/* ============================================
   CSS Variables
   ============================================ */
.previo-modal {
  --previo-color-text: #2a2a2a;
  --previo-color-text-light: #666;
  --previo-color-text-muted: #999;
  --previo-color-bg: #ffffff;
  --previo-color-bg-alt: #fafafa;
  --previo-color-bg-subtle: #f5f5f5;
  --previo-color-border: #e5e5e5;
  --previo-color-border-light: #f0f0f0;
  --previo-color-accent: #3d4e2f;
  --previo-color-accent-hover: #2a3822;
  --previo-color-error: #dc2626;
  --previo-color-success: #16a34a;
  --previo-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --previo-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --previo-shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --previo-radius-sm: 4px;
  --previo-radius-md: 8px;
  --previo-radius-lg: 12px;
  --previo-radius-full: 9999px;
  --previo-font-system: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --previo-font-serif: 'Cormorant Garamond', 'Garamond', 'Baskerville', 'Times New Roman', serif;
  --previo-transition-fast: 0.15s ease;
  --previo-transition-normal: 0.3s ease;
  --previo-transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================
   Body scroll lock
   ============================================ */
body.previo-modal-active {
  overflow: hidden;
  -webkit-overflow-scrolling: touch;
}

/* ============================================
   Modal container
   ============================================ */
.previo-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  opacity: 0;
  transition: visibility 0s linear 0.3s, opacity var(--previo-transition-normal);
}

.previo-modal.previo-modal-open {
  visibility: visible;
  opacity: 1;
  transition-delay: 0s;
}

/* ============================================
   Overlay backdrop
   ============================================ */
.previo-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(42, 42, 42, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity var(--previo-transition-normal);
}

.previo-modal.previo-modal-open .previo-modal-overlay {
  opacity: 1;
}

/* ============================================
   Modal container (dialog)
   ============================================ */
.previo-modal-container {
  position: relative;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  background: var(--previo-color-bg);
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform var(--previo-transition-slow);
}

.previo-modal.previo-modal-open .previo-modal-container {
  transform: translateY(0);
}

/* Desktop: centered modal with max dimensions */
@media (min-width: 768px) {
  .previo-modal-container {
    width: 95%;
    height: 66%;
    max-width: 1000px;
    max-height: 92vh;
    border-radius: var(--previo-radius-lg);
    box-shadow: var(--previo-shadow-lg);
    transform: scale(0.96) translateY(24px);
    opacity: 0;
    transition: transform var(--previo-transition-slow), opacity var(--previo-transition-normal);
  }

  .previo-modal.previo-modal-open .previo-modal-container {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

/* ============================================
   Header section
   ============================================ */
.previo-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--previo-color-border-light);
  background: var(--previo-color-bg);
  flex-shrink: 0;
  position: relative;
  z-index: 10;
  gap: 12px;
}

@media (min-width: 768px) {
  .previo-modal-header {
    padding: 16px 24px;
    border-radius: var(--previo-radius-lg) var(--previo-radius-lg) 0 0;
  }
}

/* Header content wrapper */
.previo-modal-header-content {
  flex: 1;
}

/* Drag indicator for mobile */
@media (max-width: 767px) {
  .previo-modal-header::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 3px;
    background: var(--previo-color-border);
    border-radius: var(--previo-radius-full);
    opacity: 0.4;
  }

  .previo-modal-header {
    padding-top: 16px;
  }
}

/* ============================================
   Title and subtitle
   ============================================ */
.previo-modal-title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--previo-color-text);
  font-family: var(--previo-font-serif);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

@media (min-width: 768px) {
  .previo-modal-title {
    font-size: 1.5rem;
  }
}

.previo-modal-subtitle {
  display: none;
}

@media (min-width: 768px) {
  .previo-modal-subtitle {
    display: block;
    font-size: 0.8125rem;
    color: var(--previo-color-text-muted);
    font-family: var(--previo-font-system);
    margin-top: 2px;
    font-weight: 400;
  }
}

/* ============================================
   Close button
   ============================================ */
.previo-modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  background: transparent;
  border-radius: var(--previo-radius-full);
  cursor: pointer;
  color: var(--previo-color-text-light);
  transition: all var(--previo-transition-fast);
  flex-shrink: 0;
}

