/* ToyFlix Modern Fluidic UI */

/* Import modern fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS Variables - Enhanced Color Palette */
:root {
  /* Dark theme colors */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-surface: #475569;
  
  /* Glass morphism background */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  
  /* Text colors */
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-disabled: #64748b;
  
  /* Brand colors */
  --brand-primary: #6366f1;
  --brand-secondary: #8b5cf6;
  --brand-accent: #06b6d4;
  
  /* Semantic colors */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;
  
  /* Interactive states */
  --hover-overlay: rgba(255, 255, 255, 0.05);
  --active-overlay: rgba(255, 255, 255, 0.1);
  --focus-ring: 0 0 0 3px rgba(99, 102, 241, 0.5);
  
  /* Spacing scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* Typography scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  
  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* 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);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, var(--bg-primary) 0%, #1a202c 100%);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--bg-surface);
}

/* Layout Structure */
.app-container {
  display: flex;
  min-height: 100vh;
  position: relative;
}

.sidebar {
  width: 280px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--glass-border);
  padding: var(--space-lg);
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
  transition: transform var(--transition-normal);
}

.sidebar.collapsed {
  transform: translateX(-100%);
}

.main-content {
  flex: 1;
  margin-left: 280px;
  padding: var(--space-xl);
  transition: margin-left var(--transition-normal);
}

.main-content.expanded {
  margin-left: 0;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--glass-border);
}

.header-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Sidebar Navigation */
.sidebar-header {
  margin-bottom: var(--space-xl);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
}

.nav-section {
  margin-bottom: var(--space-xl);
}

.nav-section-title {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  padding: 0 var(--space-md);
}

.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--hover-overlay);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.nav-link:hover::before {
  opacity: 1;
}

.nav-link:hover {
  color: var(--text-primary);
  transform: translateX(4px);
}

.nav-link.active {
  color: var(--brand-primary);
  background: rgba(99, 102, 241, 0.1);
  border-left: 3px solid var(--brand-primary);
}

.nav-icon {
  width: 20px;
  height: 20px;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.nav-link:hover .nav-icon,
.nav-link.active .nav-icon {
  opacity: 1;
}

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

/* Cards */
.card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2xl);
  border-color: rgba(255, 255, 255, 0.2);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: between;
  margin-bottom: var(--space-lg);
}

.card-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.card-icon {
  width: 24px;
  height: 24px;
  opacity: 0.8;
}

.card-actions {
  display: flex;
  gap: var(--space-sm);
  margin-left: auto;
}

/* Stat Cards */
.stat-card {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brand-primary), var(--brand-secondary));
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.stat-value {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-change {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
  font-size: var(--text-sm);
  font-weight: 500;
}

.stat-change.positive {
  color: var(--success);
}

.stat-change.negative {
  color: var(--error);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--glass-border);
}

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

.btn-success {
  background: linear-gradient(135deg, var(--success), #059669);
  color: white;
}

.btn-warning {
  background: linear-gradient(135deg, var(--warning), #d97706);
  color: white;
}

.btn-error {
  background: linear-gradient(135deg, var(--error), #dc2626);
  color: white;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--glass-border);
}

.btn-ghost:hover {
  background: var(--hover-overlay);
  color: var(--text-primary);
}

.btn-sm {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-xs);
}

.btn-lg {
  padding: var(--space-lg) var(--space-xl);
  font-size: var(--text-lg);
}

/* Tables */
.table-container {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin: var(--space-lg) 0;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th {
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-lg);
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}

.table td {
  padding: var(--space-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: var(--text-sm);
}

.table tbody tr {
  transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
  background: var(--hover-overlay);
}

.table tbody tr.highlighted {
  background: rgba(99, 102, 241, 0.1);
  border-left: 3px solid var(--brand-primary);
}

/* Forms */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: var(--focus-ring);
}

.form-input::placeholder {
  color: var(--text-disabled);
}

/* Search */
.search-container {
  position: relative;
  margin-bottom: var(--space-lg);
}

.search-input {
  width: 100%;
  padding: var(--space-md) var(--space-md) var(--space-md) 3rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.search-icon {
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--text-muted);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background: rgba(99, 102, 241, 0.2);
  color: var(--brand-primary);
}

.badge-success {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning);
}

.badge-error {
  background: rgba(239, 68, 68, 0.2);
  color: var(--error);
}

.badge-info {
  background: rgba(59, 130, 246, 0.2);
  color: var(--info);
}

.badge-gray {
  background: rgba(148, 163, 184, 0.2);
  color: var(--text-muted);
}

/* Animations */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.animate-slide-up {
  animation: slideInUp var(--transition-normal) ease-out;
}

.animate-fade-in {
  animation: fadeIn var(--transition-normal) ease-out;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

/* Loading states */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--glass-border);
  border-radius: 50%;
  border-top-color: var(--brand-primary);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Responsive design */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .header-title {
    font-size: var(--text-2xl);
  }
}

@media (max-width: 768px) {
  .main-content {
    padding: var(--space-lg);
  }
  
  .card {
    padding: var(--space-lg);
  }
  
  .stats-grid {
    gap: var(--space-md);
  }
}

@media (max-width: 640px) {
  .main-content {
    padding: var(--space-md);
  }
  
  .header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }
  
  .header-actions {
    width: 100%;
    justify-content: flex-end;
  }
}

/* Utility classes */
.hidden { display: none; }
.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; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

/* Glassmorphism effects */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
}

.glass-strong {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(30px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}