:root {
  --fg: #1a1a1a;
  --muted: #666;
  --bg: #fafafa;
  --card: #fff;
  --border: #e2e2e2;
  --accent: #d4001a;
  --ok: #0a7c2f;
  --err: #b00020;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}
.wrap {
  max-width: 640px;
  margin: 2rem auto;
  padding: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
}
header h1 { margin: 0 0 0.25rem; font-size: 1.5rem; }
.subtitle { margin: 0 0 1rem; color: var(--muted); }
.mock-banner {
  background: #fff7d6;
  border: 1px solid #e6c200;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.9rem;
}
form label {
  display: block;
  margin: 0.75rem 0;
  font-weight: 500;
}
input[type="text"], input[type="email"], input[type="tel"], input[type="number"], textarea {
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.55rem 0.65rem;
  font: inherit;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
}
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
textarea { resize: vertical; }
.req { color: var(--accent); }
fieldset {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem 1rem 1rem;
  margin: 1rem 0;
}
legend { font-weight: 600; padding: 0 0.4rem; }
.hint { color: var(--muted); font-size: 0.9rem; margin: 0.25rem 0 0; }
.hint.ok { color: var(--ok); }
.hint.err { color: var(--err); }
.qty { max-width: 8rem; }
.coupon .row { display: flex; gap: 0.5rem; }
.coupon input { flex: 1; }
.coupon button {
  padding: 0 1rem;
  border: 1px solid var(--border);
  background: #f4f4f4;
  border-radius: 6px;
  cursor: pointer;
}
.totals {
  margin: 1rem 0;
  padding: 0.75rem 1rem;
  background: #f4f4f4;
  border-radius: 6px;
  font-size: 0.95rem;
}
.totals .total {
  margin-top: 0.4rem;
  padding-top: 0.4rem;
  border-top: 1px solid var(--border);
  font-weight: 700;
  font-size: 1.1rem;
}
#paypal-button-container { margin-top: 1rem; }
.error {
  margin-top: 0.75rem;
  padding: 0.5rem 0.75rem;
  background: #fde7ea;
  border: 1px solid var(--err);
  color: var(--err);
  border-radius: 6px;
}
#thanks h2 { color: var(--ok); }
.muted { color: var(--muted); font-size: 0.85rem; }