:root {
  color-scheme: light;
  --bg: #f5f2ec;
  --panel: #ffffff;
  --text: #171717;
  --muted: #6b665e;
  --line: #e0d8cc;
  --accent: #c9923b;
  --accent-dark: #9b6a24;
  --accent-soft: #fbf0dd;
  --warn: #8c5b12;
  --danger: #9c2d1f;
  --black: #101010;
  --shadow: 0 24px 70px rgba(18, 15, 10, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  background:
    linear-gradient(135deg, rgba(201, 146, 59, 0.18), transparent 35%),
    radial-gradient(circle at 86% 14%, rgba(16, 16, 16, 0.08), transparent 28%),
    var(--bg);
  color: var(--text);
}

.page {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0;
}

.booking-shell {
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(0, 1.4fr);
  gap: 0;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid #ded3c2;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.intro {
  padding: 34px;
  background: linear-gradient(180deg, #0e0e0e 0%, #202020 100%);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  color: #f7fbf9;
}

.brand-logo {
  display: block;
  width: min(220px, 82%);
  height: auto;
  margin: 0 0 26px;
  border-radius: 6px;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.28);
}

.eyebrow {
  margin: 0 0 10px;
  color: #e6bf78;
  font-size: 14px;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: 34px;
  line-height: 1.18;
  letter-spacing: 0;
}

.lead {
  margin: 16px 0 0;
  color: #d8d1c8;
  line-height: 1.7;
}

.shop-info {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.shop-info div {
  padding-top: 14px;
  border-top: 1px solid rgba(230, 191, 120, 0.24);
}

.shop-info span,
.booking-form span,
legend {
  display: block;
  font-size: 14px;
  font-weight: 700;
}

.shop-info span {
  color: #d5ad67;
}

.booking-form span,
legend {
  color: var(--muted);
}

.shop-info strong {
  display: block;
  margin-top: 6px;
  line-height: 1.5;
}

.booking-form {
  padding: 34px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

label.full {
  display: block;
  margin-top: 22px;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  margin-top: 8px;
  padding: 11px 12px;
  border: 1px solid #d8cec0;
  border-radius: 6px;
  background: #fffdf9;
  color: var(--text);
  font: inherit;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

select option:disabled {
  color: #9b9388;
  background: #eee9e1;
}

textarea {
  resize: vertical;
  line-height: 1.5;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(23, 107, 82, 0.14);
  outline: none;
}

fieldset {
  margin: 24px 0 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf9;
}

legend {
  padding: 0 8px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.service-grid label {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 8px 10px;
  border: 1px solid #e4d9c8;
  border-radius: 6px;
  background: #ffffff;
  color: var(--text);
  font-weight: 600;
}

.service-grid input {
  width: 18px;
  min-height: 18px;
  margin: 0;
  accent-color: var(--accent);
}

.notice {
  margin: 18px 0;
  color: var(--warn);
  font-size: 14px;
  line-height: 1.6;
}

.availability-message {
  margin: 16px 0 0;
  padding: 12px 14px;
  border: 1px solid #ead7b6;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
}

.availability-message.is-paused {
  border-color: #e0c7be;
  background: #fff1ed;
  color: var(--danger);
}

.submit-button {
  width: 100%;
  min-height: 50px;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #111;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  box-shadow: 0 12px 24px rgba(201, 146, 59, 0.28);
}

.submit-button:hover {
  background: var(--accent-dark);
  color: #fff;
}

.submit-button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.form-message {
  min-height: 24px;
  margin: 14px 0 0;
  color: var(--accent-dark);
  font-weight: 700;
}

.form-message.error {
  color: var(--danger);
}

@media (max-width: 820px) {
  .page {
    width: min(100% - 20px, 640px);
    padding: 10px 0;
  }

  .booking-shell,
  .form-grid,
  .service-grid {
    grid-template-columns: 1fr;
  }

  .intro {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .intro,
  .booking-form {
    padding: 24px;
  }

  h1 {
    font-size: 28px;
  }
}