:root {
  --booking-bg: var(--rgf-cream, #f7f5f0);
  --booking-panel: var(--rgf-white, #ffffff);
  --booking-ink: var(--rgf-navy, #345e76);
  --booking-muted: var(--rgf-muted, #5a6b73);
  --booking-border: var(--rgf-border, #dbd3c9);
  --booking-primary: var(--rgf-primary, #467c9a);
  --booking-primary-dark: var(--rgf-deep, #26424f);
  --booking-accent: var(--rgf-gold, #ce592f);
  --booking-accent-dark: var(--rgf-gold-deep, #a8431f);
  --booking-shadow: rgba(38, 66, 79, 0.1);
}

* {
  box-sizing: border-box;
}

body.booking-page {
  min-height: 100vh;
  margin: 0;
  background: var(--booking-bg);
  color: var(--booking-ink);
  font-family: "Noto Sans TC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

.booking-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.booking-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.booking-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--booking-primary-dark);
  text-decoration: none;
  font-weight: 800;
}

.booking-brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.booking-brand span {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--booking-muted);
}

.booking-top-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.booking-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 18px;
  align-items: start;
}

.booking-layout--single {
  grid-template-columns: 1fr;
}

.booking-panel {
  background: var(--booking-panel);
  border: 1px solid var(--booking-border);
  border-radius: 8px;
  box-shadow: 0 10px 30px var(--booking-shadow);
  padding: 22px;
}

.booking-panel h1,
.booking-panel h2,
.booking-panel h3,
.booking-section-title {
  margin: 0;
  color: var(--booking-primary-dark);
  line-height: 1.25;
}

.booking-panel h1 {
  font-size: clamp(1.55rem, 3vw, 2.25rem);
}

.booking-panel h2,
.booking-section-title {
  font-size: 1.18rem;
}

.booking-panel h3 {
  font-size: 1rem;
}

.booking-lead {
  margin: 10px 0 0;
  color: var(--booking-muted);
  max-width: 62ch;
}

.booking-form {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.booking-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.booking-field {
  display: grid;
  gap: 6px;
}

.booking-field span,
.booking-field label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--booking-primary-dark);
}

.booking-field input,
.booking-field select,
.booking-field textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--booking-border);
  border-radius: 8px;
  padding: 10px 12px;
  background: #ffffff;
  color: var(--booking-primary-dark);
  font: inherit;
  outline: none;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.booking-field textarea {
  min-height: 108px;
  resize: vertical;
}

.booking-field input:focus,
.booking-field select:focus,
.booking-field textarea:focus {
  border-color: var(--booking-primary);
  box-shadow: 0 0 0 3px rgba(70, 124, 154, 0.14);
}

.booking-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.booking-btn {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 10px 16px;
  color: #ffffff;
  background: var(--booking-primary);
  font: inherit;
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.booking-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(38, 66, 79, 0.16);
}

.booking-btn:disabled {
  cursor: not-allowed;
  opacity: 0.52;
  transform: none;
  box-shadow: none;
}

.booking-btn--accent {
  background: linear-gradient(135deg, var(--booking-accent), var(--booking-accent-dark));
}

.booking-btn--ghost {
  background: #ffffff;
  border-color: var(--booking-border);
  color: var(--booking-primary-dark);
}

.booking-btn--danger {
  background: #ffffff;
  border-color: rgba(180, 35, 24, 0.22);
  color: #b42318;
}

.booking-alert {
  margin-top: 14px;
  border-radius: 8px;
  padding: 12px 14px;
  background: rgba(70, 124, 154, 0.1);
  color: var(--booking-primary-dark);
  font-weight: 700;
}

.booking-alert[hidden] {
  display: none;
}

.booking-alert--success {
  background: rgba(6, 199, 85, 0.1);
  color: #067647;
}

.booking-alert--error {
  background: rgba(180, 35, 24, 0.08);
  color: #b42318;
}

.booking-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.booking-slot,
.booking-reservation {
  display: grid;
  gap: 12px;
  border: 1px solid var(--booking-border);
  border-radius: 8px;
  padding: 16px;
  background: #ffffff;
}

.booking-slot {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

.booking-slot--selected {
  border-color: var(--booking-accent);
  box-shadow: 0 0 0 3px rgba(206, 89, 47, 0.12);
}

.booking-slot--closed {
  opacity: 0.62;
}

.booking-slot__main {
  min-width: 0;
}

.booking-slot__date {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 900;
  color: var(--booking-primary-dark);
}

.booking-slot__meta,
.booking-reservation__meta,
.booking-empty,
.booking-small {
  color: var(--booking-muted);
  font-size: 0.92rem;
}

.booking-slot__meta {
  margin-top: 3px;
}

.booking-slot__note {
  margin: 8px 0 0;
  color: var(--booking-primary-dark);
}

.booking-slot__side {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.booking-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 4px 10px;
  background: rgba(70, 124, 154, 0.11);
  color: var(--booking-primary-dark);
  font-size: 0.8rem;
  font-weight: 800;
  white-space: nowrap;
}

.booking-badge--accent {
  background: rgba(206, 89, 47, 0.12);
  color: var(--booking-accent-dark);
}

.booking-badge--closed {
  background: rgba(90, 107, 115, 0.12);
  color: var(--booking-muted);
}

.booking-empty {
  border: 1px dashed var(--booking-border);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}

.booking-reservation {
  background: rgba(247, 245, 240, 0.76);
}

.booking-reservation__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.booking-reservation__head strong {
  color: var(--booking-primary-dark);
  font-size: 1.02rem;
}

.booking-tabs {
  display: inline-flex;
  gap: 6px;
  padding: 5px;
  border: 1px solid var(--booking-border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.booking-tab {
  min-height: 36px;
  border: 0;
  border-radius: 6px;
  padding: 7px 11px;
  background: transparent;
  color: var(--booking-muted);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.booking-tab.is-active {
  background: var(--booking-primary);
  color: #ffffff;
}

.booking-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.booking-summary {
  border: 1px solid var(--booking-border);
  border-radius: 8px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.72);
}

.booking-summary strong {
  display: block;
  font-size: 1.45rem;
  color: var(--booking-primary-dark);
}

.booking-summary span {
  color: var(--booking-muted);
  font-size: 0.88rem;
}

.booking-split-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.booking-client-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.75fr);
  gap: 18px;
  align-items: start;
}

.booking-confirm-box {
  border: 1px solid rgba(6, 199, 85, 0.2);
  border-radius: 8px;
  padding: 16px;
  background: rgba(6, 199, 85, 0.08);
}

.booking-confirm-box[hidden] {
  display: none;
}

.booking-confirm-box strong {
  color: #067647;
}

@media (max-width: 860px) {
  .booking-layout,
  .booking-client-grid,
  .booking-form-grid {
    grid-template-columns: 1fr;
  }

  .booking-slot {
    grid-template-columns: 1fr;
  }

  .booking-slot__side {
    justify-content: flex-start;
  }
}

@media (max-width: 620px) {
  .booking-shell {
    width: min(100% - 24px, 1120px);
    padding-top: 18px;
  }

  .booking-topbar,
  .booking-reservation__head {
    align-items: stretch;
  }

  .booking-topbar {
    flex-direction: column;
  }

  .booking-top-actions,
  .booking-actions,
  .booking-btn,
  .booking-tabs {
    width: 100%;
  }

  .booking-btn,
  .booking-tab {
    flex: 1 1 auto;
  }

  .booking-panel {
    padding: 18px;
  }

  .booking-summary-grid {
    grid-template-columns: 1fr;
  }
}