/* =========================================
   BIBLIOTHÈQUE DE BRIQUES PROFESSIONNELLE
   Styles pour l'interface de sélection des briques
   ========================================= */

/* === ANIMATIONS === */
@keyframes pulse-glow {
    0% { box-shadow: var(--shadow-subtle), 0 0 5px rgba(33, 150, 243, 0.1); }
    50% { box-shadow: var(--shadow-subtle), 0 0 15px rgba(33, 150, 243, 0.2); }
    100% { box-shadow: var(--shadow-subtle), 0 0 5px rgba(33, 150, 243, 0.1); }
}

@keyframes shimmer-sweep {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

/* === CONTENEUR PRINCIPAL === */
#subtab-briques.subtab-content {
    background: var(--secondary-bg);
    padding: var(--spacing-xxl);
    border-radius: var(--radius-lg);
    min-height: 100%;
}

/* === SECTION BIBLIOTHÈQUE === */
.library-section {
    background: var(--surface-bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xxl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-subtle);
    position: relative;
    overflow: hidden;
}

.library-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-medium), transparent);
}

/* === TITRE DE SECTION === */
.library-section h5 {
    color: var(--text-primary);
    font-size: var(--font-xl);
    font-weight: 600;
    margin: 0 0 var(--spacing-xxl) 0;
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--divider);
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    position: relative;
}

.library-section h5::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--accent-color);
    border-radius: 1px;
}

.library-section h5 i {
    color: var(--accent-color);
    font-size: var(--font-lg);
    opacity: 0.9;
}

/* === GRILLE DE BIBLIOTHÈQUE === */
.library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    padding: 0;
}

/* === CARTE DE BRIQUE === */
.library-item {
    background: var(--elevated-bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-minimal);
    display: flex;
    flex-direction: column;
}

.library-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-hover));
    opacity: 0;
    transition: all var(--transition-normal);
}

.library-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(212, 216, 220, 0.02) 50%, transparent 100%);
    opacity: 0;
    transition: all var(--transition-normal);
}

.library-item:hover {
    border-color: var(--border-medium);
    box-shadow: var(--shadow-medium);
    transform: translateY(-3px) scale(1.01);
}

.library-item:hover::before {
    opacity: 1;
}

.library-item:hover::after {
    opacity: 1;
}

.library-item:active {
    transform: translateY(-1px) scale(1.005);
}

/* === SURBRILLANCE POUR ÉLÉMENT SÉLECTIONNÉ === */
.library-item.active {
    background: var(--accent-color);
    border-color: var(--accent-bright);
    box-shadow: 0 0 15px rgba(52, 152, 219, 0.4);
    transform: translateY(-2px);
}

.library-item.active::after {
    opacity: 1;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(52, 152, 219, 0.2));
}

/* === APERÇU 3D === */
.item-preview {
    background: var(--primary-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    position: relative;
    aspect-ratio: 360/280;
    display: flex;
    align-items: center;
    justify-content: center;
}

.item-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 30%, rgba(0, 0, 0, 0.1) 70%);
    pointer-events: none;
}

.item-preview canvas {
    width: 100%;
    height: 100%;
    display: block;
    background: transparent;
    border-radius: var(--radius-md);
}

/* === INFORMATIONS DE LA BRIQUE === */
.item-info {
    margin-bottom: var(--spacing-lg);
    text-align: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--divider);
}

.item-name {
    color: var(--text-primary);
    font-size: var(--font-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    position: relative;
}

.item-name::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--accent-subtle);
    border-radius: 1px;
}

.item-dimensions {
    color: var(--text-tertiary);
    font-size: var(--font-md);
    font-weight: 500;
    font-family: 'Monaco', 'Consolas', monospace;
    background: var(--surface-bg);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    display: inline-block;
    border: 1px solid var(--border-color);
}

/* === BOUTONS DE COUPE === */
.cut-buttons {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    justify-content: center;
    padding: var(--spacing-md) 0;
    margin-top: auto;
}

.cut-btn-mini {
    background: var(--surface-bg);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: var(--font-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 40px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0.02em;
    box-shadow: var(--shadow-minimal);
    position: relative;
    overflow: hidden;
}

.cut-btn-mini::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%) rotate(45deg);
    transition: transform 0.6s ease;
    z-index: 1;
}

.cut-btn-mini::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
    z-index: 0;
}

.cut-btn-mini:hover::before {
    transform: translateX(100%) rotate(45deg);
}

.cut-btn-mini:hover::after {
    opacity: 1;
    transform: scale(1.2);
}

.cut-btn-mini:hover {
    background: var(--elevated-bg);
    color: var(--text-primary);
    border-color: var(--border-medium);
    box-shadow: var(--shadow-subtle), 0 0 20px rgba(33, 150, 243, 0.15);
    transform: translateY(-2px) scale(1.05);
}

