/**
 * Estilos para el Frontend
 * Menu-PIERSAN Plugin
 * Soporta dos vistas: Líneas y Productos
 */

/* Variables de colores */
:root {
    --piersan-rojo: #e30613;
    --piersan-gris-oscuro: #2c2c2c;
    --piersan-gris-claro: #f5f5f5;
    --piersan-gris-medio: #f4f5f5;
}

/* Contenedor principal */
.piersan-productos-wrapper {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* ========================================
   FILTROS - ESTILOS COMUNES
   ======================================== */

.piersan-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
    padding: 0;
    background: transparent;
}

.piersan-filter-item {
    flex: 1;
    min-width: 200px;
}

/* Wrapper para selectores con icono */
.piersan-select-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

/* Iconos dentro de los inputs/selects */
.piersan-icon-inside {
    position: absolute;
    left: 15px;
    width: 20px;
    height: 20px;
    object-fit: contain;
    z-index: 2;
    pointer-events: none;
}

/* Bandera específica */
.piersan-flag-icon {
    width: 24px;
    height: 18px;
}

/* Icono de línea */
.piersan-linea-icon {
    width: 24px;
    height: 24px;
}

/* Campo de búsqueda */
.piersan-search-input,
.piersan-input-with-icon {
    width: 100%;
    height: 48px;
    padding: 12px 15px 12px 55px !important;
    border: 1px solid transparent !important;
    border-radius: 4px;
    font-size: 14px;
    color: var(--piersan-gris-oscuro);
    background: var(--piersan-gris-medio);
    transition: border-color 0.3s ease;
}

.piersan-search-input:focus {
    outline: none;
    border-color: var(--piersan-rojo) !important;
    background: white;
}

.piersan-search-input::placeholder {
    color: #999;
}

/* Selectores */
.piersan-select,
.piersan-select-with-icon {
    width: 100%;
    height: 48px;
    padding: 12px 35px 12px 50px;
    border: 1px solid transparent !important;
    border-radius: 4px;
    font-size: 14px;
    color: var(--piersan-gris-oscuro);
    background: var(--piersan-gris-medio);
    cursor: pointer;
    transition: all 0.3s ease;
    appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg fill="%232c2c2c" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 20px;
}

.piersan-select:focus,
.piersan-select-with-icon:focus {
    outline: none;
    border-color: var(--piersan-rojo) !important;
    background-color: white;
}

.piersan-select option {
    padding: 10px;
    background: white;
}

/* ========================================
   VISTA LÍNEAS - FILTROS
   ======================================== */

.piersan-filters-lineas-view {
    justify-content: center;
    margin-bottom: 30px;
    gap: 15px;
}

.piersan-filters-lineas-view .piersan-filter-item {
    flex: 0 0 auto;
    min-width: 200px;
    max-width: 250px;
}

/* ========================================
   VISTA LÍNEAS - GRID DE TARJETAS
   ======================================== */

.piersan-lineas-grid {
    display: grid;
    gap: 15px;
    grid-template-columns: repeat(4, 1fr);
}

.piersan-lineas-grid[data-columns="3"] {
    grid-template-columns: repeat(3, 1fr);
}

.piersan-lineas-grid[data-columns="2"] {
    grid-template-columns: repeat(2, 1fr);
}

/* Tarjeta de Línea - Icono a la izquierda, nombre a la derecha */
.piersan-linea-card {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    padding: 10px 15px;
    background: transparent;
    cursor: pointer;
    transition: none;
    border: none;
}

.piersan-linea-card:hover {
    transform: none;
    box-shadow: none;
    border: none;
}

/* Icono de la línea */
.piersan-linea-icono {
    width: 20px;
    height: 20px;
    object-fit: contain;
    flex-shrink: 0;
}

/* Nombre de la línea - Negro */
.piersan-linea-nombre {
    font-size: 12px;
    font-weight: 600;
    color: var(--piersan-gris-oscuro);
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* Ocultar líneas filtradas */
.piersan-linea-card.piersan-hidden {
    display: none;
}


