/* ========================================
   SISTEMA DE CARDS UNIFICADO
   Portal Emprendedor Chile
   ======================================== */

/* ========================================
   VARIABLES GLOBALES
   ======================================== */
:root {
    --card-border-radius: 12px;
    --card-border-radius-sm: 10px;
    --card-shadow-base: 0 4px 15px rgba(0, 0, 0, 0.1);
    --card-shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.15);
    --card-shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.06);
    --card-shadow-elevated: 0 8px 20px rgba(0, 0, 0, 0.12);
    --card-padding: 1rem;
    --card-transition: 0.3s ease;
    --card-hover-lift: -5px;
    --card-image-height: 220px;
}

/* ========================================
   CARD BASE
   ======================================== */
.card-unified {
    background: white;
    border: none;
    border-radius: var(--card-border-radius);
    box-shadow: var(--card-shadow-base);
    overflow: hidden;
    transition: transform var(--card-transition), box-shadow var(--card-transition);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.card-unified:hover {
    transform: translateY(var(--card-hover-lift));
    box-shadow: var(--card-shadow-hover);
}

/* ========================================
   VARIANTES DE SOMBRA
   ======================================== */
.card-unified--subtle {
    box-shadow: var(--card-shadow-subtle);
}

.card-unified--subtle:hover {
    box-shadow: var(--card-shadow-base);
}

.card-unified--elevated {
    box-shadow: var(--card-shadow-elevated);
}

.card-unified--elevated:hover {
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}

/* ========================================
   VARIANTE SIN HOVER
   ======================================== */
.card-unified--no-hover:hover {
    transform: none;
    box-shadow: var(--card-shadow-base);
}

/* ========================================
   IMAGEN
   ======================================== */
.card-unified__image-wrapper {
    width: 100%;
    height: var(--card-image-height);
    overflow: hidden;
    border-radius: var(--card-border-radius-sm);
    background: #f7f7f7;
    position: relative;
}

.card-unified__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

/* Efecto zoom en hover de imagen */
.card-unified__image-wrapper:hover .card-unified__image,
.card-unified:hover .card-unified__image {
    transform: scale(1.05);
}

/* Variante con aspect ratio */
.card-unified__image-wrapper--ratio {
    height: auto;
    aspect-ratio: 4 / 3;
}

/* ========================================
   BODY
   ======================================== */
.card-unified__body {
    padding: var(--card-padding);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Sin padding para casos especiales */
.card-unified__body--no-padding {
    padding: 0;
}

/* ========================================
   TÍTULO
   ======================================== */
.card-unified__title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-dark, #212529);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

/* Título con truncamiento de 2 líneas */
.card-unified__title--truncate {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Título como enlace */
.card-unified__title-link {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

.card-unified__title-link:hover {
    color: var(--color-primary, #ff5a5f);
    text-decoration: none;
}

/* ========================================
   METADATOS
   ======================================== */
.card-unified__meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 0.875rem;
    color: var(--color-text-muted, #6c757d);
    margin-bottom: 0.5rem;
}

.card-unified__meta-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.card-unified__meta-separator {
    color: #dee2e6;
}

/* ========================================
   DESCRIPCIÓN
   ======================================== */
.card-unified__description {
    font-size: 0.9rem;
    color: var(--color-text-muted, #6c757d);
    line-height: 1.5;
}

/* Descripción con truncamiento de 3 líneas */
.card-unified__description--truncate {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========================================
   PRECIO
   ======================================== */
.card-unified__price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary, #ff5a5f);
    margin: 0.5rem 0;
}

.card-unified__price--large {
    font-size: 1.5rem;
}

/* ========================================
   BADGES/ETIQUETAS
   ======================================== */
.card-unified__badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    z-index: 10;
}

.card-unified__badge--top-left {
    left: 0.75rem;
    right: auto;
}

/* ========================================
   FOOTER/ACTIONS
   ======================================== */
.card-unified__footer {
    padding: var(--card-padding);
    padding-top: 0;
    margin-top: auto;
}

.card-unified__actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.card-unified__actions--single {
    flex-direction: column;
}

/* ========================================
   BOTONES DENTRO DE CARDS
   ======================================== */
.card-unified .btn-card-primary {
    background-color: var(--color-primary, #ff5a5f);
    border-color: var(--color-primary, #ff5a5f);
    color: white;
    font-weight: 600;
    transition: all 0.2s ease;
}

