/* Custom Design System for BANDUNG WITTAYA SCHOOL Photo Archive - Pink & Purple Theme */
@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500;600;700&family=Prompt:wght@300;400;500;600;700&family=Sarabun:wght@300;400;500&display=swap');

:root {
  --primary: #7e22ce;
  --primary-dark: #4c1d95;
  --primary-light: #a855f7;
  --pink-accent: #be185d;
  --pink-light: #ec4899;
  --pink-subtle: #fdf2f8;
  --accent-gold: #f59e0b;
  --bg-dark: #1e0933;
  --bg-card: #ffffff;
  --text-main: #0f172a;
  --text-muted: #334155;
  --border-light: #e9d5ff;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Prompt', 'Kanit', 'Sarabun', sans-serif;
  color: var(--text-main);
  background-color: #faf5ff;
  overflow-x: hidden;
}

/* Glassmorphism Navigation */
.glass-header {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(243, 232, 255, 0.9);
}

.glass-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(243, 232, 255, 0.9);
}

.dark-glass {
  background: rgba(30, 9, 51, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* Custom Scrollbar - Purple & Pink */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: #faf5ff;
}
::-webkit-scrollbar-thumb {
  background: #d8b4fe;
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: #c084fc;
}

/* Hero Section Gradient - Pink & Purple Royale */
.hero-gradient {
  background: linear-gradient(135deg, #2e0854 0%, #4c1d95 35%, #701a75 70%, #be185d 100%);
  position: relative;
  overflow: hidden;
}

.hero-gradient::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(244, 114, 182, 0.3) 0%, rgba(244, 114, 182, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-gradient::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.35) 0%, rgba(168, 85, 247, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* Card Hover Effects */
.activity-card {
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border-color: #f3e8ff;
}

.activity-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 30px -8px rgba(147, 51, 234, 0.2), 0 8px 16px -6px rgba(219, 39, 119, 0.1);
  border-color: #d8b4fe;
}

.activity-card .card-image {
  transition: transform 0.4s ease;
}

.activity-card:hover .card-image {
  transform: scale(1.05);
}

/* Photo Thumbnail Card */
.photo-card {
  transition: all 0.2s ease;
  position: relative;
  user-select: none;
}

.photo-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -5px rgba(147, 51, 234, 0.2);
}

.photo-card.selected {
  outline: 3px solid #db2777;
  outline-offset: -2px;
}

.photo-card.selected .select-indicator {
  background-color: #db2777;
  border-color: #db2777;
  color: white;
}

/* Cinematic Slideshow: Ken Burns Auto Zoom In/Out Effect */
@keyframes kenBurnsZoomIn {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(1.12);
  }
}

@keyframes kenBurnsZoomOut {
  0% {
    transform: scale(1.12);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes kenBurnsPanZoom {
  0% {
    transform: scale(1.02) translate(0, 0);
  }
  50% {
    transform: scale(1.1) translate(-1%, -1%);
  }
  100% {
    transform: scale(1.12) translate(1%, 0.5%);
  }
}

.ken-burns-in {
  animation: kenBurnsZoomIn var(--slide-speed, 5000ms) cubic-bezier(0.2, 0.8, 0.4, 1) forwards;
  will-change: transform;
}

.ken-burns-out {
  animation: kenBurnsZoomOut var(--slide-speed, 5000ms) cubic-bezier(0.2, 0.8, 0.4, 1) forwards;
  will-change: transform;
}

.ken-burns-pan {
  animation: kenBurnsPanZoom var(--slide-speed, 5000ms) ease-in-out forwards;
  will-change: transform;
}

.slide-paused {
  animation-play-state: paused !important;
}

/* Skeleton Loading Shimmer */
.skeleton {
  background: linear-gradient(90deg, #faf5ff 25%, #f3e8ff 50%, #faf5ff 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Slideshow Modal */
.slide-active {
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1); }
}

/* Pulse Badge */
.pulse-badge {
  position: relative;
}
.pulse-badge::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 9999px;
  box-shadow: 0 0 0 0 rgba(219, 39, 119, 0.7);
  animation: pulse-ring 2s infinite cubic-bezier(0.66, 0, 0, 1);
}

@keyframes pulse-ring {
  to {
    box-shadow: 0 0 0 8px rgba(219, 39, 119, 0);
  }
}

/* Print Tweaks */
@media print {
  .no-print {
    display: none !important;
  }
}