/* Compras CSS - Sistema de Amazon Afiliados */
/* Inspirado en galeria.css para mantener consistencia visual */

:root {
    --beige-bg: #FAF8F4;
    --verde-principal: #2E7D32;
    --verde-hover: #1B5E20;
    --texto-gris: #2E2E2E;
    --gris-claro: #E0E0E0;
    --blanco: #FFFFFF;
    --sombra: 0 2px 8px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
    --error-color: #d32f2f;
    --success-color: #388e3c;
    --warning-color: #F57C00;
    --info-color: #1976D2;
    --product-primary: #2E7D32;
    --product-primary-hover: #1B5E20;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--beige-bg);
    color: var(--texto-gris);
    line-height: 1.6;
    padding-top: 70px;
}

/* Contenedor principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Hero Section */
.hero-section {
    background: white;
    border-radius: var(--border-radius);
    padding: 60px 40px;
    margin-bottom: 40px;
    box-shadow: var(--sombra);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: var(--verde-principal);
    opacity: 0.1;
    border-radius: 50%;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 200px;
    height: 200px;
    background: var(--verde-principal);
    opacity: 0.1;
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--texto-gris);
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 20px;
    color: #666;
    margin-bottom: 40px;
    font-weight: 300;
}

.stats-row {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--verde-principal);
    display: block;
    line-height: 1;
}

.stat-label {
    font-size: 16px;
    color: #666;
    margin-top: 5px;
}

/* Controles de administración */
.admin-controls {
    margin-bottom: 30px;
    display: flex;
    justify-content: flex-end;
}

.admin-btn {
    padding: 12px 24px;
    background: var(--verde-principal);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: var(--sombra);
}

.admin-btn:hover {
    background: var(--verde-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(46, 125, 50, 0.3);
}

.btn-icon {
    font-size: 18px;
}

/* Filtros */
.filters-section {
    background: white;
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: var(--sombra);
}

.filters-container {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.filter-label {
    font-weight: 500;
    color: var(--texto-gris);
}

.filter-chips {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    flex: 1;
}

.filter-chip {
    padding: 8px 20px;
    background: var(--beige-bg);
    border: 2px solid transparent;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-chip:hover {
    border-color: var(--verde-principal);
}

.filter-chip.active {
    background: var(--verde-principal);
    color: white;
    border-color: var(--verde-principal);
}

/* Galería de productos */
.products-section {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.product-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--sombra);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    position: relative;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.product-image-container {
    position: relative;
    height: 280px;
    overflow: hidden;
    background: #f5f5f5;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--product-primary);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(46, 125, 50, 0.3);
}

.product-admin-controls {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    gap: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .product-admin-controls {
    opacity: 1;
}

.product-admin-btn {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.btn-edit {
    background: var(--info-color);
    color: white;
}

.btn-edit:hover {
    background: #1565C0;
    transform: scale(1.1);
}

.btn-delete {
    background: var(--error-color);
    color: white;
}

.btn-delete:hover {
    background: #c62828;
    transform: scale(1.1);
}

.product-content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--texto-gris);
    margin-bottom: 12px;
    line-height: 1.3;
    min-height: 52px;
}

.product-description {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--gris-claro);
    gap: 15px;
}

.product-price {
    font-size: 24px;
    font-weight: 700;
    color: var(--product-primary);
}

.product-buy-btn {
    padding: 12px 24px;
    background: var(--product-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    justify-content: center;
}

.product-buy-btn:hover {
    background: var(--product-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 153, 0, 0.4);
}

.product-stats {
    display: flex;
    gap: 15px;
    font-size: 13px;
    color: #999;
    margin-top: 10px;
}

.product-stat {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Sección informativa */
.info-section {
    background: white;
    border-radius: var(--border-radius);
    padding: 50px 40px;
    margin-bottom: 40px;
    box-shadow: var(--sombra);
}

.info-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--texto-gris);
    text-align: center;
    margin-bottom: 40px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.info-card {
    text-align: center;
    padding: 15px 10px;
}

.info-icon {
    font-size: 36px;
    margin-bottom: 10px;
}

.info-card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--texto-gris);
    margin-bottom: 8px;
}

