/* ══════════════════════════════════════════════════════════════
   BOOKING EXPERIENCE — Premium Multi-Section Booking Form
   Prefix: .bk-
   ══════════════════════════════════════════════════════════════ */

/* ── Variables ────────────────────────────────────────────── */
.bk-root {
  --bk-radius-sm: 8px;
  --bk-radius-md: 12px;
  --bk-radius-lg: 16px;
  --bk-shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --bk-shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --bk-shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
  --bk-transition: 200ms cubic-bezier(0.4,0,0.2,1);
}

/* ── Page Layout ──────────────────────────────────────────── */
.bk-page {
  min-height: 100dvh;
  padding: calc(var(--nav-height, 80px) + var(--space-8)) var(--space-4) var(--space-16);
  background: var(--color-bg);
  position: relative;
}

.bk-page::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 400px at 20% 10%, rgba(200,164,92,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 500px 500px at 80% 90%, rgba(26,107,111,0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.bk-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-8);
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  align-items: start;
}

.bk-main {
  min-width: 0;
}

/* ── Section Container ────────────────────────────────────── */
.bk-section {
  background: var(--color-surface);
  border-radius: var(--bk-radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-7);
  margin-bottom: var(--space-5);
  transition: box-shadow var(--bk-transition);
}

.bk-section:focus-within {
  box-shadow: 0 0 0 1px var(--color-accent);
  border-color: var(--color-accent);
}

.bk-section-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
}

.bk-section-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--text-sm);
  font-weight: 700;
  flex-shrink: 0;
}

.bk-section-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  margin: 0;
}

.bk-section-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: var(--space-1) 0 0;
}

/* ── Tour Summary Card ────────────────────────────────────── */
.bk-tour-summary {
  display: flex;
  gap: var(--space-5);
  align-items: center;
}

.bk-tour-image {
  width: 100px;
  height: 75px;
  border-radius: var(--bk-radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-bg-warm);
}

.bk-tour-info {
  flex: 1;
  min-width: 0;
}

.bk-tour-name {
  font-family: var(--font-display);
  font-size: var(--text-md);
  color: var(--color-text);
  margin: 0 0 var(--space-1);
}

.bk-tour-meta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.bk-tour-meta-item {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.bk-tour-rating {
  display: flex;
  align-items: center;
  gap: 2px;
  color: var(--color-accent);
  font-size: var(--text-sm);
}

.bk-tour-rating svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

/* ── Date & Time ──────────────────────────────────────────── */
.bk-datetime-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.bk-date-wrap {
  position: relative;
}

.bk-date-input {
  width: 100%;
  height: 50px;
  padding: 0 var(--space-4);
  border: 2px solid var(--color-border);
  border-radius: var(--bk-radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--bk-transition);
  appearance: none;
  -webkit-appearance: none;
}

.bk-date-input:focus {
  border-color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.bk-date-input.has-value {
  border-color: var(--color-secondary);
}

.bk-time-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.bk-time-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  border: 2px solid var(--color-border);
  border-radius: var(--bk-radius-sm);
  background: var(--color-surface);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--bk-transition);
  user-select: none;
  -webkit-user-select: none;
}

.bk-time-slot:hover {
  border-color: var(--color-secondary-light);
  background: var(--color-bg-warm);
}

.bk-time-slot:focus-visible {
  outline: 2.5px solid var(--color-accent);
  outline-offset: 2px;
}

.bk-time-slot.selected {
  border-color: var(--color-secondary);
  background: var(--color-secondary);
  color: var(--color-white);
}

.bk-time-slot.unavailable {
  opacity: 0.4;
  cursor: not-allowed;
  text-decoration: line-through;
  background: var(--color-bg);
}

/* ── Guest Selector ────────────────────────────────────────── */
.bk-guests {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.bk-guest-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.bk-guest-row:last-child {
  border-bottom: none;
}

.bk-guest-label {
  display: flex;
  flex-direction: column;
}

.bk-guest-type {
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
}

.bk-guest-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.bk-stepper {
  display: flex;
  align-items: center;
  gap: 0;
  border: 2px solid var(--color-border);
  border-radius: var(--bk-radius-sm);
  overflow: hidden;
}

.bk-stepper-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: var(--color-bg-warm);
  color: var(--color-text);
  font-size: var(--text-lg);
  font-weight: 700;
  cursor: pointer;
  transition: background var(--bk-transition);
  line-height: 1;
}

.bk-stepper-btn:hover:not(:disabled) {
  background: var(--color-border);
}

.bk-stepper-btn:focus-visible {
  outline: 2.5px solid var(--color-accent);
  outline-offset: -2px;
}

.bk-stepper-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.bk-stepper-value {
  width: 48px;
  text-align: center;
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-text);
  border: none;
  background: transparent;
  -moz-appearance: textfield;
}

.bk-stepper-value::-webkit-inner-spin-button,
.bk-stepper-value::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.bk-stepper-value:focus {
  outline: none;
}

/* ── Add-ons ───────────────────────────────────────────────── */
.bk-addons {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-3);
}

.bk-addon-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--color-border);
  border-radius: var(--bk-radius-sm);
  cursor: pointer;
  transition: all var(--bk-transition);
  background: var(--color-surface);
  user-select: none;
  -webkit-user-select: none;
}

.bk-addon-card:hover {
  border-color: var(--color-secondary-light);
  background: var(--color-bg-warm);
}

.bk-addon-card:focus-visible {
  outline: 2.5px solid var(--color-accent);
  outline-offset: 2px;
}

.bk-addon-card.selected {
  border-color: var(--color-secondary);
  background: rgba(26,107,111,0.04);
}

.bk-addon-check {
  width: 22px;
  height: 22px;
  border: 2px solid var(--color-border-medium);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  transition: all var(--bk-transition);
}

.bk-addon-card.selected .bk-addon-check {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
}

.bk-addon-check svg {
  width: 12px;
  height: 12px;
  opacity: 0;
  transition: opacity var(--bk-transition);
}

.bk-addon-card.selected .bk-addon-check svg {
  opacity: 1;
}

.bk-addon-info {
  flex: 1;
  min-width: 0;
}

.bk-addon-name {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.bk-addon-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.bk-addon-price {
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-secondary);
  white-space: nowrap;
  margin-top: 2px;
}

/* ── Special Requests ──────────────────────────────────────── */
.bk-textarea {
  width: 100%;
  min-height: 90px;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--color-border);
  border-radius: var(--bk-radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-surface);
  resize: vertical;
  transition: border-color var(--bk-transition);
  line-height: var(--lh-relaxed);
}