/* ========================================
   LOADING
   ======================================== */

.piersan-loading {
    text-align: center;
    padding: 40px;
}

.piersan-spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto 20px;
    border: 4px solid var(--piersan-gris-claro);
    border-top: 4px solid var(--piersan-rojo);
    border-radius: 50%;
    animation: piersan-spin 1s linear infinite;
}

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

.piersan-loading p {
    color: var(--piersan-gris-oscuro);
    font-size: 16px;
}

/* ========================================
   VISTA PRODUCTOS - GRID
   ======================================== */

.piersan-productos-grid {
    display: grid;
    gap: 30px;
    grid-template-columns: repeat(4, 1fr);
}

.piersan-productos-grid[data-columns="4"] {
    grid-template-columns: repeat(4, 1fr);
}

.piersan-productos-grid[data-columns="3"] {
    grid-template-columns: repeat(3, 1fr);
}

.piersan-productos-grid[data-columns="2"] {
    grid-template-columns: repeat(2, 1fr);
}

/* ========================================
   TARJETA DE PRODUCTO
   ======================================== */

.piersan-producto-card {
    background: transparent;
    border-radius: 0;
    overflow: visible;
    transition: all 0.3s ease;
    box-shadow: none;
    display: flex;
    flex-direction: column;
}

.piersan-producto-card:hover {
    transform: translateY(-5px);
}

/* Imagen del producto */
.piersan-producto-imagen {
    position: relative;
    width: 100%;
    padding-top: 100%;
    overflow: hidden;
    background: white;
    border-radius: 8px;
}

.piersan-producto-imagen a {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.piersan-producto-thumb {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.piersan-producto-card:hover .piersan-producto-thumb {
    transform: scale(1.05);
}

/* Información del producto */
.piersan-producto-info {
    padding: 15px 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: transparent;
}

.piersan-producto-titulo {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    text-align: center;
}

.piersan-producto-titulo a {
    color: var(--piersan-gris-oscuro);
    text-decoration: none;
    transition: color 0.3s ease;
}

.piersan-producto-titulo a:hover {
    color: var(--piersan-rojo);
}

.piersan-producto-card:hover .piersan-producto-titulo a {
    color: var(--piersan-rojo);
}

/* Sin resultados */
.piersan-no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    background: var(--piersan-gris-claro);
    border-radius: 8px;
}

.piersan-no-results p {
    margin: 0;
    font-size: 18px;
    color: var(--piersan-gris-oscuro);
}

/* ========================================
   PAGINACIÓN
   ======================================== */

.piersan-pagination {
    margin-top: 40px;
}

.piersan-pagination-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.piersan-pagination-numbers {
    display: flex;
    align-items: center;
    gap: 8px;
}

.piersan-pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background: var(--piersan-gris-medio);
    border: 2px solid transparent;
    color: var(--piersan-gris-oscuro);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    border-radius: 4px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.piersan-pagination-btn:hover {
    background: var(--piersan-gris-claro);
    border-color: var(--piersan-rojo);
    color: var(--piersan-rojo);
    transform: translateY(-2px);
}

.piersan-pagination-active {
    background: var(--piersan-rojo);
    border-color: var(--piersan-rojo);
    color: white;
    cursor: default;
    pointer-events: none;
}

.piersan-pagination-prev,
.piersan-pagination-next {
    font-weight: 600;
    padding: 0 20px;
}

.piersan-pagination-prev:hover,
.piersan-pagination-next:hover {
    background: var(--piersan-rojo);
    color: white;
}

.piersan-pagination-dots {
    color: #666;
    font-weight: 600;
    padding: 0 8px;
}

/* ========================================
   RESPONSIVE
   ======================================== */

/* Tablets grandes */
@media screen and (max-width: 1024px) {
    .piersan-productos-grid,
    .piersan-lineas-grid {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 20px;
    }
}

/* Tablets */
@media screen and (max-width: 768px) {
    .piersan-filters {
        flex-direction: column;
    }
    
