/* Minimal, centered maintenance page with theme support */
:root {
  --bg-grad: radial-gradient(1000px 500px at 50% -10%, #15202b 0, #0f1720 60%);
  --card: #1a2330;
  --text: #e6edf3;
  --muted: #9fb0c3;
  --accent: #1976d2;
  --radius: 16px;
}
[data-theme="light"] {
  --bg-grad: radial-gradient(1000px 500px at 50% -10%, #eef4ff 0, #f7fafd 70%);
  --card: #ffffff;
  --text: #222;
  --muted: #5b6b7c;
  --accent: #1976d2;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg-grad); color: var(--text); font-family: 'Segoe UI','Roboto',Arial,sans-serif; display: grid; place-items: center; }

main.maintenance { width: 100%; padding: 1rem; }
.card {
  width: min(560px, 92vw);
  margin: 0 auto;
  background: var(--card);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
  padding: 2rem 1.6rem;
  text-align: center;
  overflow: visible; /* avoid clipping hover/focus effects of button */
}
.card i { font-size: 2.6rem; color: var(--accent); margin-bottom: .6rem; }
.card h1 { margin: .2rem 0 .6rem; font-size: 1.6rem; }
.card p { margin: .3rem 0; color: var(--muted); }
.until { font-style: italic; }
.btn { margin-top: 1rem; padding: .7rem 1rem; border-radius: 12px; border: none; background: var(--accent); color: #fff; cursor: pointer; font-size: 1rem; display: inline-flex; align-items: center; gap: .5rem; line-height: 1.2; }
.btn:hover { filter: brightness(1.05); }