/* ========================================
   AN NHIÊN HOMESTAY — Booking CTA + Modal
   ======================================== */

/* ── CTA Section ── */
.booking {
  padding-block: var(--space-3xl);
  background: var(--color-brown-dark);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.booking::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 50% 50%,
    rgba(92, 122, 92, 0.1) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.booking__cta {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.booking__cta-label {
  display: block;
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-green-light);
  margin-bottom: var(--space-sm);
}

.booking__cta-title {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  font-weight: var(--fw-light);
  color: var(--color-cream-light);
  line-height: var(--lh-heading);
  margin-bottom: var(--space-sm);
}

.booking__cta-subtitle {
  font-size: var(--fs-body);
  color: var(--color-brown-light);
  margin-bottom: var(--space-lg);
  line-height: var(--lh-body);
}

.booking__cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 48px;
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--color-white);
  background: var(--color-green);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-smooth);
  box-shadow: 0 4px 20px rgba(92, 122, 92, 0.3);
}

.booking__cta-btn:hover {
  background: var(--color-green-dark);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(92, 122, 92, 0.4);
}

.booking__cta-btn svg {
  transition: transform var(--duration-normal) var(--ease-smooth);
}

.booking__cta-btn:hover svg {
  transform: translateX(4px);
}

.booking__cta-note {
  font-size: var(--fs-caption);
  color: var(--color-brown-light);
  margin-top: var(--space-md);
  opacity: 0.7;
}

/* ── Booking Modal ── */
.booking-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.booking-modal.active {
  opacity: 1;
  visibility: visible;
}

.booking-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 8, 6, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.booking-modal__content {
  position: relative;
  z-index: 1;
  width: 90%;
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
  background: var(--color-brown-dark);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  transform: translateY(30px) scale(0.95);
  transition: transform 0.3s ease;
  
  /* Custom scrollbar to prevent default bright scrollbar breaking dark layout */
  scrollbar-width: thin;
  scrollbar-color: var(--color-brown) var(--color-brown-dark);
}

.booking-modal__content::-webkit-scrollbar {
  width: 6px;
}

.booking-modal__content::-webkit-scrollbar-track {
  background: var(--color-brown-dark);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.booking-modal__content::-webkit-scrollbar-thumb {
  background: var(--color-brown);
  border-radius: var(--radius-full);
}

.booking-modal.active .booking-modal__content {
  transform: translateY(0) scale(1);
}

.booking-modal__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.booking-modal__title {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  color: var(--color-cream-light);
}

.booking-modal__subtitle {
  font-size: var(--fs-small);
  color: var(--color-brown-light);
  margin-top: 4px;
}

.booking-modal__close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-full);
  color: var(--color-cream);
  font-size: 1.1rem;
  cursor: pointer;
  transition: all var(--duration-fast) ease;
  flex-shrink: 0;
}

.booking-modal__close:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* ── Form Styles (inside modal) ── */
.booking__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.booking__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.booking__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.booking__label {
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-cream);
  letter-spacing: var(--ls-wide);
}

.booking__input,
.booking__textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 12px 16px;
  font-size: var(--fs-body);
  font-family: var(--font-body);
  color: var(--color-cream-light);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--duration-fast) ease, background var(--duration-fast) ease;
}

.booking__input.input-error,
.booking__textarea.input-error {
  border-color: #e74c3c;
  background: rgba(231, 76, 60, 0.05);
}

/* ── Flatpickr Customization ── */
.flatpickr-calendar {
  background: var(--color-brown-dark) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5) !important;
  border-radius: var(--radius-md) !important;
  font-family: var(--font-body) !important;
}

.flatpickr-day {
  color: var(--color-cream-light) !important;
  border-radius: var(--radius-sm) !important;
}

.flatpickr-day:hover {
  background: rgba(255, 255, 255, 0.1) !important;
}

.flatpickr-day.selected,
.flatpickr-day.startRange,
.flatpickr-day.endRange {
  background: var(--color-green) !important;
  border-color: var(--color-green) !important;
  color: var(--color-white) !important;
}

.flatpickr-months .flatpickr-month {
  color: var(--color-cream-light) !important;
  fill: var(--color-cream-light) !important;
}

.flatpickr-current-month .flatpickr-monthDropdown-months {
  background: var(--color-brown-dark) !important;
}

.flatpickr-weekday {
  color: var(--color-green-light) !important;
}

span.flatpickr-weekday {
  color: var(--color-brown-light) !important;
}

.flatpickr-day.flatpickr-disabled, 
.flatpickr-day.flatpickr-disabled:hover {
  color: rgba(255, 255, 255, 0.2) !important;
}

.flatpickr-calendar.arrowTop:before,
.flatpickr-calendar.arrowTop:after,
.flatpickr-calendar.arrowBottom:before,
.flatpickr-calendar.arrowBottom:after {
  display: none !important;
}

.booking__input:focus,
.booking__textarea:focus {
  border-color: var(--color-green-light);
  background: rgba(255, 255, 255, 0.1);
}

.booking__input::placeholder,
.booking__textarea::placeholder {
  color: var(--color-brown-light);
  opacity: 0.6;
}

.booking__textarea {
  min-height: 80px;
  resize: vertical;
}

.booking__rules {
  padding: var(--space-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  color: var(--color-cream);
  font-size: var(--fs-small);
  line-height: var(--lh-relaxed);
}

.booking__rules p {
  margin-bottom: 6px;
  color: var(--color-cream-light);
}

.booking__rules ul {
  list-style: none;
  padding: 0;
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.booking__rules li {
  color: var(--color-brown-light);
}

.booking__rules strong {
  color: var(--color-green-light);
}

/* ── Submit Button ── */
.booking__submit {
  padding: 14px 36px;
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--color-white);
  background: var(--color-green);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-smooth);
  position: relative;
  margin-top: var(--space-xs);
}

.booking__submit:hover {
  background: var(--color-green-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(92, 122, 92, 0.3);
}

.booking__submit.loading .btn-text {
  opacity: 0;
}

.booking__submit.loading .spinner {
  display: block;
}

.spinner {
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--color-white);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ── Message ── */
.booking__message {
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  text-align: center;
  font-size: var(--fs-small);
  display: none;
  margin-top: var(--space-sm);
}

.booking__message.success {
  display: block;
  background: rgba(92, 122, 92, 0.15);
  color: var(--color-green-light);
  border: 1px solid rgba(92, 122, 92, 0.3);
}

.booking__message.error {
  display: block;
  background: rgba(231, 76, 60, 0.15);
  color: #e74c3c;
  border: 1px solid rgba(231, 76, 60, 0.3);
}

/* ── Mobile ── */
@media (max-width: 768px) {
  .booking {
    padding-block: var(--space-2xl);
  }

  .booking__cta-btn {
    padding: 14px 36px;
    font-size: var(--fs-small);
  }

  .booking-modal__content {
    width: 95%;
    max-height: 90vh;
    padding: var(--space-md);
  }

  .booking__row {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }
}