/* ===================================
   BILLBOARD BOOKING - MINIMAL DESIGN SYSTEM V3
   Based on minimal_design_system.md tokens
   =================================== */

/* CSS Custom Properties (Design Tokens) */
:root {
  /* Colors from @theme - RED PRIMARY */
  --color-primary: #ef4444;
  --color-primary-50: #fef2f2;
  --color-primary-100: #fee2e2;
  --color-primary-200: #fecaca;
  --color-primary-500: #ef4444;
  --color-primary-600: #dc2626;
  --color-primary-700: #b91c1c;
  --color-primary-900: #7f1d1d;
  --color-foreground: #0f0f0f;
  --color-muted-foreground: #525252;
  --color-border: #e7e7ee;
  --color-white: #ffffff;
  --color-black: #000000;
  
  /* Semantic Colors */
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;
  
  /* Spacing & Layout */
  --radius-lg: 0.5rem; /* 8px */
  --radius-md: 0.375rem; /* 6px */
  --radius-sm: 0.25rem; /* 4px */
  
  /* Typography - INTER FONT */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Shadows (minimal) */
  --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);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;
}

/* ===================================
   BASE STYLES & RESET
   =================================== */

.billboard-minimal {
  font-family: var(--font-sans);
  line-height: 1.5;
  color: var(--color-foreground);
  background-color: var(--color-white);
}

.billboard-minimal *,
.billboard-minimal *::before,
.billboard-minimal *::after {
  box-sizing: border-box;
}

/* ===================================
   TYPOGRAPHY SCALE
   =================================== */

.billboard-minimal h1 {
  font-size: 2.25rem; /* 36px */
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-foreground);
  letter-spacing: -0.025em;
}

@media (min-width: 768px) {
  .billboard-minimal h1 {
    font-size: 3rem; /* 48px */
  }
}

.billboard-minimal h2 {
  font-size: 1.5rem; /* 24px */
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-foreground);
}

.billboard-minimal h3 {
  font-size: 1.125rem; /* 18px */
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-foreground);
}

.billboard-minimal .subtitle {
  font-size: 1.125rem; /* 18px */
  color: var(--color-muted-foreground);
  line-height: 1.6;
}

@media (min-width: 768px) {
  .billboard-minimal .subtitle {
    font-size: 1.25rem; /* 20px */
  }
}

.billboard-minimal .card-title {
  font-size: 1.125rem; /* 18px */
  font-weight: 600;
  color: var(--color-foreground);
}

.billboard-minimal .body-text {
  font-size: 1rem; /* 16px */
  color: #374151;
  line-height: 1.6;
}

.billboard-minimal .small-text {
  font-size: 0.875rem; /* 14px */
  color: #6b7280;
  line-height: 1.5;
}

/* ===================================
   LAYOUT COMPONENTS
   =================================== */

.billboard-minimal .container {
  width: 100%;
  max-width: 72rem; /* 1152px */
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header Block */
.billboard-minimal .header-block {
  text-align: center;
  margin-bottom: 5rem; /* 80px */
  padding: 0 1rem;
}

.billboard-minimal .header-block .space-y-4 > * + * {
  margin-top: 1rem; /* 16px */
}

.billboard-minimal .header-block h1 {
  margin-bottom: 1rem;
  tracking-tight: -0.025em;
}

.billboard-minimal .header-block .subtitle {
  max-width: 42rem; /* 672px */
  margin-left: auto;
  margin-right: auto;
}

/* ===================================
   COMPONENTS
   =================================== */

/* Cards */
.billboard-minimal .card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem; /* 24px */
  transition: border-color var(--transition-normal);
}

.billboard-minimal .card-hover:hover {
  border-color: var(--color-primary);
  cursor: pointer;
}

.billboard-minimal .card-selected {
  border-color: var(--color-primary);
  background-color: rgba(239, 68, 68, 0.05);
}

/* Buttons */
.billboard-minimal .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem; /* 8px */
  padding: 0.625rem 1.25rem; /* 10px 20px */
  font-size: 0.875rem; /* 14px */
  font-weight: 500;
  line-height: 1.4;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  min-height: 2.75rem; /* 44px - minimum touch target */
}

.billboard-minimal .btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.billboard-minimal .btn-primary:hover:not(:disabled) {
  background-color: #dc2626; /* --color-primary-600 */
  border-color: #dc2626;
}

