }
.row-actions button { margin-top: 0; padding: 8px 10px; font-size: .8rem; }