/* Booking Page - Cal.com Integration */

/* CSS Custom Properties */
:root {
  /* Spacing System using clamp() for fluid scaling */
  --spacing-xs: clamp(0.25rem, 0.5vw, 0.5rem);
  --spacing-sm: clamp(0.5rem, 1vw, 0.75rem);
  --spacing-md: clamp(0.75rem, 1.5vw, 1rem);
  --spacing-lg: clamp(1rem, 2vw, 1.5rem);
  --spacing-xl: clamp(1.5rem, 3vw, 2rem);
  --spacing-2xl: clamp(2rem, 4vw, 3rem);

  /* Fluid Typography System */
  --text-sm: clamp(0.75rem, 2vw, 0.875rem);
  --text-base: clamp(0.875rem, 2.5vw, 1rem);
  --text-lg: clamp(1rem, 3vw, 1.125rem);
  --text-xl: clamp(1.125rem, 3.5vw, 1.25rem);
  --text-2xl: clamp(1.25rem, 4vw, 1.5rem);
  --text-3xl: clamp(1.5rem, 5vw, 2rem);

  /* Color System */
  --color-primary: #3b82f6;
  --color-primary-light: #60a5fa;
  --color-primary-dark: #1d4ed8;
  --color-success: #10b981;
  --color-success-light: #34d399;
  /* Light mode colors - will be overridden in dark mode */
  --color-card: white;
  --color-background: white;
  --color-foreground: #0f172a;
  --color-muted: #f1f5f9;
  --color-border: #e2e8f0;

  --color-gray-50: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-500: #64748b;
  --color-gray-700: #334155;
  --color-gray-900: #0f172a;

  /* Border Radius System */
  --radius-sm: clamp(0.25rem, 0.5vw, 0.375rem);
  --radius-md: clamp(0.375rem, 0.75vw, 0.5rem);
  --radius-lg: clamp(0.5rem, 1vw, 0.75rem);
  --radius-xl: clamp(0.75rem, 1.5vw, 1rem);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg:
    0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl:
    0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

/* Base Styles */
.booking-page {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, sans-serif;
  background: var(--color-gray-50);
  min-height: 100vh;
  line-height: 1.6;
}

/* Container */
.booking-container {
  max-width: min(90vw, 800px);
  margin: 0 auto;
  padding: var(--spacing-lg);
}

/* Header */
.booking-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-2xl);
  gap: var(--spacing-md);
}

.booking-header-content {
  text-align: center;
  flex: 1;
}

.booking-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
}

.booking-description {
  color: var(--color-gray-500);
  font-size: var(--text-lg);
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--color-gray-100);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  width: clamp(3rem, 6vw, 4rem);
  height: clamp(3rem, 6vw, 4rem);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.theme-toggle-btn:hover {
  background: var(--color-gray-200);
  border-color: var(--color-primary);
  transform: scale(1.05);
}

/* Event Types Section */
.event-types-section {
  background: var(--color-card, white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.section-title {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.event-types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.event-type-card {
  background: var(--color-card, white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.event-type-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.event-type-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-sm);
}

.event-type-duration {
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.event-type-description {
  color: var(--color-gray-500);
  font-size: var(--text-sm);
}

/* Calendar Section */
.calendar-section {
  background: var(--color-card, white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.selected-event-type {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-gray-200);
}

.event-duration {
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

.change-event-type {
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-gray-700);
  cursor: pointer;
  font-size: var(--text-sm);
  transition: all 0.2s ease;
}

.change-event-type:hover {
  background: var(--color-gray-200);
  color: var(--color-gray-900);
}

/* Calendar Container */
.calendar-container {
  background: var(--color-card, white);
  border-radius: var(--radius-lg);
}

/* Calendar Header */
.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.calendar-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-gray-900);
}

.nav-button {
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  width: clamp(2.5rem, 5vw, 3rem);
  height: clamp(2.5rem, 5vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  color: var(--color-gray-700);
  cursor: pointer;
  transition: all 0.2s ease;
}

.nav-button:hover {
  background: var(--color-gray-200);
  color: var(--color-gray-900);
  transform: scale(1.05);
}

/* No Dates Message */
.no-dates-message {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-gray-600);
  font-size: var(--text-sm);
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  margin-top: var(--spacing-lg);
  border: 1px solid var(--color-gray-200);
}

/* Calendar Grid */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: clamp(1px, 1vw, 6px);
}