    .piersan-filter-item,
    .piersan-filters-lineas-view .piersan-filter-item {
        width: 100%;
        min-width: auto;
        max-width: none;
    }
    
    .piersan-productos-grid,
    .piersan-lineas-grid {
        grid-template-columns: 1fr !important;
        gap: 15px;
    }
    
    .piersan-producto-titulo {
        font-size: 14px;
    }
    
    .piersan-linea-card {
        padding: 10px 10px;
        min-height: 70px;
    }
    
    .piersan-linea-icono {
        width: 40px;
        height: 40px;
    }
    
    .piersan-linea-nombre {
        font-size: 13px;
    }
    
    .piersan-pagination-wrapper {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .piersan-pagination-btn {
        min-width: 36px;
        height: 36px;
        font-size: 13px;
    }
    
    .piersan-pagination-prev span,
    .piersan-pagination-next span {
        display: none;
    }
    
    .piersan-pagination-prev:before {
        content: '←';
    }
    
    .piersan-pagination-next:before {
        content: '→';
    }
}

/* Móviles */
@media screen and (max-width: 480px) {
    .piersan-productos-wrapper {
        padding: 10px;
    }
    
    .piersan-filters {
        padding: 0;
        gap: 10px;
    }
    
    .piersan-productos-grid {
        grid-template-columns: 1fr !important;
        gap: 15px;
    }
    
    .piersan-lineas-grid {
        grid-template-columns: 1fr !important;
        gap: 10px;
    }
    
    .piersan-producto-info {
        padding: 10px 0;
    }
    
    .piersan-linea-card {
        padding: 0px 10px;
        min-height: 60px;
    }
    
    .piersan-linea-icono {
        width: 25px;
        height: 25px;
        margin-bottom: 10px;
    }
    
    .piersan-linea-nombre {
        font-size: 13px;
    }
}

/* ========================================
   ANIMACIONES
   ======================================== */

@keyframes piersan-fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.piersan-producto-card,
.piersan-linea-card {
    animation: piersan-fadeIn 0.5s ease forwards;
}

/* Delay para animación escalonada */
.piersan-producto-card:nth-child(1),
.piersan-linea-card:nth-child(1) { animation-delay: 0.05s; }
.piersan-producto-card:nth-child(2),
.piersan-linea-card:nth-child(2) { animation-delay: 0.1s; }
.piersan-producto-card:nth-child(3),
.piersan-linea-card:nth-child(3) { animation-delay: 0.15s; }
.piersan-producto-card:nth-child(4),
.piersan-linea-card:nth-child(4) { animation-delay: 0.2s; }
.piersan-producto-card:nth-child(5),
.piersan-linea-card:nth-child(5) { animation-delay: 0.25s; }
.piersan-producto-card:nth-child(6),
.piersan-linea-card:nth-child(6) { animation-delay: 0.3s; }
.piersan-producto-card:nth-child(7),
.piersan-linea-card:nth-child(7) { animation-delay: 0.35s; }
.piersan-producto-card:nth-child(8),
.piersan-linea-card:nth-child(8) { animation-delay: 0.4s; }
.piersan-linea-card:nth-child(9) { animation-delay: 0.45s; }
.piersan-linea-card:nth-child(10) { animation-delay: 0.5s; }
.piersan-linea-card:nth-child(11) { animation-delay: 0.55s; }
.piersan-linea-card:nth-child(12) { animation-delay: 0.6s; }
.piersan-linea-card:nth-child(13) { animation-delay: 0.65s; }
.piersan-linea-card:nth-child(14) { animation-delay: 0.7s; }
.piersan-linea-card:nth-child(15) { animation-delay: 0.75s; }
.piersan-linea-card:nth-child(16) { animation-delay: 0.8s; }

/* ========================================
   ACCESIBILIDAD
   ======================================== */

.piersan-select:focus,
.piersan-search-input:focus {
    box-shadow: 0 0 0 3px rgba(227, 6, 19, 0.1);
}

/* Placeholder imagen */
.piersan-producto-thumb[src*="placeholder"] {
    opacity: 0.5;
}