.bk-textarea:focus {
  border-color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.bk-textarea::placeholder {
  color: var(--color-text-light);
}

/* ── Contact Info ──────────────────────────────────────────── */
.bk-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.bk-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.bk-field.full {
  grid-column: 1 / -1;
}

.bk-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.bk-label .bk-req {
  color: var(--color-danger);
  font-weight: 700;
}

.bk-input {
  width: 100%;
  height: 48px;
  padding: 0 var(--space-3);
  border: 2px solid var(--color-border);
  border-radius: var(--bk-radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--bk-transition);
  box-sizing: border-box;
}

.bk-input:focus {
  border-color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.bk-input::placeholder {
  color: var(--color-text-light);
}

.bk-input.error {
  border-color: var(--color-danger);
}

.bk-input.error:focus {
  box-shadow: 0 0 0 3px rgba(196,58,74,0.15);
}

.bk-error {
  font-size: var(--text-xs);
  color: var(--color-danger);
  min-height: 18px;
  line-height: 1.3;
}

/* ── Phone Input ───────────────────────────────────────────── */
.bk-phone-wrap {
  display: flex;
  gap: 0;
  border: 2px solid var(--color-border);
  border-radius: var(--bk-radius-sm);
  overflow: hidden;
  transition: border-color var(--bk-transition);
}

.bk-phone-wrap:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.bk-phone-code {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 var(--space-2) 0 var(--space-3);
  background: var(--color-bg-warm);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  border-right: 1px solid var(--color-border);
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
}

.bk-phone-code:focus-visible {
  outline: 2.5px solid var(--color-accent);
  outline-offset: -2px;
}

.bk-phone-chevron {
  width: 10px;
  height: 10px;
  color: var(--color-text-muted);
  transition: transform var(--bk-transition);
}

.bk-phone-code.open .bk-phone-chevron {
  transform: rotate(180deg);
}

.bk-phone-input {
  flex: 1;
  height: 48px;
  padding: 0 var(--space-3);
  border: none;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-surface);
  min-width: 0;
}

.bk-phone-input:focus {
  outline: none;
}

/* ── Coupon ────────────────────────────────────────────────── */
.bk-coupon-wrap {
  display: flex;
  gap: var(--space-2);
}

.bk-coupon-input {
  flex: 1;
  height: 48px;
  padding: 0 var(--space-3);
  border: 2px solid var(--color-border);
  border-radius: var(--bk-radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--bk-transition);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.bk-coupon-input:focus {
  border-color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.bk-coupon-input::placeholder {
  text-transform: none;
  letter-spacing: normal;
}

.bk-coupon-btn {
  height: 48px;
  padding: 0 var(--space-5);
  border: none;
  border-radius: var(--bk-radius-sm);
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: background var(--bk-transition);
  white-space: nowrap;
}

.bk-coupon-btn:hover {
  background: var(--color-primary-light);
}

.bk-coupon-btn:focus-visible {
  outline: 2.5px solid var(--color-accent);
  outline-offset: 2px;
}

.bk-coupon-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.bk-coupon-msg {
  font-size: var(--text-sm);
  margin-top: var(--space-2);
  min-height: 20px;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.bk-coupon-msg.success {
  color: var(--color-success);
}

.bk-coupon-msg.error {
  color: var(--color-danger);
}

.bk-coupon-msg.loading {
  color: var(--color-text-muted);
}

.bk-coupon-remove {
  background: none;
  border: none;
  color: var(--color-danger);
  font-size: var(--text-xs);
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}

.bk-coupon-remove:focus-visible {
  outline: 2.5px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ── Sticky Summary ────────────────────────────────────────── */
.bk-summary {
  position: sticky;
  top: calc(var(--nav-height, 80px) + var(--space-8));
  background: var(--color-surface);
  border-radius: var(--bk-radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-6);
  box-shadow: var(--bk-shadow-sm);
  transition: box-shadow var(--bk-transition);
}

.bk-summary-img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  max-height: 240px;
  object-fit: cover;
  border-radius: var(--bk-radius-sm);
  background: var(--color-bg-warm);
  margin-bottom: var(--space-4);
}

.bk-summary-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  margin: 0 0 var(--space-1);
}

.bk-summary-duration {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.bk-summary-divider {
  height: 1px;
  background: var(--color-border);
  border: none;
  margin: var(--space-3) 0;
}

.bk-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
}

.bk-summary-row-label {
  color: var(--color-text-secondary);
}

.bk-summary-row-value {
  font-weight: 600;
  color: var(--color-text);
  text-align: right;
}

.bk-summary-row.total {
  border-top: 2px solid var(--color-primary);
  margin-top: var(--space-2);
  padding-top: var(--space-3);
}

.bk-summary-row.total .bk-summary-row-label {
  font-weight: 700;
  color: var(--color-text);
  font-size: var(--text-base);
}

.bk-summary-row.total .bk-summary-row-value {
  font-weight: 800;
  color: var(--color-primary);
  font-size: var(--text-xl);
}

.bk-summary-row.discount .bk-summary-row-value {
  color: var(--color-success);
}

.bk-summary-cta {
  width: 100%;
  height: 52px;
  margin-top: var(--space-5);
  border: none;
  border-radius: var(--bk-radius-sm);
  background: var(--color-secondary);
  color: var(--color-white);
  font-size: var(--text-base);
  font-weight: 700;
  cursor: pointer;
  transition: background var(--bk-transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.bk-summary-cta:hover {
  background: var(--color-secondary-light);
}

.bk-summary-cta:focus-visible {
  outline: 2.5px solid var(--color-accent);
  outline-offset: 2px;
}

.bk-summary-cta:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.bk-summary-badges {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-4);
  flex-wrap: wrap;
}

.bk-summary-badge {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  background: var(--color-bg);
  padding: var(--space-1) var(--space-2);
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ── Mobile Bottom CTA ─────────────────────────────────────── */
.bk-mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-4);
  z-index: 100;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
  animation: bkSlideUp 300ms ease-out;
}

@keyframes bkSlideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.bk-mobile-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  max-width: 1200px;
  margin: 0 auto;
}

.bk-mobile-total {
  display: flex;
  flex-direction: column;
}

.bk-mobile-total-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.bk-mobile-total-amount {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-primary);
}