/* Day Headers */
.calendar-day-header {
  text-align: center;
  font-weight: 600;
  color: var(--color-gray-500);
  padding: var(--spacing-sm);
  font-size: var(--text-sm);
}

.day-short {
  display: none;
}

.day-full {
  display: block;
}

/* Calendar Days */
.calendar-day {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  font-weight: 500;
  border: 2px solid transparent;
  min-height: clamp(2.5rem, 8vw, 3.5rem);
  font-size: var(--text-base);
}

.calendar-day:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.calendar-day.available {
  background: var(--color-success);
  color: white;
}

.calendar-day.available:hover {
  background: var(--color-success-light);
}

.calendar-day.unavailable {
  background: var(--color-gray-100);
  color: var(--color-gray-500);
  cursor: not-allowed;
}

.calendar-day.unavailable:hover {
  transform: none;
  box-shadow: none;
}

.calendar-day.selected {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary-dark);
  transform: scale(1.1);
}

.calendar-day.other-month {
  opacity: 0.3;
  color: var(--color-gray-400);
  cursor: default;
}

.calendar-day.other-month:hover {
  transform: none;
  box-shadow: none;
}

.calendar-day.past-date {
  opacity: 0.4;
  color: var(--color-gray-400);
  background: var(--color-gray-50);
  cursor: not-allowed;
  text-decoration: line-through;
}

.calendar-day.past-date:hover {
  transform: none;
  box-shadow: none;
}

/* Availability Dot */
.availability-dot {
  position: absolute;
  bottom: clamp(2px, 1vw, 4px);
  left: 50%;
  transform: translateX(-50%);
  width: clamp(3px, 1vw, 4px);
  height: clamp(3px, 1vw, 4px);
  border-radius: 50%;
  background: currentColor;
  opacity: 0.8;
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  padding: var(--spacing-lg);
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

/* Modal Content */
.modal-content {
  background: var(--color-card, white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  max-width: min(95vw, 600px);
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-xl);
}

.modal-overlay.show .modal-content {
  transform: scale(1) translateY(0);
}

/* Modal Header */
.modal-header {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  text-align: center;
  position: relative;
}

.modal-title {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-gray-900);
}

.modal-subtitle {
  color: var(--color-gray-500);
  font-size: var(--text-lg);
}

.date-short {
  display: none;
}

.date-full {
  display: block;
}

.close-button {
  position: absolute;
  top: 0;
  right: 0;
  background: none;
  border: none;
  font-size: var(--text-2xl);
  cursor: pointer;
  color: var(--color-gray-500);
  width: clamp(2rem, 5vw, 2.5rem);
  height: clamp(2rem, 5vw, 2.5rem);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.close-button:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-900);
}

/* Guest Information Section */
.guest-info-section {
  padding: var(--spacing-lg);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
  background: var(--color-gray-50);
}

.guest-info-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-md);
}

.guest-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

/* New layout with separate name fields */
.guest-name-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.guest-name-input {
  padding: var(--spacing-md);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  transition: border-color 0.2s ease;
}

.guest-email-row {
  margin-bottom: var(--spacing-md);
}

.guest-email-input {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  transition: border-color 0.2s ease;
}

.guest-name-input:focus,
.guest-email-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.guest-input {
  padding: var(--spacing-md);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  transition: border-color 0.2s ease;
}

.guest-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.timezone-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.timezone-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-700);
}

.timezone-select {
  padding: var(--spacing-md);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  background: var(--color-card, white);
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.timezone-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Loading and Error States */
.loading-state {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-gray-500);
  font-size: var(--text-base);
}

.error-message {
  background: #fee2e2;
  color: #dc2626;
  padding: var(--spacing-md);
  margin: 0 0 var(--spacing-lg) 0;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}

.no-times-message {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-gray-500);
  font-size: var(--text-base);
}

/* Time Groups */
.time-groups {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.time-group {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.group-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

/* Time Slots */
.time-slots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(clamp(4rem, 20vw, 6rem), 1fr));
  gap: var(--spacing-sm);
}

.time-slot {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  background: var(--color-card, white);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  font-weight: 500;
  font-size: var(--text-base);
  min-height: clamp(2.5rem, 6vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: center;
}

.time-slot:hover {
  border-color: var(--color-primary);
  background: var(--color-gray-50);
  transform: translateY(-1px);
}

.time-slot.selected {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: white;
  transform: scale(1.05);
}