.billboard-minimal .btn-secondary {
  background-color: transparent;
  color: var(--color-foreground);
  border-color: var(--color-border);
}

.billboard-minimal .btn-secondary:hover:not(:disabled) {
  background-color: #f9fafb;
  border-color: #d1d5db;
}

/* Form Elements */
.billboard-minimal .input,
.billboard-minimal .select,
.billboard-minimal .textarea {
  width: 100%;
  padding: 0.625rem 0.875rem; /* 10px 14px */
  font-size: 0.875rem; /* 14px */
  line-height: 1.5;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.billboard-minimal .input:focus,
.billboard-minimal .select:focus,
.billboard-minimal .textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.billboard-minimal .label {
  display: block;
  font-size: 0.875rem; /* 14px */
  font-weight: 500;
  color: var(--color-foreground);
  margin-bottom: 0.375rem; /* 6px */
}

/* ===================================
   PROGRESS TRACKER
   =================================== */

.billboard-minimal .progress-tracker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem; /* 40px */
}

.billboard-minimal .progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  position: relative;
}

.billboard-minimal .progress-dot {
  width: 2rem; /* 32px */
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem; /* 12px */
  font-weight: 600;
  transition: all var(--transition-normal);
  position: relative;
  z-index: 2;
}

.billboard-minimal .progress-dot-pending {
  background-color: #f3f4f6;
  border: 2px solid var(--color-border);
  color: #9ca3af;
}

.billboard-minimal .progress-dot-active {
  background-color: var(--color-primary);
  border: 2px solid var(--color-primary);
  color: var(--color-white);
}

.billboard-minimal .progress-dot-completed {
  background-color: var(--color-primary);
  border: 2px solid var(--color-primary);
  color: var(--color-white);
}

.billboard-minimal .progress-line {
  flex: 1;
  height: 2px;
  background-color: var(--color-border);
  margin: 0 0.5rem;
  transition: background-color var(--transition-normal);
}

.billboard-minimal .progress-line-completed {
  background-color: var(--color-primary);
}

.billboard-minimal .progress-step-label {
  font-size: 0.75rem; /* 12px */
  margin-top: 0.5rem; /* 8px */
  text-align: center;
  color: var(--color-muted-foreground);
  transition: color var(--transition-normal);
}

.billboard-minimal .progress-step-label.active {
  color: var(--color-primary);
  font-weight: 500;
}

.billboard-minimal .progress-step-label.completed {
  color: var(--color-foreground);
}

/* ===================================
   STEP-SPECIFIC COMPONENTS
   =================================== */

/* Location Cards */
.billboard-minimal .location-card {
  transition: all var(--transition-normal);
}

.billboard-minimal .location-card:hover {
  transform: translateY(-2px);
}

.billboard-minimal .location-card .aspect-video {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 1rem;
}

.billboard-minimal .location-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.billboard-minimal .location-card:hover img {
  transform: scale(1.05);
}

/* Calendar */
.billboard-minimal .calendar-nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  color: var(--color-foreground);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.billboard-minimal .calendar-nav-btn:hover {
  background-color: #f9fafb;
  border-color: var(--color-primary);
}

.billboard-minimal .calendar-day-header {
  font-size: 0.75rem; /* 12px */
  font-weight: 600;
  color: var(--color-muted-foreground);
  text-align: center;
  padding: 0.5rem 0;
}

.billboard-minimal .calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem; /* 14px */
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.billboard-minimal .calendar-day-today {
  font-weight: 600;
  color: var(--color-primary);
}

.billboard-minimal .calendar-day-available:hover {
  background-color: #f9fafb;
}

.billboard-minimal .calendar-day-selected {
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
}

.billboard-minimal .calendar-day-unavailable {
  color: #d1d5db;
  cursor: not-allowed;
  opacity: 0.5;
}

/* Time Slots */
.billboard-minimal .time-group {
  margin-bottom: 1.5rem; /* 24px */
}

.billboard-minimal .time-group-header {
  font-size: 0.875rem; /* 14px */
  font-weight: 600;
  color: var(--color-foreground);
  margin-bottom: 0.75rem; /* 12px */
}

.billboard-minimal .time-group-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 0.5rem; /* 8px */
}

.billboard-minimal .time-slot {
  padding: 0.5rem 0.75rem; /* 8px 12px */
  font-size: 0.75rem; /* 12px */
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  color: var(--color-foreground);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
}