.bk-mobile-cta-btn {
  height: 48px;
  padding: 0 var(--space-6);
  border: none;
  border-radius: var(--bk-radius-sm);
  background: var(--color-secondary);
  color: var(--color-white);
  font-weight: 700;
  font-size: var(--text-base);
  cursor: pointer;
  transition: background var(--bk-transition);
  white-space: nowrap;
}

.bk-mobile-cta-btn:hover {
  background: var(--color-secondary-light);
}

.bk-mobile-cta-btn:focus-visible {
  outline: 2.5px solid var(--color-accent);
  outline-offset: 2px;
}

/* ── Validation States ─────────────────────────────────────── */
.bk-field.has-error .bk-input,
.bk-field.has-error .bk-phone-wrap {
  border-color: var(--color-danger);
}

.bk-field.has-error .bk-label {
  color: var(--color-danger);
}

.bk-section.has-errors {
  border-color: var(--color-danger);
}

.bk-error-summary {
  background: var(--color-danger-bg);
  border: 1px solid var(--color-danger);
  border-radius: var(--bk-radius-sm);
  padding: var(--space-4);
  margin-bottom: var(--space-5);
  display: none;
}

.bk-error-summary.visible {
  display: block;
}

.bk-error-summary-title {
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-danger);
  margin-bottom: var(--space-2);
}

.bk-error-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-danger);
}

.bk-error-list li {
  padding: var(--space-1) 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.bk-error-list li::before {
  content: '•';
  font-weight: 700;
}

/* ── Loading / Skeleton ────────────────────────────────────── */
.bk-skeleton {
  background: linear-gradient(90deg, var(--color-bg-warm) 25%, var(--color-border-light) 50%, var(--color-bg-warm) 75%);
  background-size: 200% 100%;
  animation: bkShimmer 1.5s ease-in-out infinite;
  border-radius: var(--bk-radius-sm);
}

@keyframes bkShimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.bk-skeleton-text {
  height: 14px;
  margin-bottom: var(--space-2);
  width: 60%;
}

.bk-skeleton-text.short { width: 35%; }
.bk-skeleton-text.long { width: 85%; }

.bk-skeleton-block {
  height: 48px;
  margin-bottom: var(--space-3);
}

.bk-skeleton-image {
  aspect-ratio: 16/9;
  border-radius: var(--bk-radius-sm);
  margin-bottom: var(--space-4);
}

/* ── Empty / Error States ──────────────────────────────────── */
.bk-empty {
  text-align: center;
  padding: var(--space-10) var(--space-4);
  color: var(--color-text-muted);
}

.bk-empty-icon {
  font-size: 48px;
  margin-bottom: var(--space-4);
  display: block;
}

.bk-empty-text {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-secondary);
}

.bk-error-state {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  background: var(--color-danger-bg);
  border-radius: var(--bk-radius-md);
  border: 1px solid var(--color-danger);
}

.bk-error-state-icon {
  font-size: 36px;
  margin-bottom: var(--space-3);
  display: block;
}

.bk-error-state-text {
  font-size: var(--text-base);
  color: var(--color-danger);
  font-weight: 600;
}

.bk-error-state-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
}

/* ── Success State (after form submission) ─────────────────── */
.bk-success {
  text-align: center;
  padding: var(--space-12) var(--space-4);
  max-width: 480px;
  margin: 0 auto;
}

.bk-success-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--color-success-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  font-size: 32px;
}

.bk-success-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.bk-success-text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
}

/* ── Responsive Breakpoints ────────────────────────────────── */

/* 1200px — shrink sidebar */
@media (max-width: 1200px) {
  .bk-layout {
    grid-template-columns: 1fr 320px;
    gap: var(--space-6);
  }
}

/* 1024px — stack layout */
@media (max-width: 1024px) {
  .bk-layout {
    grid-template-columns: 1fr;
    max-width: 720px;
  }

  .bk-summary {
    display: none;
  }

  .bk-mobile-cta {
    display: block;
  }

  .bk-page {
    padding-bottom: calc(var(--space-16) + 80px);
  }
}

/* 900px */
@media (max-width: 900px) {
  .bk-section {
    padding: var(--space-5);
  }

  .bk-datetime-grid {
    grid-template-columns: 1fr;
  }

  .bk-contact-grid {
    grid-template-columns: 1fr;
  }

  .bk-addons {
    grid-template-columns: 1fr 1fr;
  }
}

/* 768px */
@media (max-width: 768px) {
  .bk-page {
    padding: calc(var(--nav-height, 70px) + var(--space-5)) var(--space-3) calc(var(--space-12) + 80px);
  }

  .bk-section-header {
    gap: var(--space-2);
  }

  .bk-tour-summary {
    flex-direction: column;
    align-items: flex-start;
  }

  .bk-tour-image {
    width: 100%;
    height: 140px;
  }

  .bk-time-grid {
    grid-template-columns: repeat(auto-fill, minmax(76px, 1fr));
  }
}

/* 600px */
@media (max-width: 600px) {
  .bk-addons {
    grid-template-columns: 1fr;
  }

  .bk-coupon-wrap {
    flex-direction: column;
  }

  .bk-section-number {
    width: 28px;
    height: 28px;
    font-size: var(--text-xs);
  }

  .bk-section-title {
    font-size: var(--text-base);
  }

  .bk-mobile-cta-btn {
    padding: 0 var(--space-4);
    font-size: var(--text-sm);
  }

  .bk-stepper-btn {
    width: 36px;
    height: 36px;
  }

  .bk-stepper-value {
    width: 40px;
  }
}

/* 480px */
@media (max-width: 480px) {
  .bk-page {
    padding: calc(var(--nav-height, 60px) + var(--space-4)) var(--space-2) calc(var(--space-10) + 80px);
  }

  .bk-section {
    padding: var(--space-4);
    border-radius: var(--bk-radius-md);
  }

  .bk-time-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-1);
  }

  .bk-time-slot {
    height: 40px;
    font-size: var(--text-xs);
  }

  .bk-mobile-total-amount {
    font-size: var(--text-base);
  }
}

/* 400px */
@media (max-width: 400px) {
  .bk-time-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bk-guest-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .bk-mobile-cta-inner {
    flex-direction: column;
    gap: var(--space-2);
  }

  .bk-mobile-cta-btn {
    width: 100%;
  }
}

/* 360px */
@media (max-width: 360px) {
  .bk-section {
    padding: var(--space-3);
  }
}

/* 320px */
@media (max-width: 320px) {
  .bk-guest-desc {
    font-size: var(--text-xs);
  }