/* Modal Actions */
.modal-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

.btn {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  font-size: var(--text-base);
  min-height: clamp(2.5rem, 6vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-secondary {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  border: 1px solid var(--color-gray-300);
}

.btn-secondary:hover {
  background: var(--color-gray-200);
  color: var(--color-gray-900);
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  background: var(--color-gray-300);
  cursor: not-allowed;
  transform: none;
}

.btn-text-short {
  display: none;
}

.btn-text-full {
  display: block;
}

/* Success Modal */
.success-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1001;
}

.success-modal {
  background: var(--color-card, white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  max-width: 400px;
  width: 90%;
  box-shadow: var(--shadow-xl);
}

.success-content {
  text-align: center;
}

.success-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
}

.success-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
}

.success-details {
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-lg);
  font-size: var(--text-base);
}

.booking-id {
  color: var(--color-gray-500);
  font-size: var(--text-sm);
  margin-bottom: var(--spacing-xl);
}

.success-button {
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  font-size: var(--text-base);
  font-weight: 500;
  transition: background-color 0.2s ease;
}

.success-button:hover {
  background: var(--color-primary-dark);
}

/* Responsive Design */

/* Large Mobile / Small Tablet (768px and down) */
@media (max-width: 768px) {
  .booking-container {
    padding: var(--spacing-md);
  }

  .modal-actions {
    flex-direction: column;
  }

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

  .guest-info-grid {
    grid-template-columns: 1fr;
  }

  .guest-name-row {
    grid-template-columns: 1fr;
  }
}

/* Medium Mobile (640px and down) */
@media (max-width: 640px) {
  .event-types-grid {
    grid-template-columns: 1fr;
  }

  .calendar-title {
    font-size: var(--text-lg);
  }

  .time-groups {
    gap: var(--spacing-md);
  }

  .time-group {
    padding: var(--spacing-md);
  }

  .booking-header {
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .booking-header-content {
    order: 1;
  }

  .theme-toggle-btn {
    order: 0;
    align-self: flex-end;
  }
}

/* Small Mobile (480px and down) */
@media (max-width: 480px) {
  .booking-container {
    padding: var(--spacing-sm);
  }

  .calendar-grid {
    gap: 2px;
  }

  .calendar-day {
    font-size: var(--text-sm);
  }

  .day-full {
    display: none;
  }

  .day-short {
    display: block;
  }

  .date-full {
    display: none;
  }

  .date-short {
    display: block;
  }

  .btn-text-full {
    display: none;
  }

  .btn-text-short {
    display: block;
  }

  .time-slots {
    grid-template-columns: 1fr;
  }

  .modal-content {
    padding: var(--spacing-lg);
  }
}

/* Ultra Small Mobile (360px and down) */
@media (max-width: 360px) {
  .calendar-grid {
    gap: 1px;
  }

  .event-types-section,
  .calendar-section {
    padding: var(--spacing-md);
  }

  .nav-button {
    width: 2rem;
    height: 2rem;
    font-size: var(--text-lg);
  }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  .calendar-day.available {
    background: var(--color-gray-900);
    color: white;
    border: 2px solid var(--color-gray-900);
  }

  .calendar-day.selected {
    background: var(--color-primary-dark);
    border: 3px solid var(--color-primary-dark);
  }

  .time-slot {
    border-width: 2px;
  }

  .time-slot.selected {
    border-width: 3px;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .calendar-day,
  .time-slot,
  .btn,
  .nav-button,
  .modal-content,
  .modal-overlay,
  .event-type-card {
    transition: none;
  }

  .calendar-day:hover,
  .time-slot:hover,
  .btn:hover,
  .event-type-card:hover {
    transform: none;
  }
}

/* Print Styles */
@media print {
  .modal-overlay,
  .success-overlay {
    display: none;
  }

  .booking-page {
    background: var(--color-card, white);
  }

  .calendar-container,
  .event-types-section {
    box-shadow: none;
    border: 1px solid var(--color-gray-300);
  }

  .nav-button {
    display: none;
  }
}

/* Dark Mode Support */
[data-theme="dark"] {
  --color-gray-50: #0f172a;
  --color-gray-100: #1e293b;
  --color-gray-200: #334155;
  --color-gray-300: #475569;
  --color-gray-500: #94a3b8;
  --color-gray-700: #cbd5e1;
  --color-gray-900: #f8fafc;

