/**
 * ========================================================================
 * NEXUS AI - ESTILOS DEL GENERADOR Y GALERÍA DE IMÁGENES
 * ========================================================================
 */

/* Formulario de Generación */
.generator-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 24px;
    padding: 24px;
    max-width: 1280px;
    margin: 0 auto;
}

@media (max-width: 1024px) {
    .generator-layout {
        grid-template-columns: 1fr;
    }
}

.options-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 20px;
}

/* Selector de Relación de Aspecto */
.aspect-selector-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(75px, 1fr));
    gap: 10px;
    margin-top: 8px;
}

.aspect-option {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    background: var(--bg-darker);
    transition: all var(--transition-fast);
}
.aspect-option:hover {
    border-color: var(--text-secondary);
}
.aspect-option.active {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
    box-shadow: 0 0 10px var(--accent-glow);
}

.aspect-box {
    border: 2px solid var(--text-secondary);
    border-radius: 3px;
}
.aspect-option.active .aspect-box {
    border-color: var(--accent-primary);
}
.aspect-auto { width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; color: var(--accent-primary); border-style: dashed; }
.aspect-square { width: 24px; height: 24px; }
.aspect-wide { width: 32px; height: 20px; }
.aspect-tall { width: 20px; height: 32px; }

/* Selector de Calidad */
.quality-selector-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 8px;
}
.quality-option {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 12px 10px;
    text-align: center;
    cursor: pointer;
    background: var(--bg-darker);
    transition: all var(--transition-fast);
}
.quality-option:hover {
    border-color: var(--text-secondary);
}
.quality-option.active {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
    box-shadow: 0 0 10px var(--accent-glow);
}
.quality-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
}
.quality-cost {
    font-size: 12px;
    color: #818cf8;
    margin-top: 4px;
}

/* Banner de Costo de Generación */
.generation-cost-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-accent);
    padding: 14px 18px;
    border-radius: var(--radius-md);
    margin-top: 20px;
}
.cost-total-label {
    font-size: 14px;
    color: var(--text-secondary);
}
.cost-total-value {
    font-size: 18px;
    font-weight: 700;
    color: #818cf8;
}

/* Grid de Galería de Imágenes */
.gallery-container {
    padding: 24px;
    max-width: 1380px;
    margin: 0 auto;
}
.gallery-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

.gallery-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    display: flex;
    flex-direction: column;
}
.gallery-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-accent);
}

.gallery-thumb-wrapper {
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    position: relative;
    background: var(--bg-darker);
    cursor: pointer;
}
.gallery-card.aspect-3-2 .gallery-thumb-wrapper { aspect-ratio: 3 / 2; }
.gallery-card.aspect-2-3 .gallery-thumb-wrapper { aspect-ratio: 2 / 3; }

.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 300ms ease;
}
.gallery-card:hover .gallery-img {
    transform: scale(1.04);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 60%);
    opacity: 0;
    display: flex;
    align-items: flex-end;
    padding: 16px;
    gap: 8px;
    transition: opacity var(--transition-fast);
}
.gallery-card:hover .gallery-overlay {
    opacity: 1;
}

.gallery-info {
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}
.gallery-prompt {
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.gallery-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-muted);
}

/* Lightbox Modal */
.lightbox-modal {
    max-width: 900px;
    width: 95%;
}
.lightbox-content {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 20px;
}
@media (max-width: 768px) {
    .lightbox-content {
        grid-template-columns: 1fr;
    }
}
.lightbox-preview-wrap {
    background: var(--bg-darkest);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    max-height: 520px;
}
.lightbox-img {
    max-width: 100%;
    max-height: 520px;
    object-fit: contain;
}