  .bk-stepper {
    width: 100%;
  }

  .bk-stepper-btn {
    width: 44px;
    height: 44px;
  }

  .bk-stepper-value {
    width: 100%;
  }
}

/* ── Reduced Motion ────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .bk-skeleton {
    animation: none;
  }

  .bk-mobile-cta {
    animation: none;
  }

  .bk-time-slot,
  .bk-addon-card,
  .bk-stepper-btn,
  .bk-coupon-btn,
  .bk-summary-cta,
  .bk-mobile-cta-btn,
  .bk-section,
  .bk-input,
  .bk-date-input,
  .bk-textarea,
  .bk-coupon-input {
    transition: none;
  }
}

/* ── Print ─────────────────────────────────────────────────── */
@media print {
  .bk-mobile-cta { display: none !important; }
  .bk-summary { position: static; }
  .bk-page { padding-top: 0; }
}

/* ============================================================
   BOOKING CALENDAR — Premium Availability Picker
   Prefix: .bc-
   Airbnb / GetYourGuide / Viator quality
   ============================================================ */

/* ── Calendar Container ──────────────────────────────────── */
#bookingCalendar {
  max-width: 420px;
  margin: 0 auto;
}

.bc-wrap {
  position: relative;
  background: var(--bg-surface, #fff);
  border-radius: var(--radius-xl, 16px);
  border: 1px solid var(--border, #e2e0db);
  padding: 24px;
  box-shadow: var(--shadow-md);
}

/* ── Header & Navigation ─────────────────────────────────── */
.bc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.bc-month-group {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.bc-month-label {
  font-family: var(--font-sans, "DM Sans", sans-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary, #1a1d23);
  letter-spacing: -0.02em;
}

.bc-year-label {
  font-family: var(--font-sans, "DM Sans", sans-serif);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-tertiary, #8a8f98);
}

.bc-nav-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--border, #e2e0db);
  border-radius: var(--radius-lg, 12px);
  background: var(--bg-surface, #fff);
  color: var(--text-primary, #1a1d23);
  cursor: pointer;
  transition: all 180ms var(--ease-out, cubic-bezier(0.4, 0, 0.2, 1));
  -webkit-tap-highlight-color: transparent;
}

.bc-nav-btn:hover {
  background: var(--bg-surface-hover, #f5f5f2);
  border-color: var(--color-secondary, #0f766e);
  color: var(--color-secondary, #0f766e);
  box-shadow: 0 2px 8px rgba(15, 118, 110, 0.12);
}

.bc-nav-btn:active {
  transform: scale(0.95);
}

.bc-nav-btn:focus-visible {
  outline: 2.5px solid var(--color-accent, #c9a84c);
  outline-offset: 2px;
}

.bc-nav-btn svg {
  width: 18px;
  height: 18px;
}

/* ── Weekday Headers ─────────────────────────────────────── */
.bc-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  margin-bottom: 4px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle, #eeedea);
}

.bc-weekday {
  text-align: center;
  font-size: var(--fs-xs, 0.6875rem);
  font-weight: 600;
  color: var(--text-muted, #8a8f98);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 0;
}

/* ── Day Grid ────────────────────────────────────────────── */
.bc-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.bc-day {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 46px;
  border-radius: var(--radius-lg, 12px);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary, #1a1d23);
  cursor: pointer;
  transition: all 180ms var(--ease-out, cubic-bezier(0.4, 0, 0.2, 1));
  user-select: none;
  -webkit-user-select: none;
  border: 2px solid transparent;
  background: transparent;
  -webkit-tap-highlight-color: transparent;
}

.bc-day:hover:not(.bc-day--past):not(.bc-day--unavailable):not(.bc-day--empty):not(.bc-day--selected):not(.bc-day--loading) {
  background: var(--bg-surface-hover, #f5f5f2);
  border-color: rgba(15, 118, 110, 0.15);
  transform: scale(1.06);
}

.bc-day:active:not(.bc-day--past):not(.bc-day--unavailable):not(.bc-day--empty) {
  transform: scale(0.96);
}

.bc-day:focus-visible {
  outline: 2.5px solid var(--color-accent, #c9a84c);
  outline-offset: 2px;
}

.bc-day--empty {
  cursor: default;
  pointer-events: none;
}

/* ── Past dates ── */
.bc-day--past {
  color: var(--text-muted, #8a8f98);
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: auto;
}

.bc-day-stripe {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
}

.bc-day--past .bc-day-stripe {
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 3px,
    rgba(0,0,0,0.03) 3px,
    rgba(0,0,0,0.03) 6px
  );
}

/* ── Available dates ── */
.bc-day--available {
  border-color: rgba(5, 150, 105, 0.12);
  background: rgba(236, 253, 243, 0.4);
}

/* ── Today ── */
.bc-day--today {
  color: var(--color-secondary, #0f766e);
  font-weight: 800;
  border-color: rgba(15, 118, 110, 0.2);
  background: rgba(15, 118, 110, 0.04);
}

.bc-today-badge {
  font-size: 0.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-secondary, #0f766e);
  line-height: 1;
  margin-top: 1px;
}

/* ── Selected ── */
.bc-day--selected {
  background: var(--color-secondary, #0f766e) !important;
  color: #fff !important;
  border-color: var(--color-secondary, #0f766e) !important;
  box-shadow: 0 4px 16px rgba(15, 118, 110, 0.3);
  transform: scale(1.08);
}

.bc-day--selected .bc-day-stripe,
.bc-day--selected .bc-today-badge {
  display: none;
}

/* ── Unavailable ── */
.bc-day--unavailable {
  cursor: not-allowed;
  color: var(--text-muted, #8a8f98);
  opacity: 0.45;
  background: rgba(220, 38, 38, 0.03);
}

.bc-day-stripe--slash {
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 4px,
    rgba(220, 38, 38, 0.1) 4px,
    rgba(220, 38, 38, 0.1) 8px
  );
}

/* ── Day number ── */
.bc-day-number {
  font-size: 0.9375rem;
  line-height: 1;
  z-index: 1;
}

/* ── Loading ── */
.bc-day--loading {
  cursor: default;
  pointer-events: none;
  border-color: transparent;
  background: transparent;
}

.bc-skeleton-cell {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg, 12px);
  background: linear-gradient(90deg, var(--bg-subtle, #f3f3f0) 25%, var(--border-subtle, #eeedea) 50%, var(--bg-subtle, #f3f3f0) 75%);
  background-size: 200% 100%;
  animation: bcShimmer 1.5s ease-in-out infinite;
}

