:root {
  --bg: #f1f5f9;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --accent: #1e40af;
  --accent-text: #ffffff;
  --ok-bg: #dcfce7;
  --ok-text: #166534;
  --warn-bg: #fef3c7;
  --warn-text: #92400e;
  --err-bg: #fee2e2;
  --err-text: #991b1b;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --card: #111a2e;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --border: #22304d;
    --accent: #3b82f6;
    --ok-bg: #052e1a;
    --ok-text: #86efac;
    --warn-bg: #3a2a06;
    --warn-text: #fcd34d;
    --err-bg: #3b0d0d;
    --err-text: #fca5a5;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  padding: max(16px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.card {
  max-width: 480px;
  margin: 0 auto;
  padding: 24px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
}

h1 {
  margin: 0 0 4px;
  font-size: 1.5rem;
  line-height: 1.25;
}

.eyebrow {
  margin: 0 0 6px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.muted { color: var(--muted); }

.facts {
  margin: 16px 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.facts li {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 8px;
}

.facts .label {
  color: var(--muted);
  font-size: 0.9rem;
}

.spots {
  margin: 16px 0;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--bg);
  font-weight: 600;
}

.spots.full {
  background: var(--warn-bg);
  color: var(--warn-text);
}

.pay {
  margin: 16px 0;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px dashed var(--border);
  white-space: pre-wrap;
}

form {
  display: grid;
  gap: 14px;
  margin-top: 8px;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 600;
  font-size: 0.95rem;
}

label .optional {
  font-weight: 400;
  color: var(--muted);
}

input {
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  font: inherit;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
}

input:focus {
  outline: 3px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-color: var(--accent);
}

button {
  min-height: 52px;
  padding: 12px 16px;
  font: inherit;
  font-weight: 700;
  color: var(--accent-text);
  background: var(--accent);
  border: 0;
  border-radius: 12px;
  cursor: pointer;
}

button:disabled {
  opacity: 0.6;
  cursor: progress;
}

.notice {
  padding: 12px 14px;
  border-radius: 12px;
}

.notice.ok { background: var(--ok-bg); color: var(--ok-text); }
.notice.warn { background: var(--warn-bg); color: var(--warn-text); }
.notice.err { background: var(--err-bg); color: var(--err-text); }

.done h2 {
  margin: 0 0 8px;
  font-size: 1.25rem;
}

.small {
  font-size: 0.85rem;
}

a { color: var(--accent); }