.cut-btn-mini:active {
    transform: translateY(0);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* === BOUTON ACTIF === */
.cut-btn-mini.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--text-inverse);
    font-weight: 700;
    box-shadow: var(--shadow-light);
    position: relative;
    animation: pulse-glow 2s ease-in-out infinite;
}

.cut-btn-mini.active::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%, rgba(0, 0, 0, 0.1) 100%);
    border-radius: var(--radius-sm);
    z-index: 2;
}

.cut-btn-mini.active:hover {
    background: var(--accent-hover);
    box-shadow: var(--shadow-medium), 0 0 25px rgba(33, 150, 243, 0.4);
    transform: translateY(-2px) scale(1.08);
}

/* === ÉTATS SPÉCIAUX === */
.library-item[data-type="M65"] {
    border-color: var(--accent-border);
    box-shadow: var(--shadow-light);
}

.library-item[data-type="M65"]::before {
    opacity: 0.3;
}

/* === ANIMATIONS === */
@keyframes itemAppear {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.library-item {
    animation: itemAppear 0.3s ease-out backwards;
}

.library-item:nth-child(1) { animation-delay: 0.05s; }
.library-item:nth-child(2) { animation-delay: 0.1s; }
.library-item:nth-child(3) { animation-delay: 0.15s; }
.library-item:nth-child(4) { animation-delay: 0.2s; }
.library-item:nth-child(5) { animation-delay: 0.25s; }
.library-item:nth-child(6) { animation-delay: 0.3s; }

/* === RESPONSIVE === */
@media (max-width: 1200px) {
    .library-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .library-section {
        padding: var(--spacing-lg);
    }
    
    .library-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .library-item {
        padding: var(--spacing-lg);
    }
    
    .cut-buttons {
        gap: var(--spacing-xs);
    }
    
    .cut-btn-mini {
        min-width: 36px;
        height: 32px;
        font-size: var(--font-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .item-name {
        font-size: var(--font-lg);
    }
    
    .item-dimensions {
        font-size: var(--font-sm);
    }
}

/* === ACCESSIBILITÉ === */
.cut-btn-mini:focus {
    outline: none;
    box-shadow: var(--shadow-focus-strong);
    border-color: var(--border-focus);
}

.library-item:focus {
    outline: none;
    box-shadow: var(--shadow-focus-strong);
    border-color: var(--border-focus);
}

/* === TOOLTIPS POUR LES DIMENSIONS === */
.item-dimensions:hover::after {
    content: 'Longueur × Hauteur × Largeur';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--quaternary-bg);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-xs);
    white-space: nowrap;
    margin-bottom: var(--spacing-xs);
    box-shadow: var(--shadow-medium);
    z-index: 1000;
}

/* Styles pour les placeholders des nouveaux onglets */
.library-placeholder {
    background: var(--secondary-bg);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
}

.library-placeholder:hover {
    border-color: var(--primary-color);
    background: var(--primary-bg);
    color: var(--primary-color);
}

.placeholder-icon {
    font-size: 2.5rem;
    opacity: 0.6;
}

.placeholder-text {
    font-size: var(--font-sm);
    font-weight: 500;
    opacity: 0.8;
}

.library-placeholder:hover .placeholder-icon,
.library-placeholder:hover .placeholder-text {
    opacity: 1;
}

/* Styles pour les éléments GLB dans la bibliothèque */
.library-item-glb {
    border-left: 4px solid var(--accent-color);
}

.glb-preview-placeholder {
    background: linear-gradient(135deg, var(--secondary-bg), var(--tertiary-bg));
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    height: 100px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
}

.glb-icon {
    font-size: 2rem;
    opacity: 0.7;
}

.glb-format {
    font-size: var(--font-xs);
    font-weight: 600;
    background: var(--accent-color);
    color: white;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.item-type {
    font-size: var(--font-xs);
    color: var(--accent-color);
    font-weight: 500;
    margin-top: var(--spacing-xs);
}

.glb-actions {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    position: relative;
    z-index: 5;
}

.btn-import-glb,
.btn-preview-glb {
    flex: 1;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-xs);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    position: relative;
    z-index: 10; /* S'assurer que le bouton est au-dessus */
    pointer-events: auto; /* Forcer la détection des clics */
}

.btn-preview-glb {
    background: var(--secondary-color);
}

.btn-import-glb:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-preview-glb:hover {
    background: var(--secondary-dark);
    transform: translateY(-1px);
}