/**
 * Bloc Avant/Après - Comparateur d'images
 * Styles pour le comparateur d'images avec curseur glissant
 */

.before-after {
    --before-after-border-radius: 8px;
    --before-after-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    --before-after-scroller-size: 50px;
    --before-after-scroller-border: 4px solid #fff;
    --before-after-scroller-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    --before-after-label-bg: rgba(0, 0, 0, 0.7);
    --before-after-label-color: #fff;
    --before-after-label-padding: 8px 16px;
    --before-after-label-border-radius: 20px;
    --before-after-line-color: #fff;
    --before-after-line-width: 2px;
    
    margin: 2rem 0;
}

.before-after__container  {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

.before-after__title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--color-heading, #333);
}

.before-after__subtitle {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--color-text, #666);
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.before-after__wrapper {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--before-after-border-radius);
    overflow: hidden;
    box-shadow: var(--before-after-shadow);
    background-color: #f8f9fa;
    /* Fallback si aspect-ratio non supporté */
    height: auto;
}

/* S'assurer que le wrapper garde la hauteur des images si pas d'aspect-ratio inline */
.before-after__wrapper::before {
    content: '';
    display: block;
    padding-top: 56.25%; /* 16/9 par défaut, sera écrasé par aspect-ratio inline */
}

.before-after__image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.before-after__image--before {
    z-index: 1;
}

.before-after__image--after {
    z-index: 2;
    width: 50%; /* Position initiale */
}

.before-after__content-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* Aligner le contenu sur la gauche pour éviter l'effet de glissement en réduisant la largeur */
    object-position: left center;
    display: block;
    user-select: none;
    -webkit-user-drag: none;
}

/* Renforcer l'ancrage à gauche sur la couche "après" */
.before-after__image--after .before-after__content-image {
    object-position: left center;
}

/* Optionnel: même ancrage sur la couche "avant" pour une symétrie parfaite */
.before-after__image--before .before-after__content-image {
    object-position: left center;
}

/* Performance hint pour le redimensionnement de la couche "après" */
.before-after__image--after {
    will-change: width;
}

.before-after__label {
    position: absolute;
    top: 12px;
    padding: var(--before-after-label-padding);
    background: var(--before-after-label-bg);
    color: var(--before-after-label-color);
    border-radius: var(--before-after-label-border-radius);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 10; /* au-dessus des images et de la ligne du scroller */
    pointer-events: none; /* ne pas gêner le drag du scroller */
}
.before-after__label--after,
.before-after__label--before {
    left: 12px;
    width: fit-content;
}

.before-after__scroller {
    position: absolute;
    top: 50%;
    left: calc(50% - 25px);
    width: var(--before-after-scroller-size);
    height: var(--before-after-scroller-size);
    transform: translateY(-50%);
    background: transparent;
    border: var(--before-after-scroller-border);
    border-radius: 50%;
    cursor: grab;
    z-index: 20;
    box-shadow: var(--before-after-scroller-shadow);
    transition: all 0.2s ease;
    user-select: none;
    touch-action: none;
}

.before-after__scroller:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.before-after__scroller--active {
    cursor: grabbing;
    transform: translateY(-50%) scale(1.1);
}

.before-after__scroller-thumb {
    width: 100%;
    height: 100%;
    padding: 8px;
    box-sizing: border-box;
}

.before-after__scroller-line {
    position: absolute;
    top: 100%;
    left: 50%;
    width: var(--before-after-line-width);
    height: 9999px;
    background: var(--before-after-line-color);
    transform: translateX(-50%);
    z-index: 15;
}

.before-after__scroller-line::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    width: var(--before-after-line-width);
    height: 9999px;
    background: var(--before-after-line-color);
    transform: translateX(-50%);
}

.before-after__instructions {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--color-text-muted, #888);
    font-size: 0.875rem;
    font-style: italic;
}

.before-after__error {
    padding: 2rem;
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: var(--before-after-border-radius);
    color: #721c24;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .before-after__title {
        font-size: 1.5rem;
    }
    
    .before-after__subtitle {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }
    
    .before-after__wrapper {
        max-width: 100%;
        border-radius: 6px;
    }
    
    .before-after__label {
        top: 10px;
        padding: 6px 12px;
        font-size: 0.75rem;
    }
    
    .before-after__label--before {
        left: 10px;
    }
    
    .before-after__label--after {
        right: 10px;
    }
    
    .before-after__scroller {
        width: 40px;
        height: 40px;
        border-width: 3px;
    }
    
    .before-after__scroller-thumb {
        padding: 6px;
    }
    
    .before-after__instructions {
        font-size: 0.8rem;
        margin-top: 1rem;
    }
}

@media (max-width: 480px) {
    .before-after__title {
        font-size: 1.25rem;
    }
    
    .before-after__subtitle {
        font-size: 0.85rem;
        margin-bottom: 1rem;
    }
    
    .before-after__label {
        top: 8px;
        padding: 4px 8px;
        font-size: 0.7rem;
    }
    
    .before-after__label--before {
        left: 8px;
    }
    
    .before-after__label--after {
        right: 8px;
    }
    
    .before-after__scroller {
        width: 36px;
        height: 36px;
        border-width: 2px;
    }
    
    .before-after__scroller-thumb {
        padding: 5px;
    }
}

/* États de focus pour l'accessibilité */
.before-after__scroller:focus {
    outline: 2px solid var(--color-primary, #007cba);
    outline-offset: 2px;
}

.before-after__scroller:focus:not(:focus-visible) {
    outline: none;
}

/* Animation d'entrée */
.before-after__wrapper {
    animation: before-after-fade-in 0.6s ease-out;
}

@keyframes before-after-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Support pour le mode sombre */
@media (prefers-color-scheme: dark) {
    .before-after {
        --before-after-label-bg: rgba(255, 255, 255, 0.9);
        --before-after-label-color: #333;
        --before-after-scroller-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    }
    
    .before-after__title {
        color: var(--color-heading-dark, #fff);
    }
    
    .before-after__subtitle {
        color: var(--color-text-dark, #ccc);
    }
    
    .before-after__instructions {
        color: var(--color-text-muted-dark, #aaa);
    }
}

/* Support pour les préférences de réduction de mouvement */
@media (prefers-reduced-motion: reduce) {
    .before-after__scroller {
        transition: none;
    }
    
    .before-after__wrapper {
        animation: none;
    }
    
    .before-after__scroller:hover {
        transform: translateY(-50%);
    }
}