.billboard-minimal .time-slot:hover:not(:disabled) {
  border-color: var(--color-primary);
  background-color: rgba(239, 68, 68, 0.05);
}

.billboard-minimal .time-slot-selected {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.billboard-minimal .time-slot-disabled {
  color: #d1d5db;
  cursor: not-allowed;
  opacity: 0.5;
}

/* ===================================
   UTILITY CLASSES
   =================================== */

.billboard-minimal .space-y-6 > * + * {
  margin-top: 1.5rem; /* 24px */
}

.billboard-minimal .space-y-4 > * + * {
  margin-top: 1rem; /* 16px */
}

.billboard-minimal .gap-6 {
  gap: 1.5rem; /* 24px */
}

.billboard-minimal .gap-4 {
  gap: 1rem; /* 16px */
}

.billboard-minimal .gap-3 {
  gap: 0.75rem; /* 12px */
}

/* Grid Layouts */
.billboard-minimal .grid-cols-1 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 768px) {
  .billboard-minimal .md\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .billboard-minimal .lg\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  
  .billboard-minimal .lg\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 767px) {
  .billboard-minimal .progress-tracker {
    flex-direction: column;
    gap: 1rem;
  }
  
  .billboard-minimal .progress-line {
    width: 2px;
    height: 1rem;
    margin: 0.25rem 0;
  }
  
  .billboard-minimal .time-group-grid {
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
  }
}

/* ===================================
   ACCESSIBILITY
   =================================== */

.billboard-minimal *:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.billboard-minimal .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===================================
   BADGES & STATUS INDICATORS
   =================================== */

.billboard-minimal .badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem; /* 4px */
  padding: 0.25rem 0.5rem; /* 4px 8px */
  font-size: 0.75rem; /* 12px */
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.billboard-minimal .badge-success {
  background-color: rgba(34, 197, 94, 0.1);
  color: var(--color-success);
}

.billboard-minimal .badge-warning {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
}

.billboard-minimal .badge-error {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
}

/* ===================================
   LOADING STATES
   =================================== */

.billboard-minimal .loading-spinner {
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid var(--color-border);
  border-top: 2px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* ===================================
   EMPTY STATES
   =================================== */

.billboard-minimal .empty-state {
  text-align: center;
  padding: 4rem 2rem; /* 64px 32px */
}

.billboard-minimal .empty-state svg {
  width: 4rem;
  height: 4rem;
  color: #d1d5db;
  margin: 0 auto 1rem;
}

.billboard-minimal .empty-state h3 {
  font-size: 1.125rem; /* 18px */
  font-weight: 600;
  color: var(--color-foreground);
  margin-bottom: 0.5rem;
}

.billboard-minimal .empty-state p {
  color: var(--color-muted-foreground);
}

/* ===================================
   PROFESSIONAL LIGHTBOX COMPONENTS
   =================================== */

/* Base Lightbox Overlay */
.billboard-minimal .fixed.inset-0.z-\[9999\] {
  z-index: 9999;
}

/* Lightbox Backdrop */
.billboard-minimal .bg-black\/60.backdrop-blur-sm {
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

/* Lightbox Container */
.billboard-minimal .max-w-5xl {
  max-width: 64rem; /* 1024px */
}

.billboard-minimal .max-w-6xl {
  max-width: 72rem; /* 1152px */
}

/* Lightbox Header */
.billboard-minimal .border-b.border-gray-100 {
  border-bottom: 1px solid var(--color-border);
}

/* Lightbox Close Button */
.billboard-minimal button.p-2.text-gray-400:hover\:text-gray-600:hover\:bg-gray-100 {
  transition: all var(--transition-fast);
}

.billboard-minimal button.p-2.text-gray-400:hover\:text-gray-600:hover\:bg-gray-100:hover {
  color: var(--color-foreground);
  background-color: #f9fafb;
}

/* Video Player Styles */
.billboard-minimal iframe[src*="youtube"],
.billboard-minimal iframe[src*="vimeo"] {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: var(--radius-md);
}

.billboard-minimal .aspect-video {
  aspect-ratio: 16 / 9;
}

/* PDF Viewer Styles */
.billboard-minimal iframe[src*=".pdf"] {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: var(--radius-md);
  background: #ffffff;
}

/* Video Duration Badge */
.billboard-minimal .absolute.bottom-4.right-4.bg-black\/70 {
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  font-size: 0.75rem; /* 12px */
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

