/* Ulimi Custom CSS - Optimized for Performance */
:root {
  --primary-teal: #14B8A6;
  --secondary-teal: #06B6D4;
  --light-teal: #F0FDFA;
  --dark-teal: #0D9488;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Critical Base Styles */
.sentence-card, .translation-item {
    position: relative;
}

.navbar-logo, .footer-logo {
    height: auto;
    max-width: 100%;
}

/* RTL Support */
[dir="rtl"] {
    text-align: right;
}

.translation-item small[dir="rtl"] {
    text-align: right;
    margin-left: 0 !important;
    margin-right: 0.25rem !important;
}

/* Card Actions */
.card-actions {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    display: flex;
    gap: 0.25rem;
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
}

.translation-actions {
    display: flex;
    gap: 0.25rem;
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
}

.sentence-card:hover .card-actions,
.translation-item:hover .translation-actions {
    opacity: 1;
}

/* Button Styles */
.btn-icon {
    background-color: transparent;
    border: none;
    color: var(--gray-500);
    padding: 0.25rem 0.5rem;
}

.btn-icon:hover {
    background-color: var(--gray-200);
    color: var(--gray-800);
}

/* RTL Layout Adjustments */
.sentence-card[dir="rtl"] .d-flex.w-100 {
    flex-direction: row-reverse;
}

.sentence-card[dir="rtl"] .card-text {
    text-align: right;
}

.sentence-card[dir="rtl"] .card-actions {
    right: auto;
    left: 1rem;
}

.sentence-card[dir="rtl"] .vote-widget {
    margin-right: 0;
    margin-left: 1rem;
}

.translation-item[dir="rtl"] .d-flex.w-100 {
    flex-direction: row-reverse;
}

.translation-item[dir="rtl"] .vote-widget {
    margin-right: 0;
    margin-left: 1rem;
}

/* Logo Sizing */
.navbar-logo {
    height: 50px;
    width: 120px;
}

/* Highlight Animation */
.highlight {
    transition: all 0.5s ease-in-out;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.5) !important;
    border-radius: var(--bs-card-border-radius);
}

/* Typography */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--gray-700);
  line-height: 1.6;
  font-weight: 400;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--gray-800);
}

/* Navigation */
.navbar {
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.navbar-logo {
  transition: transform 0.3s ease;
}

.navbar-logo:hover {
  transform: scale(1.05);
}

.navbar-nav .nav-link {
  color: var(--gray-600);
  transition: all 0.3s ease;
  border-radius: var(--border-radius-sm);
  font-weight: 500;
}

.navbar-nav .nav-link:hover {
  color: var(--primary-teal);
  background-color: var(--light-teal);
}

.navbar-nav .nav-link.active {
  color: var(--primary-teal);
  background-color: var(--light-teal);
  font-weight: 600;
}

.user-dropdown {
  background: linear-gradient(45deg, var(--primary-teal), var(--secondary-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.dropdown-menu {
  border-radius: var(--border-radius);
  padding: 0.5rem 0;
  border: 0;
  box-shadow: var(--box-shadow-lg);
}

.dropdown-item {
  transition: all 0.2s ease;
  border-radius: var(--border-radius-sm);
  margin: 0 0.5rem;
}

.dropdown-item:hover {
  background-color: var(--light-teal);
  color: var(--primary-teal);
}

/* Animation pour le bouton de toggle des traductions */
.toggle-translations-btn[aria-expanded="true"] .bi-chevron-down {
    transform: rotate(180deg);
    transition: transform 0.3s ease;
}

.toggle-translations-btn .bi-chevron-down {
    transition: transform 0.3s ease;
}

/* Style pour les votes inactifs (non connectés) */
.vote-widget .text-muted {
    cursor: not-allowed;
}

/* Buttons */
.btn {
  border-radius: var(--border-radius-sm);
  font-weight: 500;
  transition: all 0.3s ease;
  border: 0;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-teal) 0%, var(--secondary-teal) 100%);
  box-shadow: 0 2px 4px rgba(20, 184, 166, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(20, 184, 166, 0.4);
}

.btn-outline-primary {
  border: 2px solid var(--primary-teal);
  color: var(--primary-teal);
}

.btn-outline-primary:hover {
  background: var(--primary-teal);
  border-color: var(--primary-teal);
}

.btn-success {
  background: var(--success);
}

.btn-outline-secondary {
  border: 1px solid var(--gray-300);
  color: var(--gray-600);
}

.btn-outline-secondary:hover {
  background: var(--gray-100);
  border-color: var(--gray-400);
}

.rounded-pill {
  border-radius: 50px !important;
}

/* Forms */
.form-control {
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius-sm);
  padding: 0.75rem 1rem;
  transition: all 0.3s ease;
  font-size: 0.95rem;
}

.form-control:focus {
  border-color: var(--primary-teal);
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
}

.form-label {
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

/* Cards */
.card {
  border-radius: var(--border-radius);
  border: 1px solid var(--gray-200);
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: var(--box-shadow-lg);
}

.card-body {
  padding: 1.5rem;
}

/* Alerts */
.alert {
  border-radius: var(--border-radius);
  border: 0;
  box-shadow: var(--box-shadow);
}

.alert-info {
  background-color: var(--light-teal);
  color: var(--dark-teal);
}

.alert-success {
  background-color: #F0FDF4;
  color: #166534;
}

.alert-danger {
  background-color: #FEF2F2;
  color: #991B1B;
}

.alert-warning {
  background-color: #FFFBEB;
  color: #92400E;
}

/* Footer */
.footer-logo {
  transition: transform 0.3s ease;
}

.footer-logo:hover {
  transform: scale(1.1);
}

footer {
  background: linear-gradient(135deg, var(--gray-50) 0%, #ffffff 100%);
}

footer .nav-link {
  transition: color 0.3s ease;
}

footer .nav-link:hover {
  color: var(--primary-teal) !important;
}

/* Loader Styles */
#sentence-list-container.loading {
    min-height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0.5;
    transition: opacity 0.2s;
}

.loader-spinner {
    width: 3rem;
    height: 3rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .navbar-logo {
    height: 40px;
    width: 100px;
  }
  
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  .navbar-nav .nav-link {
    padding: 0.75rem 1rem;
  }
  
  .card-actions, .translation-actions {
    opacity: 1; /* Always visible on mobile */
    position: static;
    margin-top: 0.5rem;
  }
}

@media (max-width: 576px) {
  .btn {
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
  }
  
  .card-body {
    padding: 1rem;
  }
  
  .navbar-logo {
    height: 35px;
    width: 90px;
  }
}

/* Utility Classes */
.text-teal {
  color: var(--primary-teal) !important;
}

.bg-light-teal {
  background-color: var(--light-teal) !important;
}

.border-teal {
  border-color: var(--primary-teal) !important;
}

.shadow-teal {
  box-shadow: 0 4px 12px rgba(20, 184, 166, 0.15) !important;
}

/* Performance Optimizations */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Tom Select Customization */
.ts-control {
  border-radius: var(--border-radius-sm) !important;
  border: 1px solid var(--gray-300) !important;
}

.ts-control.focus {
  border-color: var(--primary-teal) !important;
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1) !important;
}

.ts-dropdown {
  border-radius: var(--border-radius-sm) !important;
  box-shadow: var(--box-shadow-lg) !important;
}

/* Print Styles */
@media print {
  .navbar, footer, .card-actions, .translation-actions {
    display: none !important;
  }
}