/* ── Tooltip ─────────────────────────────────────────────── */
.bc-tooltip {
  position: absolute;
  z-index: 20;
  pointer-events: none;
  padding: 8px 14px;
  background: var(--text-primary, #1a1d23);
  color: var(--text-inverse, #fff);
  font-size: var(--fs-xs, 0.6875rem);
  font-weight: 500;
  line-height: 1.4;
  border-radius: var(--radius-md, 8px);
  white-space: pre-line;
  text-align: center;
  max-width: 220px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 150ms ease, transform 150ms ease;
}

.bc-tooltip--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Legend ───────────────────────────────────────────────── */
.bc-legend {
  display: flex;
  gap: 16px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle, #eeedea);
  flex-wrap: wrap;
}

.bc-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-xs, 0.6875rem);
  color: var(--text-muted, #8a8f98);
  font-weight: 500;
}

.bc-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.bc-legend-dot--available {
  background: var(--green-500, #059669);
  box-shadow: 0 0 0 2px rgba(5, 150, 105, 0.15);
}

.bc-legend-dot--selected {
  background: var(--color-secondary, #0f766e);
  box-shadow: 0 0 0 2px rgba(15, 118, 110, 0.15);
}

.bc-legend-dot--unavailable {
  background: var(--red-500, #dc2626);
  box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.15);
}

/* ── Time Slots Section ──────────────────────────────────── */
.bc-slots-section {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle, #eeedea);
}

.bc-slots-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.bc-slots-icon {
  font-size: 1.125rem;
  line-height: 1;
}

.bc-slots-header h4 {
  font-family: var(--font-sans, "DM Sans", sans-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary, #1a1d23);
  margin: 0;
}

.bc-slots-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

/* ── Time Slot Card ──────────────────────────────────────── */
.bc-slot {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 14px 8px;
  border: 2px solid var(--border, #e2e0db);
  border-radius: var(--radius-lg, 12px);
  background: var(--bg-surface, #fff);
  cursor: pointer;
  transition: all 180ms var(--ease-out, cubic-bezier(0.4, 0, 0.2, 1));
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  min-height: 72px;
}

.bc-slot:hover:not(.bc-slot--disabled):not(.bc-slot--selected) {
  border-color: var(--color-secondary, #0f766e);
  background: rgba(15, 118, 110, 0.03);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(15, 118, 110, 0.1);
}

.bc-slot:active:not(.bc-slot--disabled) {
  transform: scale(0.97);
}

.bc-slot:focus-visible {
  outline: 2.5px solid var(--color-accent, #c9a84c);
  outline-offset: 2px;
}

/* ── Slot states ── */
.bc-slot--selected {
  border-color: var(--color-secondary, #0f766e) !important;
  background: var(--color-secondary, #0f766e) !important;
  color: #fff !important;
  box-shadow: 0 6px 24px rgba(15, 118, 110, 0.28);
  transform: translateY(-2px);
}

.bc-slot--disabled {
  opacity: 0.4;
  cursor: not-allowed;
  background: var(--bg-page, #fafaf8);
  border-color: var(--border-subtle, #eeedea);
}

/* ── Slot inner elements ── */
.bc-slot-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
}

.bc-slot-circle {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--border, #dcdde5);
  background: transparent;
  transition: all 180ms var(--ease-out, cubic-bezier(0.4, 0, 0.2, 1));
}

.bc-slot:hover:not(.bc-slot--disabled):not(.bc-slot--selected) .bc-slot-circle {
  border-color: var(--color-secondary, #0f766e);
}

.bc-slot--selected .bc-slot-icon svg {
  color: #fff;
}

.bc-slot-time {
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.bc-slot-status {
  font-size: var(--fs-xs, 0.6875rem);
  font-weight: 500;
  opacity: 0.65;
}

.bc-slot--selected .bc-slot-status {
  opacity: 0.9;
}

/* ── Messages (holiday, empty, error) ────────────────────── */
.bc-message {
  grid-column: 1 / -1;
  text-align: center;
  padding: 28px 20px;
  border-radius: var(--radius-lg, 12px);
}

.bc-message-icon {
  display: block;
  font-size: 2rem;
  margin-bottom: 10px;
}

.bc-message-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary, #1a1d23);
  margin: 0 0 4px;
}

.bc-message-desc {
  font-size: var(--fs-sm, 0.75rem);
  color: var(--text-muted, #8a8f98);
  margin: 0;
}

.bc-message--holiday {
  background: var(--red-50, #fef2f2);
  border: 1px solid rgba(220, 38, 38, 0.15);
}

.bc-message--holiday .bc-message-title {
  color: var(--red-600, #b91c1c);
}

.bc-message--empty {
  background: var(--bg-subtle, #f3f3f0);
  border: 1px solid var(--border-subtle, #eeedea);
}

.bc-message--error {
  background: var(--red-50, #fef2f2);
  border: 1px solid rgba(220, 38, 38, 0.15);
}

.bc-message--error .bc-message-title {
  color: var(--red-500, #dc2626);
}

/* ── API Error State ─────────────────────────────────────── */
.bc-api-error {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px 24px;
}

.bc-api-error-icon {
  color: var(--red-500, #dc2626);
  margin-bottom: 12px;
  opacity: 0.7;
}

.bc-api-error-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary, #1a1d23);
  margin: 0 0 4px;
}

.bc-api-error-desc {
  font-size: var(--fs-sm, 0.75rem);
  color: var(--text-muted, #8a8f98);
  margin: 0 0 16px;
}

.bc-api-error-retry {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 24px;
  border: 1.5px solid var(--color-secondary, #0f766e);
  border-radius: var(--radius-md, 8px);
  background: transparent;
  color: var(--color-secondary, #0f766e);
  font-size: var(--fs-sm, 0.75rem);
  font-weight: 600;
  cursor: pointer;
  transition: all 180ms var(--ease-out, cubic-bezier(0.4, 0, 0.2, 1));
}

.bc-api-error-retry:hover {
  background: var(--color-secondary, #0f766e);
  color: #fff;
  box-shadow: 0 4px 12px rgba(15, 118, 110, 0.2);
}

.bc-api-error-retry:active {
  transform: scale(0.97);
}

.bc-api-error-retry:focus-visible {
  outline: 2.5px solid var(--color-accent, #c9a84c);
  outline-offset: 2px;
}

