/* ============================================
   ESTILO MERCADO LIBRE - CON FILTROS Y GRID RESPONSIVO
   ============================================ */
:root {
    --bg-ml: #F5F5F5;
    --white: #FFFFFF;
    --text-main: #333333;
    --text-price: #333333;
    --text-stock: #00A650;
    --accent: #D69191;
    --border-color: #E0E0E0;
    --salmon-soft: #D69191;
}

/* Sección principal */
.disponibles-section {
    background-color: var(--bg-ml);
    padding: 20px 0;
    font-family: 'Segoe UI', Roboto, sans-serif;
}

/* Header */
.section-header {
    padding: 0 15px;
    margin-bottom: 20px;
}
.section-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-main);
    margin: 0;
}
.section-subtitle {
    font-size: 0.9rem;
    color: #666;
}

/* ============================================
   FILTROS
   ============================================ */
.filtro-categorias {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    padding: 10px 15px;
    gap: 10px;
    margin-bottom: 15px;
}

.categoria-btn {
    white-space: nowrap;
    background: var(--white);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.categoria-btn.active {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}

/* ============================================
   GRID Y TARJETAS
   ============================================ */
.productos-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 2 columnas móvil */
    gap: 10px;
    padding: 0 10px;
    max-width: 1000px; /* Reducido para que 3 columnas no se estiren tanto */
    margin: 0 auto;
}

/* Transición a 3 columnas */
@media (min-width: 450px) {
    .productos-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }
}

.producto-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
    height: 100%;
}

.producto-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}

.producto-imagen {
    width: 100%;
    height: 140px;
    object-fit: cover;
    border-bottom: 1px solid #f0f0f0;
}

@media (min-width: 768px) {
    .producto-imagen { height: 180px; }
    
    .producto-nombre {
        font-size: 1.05rem;
        height: 2.6em; /* Altura fija en desktop para alineación perfecta */
    }

    .producto-descripcion {
        font-size: 0.85rem;
        height: 3em; /* Altura fija en desktop */
    }
}

.producto-info {
    padding: 12px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.producto-nombre {
    font-size: 0.9rem;
    color: #333;
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.2;
    height: 2.4em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

@media (min-width: 768px) {
    .producto-nombre { font-size: 1.05rem; }
}

.producto-precio-contenedor {
    margin-bottom: 8px;
    min-height: 1.2em;
    display: flex;
    flex-direction: column;
}

.precio-item {
    font-size: 1rem;
    color: var(--text-price);
    font-weight: 700;
    line-height: 1.2;
    display: block; /* Asegurar que se apilen */
}

@media (min-width: 768px) {
    .precio-item { font-size: 1.15rem; }
}

.precio-item:not(:first-child) {
    font-size: 0.85rem;
    color: #666;
    border-top: 1px solid #f5f5f5;
    margin-top: 4px;
    padding-top: 4px;
}

.producto-descripcion {
    font-size: 0.75rem;
    color: #777;
    margin-bottom: 12px;
    line-height: 1.4;
    height: 2.8em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

@media (min-width: 768px) {
    .producto-descripcion { font-size: 0.85rem; }
}

.producto-disponibles {
    font-size: 0.75rem;
    color: var(--text-stock);
    font-weight: 600;
    margin-top: auto; /* Empuja el botón al fondo */
    margin-bottom: 10px;
    visibility: hidden;
}

.producto-btn {
    background-color: var(--accent);
    color: var(--white);
    text-align: center;
    padding: 12px 5px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    border: none;
    text-decoration: none;
    width: 100%;
    transition: background 0.2s;
    margin-top: auto; /* Fallback */
}

.producto-btn:hover {
    background-color: var(--primary-dark);
}

/* Estado Agotado */
.producto-card.agotado { opacity: 0.8; }
.producto-card.agotado .producto-imagen { filter: grayscale(100%); }
.producto-agotado-badge {
    background: #f0f0f0;
    color: #999;
    padding: 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    text-align: center;
    font-weight: 700;
    margin-top: auto;
}

/* Mensaje cuando no hay productos */
.disponibles-mensaje {
    grid-column: 1 / -1;
    width: calc(100% - 20px) !important;
    max-width: 450px;
    margin: 20px auto !important;
    padding: 40px 20px !important;
    background: var(--white);
    border-radius: 24px;
    border: 1px solid var(--border-color);
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    gap: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    box-sizing: border-box;
}

@media (min-width: 768px) {
    .disponibles-mensaje {
        margin: 40px auto !important;
        padding: 60px 20px !important;
    }
}

.disponibles-mensaje i {
    font-size: 3.5rem !important;
    color: var(--accent) !important;
    margin-bottom: 10px !important;
}

.disponibles-mensaje-leyenda {
    font-size: 1.3rem !important;
    font-weight: 800 !important;
    color: var(--text-main) !important;
    line-height: 1.2 !important;
    display: block !important;
}

.disponibles-mensaje p {
    font-size: 1rem !important;
    color: #666 !important;
    margin: 10px 0 !important;
    line-height: 1.5 !important;
}

.disponibles-mensaje .producto-btn {
    display: inline-block !important;
    width: auto !important;
    min-width: 200px !important;
    max-width: 280px !important;
    margin-top: 20px !important;
    padding: 16px 30px !important;
    border-radius: 50px !important;
    background-color: var(--accent) !important;
    color: var(--white) !important;
    font-weight: 700 !important;
    text-decoration: none !important;
}

/* ============================================
   PAGINACIÓN
   ============================================ */
.paginacion {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 30px;
    padding: 20px;
}

.page-btn {
    background: var(--white);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-btn:hover:not(.disabled):not(.active) {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}

.page-btn.active {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
    box-shadow: 0 4px 10px rgba(214, 145, 145, 0.3);
}

.page-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}