/*
 * booking.css — Booking Section Styles
 * Calendar picker, slot selector, booking form, confirmation, fallback.
 *
 * Conventions (project-wide mandates):
 *   - CSS Logical Properties ONLY (no left/right/top/bottom)
 *   - Token variables ONLY (no hardcoded colors, spacing, fonts)
 *   - Mobile-first breakpoints: 640 / 768 / 1024 / 1200px
 *   - BEM naming: .booking-{block}__{element}--{modifier}
 *   - :lang(ar) overrides where needed (letter-spacing: 0)
 */


/* ==========================================================================
   BOOKING MODULE — Outer wrapper
   ========================================================================== */

.booking-module {
  margin-block-start: var(--space-10);
}


/* ==========================================================================
   BOOKING CALENDAR — Month grid
   ========================================================================== */

.booking-calendar {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

/* Header: prev button, month/year label, next button */
.booking-calendar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-block-end: var(--space-4);
}

.booking-calendar__nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  inline-size: 2.25rem;
  block-size: 2.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  flex-shrink: 0;
}

.booking-calendar__nav-btn:hover:not(:disabled) {
  background: var(--color-brand-primary-bg);
  color: var(--color-brand-primary);
  border-color: var(--color-brand-primary);
}

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

.booking-calendar__month-label {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  text-align: center;
  flex: 1;
  padding-inline: var(--space-3);
}

:lang(ar) .booking-calendar__month-label {
  letter-spacing: 0;
}

/* Weekday header row */
.booking-calendar__weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-1);
  margin-block-end: var(--space-2);
}

.booking-calendar__weekday {
  text-align: center;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  padding-block: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

:lang(ar) .booking-calendar__weekday {
  letter-spacing: 0;
  text-transform: none;
}

/* Day cells grid */
.booking-calendar__days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-1);
}

/* Individual day cell */
.booking-calendar__day {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-regular);
  cursor: default;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  padding: 0;
  line-height: 1;
  gap: var(--space-1);
}

/* Available day — clickable */
.booking-calendar__day--available {
  cursor: pointer;
  font-weight: var(--font-weight-semibold);
}

.booking-calendar__day--available:hover {
  background: var(--color-brand-primary-bg);
  color: var(--color-brand-primary);
  border-color: var(--color-brand-primary);
}

/* Blocked day (booked / not a work day) */
.booking-calendar__day--blocked {
  color: var(--color-text-muted);
  opacity: 0.5;
}

/* Past day */
.booking-calendar__day--past {
  color: var(--color-neutral-300);
  opacity: 0.5;
}

/* Outside current month */
.booking-calendar__day--outside {
  visibility: hidden;
  pointer-events: none;
}

/* Today highlight */
.booking-calendar__day--today {
  border-color: var(--color-brand-primary);
  color: var(--color-brand-primary);
  font-weight: var(--font-weight-bold);
}

/* Selected day */
.booking-calendar__day--selected {
  background: var(--color-brand-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-brand-primary);
  font-weight: var(--font-weight-bold);
}

.booking-calendar__day--selected:hover {
  background: var(--color-brand-primary-dark);
  border-color: var(--color-brand-primary-dark);
  color: var(--color-text-inverse);
}

/* Dot indicator — days with available slots */
.booking-calendar__dot {
  display: block;
  inline-size: 6px;
  block-size: 6px;
  border-radius: var(--radius-full);
  background: var(--color-brand-primary);
  flex-shrink: 0;
}

.booking-calendar__day--selected .booking-calendar__dot {
  background: var(--color-text-inverse);
  opacity: 0.75;
}

.booking-calendar__day--past .booking-calendar__dot,
.booking-calendar__day--blocked .booking-calendar__dot {
  opacity: 0;
}


/* ==========================================================================
   BOOKING SLOTS — Time slot picker
   ========================================================================== */

.booking-slots {
  margin-block-start: var(--space-6);
}

.booking-slots__label {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-block-end: var(--space-3);
}

:lang(ar) .booking-slots__label {
  letter-spacing: 0;
}

.booking-slots__none {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  font-style: italic;
  padding-block: var(--space-2);
}

.booking-slots__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
}

@media (min-width: 640px) {
  .booking-slots__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .booking-slots__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.booking-slots__btn {
  display: block;
  inline-size: 100%;
  padding-block: var(--space-3);
  padding-inline: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-family-body);
  text-align: center;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
  animation: slot-appear 0.2s ease both;
}

.booking-slots__btn:hover:not(.booking-slots__btn--unavailable) {
  background: var(--color-brand-primary-bg);
  color: var(--color-brand-primary);
  border-color: var(--color-brand-primary);
}

.booking-slots__btn--unavailable {
  color: var(--color-text-muted);
  background: var(--color-neutral-200);
  border-color: var(--color-border);
  cursor: not-allowed;
  opacity: 0.6;
  text-decoration: line-through;
}

.booking-slots__btn--selected {
  background: var(--color-brand-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-brand-primary);
}

.booking-slots__btn--selected:hover {
  background: var(--color-brand-primary-dark);
  border-color: var(--color-brand-primary-dark);
  color: var(--color-text-inverse);
}

@keyframes slot-appear {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* ==========================================================================
   BOOKING FORM
   ========================================================================== */

.booking-form {
  margin-block-start: var(--space-6);
  animation: form-reveal 0.3s ease both;
}

@keyframes form-reveal {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.booking-form__selected-slot {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-brand-primary-bg);
  border: 1px solid var(--color-brand-primary);
  border-radius: var(--radius-md);
  color: var(--color-brand-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  margin-block-end: var(--space-4);
}

