/**
 * Estilos para el Grid Dinámico de Imágenes
 * Sistema responsivo con lazy loading y animaciones
 */

/* ===== CONTENEDOR PRINCIPAL ===== */
.dynamic-image-grid {
    padding: 2rem 1rem;
    max-width: 1400px;
    margin: 0 auto;
}

.grid-header {
    text-align: center;
    margin-bottom: 3rem;
}

.grid-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary, #ffffff);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--accent-red, #dc143c) 0%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.grid-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary, #cccccc);
    margin-bottom: 1rem;
}

.grid-stats {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(220, 20, 60, 0.1);
    border: 1px solid rgba(220, 20, 60, 0.3);
    border-radius: 25px;
    color: var(--accent-red, #dc143c);
    font-weight: 600;
}

/* ===== GRID DE IMÁGENES ===== */
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Responsive: 3 columnas en desktop */
@media (min-width: 1200px) {
    .image-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Responsive: 2 columnas en tablet */
@media (max-width: 1199px) and (min-width: 768px) {
    .image-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

/* Responsive: 1 columna en mobile */
@media (max-width: 767px) {
    .image-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .dynamic-image-grid {
        padding: 1rem 0.5rem;
    }
    
    .grid-title {
        font-size: 2rem;
    }
}

/* ===== TARJETA DE IMAGEN ===== */
.image-card {
    background: var(--bg-card, rgba(26, 26, 26, 0.95));
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.image-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(220, 20, 60, 0.2);
    border-color: rgba(220, 20, 60, 0.3);
}

.image-card.selected {
    transform: scale(1.02);
    border-color: var(--accent-red, #dc143c);
    box-shadow: 0 0 30px rgba(220, 20, 60, 0.4);
}

/* ===== CONTENEDOR DE IMAGEN ===== */
.card-image-container {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
    opacity: 0;
    transform: scale(1.1);
}

.card-image.loaded {
    opacity: 1;
    transform: scale(1);
}

.image-error {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #666;
    background: #1a1a1a;
}

.image-error i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* ===== OVERLAY ===== */
.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.7) 0%,
        rgba(220, 20, 60, 0.1) 50%,
        rgba(0, 0, 0, 0.8) 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

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

.overlay-content {
    text-align: center;
    color: white;
    padding: 1.5rem;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.image-card:hover .overlay-content {
    transform: translateY(0);
}

.category-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(220, 20, 60, 0.9);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.image-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: white;
}

.image-description {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
    line-height: 1.4;
}


/* ===== INFORMACIÓN DE LA TARJETA ===== */
.card-info {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary, #ffffff);
    margin-bottom: 0.5rem;
}

.card-category {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary, #cccccc);
    font-size: 0.9rem;
}

.card-category i {
    color: var(--accent-red, #dc143c);
}

/* ===== LOADING Y ESTADOS ===== */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    color: var(--text-secondary, #cccccc);
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(220, 20, 60, 0.3);
    border-top: 3px solid var(--accent-red, #dc143c);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.no-images,
.error-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    color: var(--text-secondary, #cccccc);
    text-align: center;
    background: rgba(26, 26, 26, 0.5);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.no-images i,
.error-container i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
    color: var(--accent-red, #dc143c);
}

.error-container {
    color: #ff6b6b;
}

.error-container i {
    color: #ff6b6b;
}

.no-images p,
.error-container p {
    font-size: 1.1rem;
    font-weight: 500;
    margin: 0;
}

/* ===== FOOTER DEL GRID ===== */
.grid-footer {
    text-align: center;
    margin-top: 3rem;
}

.grid-footer .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 25px;
    transition: all 0.3s ease;
}

/* ===== ANIMACIONES DE ENTRADA ===== */
.image-card {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
    transform: translateY(30px);
}

.image-card:nth-child(1) { animation-delay: 0.1s; }
.image-card:nth-child(2) { animation-delay: 0.2s; }
.image-card:nth-child(3) { animation-delay: 0.3s; }
.image-card:nth-child(4) { animation-delay: 0.4s; }
.image-card:nth-child(5) { animation-delay: 0.5s; }
.image-card:nth-child(6) { animation-delay: 0.6s; }
.image-card:nth-child(7) { animation-delay: 0.7s; }
.image-card:nth-child(8) { animation-delay: 0.8s; }
.image-card:nth-child(9) { animation-delay: 0.9s; }
.image-card:nth-child(10) { animation-delay: 1.0s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== EFECTOS ESPECIALES ===== */
.image-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(220, 20, 60, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 1;
}

.image-card:hover::before {
    opacity: 1;
}

/* ===== ACCESIBILIDAD ===== */
@media (prefers-reduced-motion: reduce) {
    .image-card,
    .card-image,
    .card-overlay,
    .overlay-content {
        transition: none;
        animation: none;
    }
    
    .image-card {
        opacity: 1;
        transform: none;
    }
}

/* ===== IMPRESIÓN ===== */
@media print {
    .card-overlay,
    .grid-footer {
        display: none;
    }
    
    .image-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}