:root {
  --maroon: #8B1F1F;
  --maroon-dark: #6E1818;
  --maroon-tint: #F6E9E7;
  --ink: #2B2723;
  --muted: #8A8378;
  --line: #E4DFD6;
  --bg: #FAF7F2;
  --card: #ffffff;
  --accent: var(--maroon);
  --accent-ink: #ffffff;
  --success: #2E7D32;
  --success-bg: #E8F5E9;
  --danger: #B3261E;
  --danger-bg: #FCEBEB;
  --radius: 14px;
  --font-serif: "Noto Serif TC", serif;
  --font-sans: "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
}

.site-header {
  background: var(--maroon);
  padding: 16px 16px;
  text-align: center;
}
.site-header .brand {
  display: inline-block;
  color: #fff;
  text-decoration: none;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.03em;
}
.site-header .brand span {
  display: block;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.82);
  margin-top: 3px;
  letter-spacing: 0.02em;
}

.page {
  max-width: 640px;
  margin: 0 auto;
  padding: 28px 16px 64px;
}
.page.page-wide {
  max-width: 960px;
}

h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 21px;
  margin: 0 0 4px;
  color: var(--ink);
}

.subtitle {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 22px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 16px;
  box-shadow: 0 1px 2px rgba(43, 39, 35, 0.04);
}

.card h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 16px;
  margin: 0 0 14px;
  color: var(--ink);
}

label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin: 14px 0 5px;
}
label:first-of-type { margin-top: 0; }

input[type="text"],
input[type="email"],
input[type="date"],
textarea,
select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--maroon);
  box-shadow: 0 0 0 3px var(--maroon-tint);
}

textarea { resize: vertical; min-height: 60px; }

.duration-toggle { display: flex; gap: 8px; }
.duration-toggle button {
  flex: 1;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.duration-toggle button.active {
  background: var(--maroon);
  border-color: var(--maroon);
  color: var(--accent-ink);
  font-weight: 600;
}

.row { display: flex; gap: 8px; align-items: flex-end; }
.row > div { flex: 1; }

button.btn {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
button.btn:hover { background: var(--maroon-tint); border-color: var(--maroon); }
button.btn.primary {
  background: var(--maroon);
  border-color: var(--maroon);
  color: var(--accent-ink);
  font-weight: 600;
  width: 100%;
  padding: 13px;
  font-size: 15px;
  margin-top: 8px;
}
button.btn.primary:hover { background: var(--maroon-dark); border-color: var(--maroon-dark); }
button.btn.primary:disabled { opacity: 0.5; cursor: not-allowed; }
button.btn.small { padding: 4px 10px; font-size: 12px; }

button.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.week-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 14px 0 12px;
}
.week-nav .week-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  min-width: 150px;
  text-align: center;
}

.week-grid-wrap { overflow-x: auto; }
table.week-grid {
  border-collapse: separate;
  border-spacing: 4px;
  width: 100%;
  min-width: 560px;
}
table.week-grid th {
  font-weight: 500;
  font-size: 12px;
  color: var(--muted);
  padding: 2px 4px 6px;
  text-align: center;
  line-height: 1.4;
}
table.week-grid td { padding: 0; }

.wg-time {
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
  text-align: right;
  padding-right: 6px !important;
  vertical-align: middle;
}

.wg-cell {
  height: 34px;
  min-width: 64px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}
.wg-cell.blocked {
  background: var(--bg);
  border: 1px solid var(--line);
}
.wg-cell.available {
  background: #fff;
  border: 1px solid var(--maroon);
  color: var(--maroon-dark);
  cursor: pointer;
  font-weight: 600;
}
.wg-cell.available:hover { background: var(--maroon-tint); }
.wg-cell.available.selected {
  background: var(--maroon);
  border-color: var(--maroon);
  color: #fff;
}
.week-grid-empty { color: var(--muted); font-size: 13px; margin-top: 8px; text-align: center; }

.cart-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.cart-item:last-child { border-bottom: none; }
.cart-empty { color: var(--muted); font-size: 13px; }

.hint { font-size: 12px; color: var(--muted); margin-top: 6px; }

.banner {
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 14px;
  margin-bottom: 16px;
}
.banner.success { background: var(--success-bg); color: #1B5E20; }
.banner.error { background: var(--danger-bg); color: #7A1E17; }

.status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
}
.status-badge.pending { background: #FAEEDA; color: #854F0B; }
.status-badge.confirmed { background: var(--success-bg); color: #1B5E20; }
.status-badge.declined { background: var(--danger-bg); color: #7A1E17; }
.status-badge.expired { background: #eee; color: #666; }

.hp-field { position: absolute; left: -9999px; top: -9999px; }

footer.site-footer {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  margin-top: 32px;
}
footer.site-footer a { color: var(--muted); }