/*  
   CSS Variables & Reset
     */
:root {
  /* Colors */
  --color-bg-primary: #0a0e1a;
  --color-bg-secondary: #111827;
  --color-bg-tertiary: #1f2937;
  --color-bg-card: #1a1f2e;
  --color-bg-hover: #252b3d;
  
  --color-text-primary: #f9fafb;
  --color-text-secondary: #9ca3af;
  --color-text-muted: #6b7280;
  
  --color-accent: #f59e0b;
  --color-accent-hover: #d97706;
  --color-accent-light: #fbbf24;
  
  --color-success: #10b981;
  --color-error: #ef4444;
  --color-warning: #f59e0b;
  --color-info: #3b82f6;
  
  --color-border: rgba(255, 255, 255, 0.1);
  --color-shadow: rgba(0, 0, 0, 0.5);
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Effects */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Layout */
  --container-max: 1200px;
  --header-height: 80px;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/*  
   Layout Components
     */
#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/*  
   Header
     */
.header {
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-lg) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.header-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .header-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

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

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  border-style: none;
}

/* Search */
.search-container {
  flex: 1;
  max-width: 600px;
}

.search-box {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-sm) var(--space-sm) var(--space-sm) var(--space-md);
  transition: all var(--transition-fast);
}

.search-box:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

.search-icon {
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

#searchInput {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--color-text-primary);
  font-size: 1rem;
  outline: none;
  padding: var(--space-sm) 0;
}

#searchInput::placeholder {
  color: var(--color-text-muted);
}

.search-hint {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
  margin-left: var(--space-md);
}

/*  
   Buttons
     */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  outline: none;
  position: relative;
  overflow: hidden;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

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

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

.btn-secondary:hover:not(:disabled) {
  background: var(--color-bg-hover);
  border-color: var(--color-text-secondary);
}

.btn-primary:disabled,
.btn-secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-loader {
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/*  
   Main Content
     */
.main {
  flex: 1;
  padding-top: var(--space-xl);
  padding-bottom: var(--space-2xl);
}

/* Status Bar */
.status-bar {
  margin-bottom: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.status-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

#statusText {
  color: var(--color-text-secondary);
}

.result-count {
  color: var(--color-accent);
  font-weight: 600;
}

/* Error Alert */
.error-alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.error-icon {
  width: 24px;
  height: 24px;
  color: var(--color-error);
  flex-shrink: 0;
}

.error-content {
  flex: 1;
}

.error-content strong {
  color: var(--color-error);
  font-size: 0.875rem;
  display: block;
  margin-bottom: var(--space-xs);
}

.error-content p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin: 0;
}

.error-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

.error-close:hover {
  color: var(--color-text-primary);
}

/*  
   Skeleton Loader
     */
.skeleton-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-lg);
}

.skeleton-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.skeleton-poster {
  aspect-ratio: 2/3;
  background: var(--color-bg-tertiary);
}

.skeleton-text {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.skeleton-line {
  height: 12px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
}

.skeleton-line.short {
  width: 60%;
}

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

/*  
   Results Grid
     */
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-lg);
}

.movie-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid var(--color-border);
  position: relative;
}

.movie-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px var(--color-shadow);
  border-color: var(--color-accent);
}

.movie-card:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.card-poster {
  position: relative;
  aspect-ratio: 2/3;
  background: var(--color-bg-tertiary);
  overflow: hidden;
}

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

.movie-card:hover .card-poster img {
  transform: scale(1.05);
}

.card-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-hover) 100%);
}

.card-placeholder svg {
  width: 48px;
  height: 48px;
  color: var(--color-text-muted);
  opacity: 0.5;
}

.card-badge {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  background: var(--color-accent);
  color: var(--color-bg-primary);
  font-size: 0.625rem;
  font-weight: 700;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-info {
  padding: var(--space-md);
}

.card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-meta {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.card-meta span {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

/*  
   Empty State
     */
.empty-state {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  max-width: 500px;
  margin: 0 auto;
}