.previo-modal-close:hover {
  background: var(--previo-color-bg-subtle);
  color: var(--previo-color-text);
}

.previo-modal-close:active {
  transform: scale(0.95);
}

.previo-modal-close:focus {
  outline: 2px solid var(--previo-color-accent);
  outline-offset: 2px;
}

.previo-modal-close svg {
  width: 22px;
  height: 22px;
}

/* ============================================
   Body section
   ============================================ */
.previo-modal-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  position: relative;
  background: var(--previo-color-bg);
  display: flex;
  flex-direction: column;
  min-height: 500px;
}

/* When iframe is present, allow full height */
.previo-modal-body:has(iframe) {
  min-height: 700px;
  overflow: visible;
}

@media (min-width: 768px) {
  .previo-modal-body {
    border-radius: 0 0 var(--previo-radius-lg) var(--previo-radius-lg);
  }
}

/* Custom scrollbar */
.previo-modal-body::-webkit-scrollbar {
  width: 6px;
}

.previo-modal-body::-webkit-scrollbar-track {
  background: transparent;
}

.previo-modal-body::-webkit-scrollbar-thumb {
  background: var(--previo-color-border);
  border-radius: var(--previo-radius-full);
}

.previo-modal-body::-webkit-scrollbar-thumb:hover {
  background: var(--previo-color-text-muted);
}

/* ============================================
   Booking engine container
   ============================================ */
.previo-booking-engine {
  width: 100%;
  flex: 1;
  background: var(--previo-color-bg);
  display: block;
  min-height: 500px;
}

.previo-booking-engine:empty {
  display: none;
}

.previo-booking-engine iframe,
.previo-booking-engine-inline iframe,
.previo-booking-iframe {
  width: 100% !important;
  height: 750px !important;
  min-height: 750px;
  max-height: none;
  border: none;
  display: block;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

@media (min-width: 768px) {
  .previo-booking-engine iframe,
  .previo-booking-engine-inline iframe,
  .previo-booking-iframe {
    height: 800px !important;
    min-height: 800px;
  }
}

/* Mobile - use viewport height */
@media (max-width: 767px) {
  .previo-booking-engine iframe,
  .previo-booking-engine-inline iframe,
  .previo-booking-iframe {
    height: 80vh !important;
    min-height: 80vh;
  }
}

/* Iframe wrapper for proper sizing */
.previo-iframe-wrapper {
  width: 100%;
  height: 750px;
  min-height: 750px;
}

@media (min-width: 768px) {
  .previo-iframe-wrapper {
    height: 800px;
    min-height: 800px;
  }
}

@media (max-width: 767px) {
  .previo-iframe-wrapper {
    height: 80vh;
    min-height: 80vh;
  }
}

/* ============================================
   Loading state
   ============================================ */
.previo-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  gap: 16px;
  min-height: 200px;
  flex: 1;
  opacity: 1;
  transition: opacity var(--previo-transition-normal);
}

.previo-loading.fade-out {
  opacity: 0;
}

/* Modern ring spinner */
.previo-spinner-ring {
  position: relative;
  width: 44px;
  height: 44px;
}

.previo-spinner-segment {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: var(--previo-color-accent);
  animation: previo-spin 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

.previo-spinner-segment:nth-child(1) {
  animation-delay: -0.4s;
}

.previo-spinner-segment:nth-child(2) {
  animation-delay: -0.2s;
}

.previo-spinner-segment:nth-child(3) {
  animation-delay: 0s;
  opacity: 0.3;
}

@keyframes previo-spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Loading text */
.previo-loading-text {
  margin: 0;
  color: var(--previo-color-text-light);
  font-size: 0.9375rem;
  font-family: var(--previo-font-system);
  font-weight: 400;
  letter-spacing: 0.01em;
}

/* ============================================
   Error state
   ============================================ */
.previo-error-state {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  gap: 16px;
  min-height: 400px;
  flex: 1;
  text-align: center;
}

.previo-error-state.previo-error-visible {
  display: flex;
  animation: previo-fadeIn 0.3s ease;
}

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

.previo-error-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--previo-color-bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--previo-color-error);
  margin-bottom: 8px;
}

