/**
 * YasTV Components CSS - UI Components & Interactive Elements
 * Netflix-inspired component library
 */

/* Button Component */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  outline: none;
  position: relative;
  overflow: hidden;
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button Variants */
.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

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

.btn-ghost:hover:not(:disabled) {
  background: var(--color-surface);
  color: var(--color-text-primary);
}

.btn-danger {
  background: var(--color-error);
  color: var(--color-text-primary);
}

.btn-danger:hover:not(:disabled) {
  background: #D16503;
}

/* Button Sizes */
.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.btn-icon {
  padding: var(--spacing-md);
  width: 44px;
  height: 44px;
}

.btn-block {
  width: 100%;
}

/* Play Button (Hero Style) */
.btn-play {
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-background);
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
}

.btn-play:hover {
  background: rgba(255, 255, 255, 1);
  transform: scale(1.05);
}

.btn-play .icon {
  font-size: var(--font-size-xl);
}

/* Input Component */
.input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  font-family: inherit;
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(229, 9, 20, 0.1);
}

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

.input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Input Group */
.input-group {
  margin-bottom: var(--spacing-lg);
}

.input-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.input-error {
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-error);
}

.input-group .input.error {
  border-color: var(--color-error);
}

/* Select Component */
.select {
  position: relative;
}

.select select {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-3xl) var(--spacing-md) var(--spacing-lg);
  font-family: inherit;
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-text-muted);
  border-radius: var(--radius-md);
  appearance: none;
  cursor: pointer;
}

.select::after {
  content: '▼';
  position: absolute;
  right: var(--spacing-lg);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
  font-size: var(--font-size-xs);
}

body.rtl .select::after {
  right: auto;
  left: var(--spacing-lg);
}

/* Card Component */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card-header {
  padding: var(--spacing-xl);
  border-bottom: 1px solid var(--color-surface-elevated);
}

.card-body {
  padding: var(--spacing-xl);
}

.card-footer {
  padding: var(--spacing-xl);
  border-top: 1px solid var(--color-surface-elevated);
}

/* Video Card */
.video-card {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-normal);
  aspect-ratio: 16/9;
}

.video-card:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-2xl);
  z-index: 10;
}

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

.video-card:hover .video-card-image {
  transform: scale(1.1);
}

.video-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--gradient-card);
  padding: var(--spacing-lg);
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}

.video-card:hover .video-card-overlay {
  transform: translateY(0);
}

.video-card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-tight);
}

.video-card-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.video-card-actions {
  display: flex;
  gap: var(--spacing-sm);
}

a.video-card.watchlist-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

/* Rating Badge */
.rating-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-primary);
  color: var(--color-text-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
}

/* Navbar Component */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 68px;
  background: rgba(20, 20, 20, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 50;
  transition: all var(--transition-fast);
}

.navbar.scrolled {
  background: var(--color-background);
  box-shadow: var(--shadow-lg);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-2xl);
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar-nav a {
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--color-text-primary);
}

.navbar-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-shrink: 0;
}

/* Keep Sign In / Sign Up from collapsing when brand + nav flex fight for width (fonts / RTL). */
.navbar-auth-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-shrink: 0;
  flex-wrap: nowrap;
}

/* Language Switcher */
.language-switcher {
  position: relative;
}

.language-switcher select {
  background: transparent;
  border: 1px solid var(--color-text-muted);
  color: var(--color-text-secondary);
  padding: var(--spacing-sm) var(--spacing-xl) var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  cursor: pointer;
  appearance: none;
}

.language-switcher::after {
  content: '▼';
  position: absolute;
  right: var(--spacing-sm);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
  font-size: 10px;
}

html[lang='fa'] .footer .language-switcher select {
  padding-left: var(--spacing-xl);
  padding-right: var(--spacing-md);
}

html[lang='fa'] .footer .language-switcher::after {
  left: var(--spacing-sm);
  right: auto;
}

/* User Avatar */
.user-avatar {
  position: relative;
}

.avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-primary);
  font-weight: var(--font-weight-bold);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.avatar:hover {
  transform: scale(1.1);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

/* Dropdown Menu */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 200px;
  background: var(--color-surface);
  border: 1px solid var(--color-surface-elevated);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}

.dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--color-text-secondary);
  text-decoration: none;
  border: none;
  background: none;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
}

.dropdown-item:hover {
  background: var(--color-surface-elevated);
  color: var(--color-text-primary);
}

.dropdown-divider {
  height: 1px;
  background: var(--color-surface-elevated);
  margin: var(--spacing-sm) 0;
}

/* Modal Component */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: var(--z-modal);
}

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

.modal-content {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal.active .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-2xl);
  border-bottom: 1px solid var(--color-surface-elevated);
}

.modal-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: var(--font-size-2xl);
  cursor: pointer;
  padding: var(--spacing-sm);
  line-height: 1;
  transition: color var(--transition-fast);
}

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

.modal-body {
  padding: var(--spacing-2xl);
}

.modal-footer {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
  padding: var(--spacing-2xl);
  border-top: 1px solid var(--color-surface-elevated);
}

/* Toast Notification */
.toast {
  position: fixed;
  top: var(--spacing-2xl);
  right: var(--spacing-2xl);
  min-width: 300px;
  background: var(--color-surface);
  border: 1px solid var(--color-surface-elevated);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-lg);
  transform: translateX(400px);
  transition: transform var(--transition-normal);
  z-index: var(--z-toast);
}

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

.toast-success {
  border-left: 4px solid var(--color-success);
}

.toast-error {
  border-left: 4px solid var(--color-error);
}

.toast-warning {
  border-left: 4px solid var(--color-warning);
}

.toast-info {
  border-left: 4px solid var(--color-info);
}

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-surface-elevated);
  border-top: 4px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

.spinner-lg {
  width: 60px;
  height: 60px;
  border-width: 6px;
}

/* Progress Bar */
.progress {
  width: 100%;
  height: 4px;
  background: var(--color-surface-elevated);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  transition: width var(--transition-normal);
  border-radius: inherit;
}

/* Skeleton Loading */
.skeleton {
  background: var(--color-surface-elevated);
  border-radius: var(--radius-md);
  animation: pulse 1.5s ease-in-out infinite;
}

.skeleton-text {
  height: 1em;
  margin-bottom: 0.5em;
}

.skeleton-text:last-child {
  width: 60%;
}

/* Responsive Navbar */
@media (max-width: 768px) {
  .navbar-nav {
    display: none;
  }
  
  .navbar-container {
    padding: 0 var(--spacing-lg);
  }
  
  .navbar-brand {
    font-size: var(--font-size-xl);
  }
}

/* Mobile Optimizations */
@media (max-width: 640px) {
  .modal-content {
    width: 95%;
    margin: var(--spacing-lg);
  }
  
  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--spacing-lg);
  }
  
  .btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
  }
  
  .video-card:hover {
    transform: none;
  }
  
  .video-card-overlay {
    transform: translateY(0);
    background: rgba(0, 0, 0, 0.7);
  }
}