.card-unified .btn-card-primary:hover {
    background-color: var(--color-secondary, #4bc0c0);
    border-color: var(--color-secondary, #4bc0c0);
    color: white;
}

.card-unified .btn-card-secondary {
    background-color: transparent;
    border: 2px solid var(--color-secondary, #4bc0c0);
    color: var(--color-secondary, #4bc0c0);
    font-weight: 600;
    transition: all 0.2s ease;
}

.card-unified .btn-card-secondary:hover {
    background-color: var(--color-secondary, #4bc0c0);
    color: white;
}

/* ========================================
   SKELETON LOADING
   ======================================== */
.card-unified--skeleton .card-unified__image-wrapper {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

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

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
    :root {
        --card-padding: 0.875rem;
        --card-image-height: 180px;
    }
    
    .card-unified__title {
        font-size: 1rem;
    }
    
    .card-unified__price {
        font-size: 1.1rem;
    }
    
    .card-unified:hover {
        transform: translateY(-3px);
    }
}

@media (max-width: 576px) {
    :root {
        --card-image-height: 160px;
    }
    
    .card-unified__meta {
        font-size: 0.8rem;
    }
    
    .card-unified__description {
        font-size: 0.85rem;
    }
}

/* ========================================
   DARK MODE
   ======================================== */
body.dark-mode .card-unified {
    background: #2d3748;
    color: #e2e8f0;
}

body.dark-mode .card-unified__title {
    color: #f7fafc;
}

body.dark-mode .card-unified__title-link {
    color: #f7fafc;
}

body.dark-mode .card-unified__title-link:hover {
    color: var(--color-primary, #ff5a5f);
}

body.dark-mode .card-unified__meta,
body.dark-mode .card-unified__description {
    color: #cbd5e0;
}

body.dark-mode .card-unified__image-wrapper {
    background: #1a202c;
}

body.dark-mode .card-unified:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

/* ========================================
   UTILIDADES
   ======================================== */
.card-unified--clickable {
    cursor: pointer;
}

.card-unified--disabled {
    opacity: 0.6;
    pointer-events: none;
}

/* Padding extra para contenido denso */
.card-unified--padded .card-unified__body {
    padding: 1.5rem;
}

/* Card compacta */
.card-unified--compact {
    --card-padding: 0.75rem;
    --card-image-height: 160px;
}

/* Card grande */
.card-unified--large {
    --card-padding: 1.5rem;
    --card-image-height: 280px;
}

/* ========================================
   INTEGRACIONES CON CARDS EXISTENTES
   ======================================== */

/* Para product-card que ya use card-unified */
.product-card.card-unified {
    padding: 0;
}

.product-card.card-unified .product-image {
    margin-bottom: 0;
    border-radius: 0;
}

/* Para producto-card que ya use card-unified */
.producto-card.card-unified {
    padding: var(--card-padding);
}

/* Para cards de Bootstrap que usen card-unified */
.card.card-unified .card-body {
    padding: var(--card-padding);
}

/* ========================================
   BOTONES DE ACCIÓN EN CARDS
   ======================================== */

/* Contenedor de botones con d-grid gap-2 */
.card-unified__body .d-grid {
    margin-top: auto;
}

/* Estilo mejorado para botones en cards */
.card-unified__body .btn {
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.6rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-transform: none;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

/* Botón primario (Ver detalle) */
.card-unified__body .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.card-unified__body .btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.4);
    transform: translateY(-2px);
}

.card-unified__body .btn-primary:disabled {
    background: #6c757d;
    opacity: 0.65;
    cursor: not-allowed;
}

/* Botón outline (Agregar a cotización) */
.card-unified__body .btn-outline-primary {
    border: 2px solid #667eea;
    color: #667eea;
    background: transparent;
}

.card-unified__body .btn-outline-primary:hover {
    background: #667eea;
    color: white;
    border-color: #667eea;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    transform: translateY(-2px);
}

/* Iconos en botones */
.card-unified__body .btn i {
    font-size: 0.95rem;
}

/* Animación de click */
.card-unified__body .btn:active:not(:disabled) {
    transform: translateY(0) scale(0.98);
}

/* Espaciado específico para gap-2 */
.card-unified__body .d-grid.gap-2 {
    gap: 0.5rem !important;
}

/* Responsive: botones más pequeños en móvil */
@media (max-width: 576px) {
    .card-unified__body .btn {
        font-size: 0.85rem;
        padding: 0.5rem 0.75rem;
    }
    
    .card-unified__body .btn span {
        font-size: 0.85rem;
    }
}