.info-card-text {
    font-size: 12px;
    color: #666;
    line-height: 1.5;
}

/* Nota de afiliados */
.affiliate-notice {
    background: linear-gradient(135deg, #f5f5f5, #e8e8e8);
    border-left: 4px solid var(--info-color);
    border-radius: var(--border-radius);
    padding: 20px 30px;
    margin-bottom: 40px;
    font-size: 14px;
    color: #555;
    line-height: 1.8;
}

.affiliate-notice strong {
    color: var(--texto-gris);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--sombra);
    margin-top: -110px;
    margin-bottom: 40px;
}

.empty-icon {
    font-size: 80px;
    margin-bottom: 20px;
    opacity: 0.3;
}

.empty-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--texto-gris);
    margin-bottom: 10px;
}

.empty-description {
    font-size: 16px;
    color: #666;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 100000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow-y: auto;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: var(--border-radius);
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 30px 20px;
    border-bottom: 1px solid var(--gris-claro);
}

.modal-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--texto-gris);
}

.close-modal {
    width: 40px;
    height: 40px;
    background: var(--beige-bg);
    border-radius: 50%;
    border: none;
    cursor: pointer;
    font-size: 24px;
    color: #666;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.close-modal:hover {
    background: var(--gris-claro);
    transform: scale(1.1);
}

.modal-body {
    padding: 30px;
}

/* Formulario */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--texto-gris);
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gris-claro);
    border-radius: 8px;
    font-size: 15px;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--verde-principal);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-hint {
    display: block;
    font-size: 12px;
    color: #999;
    margin-top: 5px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--gris-claro);
}

.btn-primary,
.btn-secondary {
    padding: 12px 30px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: var(--verde-principal);
    color: white;
}

.btn-primary:hover {
    background: var(--verde-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(46, 125, 50, 0.3);
}

.btn-secondary {
    background: var(--gris-claro);
    color: var(--texto-gris);
}

.btn-secondary:hover {
    background: #d0d0d0;
}

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

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding-top: 60px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-section {
        padding: 40px 20px;
    }

    .stats-row {
        gap: 30px;
    }

    .stat-number {
        font-size: 36px;
    }

    .products-section {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .product-image-container {
        height: 250px;
    }

    .info-section {
        padding: 30px 20px;
    }

    .info-title {
        font-size: 24px;
    }

    .info-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .info-card {
        padding: 12px 8px;
    }

    .info-icon {
        font-size: 32px;
    }

    .info-card-title {
        font-size: 14px;
    }

    .info-card-text {
        font-size: 11px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .admin-controls {
        justify-content: center;
    }

    .product-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .product-buy-btn {
        width: 100%;
    }

    .modal-content {
        max-width: 100%;
        margin: 10px;
    }

    .modal-header,
    .modal-body {
        padding: 20px;
    }
}

/* Loading state */
.loading {
    text-align: center;
    padding: 60px 20px;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--gris-claro);
    border-top-color: var(--verde-principal);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    font-size: 16px;
    color: #666;
}

/* ===========================
   PAGINACIÓN
=========================== */
.pagination-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin: 40px 0;
    padding: 20px;
}

.pagination-info {
    color: #666;
    font-size: 14px;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.pagination-btn {
    padding: 8px 16px;
    background: white;
    color: var(--product-primary);
    border: 2px solid var(--product-primary);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 40px;
}

.pagination-btn:hover {
    background: var(--product-primary);
    color: white;
    transform: translateY(-2px);
}

.pagination-btn.active {
    background: var(--product-primary);
    color: white;
}

.pagination-dots {
    color: #999;
    padding: 0 8px;
    font-weight: bold;
}

@media (max-width: 768px) {
    .pagination-btn {
        padding: 6px 12px;
        font-size: 12px;
        min-width: 32px;
    }
    
    .pagination-controls {
        gap: 4px;
    }
}

/* Móviles pequeños */
@media (max-width: 576px) {
    .info-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .info-card {
        padding: 15px;
    }
    
    .info-icon {
        font-size: 40px;
    }
    
    .info-card-title {
        font-size: 15px;
    }
    
    .info-card-text {
        font-size: 13px;
    }
}