:root {
  color-scheme: light dark;
  --fg: #11181c;
  --muted: #60646c;
  --bg: #ffffff;
  --surface: #f0f0f3;
  --border: #e0e1e6;
  --accent: #208aef;
  --danger: #d93036;
  --success: #1a7f37;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #ecedee;
    --muted: #b0b4ba;
    --bg: #0b0b0c;
    --surface: #1c1d1f;
    --border: #2e3135;
    --accent: #4fa3f7;
    --danger: #ff6369;
    --success: #3fb950;
  }
}

* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--fg); line-height: 1.6; }
header, main, footer { max-width: 760px; margin: 0 auto; padding: 16px; }
header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border); }
.brand { font-weight: 700; font-size: 20px; color: var(--fg); text-decoration: none; }
a { color: var(--accent); }
h1 { font-size: 28px; line-height: 1.25; }
h2 { font-size: 19px; margin-top: 28px; }
.lead { font-size: 20px; color: var(--muted); }
.muted { color: var(--muted); font-size: 14px; }
.draft { color: var(--danger); font-weight: 600; }
table { width: 100%; border-collapse: collapse; font-size: 14px; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--border); padding: 6px 8px; text-align: left; vertical-align: top; }
th { background: var(--surface); }
footer { border-top: 1px solid var(--border); font-size: 13px; color: var(--muted); }
form { display: grid; gap: 8px; margin: 16px 0; }
label { font-weight: 500; }
label.check { font-weight: 400; display: flex; gap: 8px; align-items: flex-start; }
input[type="tel"], input[inputmode] { font-size: 17px; padding: 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); color: var(--fg); }
button { font-size: 16px; font-weight: 600; padding: 12px; border: 0; border-radius: 10px; background: var(--accent); color: #fff; cursor: pointer; }
button.danger { background: var(--danger); }
#status.error { color: var(--danger); }
#status.success { color: var(--success); font-weight: 600; }