/* PhotoBooth - Modern Gallery Styles */

@import './gallery.css';

/* === CSS Custom Properties === */
:root {
  /* Colors - Light Mode */
  --color-primary: #6366f1;
  --color-primary-dark: #4f46e5;
  --color-primary-light: #818cf8;
  
  --color-success: #10b981;
  --color-error: #ef4444;
  --color-warning: #f59e0b;
  
  --color-bg: #ffffff;
  --color-bg-secondary: #f9fafb;
  --color-bg-tertiary: #f3f4f6;
  
  --color-text: #111827;
  --color-text-secondary: #6b7280;
  --color-text-tertiary: #9ca3af;
  
  --color-border: #e5e7eb;
  --color-shadow: rgba(0, 0, 0, 0.1);
  
  /* Glass effect */
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(255, 255, 255, 0.18);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* iOS safe area */
  --safe-area-top: env(safe-area-inset-top);
  --safe-area-bottom: env(safe-area-inset-bottom);
  --safe-area-left: env(safe-area-inset-left);
  --safe-area-right: env(safe-area-inset-right);
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f172a;
    --color-bg-secondary: #1e293b;
    --color-bg-tertiary: #334155;
    
    --color-text: #f1f5f9;
    --color-text-secondary: #cbd5e1;
    --color-text-tertiary: #94a3b8;
    
    --color-border: #334155;
    --color-shadow: rgba(0, 0, 0, 0.5);
    
    --glass-bg: rgba(30, 41, 59, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);
  }
}

/* === Reset & Base Styles === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* === Layout === */
#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-top: calc(var(--safe-area-top) + 64px);
  padding-bottom: var(--safe-area-bottom);
}

.main-content {
  flex: 1;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

/* === Header === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  padding: var(--spacing-md) var(--spacing-lg);
  padding-top: calc(var(--safe-area-top) + var(--spacing-md));
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.logo-icon {
  font-size: 1.5rem;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

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

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

.btn-secondary {
  background: var(--color-bg-tertiary);
  color: var(--color-text);
}

.btn-secondary:hover {
  background: var(--color-border);
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
}

.icon-btn:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text);
  transform: translateY(-2px);
}

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

/* === Gallery Info Bar === */
.gallery-info {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  align-items: center;
  justify-content: space-between;
}

.info-stats {
  display: flex;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.stat {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.stat-icon {
  font-size: 1.25rem;
}

.stat-value {
  font-weight: 600;
  color: var(--color-text);
}

.info-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  align-items: center;
}

/* Search box */
.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-box svg {
  position: absolute;
  left: var(--spacing-md);
  color: var(--color-text-tertiary);
  pointer-events: none;
}

.search-box input {
  padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) 2.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.875rem;
  min-width: 200px;
  transition: all var(--transition-base);
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Sort select */
.sort-select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-base);
}

.sort-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* === State Containers === */
.state-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: var(--spacing-2xl);
}

.hidden {
  display: none !important;
}

/* Loading State */
.skeleton-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  width: 100%;
}

.skeleton-card {
  aspect-ratio: 3 / 4;
  background: linear-gradient(
    90deg,
    var(--color-bg-secondary) 25%,
    var(--color-bg-tertiary) 50%,
    var(--color-bg-secondary) 75%
  );
  background-size: 200% 100%;
  border-radius: var(--radius-lg);
  animation: shimmer 2s infinite;
}

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

/* Error State */
.error-content, .empty-content {
  text-align: center;
  max-width: 400px;
}

.error-icon, .empty-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.error-title, .empty-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.error-message, .empty-message {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.empty-message code {
  display: inline-block;
  background: var(--color-bg-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  margin-top: var(--spacing-sm);
}

/* === Responsive === */
@media (max-width: 768px) {
  .main-content {
    padding: var(--spacing-md);
  }
  
  .header {
    padding: var(--spacing-sm) var(--spacing-md);
    padding-top: calc(var(--safe-area-top) + var(--spacing-sm));
  }
  
  .logo-text {
    display: none;
  }
  
  .gallery-info {
    flex-direction: column;
    align-items: stretch;
  }
  
  .info-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .search-box {
    width: 100%;
  }
  
  .search-box input {
    width: 100%;
    min-width: 0;
  }
  
  .sort-select {
    width: 100%;
  }
}

/* === Toast Notifications === */
.toast-container {
  position: fixed;
  bottom: calc(var(--safe-area-bottom) + var(--spacing-lg));
  right: var(--spacing-lg);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0;
  transform: translateX(100%);
  transition: all var(--transition-base);
  pointer-events: auto;
  max-width: 320px;
}

.toast.show {
  opacity: 1;
  transform: translateX(0);
}

.toast-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  font-weight: 700;
}

.toast-success .toast-icon {
  background: var(--color-success);
  color: white;
}

.toast-error .toast-icon {
  background: var(--color-error);
  color: white;
}

.toast-info .toast-icon {
  background: var(--color-primary);
  color: white;
}

/* Mobile toast */
@media (max-width: 768px) {
  .toast-container {
    left: var(--spacing-md);
    right: var(--spacing-md);
    bottom: calc(var(--safe-area-bottom) + var(--spacing-md));
  }
  
  .toast {
    max-width: none;
  }
}