/* ── Skeleton slot ── */
.bc-skeleton-slot {
  border-radius: var(--radius-lg, 12px);
  background: linear-gradient(90deg, var(--bg-subtle, #f3f3f0) 25%, var(--border-subtle, #eeedea) 50%, var(--bg-subtle, #f3f3f0) 75%);
  background-size: 200% 100%;
  animation: bcShimmer 1.5s ease-in-out infinite;
}

@keyframes bcShimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ══════════════════════════════════════════════════════════════
   Calendar Responsive — All target breakpoints
   320 · 360 · 375 · 390 · 414 · 430 · 768 · 1024 · 1366 · 1920
   ══════════════════════════════════════════════════════════════ */

/* ── 768px: tablet ── */
@media (max-width: 768px) {
  .bc-wrap {
    padding: 20px;
  }

  .bc-day {
    height: 44px;
  }

  .bc-slots-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }
}

/* ── 480px: small phone ── */
@media (max-width: 480px) {
  #bookingCalendar {
    max-width: 100%;
  }

  .bc-wrap {
    padding: 16px;
    border-radius: var(--radius-lg, 12px);
  }

  .bc-header {
    margin-bottom: 16px;
  }

  .bc-month-label {
    font-size: 1.125rem;
  }

  .bc-nav-btn {
  width: 44px;
  height: 44px;
  }

  .bc-day {
    height: 42px;
    font-size: 0.875rem;
  }

  .bc-slots-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .bc-slot {
    padding: 12px 6px;
    min-height: 66px;
  }

  .bc-slot-time {
    font-size: 0.875rem;
  }
}

/* ── 430px ── */
@media (max-width: 430px) {
  .bc-wrap {
    padding: 14px;
  }

  .bc-day {
    height: 40px;
    font-size: 0.8125rem;
    border-radius: 10px;
  }

  .bc-days {
    gap: 3px;
  }

  .bc-slots-grid {
    gap: 6px;
  }

  .bc-slot {
    padding: 10px 4px;
    min-height: 62px;
    border-radius: 10px;
  }

  .bc-slot-time {
    font-size: 0.8125rem;
  }

  .bc-slot-status {
    font-size: 0.625rem;
  }
}

/* ── 414px ── */
@media (max-width: 414px) {
  .bc-wrap {
    padding: 14px;
  }

  .bc-day {
    height: 40px;
  }

  .bc-slots-grid {
    gap: 6px;
  }
}

/* ── 390px ── */
@media (max-width: 390px) {
  .bc-wrap {
    padding: 12px;
  }

  .bc-month-label {
    font-size: 1.0625rem;
  }

  .bc-day {
    height: 38px;
    font-size: 0.8125rem;
    border-radius: 9px;
  }

  .bc-days {
    gap: 2px;
  }

  .bc-weekday {
    font-size: 0.625rem;
  }

  .bc-slots-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
  }

  .bc-slot {
    min-height: 60px;
    border-radius: 10px;
  }
}

/* ── 375px (iPhone SE / standard small) ── */
@media (max-width: 375px) {
  .bc-wrap {
    padding: 12px;
    border-radius: var(--radius-md, 8px);
  }

  .bc-header {
    margin-bottom: 14px;
  }

  .bc-nav-btn {
    width: 36px;
    height: 36px;
  }

  .bc-nav-btn svg {
    width: 16px;
    height: 16px;
  }

  .bc-day {
    height: 38px;
    font-size: 0.8125rem;
  }

  .bc-legend {
    gap: 10px;
  }

  .bc-slots-grid {
    gap: 5px;
  }

  .bc-slot {
    padding: 10px 4px;
    min-height: 58px;
  }

  .bc-slot-time {
    font-size: 0.8125rem;
  }
}

/* ── 360px ── */
@media (max-width: 360px) {
  .bc-wrap {
    padding: 10px;
  }

  .bc-day {
    height: 36px;
    font-size: 0.75rem;
    border-radius: 8px;
  }

  .bc-days {
    gap: 2px;
  }

  .bc-weekday {
    padding: 4px 0;
  }

  .bc-legend {
    gap: 8px;
  }

  .bc-legend-item {
    font-size: 0.625rem;
  }

  .bc-slots-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 5px;
  }

  .bc-slot {
    min-height: 56px;
  }

  .bc-slot-time {
    font-size: 0.75rem;
  }

  .bc-slot-status {
    font-size: 0.6rem;
  }
}

/* ── 320px (absolute minimum) ── */
@media (max-width: 320px) {
  .bc-wrap {
    padding: 8px;
  }

  .bc-month-label {
    font-size: 1rem;
  }

  .bc-year-label {
    font-size: 0.75rem;
  }

  .bc-nav-btn {
    width: 34px;
    height: 34px;
  }

  .bc-day {
    height: 34px;
    font-size: 0.6875rem;
  }

  .bc-day-number {
    font-size: 0.6875rem;
  }

  .bc-today-badge {
    font-size: 0.4375rem;
  }

  .bc-slots-grid {
    gap: 4px;
  }

  .bc-slot {
    min-height: 54px;
    padding: 8px 2px;
  }

  .bc-slot-time {
    font-size: 0.75rem;
  }

  .bc-slot-status {
    display: none;
  }

  .bc-message {
    padding: 20px 12px;
  }

  .bc-message-icon {
    font-size: 1.5rem;
  }

  .bc-message-title {
    font-size: 0.8125rem;
  }
}

/* ── Reduced Motion ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .bc-day,
  .bc-slot,
  .bc-nav-btn,
  .bc-tooltip,
  .bc-slot-circle,
  .bc-api-error-retry {
    transition: none;
  }

  .bc-skeleton-cell,
  .bc-skeleton-slot {
    animation: none;
  }

  .bc-day:hover,
  .bc-slot:hover {
    transform: none;
  }
}

/* ============================================================
   Sprint 6 — Premium Booking Flow
   Production-quality customer UX layer.
   ============================================================ */

/* ── Base ─────────────────────────────────────────────────── */
.bk-root,
.bk-page {
  color: var(--text-primary, #1a1d23);
}

.bk-page {
  padding-top: calc(var(--nav-height, 72px) + 56px);
  padding-bottom: 80px;
  background:
    linear-gradient(180deg, #ffffff 0%, #f7fbfa 52%, #ffffff 100%);
  min-height: 100vh;
}