/* Lightbox Footer */
.billboard-minimal .bg-gray-50.border-t.border-gray-100 {
  background-color: #f9fafb;
  border-top: 1px solid var(--color-border);
}

/* Lightbox Action Buttons */
.billboard-minimal .px-4.py-2.text-sm.font-medium.text-gray-700.bg-white.border.border-gray-300.rounded-lg {
  transition: all var(--transition-fast);
}

.billboard-minimal .px-4.py-2.text-sm.font-medium.text-gray-700.bg-white.border.border-gray-300.rounded-lg:hover {
  background-color: #f9fafb;
  border-color: #d1d5db;
}

.billboard-minimal .px-4.py-2.text-sm.font-medium.text-white.bg-primary-600.rounded-lg {
  background-color: var(--color-primary);
  transition: all var(--transition-fast);
}

.billboard-minimal .px-4.py-2.text-sm.font-medium.text-white.bg-primary-600.rounded-lg:hover {
  background-color: #dc2626; /* --color-primary-600 */
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Loading Overlay */
.billboard-minimal .bg-white\/80.backdrop-blur-sm {
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.billboard-minimal .w-12.h-12.border-4.border-primary-200.border-t-primary-600.rounded-full.animate-spin {
  border-color: rgba(239, 68, 68, 0.2);
  border-top-color: var(--color-primary);
}

/* Service Detail Lightbox Specific */
.billboard-minimal .service-detail-image {
  width: 100%;
  height: 16rem; /* 256px */
  object-fit: cover;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.billboard-minimal .service-detail-content {
  padding: 1.5rem;
}

.billboard-minimal .service-detail-title {
  font-size: 1.25rem; /* 20px */
  font-weight: 600;
  color: var(--color-foreground);
  margin-bottom: 0.5rem;
}

.billboard-minimal .service-detail-description {
  color: var(--color-muted-foreground);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.billboard-minimal .service-detail-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.billboard-minimal .service-detail-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem; /* 14px */
  color: var(--color-muted-foreground);
}

.billboard-minimal .service-detail-price {
  font-size: 1.5rem; /* 24px */
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

/* Responsive Lightbox */
@media (max-width: 768px) {
  .billboard-minimal .max-w-5xl,
  .billboard-minimal .max-w-6xl {
    max-width: 95vw;
    max-height: 90vh;
    margin: 1rem;
  }
  
  .billboard-minimal .aspect-video {
    aspect-ratio: 16 / 9;
    min-height: 200px;
  }
  
  .billboard-minimal .service-detail-image {
    height: 12rem; /* 192px */
  }
  
  .billboard-minimal .service-detail-content {
    padding: 1rem;
  }
  
  .billboard-minimal .service-detail-meta {
    flex-direction: column;
    gap: 0.5rem;
  }
}

/* Lightbox Transitions */
.billboard-minimal [x-transition\:enter="transition ease-out duration-300"] {
  transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

.billboard-minimal [x-transition\:enter-start="opacity-0"] {
  opacity: 0;
}

.billboard-minimal [x-transition\:enter-end="opacity-100"] {
  opacity: 1;
}

.billboard-minimal [x-transition\:enter-start="scale-95"] {
  transform: scale(0.95);
}

.billboard-minimal [x-transition\:enter-end="scale-100"] {
  transform: scale(1);
}

.billboard-minimal [x-transition\:leave="transition ease-in duration-200"] {
  transition: opacity 0.2s ease-in, transform 0.2s ease-in;
}

.billboard-minimal [x-transition\:leave-start="opacity-100"] {
  opacity: 1;
}

.billboard-minimal [x-transition\:leave-end="opacity-0"] {
  opacity: 0;
}

.billboard-minimal [x-transition\:leave-start="scale-100"] {
  transform: scale(1);
}

.billboard-minimal [x-transition\:leave-end="scale-95"] {
  transform: scale(0.95);
}

/* Focus States for Accessibility */
.billboard-minimal button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.billboard-minimal .focus\:ring-2:focus {
  box-shadow: 0 0 0 2px var(--color-primary);
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  .billboard-minimal .bg-black\/60.backdrop-blur-sm {
    background-color: rgba(0, 0, 0, 0.8);
  }
  
  .billboard-minimal .border-b.border-gray-100 {
    border-bottom-color: var(--color-foreground);
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .billboard-minimal [x-transition] {
    transition: none !important;
  }
  
  .billboard-minimal .animate-spin {
    animation: none;
  }
}