/* Charte graphique : Violet et Gris basée sur le logo */

:root {
    --purple-dark: #4B0082;
    --purple-main: #5D008D;
    --purple-light: #8A2BE2;
    --purple-accent: #9932CC;
    --gray-dark: #333333;
    --gray-medium: #666666;
    --gray-light: #CCCCCC;
    --white: #FFFFFF;
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    min-height: 100vh;
}

/* Header */
.header-custom {
    background: linear-gradient(135deg, var(--purple-dark) 0%, var(--purple-main) 100%);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 0;
}

.logo-header {
    max-height: 80px;
    width: auto;
}

.title-header {
    color: var(--white);
    font-size: 2.5rem;
    font-weight: bold;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle-header {
    color: var(--gray-light);
    font-size: 1.2rem;
    margin: 0;
}

/* Toolbar */
.toolbar-custom {
    background: var(--white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.badge.bg-purple {
    background-color: var(--purple-main) !important;
    font-size: 1rem;
    padding: 0.5rem 1rem;
}

/* Buttons */
.btn-purple {
    background-color: var(--purple-main);
    border-color: var(--purple-main);
    color: var(--white);
    transition: all 0.3s ease;
}

.btn-purple:hover {
    background-color: var(--purple-dark);
    border-color: var(--purple-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(93, 0, 141, 0.3);
}

.btn-outline-purple {
    border-color: var(--purple-main);
    color: var(--purple-main);
    transition: all 0.3s ease;
}

.btn-outline-purple:hover {
    background-color: var(--purple-main);
    border-color: var(--purple-main);
    color: var(--white);
}

.btn-purple:disabled {
    background-color: var(--gray-light);
    border-color: var(--gray-light);
    color: var(--gray-medium);
    cursor: not-allowed;
}

/* Gallery Grid */
#gallery-container {
    min-height: 400px;
}

.photo-card {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    background: var(--white);
    cursor: pointer;
    aspect-ratio: 1;
}

.photo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(93, 0, 141, 0.3);
}

.photo-card.selected {
    border: 4px solid var(--purple-main);
    box-shadow: 0 0 0 2px var(--white), 0 0 20px rgba(93, 0, 141, 0.5);
}

.photo-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

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

/* Image Loader */
.image-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    box-shadow: 0 2px 8px rgba(93, 0, 141, 0.3);
}

.image-loader .spinner-border {
    width: 2.5rem;
    height: 2.5rem;
    border-width: 0.25rem;
}

/* Image Placeholder (Skeleton) */
.image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        var(--gray-light) 0%,
        #e0e0e0 50%,
        var(--gray-light) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    z-index: 1;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.photo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(75, 0, 130, 0.7) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 15px;
}

.photo-card:hover .photo-overlay {
    opacity: 1;
}

.photo-actions {
    display: flex;
    gap: 10px;
    width: 100%;
    justify-content: center;
}

.photo-action-btn {
    background: var(--white);
    border: none;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--purple-main);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.photo-action-btn:hover {
    background: var(--purple-main);
    color: var(--white);
    transform: scale(1.1);
}

.photo-checkbox {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 30px;
    height: 30px;
    background: var(--white);
    border: 3px solid var(--purple-main);
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10;
}

.photo-card:hover .photo-checkbox,
.photo-card.selected .photo-checkbox {
    opacity: 1;
}

.photo-checkbox.checked {
    background: var(--purple-main);
    opacity: 1;
}

.photo-checkbox.checked::after {
    content: '✓';
    color: var(--white);
    font-size: 1.2rem;
    font-weight: bold;
}

/* Spinner */
.spinner-border.text-purple {
    color: var(--purple-main) !important;
}

/* Modal */
.modal-content.bg-dark {
    background-color: rgba(0, 0, 0, 0.95) !important;
}

#modal-image {
    max-height: 80vh;
    width: auto;
}

/* Footer */
.footer-custom {
    background: linear-gradient(135deg, var(--purple-dark) 0%, var(--purple-main) 100%);
    margin-top: auto;
}

/* Toolbar Buttons */
.toolbar-buttons .btn {
    white-space: nowrap;
}

/* Responsive */
@media (max-width: 768px) {
    .title-header {
        font-size: 1.8rem;
    }
    
    .subtitle-header {
        font-size: 1rem;
    }
    
    .logo-header {
        max-height: 60px;
    }
    
    .toolbar-custom {
        padding: 0.75rem 0;
    }
    
    .toolbar-custom .btn {
        font-size: 0.85rem;
        padding: 0.5rem 0.75rem;
    }
    
    .toolbar-buttons .row {
        margin: 0;
    }
    
    .toolbar-buttons .col-6,
    .toolbar-buttons .col-12 {
        padding: 0.25rem;
    }
    
    .selection-info {
        margin-bottom: 0.5rem;
    }
    
    .photo-action-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* Animation pour le chargement */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.photo-card {
    animation: fadeIn 0.5s ease;
}

/* Scrollbar personnalisée */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--gray-light);
}

::-webkit-scrollbar-thumb {
    background: var(--purple-main);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--purple-dark);
}