.bk-page::before {
  display: none;
}

.bk-page-title {
  font-family: "DM Sans", var(--font-sans);
  font-size: clamp(1.375rem, 2.5vw, 1.625rem);
  font-weight: 700;
  color: var(--text-primary, #1a1d23);
  margin-bottom: clamp(16px, 2.5vw, 24px);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.bk-layout {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 392px);
  gap: clamp(24px, 4vw, 48px);
  max-width: 1200px;
  margin: 0 auto;
}

/* ── Section Cards ────────────────────────────────────────── */
.bk-section {
  border: 1px solid var(--border, #e2e0db);
  border-radius: 12px;
  background: #ffffff;
  box-shadow:
    0 1px 3px rgba(0,0,0,0.04),
    0 4px 12px rgba(0,0,0,0.02);
  padding: clamp(20px, 3vw, 28px);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.bk-section + .bk-section {
  margin-top: clamp(12px, 2vw, 20px);
}

.bk-section:hover,
.bk-section:focus-within {
  border-color: #c8d8d6;
  box-shadow:
    0 2px 6px rgba(0,0,0,0.06),
    0 8px 24px rgba(0,0,0,0.04);
}

.bk-section--hero {
  border-color: #b8d0cc;
}

.bk-section-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: clamp(16px, 2.5vw, 24px);
}

.bk-section-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #f0f9f6, #e0f2ed);
  color: var(--color-secondary, #0f766e);
}

.bk-section-title {
  font-family: "DM Sans", var(--font-sans);
  font-size: clamp(1.0625rem, 1.8vw, 1.25rem);
  font-weight: 700;
  color: var(--text-primary, #1a1d23);
  letter-spacing: -0.015em;
  line-height: 1.3;
  margin: 0;
}

.bk-section-desc {
  font-size: 0.875rem;
  color: #536b70;
  margin: 3px 0 0;
  line-height: 1.4;
}

.bk-section-hint {
  font-size: 0.8125rem;
  color: #7a8c91;
  margin-top: 12px;
  line-height: 1.4;
}

/* ── Tour name in summary ─────────────────────────────────── */
.bk-tour-name,
.bk-success-title {
  color: var(--text-primary, #1a1d23);
  letter-spacing: -0.015em;
}

.bk-tour-meta-item,
.bk-guest-desc,
.bk-addon-desc,
.bk-summary-label {
  color: #536b70;
}

/* ── Date / Calendar ──────────────────────────────────────── */
.bk-date-input,
.bk-input,
.bk-textarea,
.bk-coupon-input {
  min-height: 48px;
  border: 1.5px solid var(--border, #e2e0db);
  border-radius: 10px;
  background: #ffffff;
  font-size: 0.9375rem;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

.bk-date-input:focus,
.bk-input:focus,
.bk-textarea:focus,
.bk-coupon-input:focus {
  border-color: var(--color-secondary, #0f766e);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}

.bk-date-input.has-value {
  border-color: var(--color-secondary, #0f766e);
  background: #f4fbf9;
}

.bk-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #3a4a4e;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.bk-field + .bk-field {
  margin-top: 14px;
}

.bk-req {
  color: var(--red-500, #dc2626);
}

.bk-error {
  font-size: 0.8125rem;
  color: var(--red-500, #dc2626);
  margin-top: 4px;
  display: block;
}

/* ── Time Slots ───────────────────────────────────────────── */
.bk-time-grid {
  gap: 8px;
}

.bk-time-slot {
  height: 44px;
  border: 1.5px solid var(--border, #e2e0db);
  border-radius: 10px;
  color: var(--text-primary, #1a1d23);
  background: #ffffff;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.15s ease;
}

.bk-time-slot:hover {
  border-color: var(--color-secondary, #0f766e);
  background: #f0f9f6;
}

.bk-time-slot.selected,
.bk-time-slot[aria-pressed="true"] {
  border-color: var(--color-secondary, #0f766e);
  background: var(--color-secondary, #0f766e);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(15, 118, 110, 0.25);
  font-weight: 600;
}

/* ── Guest Rows ───────────────────────────────────────────── */
.bk-guests {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.bk-guest-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border: 1.5px solid var(--border, #e2e0db);
  border-radius: 10px;
  background: #ffffff;
  transition: border-color 0.15s, background 0.15s;
}

.bk-guest-row:hover {
  border-color: #c8d8d6;
  background: #fafdfb;
}

.bk-guest-row + .bk-guest-row {
  margin-top: 6px;
}

.bk-guest-label {
  display: flex;
  flex-direction: column;
}

.bk-guest-type {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-primary, #1a1d23);
}

.bk-guest-desc {
  font-size: 0.8125rem;
  color: #6b7f84;
}

.bk-stepper {
  display: flex;
  align-items: center;
  gap: 2px;
  background: #f4f7f6;
  border-radius: 10px;
  padding: 3px;
}

.bk-stepper-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: none;
  background: #ffffff;
  color: var(--text-primary, #1a1d23);
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  box-shadow: 0 1px 2px rgba(0,0,0,0.06);
}

.bk-stepper-btn:hover:not(:disabled) {
  background: var(--color-secondary, #0f766e);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(15, 118, 110, 0.2);
}

.bk-stepper-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.bk-stepper-value {
  width: 44px;
  height: 36px;
  text-align: center;
  border: none;
  background: transparent;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary, #1a1d23);
}

/* ── Add-ons Divider ──────────────────────────────────────── */
.bk-addon-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0 14px;
}

.bk-addon-divider::before,
.bk-addon-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border, #e2e0db);
}

.bk-addon-divider-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #8a9a9e;
  white-space: nowrap;
}

.bk-addon-card {
  border: 1.5px solid var(--border, #e2e0db);
  background: #ffffff;
  border-radius: 10px;
  transition: all 0.15s ease;
}

.bk-addon-card:hover,
.bk-addon-card.selected {
  border-color: var(--color-secondary, #0f766e);
  background: #f4fbf9;
}

.bk-addon-card.selected {
  box-shadow: 0 2px 10px rgba(15, 118, 110, 0.12);
}

/* ── Special Requests Toggle ──────────────────────────────── */
.bk-requests-toggle {
  margin-top: 14px;
}

.bk-requests-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1.5px dashed var(--border, #e2e0db);
  border-radius: 8px;
  background: transparent;
  color: #536b70;
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.bk-requests-toggle-btn:hover {
  border-color: var(--color-secondary, #0f766e);
  color: var(--color-secondary, #0f766e);
  background: #f4fbf9;
}

.bk-requests-block {
  margin-top: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--border, #e2e0db);
}