.booking-form__fields {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.booking-form__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .booking-form__row {
    grid-template-columns: 1fr 1fr;
  }
}

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

.booking-form__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

:lang(ar) .booking-form__label {
  letter-spacing: 0;
}

.booking-form__input,
.booking-form__textarea {
  padding-block: var(--space-3);
  padding-inline: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  font-family: var(--font-family-body);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  inline-size: 100%;
  box-sizing: border-box;
}

.booking-form__input::placeholder,
.booking-form__textarea::placeholder {
  color: var(--color-text-muted);
}

.booking-form__input:focus,
.booking-form__textarea:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(34, 154, 200, 0.15);
}

.booking-form__input--error,
.booking-form__textarea--error {
  border-color: var(--color-error);
}

.booking-form__input--error:focus,
.booking-form__textarea--error:focus {
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.15);
}

.booking-form__textarea {
  resize: vertical;
  min-block-size: 100px;
}

.booking-form__error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  font-weight: var(--font-weight-regular);
}

:lang(ar) .booking-form__error {
  letter-spacing: 0;
}

.booking-form__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding-block: var(--space-4);
  padding-inline: var(--space-8);
  background: var(--color-btn-primary-bg);
  color: var(--color-btn-primary-text);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-family-body);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
  margin-block-start: var(--space-2);
}

.booking-form__submit:hover:not(:disabled) {
  background: var(--color-btn-primary-hover);
  transform: translateY(-1px);
}

.booking-form__submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* Honeypot — visually hidden and out of tab order */
.booking-form__honeypot {
  display: none;
}


/* ==========================================================================
   BOOKING CONFIRMATION — Success panel
   ========================================================================== */

.booking-confirm {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-12) var(--space-6);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  animation: confirm-appear 0.4s ease both;
}

@keyframes confirm-appear {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.booking-confirm__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  inline-size: 4rem;
  block-size: 4rem;
  border-radius: var(--radius-full);
  background: var(--color-success);
  color: var(--color-white);
  margin-block-end: var(--space-6);
  flex-shrink: 0;
}

.booking-confirm__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-block-end: var(--space-3);
}

:lang(ar) .booking-confirm__title {
  letter-spacing: 0;
}

.booking-confirm__text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  max-inline-size: 40ch;
  margin-block-end: var(--space-8);
}

:lang(ar) .booking-confirm__text {
  letter-spacing: 0;
}

.booking-confirm__again-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding-block: var(--space-3);
  padding-inline: var(--space-6);
  background: transparent;
  color: var(--color-brand-primary);
  border: 1px solid var(--color-brand-primary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-family-body);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.booking-confirm__again-btn:hover {
  background: var(--color-brand-primary-bg);
}


/* ==========================================================================
   BOOKING FALLBACK — API unavailable panel
   ========================================================================== */

.booking-fallback {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-10) var(--space-6);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.booking-fallback__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  inline-size: 3.5rem;
  block-size: 3.5rem;
  border-radius: var(--radius-full);
  background: var(--color-neutral-200);
  color: var(--color-text-muted);
  margin-block-end: var(--space-5);
  flex-shrink: 0;
}

.booking-fallback__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-block-end: var(--space-2);
}

:lang(ar) .booking-fallback__title {
  letter-spacing: 0;
}

.booking-fallback__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-block-end: var(--space-5);
}

:lang(ar) .booking-fallback__text {
  letter-spacing: 0;
}

.booking-fallback__contacts {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-block-end: var(--space-6);
}

.booking-fallback__contact-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--font-size-base);
  color: var(--color-brand-primary);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
}

.booking-fallback__contact-item:hover {
  color: var(--color-brand-primary-dark);
  text-decoration: underline;
}

.booking-fallback__retry-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding-block: var(--space-3);
  padding-inline: var(--space-6);
  background: var(--color-btn-primary-bg);
  color: var(--color-btn-primary-text);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-family-body);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.booking-fallback__retry-btn:hover {
  background: var(--color-btn-primary-hover);
}


/* ==========================================================================
   BOOKING LOADING — Spinner
   ========================================================================== */

.booking-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-6);
  gap: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.booking-loading__spinner {
  inline-size: 2.5rem;
  block-size: 2.5rem;
  border: 3px solid var(--color-neutral-200);
  border-block-start-color: var(--color-brand-primary);
  border-radius: var(--radius-full);
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}


/* ==========================================================================
   SECTION HEADING AREA — selected-date label
   ========================================================================== */

.booking-slots__date-heading {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-block-end: var(--space-3);
}

:lang(ar) .booking-slots__date-heading {
  letter-spacing: 0;
}


/* ==========================================================================
   BOOKING MESSAGE — Inline alerts (slot taken, rate limit, etc.)
   ========================================================================== */

.booking-message {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  margin-block-end: var(--space-4);
}

.booking-message--error {
  background: rgba(220, 53, 69, 0.08);
  border: 1px solid var(--color-error);
  color: var(--color-error);
}

.booking-message--warning {
  background: rgba(189, 157, 136, 0.12);
  border: 1px solid var(--color-brand-accent);
  color: var(--color-brand-accent-dark);
}

:lang(ar) .booking-message {
  letter-spacing: 0;
}


/* ==========================================================================
   RESPONSIVE — Two-column layout on desktop
   ========================================================================== */

@media (min-width: 1024px) {
  .booking-module {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }

  .booking-module__calendar-col {
    /* Calendar stays in inline-start column */
  }

  .booking-module__detail-col {
    /* Slots + form in inline-end column */
    min-block-size: 1px;
  }
}