.previo-error-icon svg {
  width: 32px;
  height: 32px;
}

.previo-error-title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--previo-color-text);
  font-family: var(--previo-font-system);
}

.previo-error-message {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--previo-color-text-light);
  font-family: var(--previo-font-system);
  max-width: 320px;
}

.previo-retry-btn {
  margin-top: 8px;
  padding: 12px 24px;
  font-size: 0.9375rem;
  font-weight: 500;
  font-family: var(--previo-font-system);
  color: white;
  background: var(--previo-color-accent);
  border: none;
  border-radius: var(--previo-radius-md);
  cursor: pointer;
  transition: all var(--previo-transition-fast);
}

.previo-retry-btn:hover {
  background: var(--previo-color-accent-hover);
  transform: translateY(-1px);
}

.previo-retry-btn:active {
  transform: translateY(0);
}

.previo-retry-btn:focus {
  outline: 2px solid var(--previo-color-accent);
  outline-offset: 2px;
}

/* ============================================
   Footer section
   ============================================ */
.previo-modal-footer {
  display: none;
  padding: 12px 20px;
  border-top: 1px solid var(--previo-color-border-light);
  background: var(--previo-color-bg-subtle);
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .previo-modal-footer {
    display: block;
  }
}

.previo-modal-footer-text {
  font-size: 0.8125rem;
  color: var(--previo-color-text-muted);
  font-family: var(--previo-font-system);
}

.previo-modal-footer-text a {
  color: var(--previo-color-text-light);
  text-decoration: none;
  transition: color var(--previo-transition-fast);
}

.previo-modal-footer-text a:hover {
  color: var(--previo-color-accent);
}

/* ============================================
   RTL support
   ============================================ */
[dir="rtl"] .previo-modal-header {
  flex-direction: row-reverse;
}

[dir="rtl"] .previo-modal-close {
  transform: scaleX(-1);
}

/* ============================================
   Safe area for mobile devices with notch
   ============================================ */
@supports (padding-top: env(safe-area-inset-top)) {
  .previo-modal-header {
    padding-top: calc(16px + env(safe-area-inset-top));
  }

  .previo-modal-body {
    padding-bottom: env(safe-area-inset-bottom);
  }
}

@media (min-width: 768px) {
  @supports (padding-top: env(safe-area-inset-top)) {
    .previo-modal-header {
      padding-top: calc(20px + env(safe-area-inset-top));
    }
  }
}

/* ============================================
   Mobile-specific enhancements
   ============================================ */
@media (max-width: 767px) {
  .previo-modal-container {
    border-radius: 20px 20px 0 0;
    max-height: calc(100% - 20px);
    margin-top: auto;
    position: absolute;
    bottom: 0;
  }

  .previo-modal-header {
    border-radius: 20px 20px 0 0;
  }

  .previo-modal-title {
    font-size: 1rem;
  }

  .previo-modal-close {
    width: 36px;
    height: 36px;
  }

  .previo-modal-close svg {
    width: 20px;
    height: 20px;
  }

  .previo-booking-engine iframe {
    min-height: 400px;
  }

  .previo-loading {
    padding: 32px 20px;
    min-height: 160px;
  }
}

/* ============================================
   Reduce motion for accessibility
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .previo-modal,
  .previo-modal-overlay,
  .previo-modal-container,
  .previo-modal-close,
  .previo-loading,
  .previo-spinner-ring,
  .previo-retry-btn {
    transition: none;
    animation: none;
  }
}



/* ============================================
   Inline booking widget (for groups page)
   ============================================ */
.previo-booking-inline {
  background: var(--previo-color-bg);
  border-radius: var(--previo-radius-lg);
  box-shadow: var(--previo-shadow-md);
  overflow: hidden;
  margin: 24px 0;
  min-height: 600px;
}

.previo-booking-engine-inline {
  width: 100%;
  min-height: 600px;
}

.previo-booking-engine-inline iframe {
  width: 100% !important;
  height: 100% !important;
  min-height: 600px;
  border: none;
  display: block;
}

@media (min-width: 768px) {
  .previo-booking-engine-inline iframe {
    min-height: 700px;
  }
}