/* ── Coupon ───────────────────────────────────────────────── */
.bk-coupon-inline {
  display: flex;
  gap: 8px;
  align-items: center;
}

.bk-coupon-input {
  flex: 1;
  min-height: 44px;
  border-radius: 8px;
  font-size: 0.875rem;
}

.bk-coupon-btn {
  border-radius: 8px;
  white-space: nowrap;
}

.bk-coupon-msg {
  font-size: 0.8125rem;
  margin-top: 8px;
}

/* ── Summary Card ─────────────────────────────────────────── */
.bk-summary {
  position: sticky;
  top: calc(var(--nav-height, 72px) + 24px);
  overflow: hidden;
  border: 1px solid var(--border, #e2e0db);
  border-radius: 12px;
  background: #ffffff;
  box-shadow:
    0 2px 6px rgba(0,0,0,0.04),
    0 8px 24px rgba(0,0,0,0.03);
}

.bk-summary-img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  max-height: 240px;
  object-fit: cover;
  border-radius: 12px 12px 0 0;
  filter: saturate(1.04) contrast(1.02);
}

.bk-summary-body {
  padding: clamp(16px, 2.5vw, 24px);
}

.bk-summary-name {
  font-family: "DM Sans", var(--font-sans);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary, #1a1d23);
  letter-spacing: -0.01em;
  margin: 0 0 2px;
}

.bk-summary-duration {
  font-size: 0.8125rem;
  color: #6b7f84;
  margin: 0 0 14px;
}

.bk-summary-details {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 14px;
}

.bk-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
}

.bk-summary-row + .bk-summary-row {
  border-top: 1px solid #f0f2f1;
}

.bk-summary-row-label {
  font-size: 0.8125rem;
  color: #6b7f84;
}

.bk-summary-row-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary, #1a1d23);
  text-align: right;
}

.bk-summary-pricing {
  padding: 12px 0;
  border-top: 1.5px solid #e8eae9;
}

.bk-summary-row.total {
  padding-top: 10px;
}

.bk-summary-row.total .bk-summary-row-label {
  font-weight: 700;
  color: var(--text-primary, #1a1d23);
}

.bk-summary-row.total .bk-summary-row-value {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--text-primary, #1a1d23);
}

.bk-summary-row.discount .bk-summary-row-value {
  color: var(--green-600, #047857);
}

/* ── CTA Button ───────────────────────────────────────────── */
.bk-summary-cta,
.bk-mobile-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 50px;
  border-radius: 10px;
  border: 0;
  background: linear-gradient(135deg, var(--color-secondary, #0f766e), #0a5f58);
  color: #ffffff;
  font-size: 0.9375rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px rgba(15, 118, 110, 0.25);
  margin-top: 16px;
}

.bk-summary-cta:hover:not(:disabled),
.bk-mobile-cta-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(15, 118, 110, 0.3);
  background: linear-gradient(135deg, #0d8279, #08706a);
}

.bk-summary-cta:disabled,
.bk-mobile-cta-btn:disabled {
  opacity: 0.5;
  cursor: default;
  transform: none;
  box-shadow: none;
}

/* ── Trust Row ────────────────────────────────────────────── */
.bk-trust-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid #f0f2f1;
}

.bk-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  color: #6b7f84;
  padding: 4px 0;
}

.bk-trust-item svg {
  color: var(--color-secondary, #0f766e);
  flex-shrink: 0;
}

/* ── Mobile CTA Bar ───────────────────────────────────────── */
.bk-mobile-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  border-top: 1px solid var(--border, #e2e0db);
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 -8px 30px rgba(0,0,0,0.1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding-bottom: env(safe-area-inset-bottom);
}

.bk-mobile-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 24px, 720px);
  margin: 0 auto;
  padding: 12px 0;
}

.bk-mobile-total {
  display: flex;
  flex-direction: column;
}

.bk-mobile-total-label {
  font-size: 0.75rem;
  color: #6b7f84;
  font-weight: 500;
}

.bk-mobile-total-amount {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--text-primary, #1a1d23);
  letter-spacing: -0.01em;
}

.bk-mobile-cta-btn {
  min-width: 160px;
  height: 48px;
  margin-top: 0;
}

/* ── Error / Success ──────────────────────────────────────── */
.bk-error-state,
.bk-success {
  border-radius: 12px;
}

.bk-error-summary {
  border: 1.5px solid #fecaca;
  border-radius: 10px;
  background: #fef2f2;
  padding: 14px 16px;
  margin-bottom: 16px;
}

.bk-error-summary-title {
  font-weight: 700;
  font-size: 0.875rem;
  color: #991b1b;
  margin-bottom: 4px;
}

.bk-error-list {
  margin: 0;
  padding-left: 18px;
  font-size: 0.8125rem;
  color: #b91c1c;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .bk-layout {
    grid-template-columns: minmax(0, 1fr);
    max-width: 720px;
  }

  .bk-summary {
    position: static;
    order: -1;
    margin-bottom: 4px;
  }

  .bk-summary-img {
    height: auto;
    max-height: 180px;
  }

  .bk-trust-row {
    flex-direction: row;
    gap: 16px;
  }
}

@media (max-width: 768px) {
  .bk-page {
    padding-top: calc(var(--nav-height-mobile, 64px) + 32px);
    padding-bottom: 80px;
  }

  .bk-section {
    padding: 18px;
    border-radius: 10px;
  }

  .bk-section-icon {
    width: 36px;
    height: 36px;
    min-width: 36px;
  }

  .bk-summary {
    display: none;
  }

  .bk-mobile-cta {
    display: block;
  }
}

@media (max-width: 480px) {
  .bk-page {
    padding-left: 10px;
    padding-right: 10px;
  }

  .bk-section {
    padding: 16px;
  }

  .bk-time-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bk-mobile-cta-inner {
    width: min(100% - 20px, 720px);
  }
}

@media (max-width: 360px) {
  .bk-page {
    padding-left: 8px;
    padding-right: 8px;
  }

  .bk-section {
    padding: 14px;
  }

  .bk-time-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Product polish: final touch-target guard for booking controls. */
.bc-wrap {
  overflow-x: auto;
  overscroll-behavior-x: contain;
}

.bc-weekdays,
.bc-days {
  min-width: 344px;
}

.bk-stepper-btn,
.bc-nav-btn {
  width: 44px !important;
  height: 44px !important;
  min-width: 44px;
  min-height: 44px;
}

.bc-day {
  min-width: 44px;
  min-height: 44px;
  height: 44px !important;
}