.empty-illustration {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--space-xl);
  background: var(--color-bg-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
}

.empty-illustration svg {
  width: 60px;
  height: 60px;
  color: var(--color-accent);
}

.empty-state h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.empty-state p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

.quick-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
}

.tag {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-xl);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tag:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-accent);
  color: var(--color-text-primary);
}

/*  
   Pagination
     */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.pagination svg {
  width: 18px;
  height: 18px;
}

.page-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  min-width: 80px;
  justify-content: center;
}

.page-info .separator {
  color: var(--color-text-muted);
}

#currentPage {
  color: var(--color-accent);
  font-weight: 700;
}

/*  
   Modal
     */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal.open {
  opacity: 1;
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.modal-container {
  position: relative;
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  overflow: hidden;
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-normal);
}

.modal.open .modal-container {
  transform: scale(1) translateY(0);
}

.modal-content {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  position: relative;
}

.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  z-index: 10;
  background: rgba(0, 0, 0, 0.5);
  border: none;
  color: var(--color-text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  backdrop-filter: blur(4px);
}

.modal-close:hover {
  background: var(--color-error);
  transform: rotate(90deg);
}

.modal-close svg {
  width: 20px;
  height: 20px;
}

.modal-body {
  display: flex;
  flex-direction: column;
  max-height: 90vh;
  overflow-y: auto;
}

@media (min-width: 768px) {
  .modal-body {
    flex-direction: row;
  }
}

.modal-poster {
  flex-shrink: 0;
  background: var(--color-bg-tertiary);
}

@media (min-width: 768px) {
  .modal-poster {
    width: 300px;
  }
}

#modalPoster {
  width: 100%;
  aspect-ratio: 2/3;
  background-size: cover;
  background-position: center;
  position: relative;
}

.poster-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-hover) 100%);
}

.poster-loader {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-bg-hover);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.modal-info {
  flex: 1;
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.modal-header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-lg);
}

.modal-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.modal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.modal-meta span {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.modal-meta span::before {
  content: '•';
  margin-right: var(--space-xs);
  color: var(--color-text-muted);
}

.modal-meta span:first-child::before {
  display: none;
}

.modal-rating {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.rating-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: var(--color-accent);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.9375rem;
}

.rating-badge svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.modal-plot {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin: 0;
}

.modal-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.detail-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  font-weight: 600;
}

.detail-value {
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  font-weight: 500;
}

.modal-actions {
  margin-top: auto;
  padding-top: var(--space-lg);
}

.btn-imdb {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  background: #f5c518;
  color: #000;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
}

.btn-imdb:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(245, 197, 24, 0.3);
}

.btn-imdb svg {
  width: 20px;
  height: 20px;
}

/*  
   Toast Notifications
     */
.toast-container {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.toast {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  box-shadow: 0 8px 24px var(--color-shadow);
  animation: toastIn 0.3s ease;
  max-width: 400px;
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.toast-success .toast-icon { color: var(--color-success); }
.toast-error .toast-icon { color: var(--color-error); }
.toast-warning .toast-icon { color: var(--color-warning); }

.toast-message {
  font-size: 0.875rem;
  color: var(--color-text-primary);
}

/*  
   Footer
     */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) 0;
  text-align: center;
  margin-top: auto;
}

.footer p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--space-xs);
}

.footer-note {
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

/*  
   Utilities
     */
.hidden {
  display: none !important;
}

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

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

::-webkit-scrollbar-track {
  background: var(--color-bg-primary);
}

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

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/*  
   Responsive
     */
@media (max-width: 640px) {
  .results-grid,
  .skeleton-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
  
  .modal-container {
    max-height: 95vh;
  }
  
  .modal-info {
    padding: var(--space-lg);
  }
  
  .modal-title {
    font-size: 1.25rem;
  }
  
  .toast-container {
    left: var(--space-md);
    right: var(--space-md);
    bottom: var(--space-md);
  }
  
  .toast {
    max-width: 100%;
  }
}