/* 
 * Google Calendar Booking Integration
 * Following the :AtomicDesignPattern and ModelML design system
 * Implements responsive calendar embedding with consistent styling
 */

/* ===== Calendar Booking Section ===== */
.calendar-booking-section {
  background-color: var(--color-background);
  padding: var(--space-3xl) 0;
  position: relative;
  overflow: hidden;
}

.calendar-booking-container {
  width: 100%;
  max-width: var(--container-max-width);
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 2;
}

.calendar-booking-header {
  text-align: center;
  margin-bottom: var(--space-xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.calendar-booking-title {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-md);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-text);
}

.calendar-booking-description {
  font-size: var(--font-size-h5);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* Calendar iframe container */
.calendar-wrapper {
  background-color: var(--color-background);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow var(--duration-normal) var(--easing-standard);
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.calendar-wrapper:hover {
  box-shadow: var(--shadow-card-hover);
}

/* Loading state for calendar iframe */
.calendar-loading {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-background-secondary);
  z-index: 1;
  opacity: 1;
  transition: opacity var(--duration-normal) var(--easing-standard);
}

.calendar-loading.loaded {
  opacity: 0;
  pointer-events: none;
}

.calendar-loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: calendar-spin 1s linear infinite;
}

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

.calendar-loading-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, calc(-50% + 40px));
  color: var(--color-text-secondary);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
}

/* Google Calendar iframe */
.google-calendar {
  position: relative;
  width: 100%;
  padding-bottom: 60%; /* 600px / 1000px aspect ratio */
  height: 0;
  overflow: hidden;
}

.google-calendar iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: var(--border-radius-lg);
}

/* Decorative accent shapes */
.calendar-accent {
  position: absolute;
  border-radius: 50%;
  opacity: 0.08;
  z-index: 1;
  pointer-events: none;
}

.calendar-accent-1 {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-1));
  width: 300px;
  height: 300px;
  top: -150px;
  right: -100px;
}

.calendar-accent-2 {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  width: 250px;
  height: 250px;
  bottom: -125px;
  left: -125px;
}

/* Responsive adjustments */
@media (max-width: 1200px) {
  .google-calendar {
    padding-bottom: 65%; /* Slightly taller aspect ratio for smaller screens */
  }
}

@media (max-width: 992px) {
  .calendar-booking-section {
    padding: var(--space-2xl) 0;
  }
  
  .calendar-booking-title {
    font-size: calc(var(--font-size-h2) * 0.9);
  }
  
  .google-calendar {
    padding-bottom: 70%;
  }
}

@media (max-width: 768px) {
  .calendar-booking-section {
    padding: var(--space-xl) 0;
  }
  
  .calendar-booking-title {
    font-size: var(--font-size-h3);
  }
  
  .calendar-booking-description {
    font-size: var(--font-size-body);
  }
  
  .google-calendar {
    padding-bottom: 75%;
  }
  
  .calendar-wrapper {
    box-shadow: var(--shadow-level-1);
  }
  
  .calendar-accent-1,
  .calendar-accent-2 {
    width: 200px;
    height: 200px;
  }
}

@media (max-width: 480px) {
  .google-calendar {
    padding-bottom: 100%; /* Square aspect ratio for very small screens */
  }
  
  .calendar-booking-header {
    margin-bottom: var(--space-lg);
  }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
  .calendar-loading-spinner {
    animation: none;
    opacity: 0.8;
  }
  
  .calendar-wrapper,
  .calendar-loading {
    transition: none;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .calendar-wrapper {
    border: var(--border-width-medium) solid var(--color-text);
  }
  
  .calendar-loading {
    background-color: var(--color-background);
    border: var(--border-width-thin) solid var(--color-text);
  }
}

/* Print styles */
@media print {
  .calendar-booking-section {
    display: none;
  }
}