  /* Dark mode specific colors */
  --color-primary: #60a5fa;
  --color-primary-light: #93c5fd;
  --color-primary-dark: #3b82f6;
  --color-success: #34d399;
  --color-success-light: #6ee7b7;

  /* Dark mode shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --shadow-lg:
    0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);
  --shadow-xl:
    0 20px 25px -5px rgb(0 0 0 / 0.4), 0 8px 10px -6px rgb(0 0 0 / 0.3);
}

/* System dark mode fallback */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-gray-50: #0f172a;
    --color-gray-100: #1e293b;
    --color-gray-200: #334155;
    --color-gray-300: #475569;
    --color-gray-500: #94a3b8;
    --color-gray-700: #cbd5e1;
    --color-gray-900: #f8fafc;

    --color-primary: #60a5fa;
    --color-primary-light: #93c5fd;
    --color-primary-dark: #3b82f6;
    --color-success: #34d399;
    --color-success-light: #6ee7b7;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md:
      0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg:
      0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);
    --shadow-xl:
      0 20px 25px -5px rgb(0 0 0 / 0.4), 0 8px 10px -6px rgb(0 0 0 / 0.3);
  }
}

/* Dark mode specific component adjustments */
[data-theme="dark"] .event-types-section,
[data-theme="dark"] .calendar-section {
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-200);
}

[data-theme="dark"] .event-type-card {
  background: var(--color-gray-100);
  border-color: var(--color-gray-300);
}

[data-theme="dark"] .event-type-card:hover {
  background: var(--color-gray-200);
  border-color: var(--color-primary);
}

[data-theme="dark"] .modal-content {
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-200);
}

[data-theme="dark"] .guest-info-section {
  background: var(--color-gray-50);
  border-color: var(--color-gray-300);
}

[data-theme="dark"] .guest-input,
[data-theme="dark"] .guest-name-input,
[data-theme="dark"] .guest-email-input,
[data-theme="dark"] .timezone-select {
  background: var(--color-gray-100);
  border-color: var(--color-gray-300);
  color: var(--color-gray-900);
}

[data-theme="dark"] .guest-input:focus,
[data-theme="dark"] .guest-name-input:focus,
[data-theme="dark"] .guest-email-input:focus,
[data-theme="dark"] .timezone-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

[data-theme="dark"] .time-group {
  background: var(--color-gray-50);
  border-color: var(--color-gray-300);
}

[data-theme="dark"] .time-slot {
  background: var(--color-gray-100);
  border-color: var(--color-gray-300);
  color: var(--color-gray-900);
}

[data-theme="dark"] .time-slot:hover {
  background: var(--color-gray-200);
  border-color: var(--color-primary);
}

[data-theme="dark"] .success-modal {
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-200);
}

[data-theme="dark"] .error-message {
  background: rgba(220, 38, 38, 0.1);
  color: #fca5a5;
  border: 1px solid rgba(220, 38, 38, 0.2);
}

[data-theme="dark"] .theme-toggle-btn {
  background: var(--color-gray-200);
  border-color: var(--color-gray-300);
  color: var(--color-gray-900);
}

[data-theme="dark"] .theme-toggle-btn:hover {
  background: var(--color-gray-300);
  border-color: var(--color-primary);
}

/* Empty State Styles */
.empty-state {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: clamp(20rem, 30vh, 25rem);
  padding: var(--spacing-2xl);
}

.empty-state-content {
  text-align: center;
  max-width: 28rem;
}

.empty-state-title {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-md);
}

.empty-state-description {
  font-size: var(--text-base);
  color: var(--color-gray-500);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.empty-state-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

.empty-state .btn {
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.empty-state .btn-primary {
  background: var(--color-primary);
  color: white;
}

.empty-state .btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Dark theme support for empty state */
[data-theme="dark"] .empty-state-title {
  color: white;
}

[data-theme="dark"] .empty-state-description {
  color: var(--color-gray-300);
}

/* Dark Mode CSS Variable Overrides */
.dark {
  --color-card: hsl(0 0% 18%); /* Match Tailwind --card value */
  --color-background: hsl(0 0% 15%); /* Match Tailwind --background value */
  --color-foreground: hsl(0 0% 90%); /* Match Tailwind --foreground value */
  --color-muted: hsl(0 0% 20%); /* Match Tailwind --muted value */
  --color-border: hsl(0 0% 35%); /* Match Tailwind --border value */
}