/* ==========================================================================
   M40 GEAR STORE · ESTILOS PREMIUM INDEPENDIENTES (tienda.css)
   ========================================================================== */

:root {
    --bg-dark: #0a0a0a;
    --surface-dark: #12131a;
    --card-bg: #181922;
    --border-color: rgba(255, 255, 255, 0.05);
    --border-hover: #C9A84C;
    --gold: #C9A84C;
    --gold-bright: #e5c158;
    --text-main: #f4f1eb;
    --text-muted: #8892a4;
    --font-outfit: 'Outfit', sans-serif;
    --font-bebas: 'Bebas Neue', sans-serif;
}

/* RESET GENERAL */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-outfit);
    line-height: 1.6;
    overflow-x: hidden;
}

/* NAVBAR */
.store-navbar {
    background-color: #0d0e14;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    font-family: var(--font-bebas);
    font-size: 1.6rem;
    color: #fff;
    text-decoration: none;
    letter-spacing: 1px;
}

.brand-logo span {
    color: var(--gold);
}

.back-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: var(--gold);
}

/* HERO SECTION */
.store-hero {
    padding: 4.5rem 2rem 3rem 2rem;
    text-align: center;
    background: radial-gradient(circle at top, #141624 0%, #0a0a0a 70%);
    border-bottom: 1px solid var(--border-color);
}

.hero-content {
    max-width: 750px;
    margin: 0 auto;
}

.hero-tag {
    font-size: 0.75rem;
    color: var(--gold);
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 0.8rem;
}

.store-hero h1 {
    font-family: var(--font-bebas);
    font-size: 3.8rem;
    letter-spacing: 2px;
    color: #fff;
    margin-bottom: 1rem;
    line-height: 1;
}

.store-hero p {
    color: var(--text-muted);
    font-size: 1.05rem;
    font-weight: 300;
}

/* BARRA DE BÚSQUEDA */
.filter-bar-section {
    padding: 1.5rem 2rem;
    background-color: #0e0f16;
    border-bottom: 1px solid var(--border-color);
}

.filter-bar-container {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
}

.search-box {
    position: relative;
    width: 100%;
    max-width: 550px;
}

.search-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1rem;
    color: var(--text-muted);
}

#search-input {
    width: 100%;
    background-color: var(--bg-dark);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 0.8rem 1rem 0.8rem 2.8rem;
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.3s ease;
}

#search-input:focus {
    border-color: var(--gold);
}

/* LAYOUT DE LA TIENDA */
.store-layout-container {
    max-width: 1300px;
    margin: 2.5rem auto;
    padding: 0 2rem;
    display: flex;
    gap: 2.5rem;
}

/* SIDEBAR DE CATEGORÍAS */
.categories-sidebar {
    width: 260px;
    flex-shrink: 0;
}

.sidebar-title {
    font-family: var(--font-bebas);
    font-size: 1.4rem;
    letter-spacing: 1px;
    color: #fff;
    margin-bottom: 1.2rem;
    text-transform: uppercase;
    border-left: 3px solid var(--gold);
    padding-left: 10px;
}

.categories-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.category-item {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: all 0.25s ease;
    border: 1px solid transparent;
}

.category-item:hover {
    background-color: rgba(255, 255, 255, 0.02);
    color: var(--text-main);
}

.category-item.active {
    background-color: rgba(201, 168, 76, 0.08);
    color: var(--gold);
    border-left: 3px solid var(--gold);
    font-weight: 600;
}

/* CONTENEDOR DE PRODUCTOS */
.products-grid-wrapper {
    flex-grow: 1;
}

.products-count-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* TARJETA DE PRODUCTO */
.producto-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94), border-color 0.3s ease;
}

.producto-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: 0 12px 30px rgba(0,0,0,0.4);
}

.prod-img-box {
    width: 100%;
    height: 220px;
    background-color: #1c1d26;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.prod-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.producto-card:hover .prod-img {
    transform: scale(1.05);
}

.store-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background-color: rgba(10, 10, 10, 0.85);
    border: 1px solid var(--gold);
    color: var(--gold);
    padding: 0.3rem 0.6rem;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.prod-info {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.prod-tag {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.4rem;
}

.prod-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.6rem;
    line-height: 1.3;
}

.prod-desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

.btn-affiliate {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    background-color: var(--gold);
    color: #0a0a0a;
    text-decoration: none;
    padding: 0.8rem;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn-affiliate:hover {
    background-color: var(--gold-bright);
}

.btn-affiliate:active {
    transform: scale(0.98);
}

/* MENÚ DE ERROR / SIN RESULTADOS */
.empty-store-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* FOOTER */
.store-footer {
    background-color: #0d0e14;
    border-top: 1px solid var(--border-color);
    padding: 2rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 5rem;
}

.store-footer p {
    max-width: 700px;
    margin: 0.3rem auto;
}

/* ADAPTACIÓN MÓVIL (RESPONSIVE DESIGN) */
@media (max-width: 880px) {
    .store-hero h1 {
        font-size: 2.6rem;
    }
    
    .store-layout-container {
        flex-direction: column;
        padding: 0 1rem;
        margin: 1.5rem auto;
    }
    
    .categories-sidebar {
        width: 100%;
    }
    
    .categories-list {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 0.5rem;
        gap: 0.5rem;
        scroll-snap-type: x mandatory;
    }
    
    .category-item {
        white-space: nowrap;
        scroll-snap-align: start;
        padding: 0.5rem 0.9rem;
        font-size: 0.82rem;
        background-color: var(--surface-dark);
        border: 1px solid var(--border-color);
    }
    
    .category-item.active {
        border-left: 1px solid var(--gold);
        border-top: 2px solid var(--gold);
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 1rem;
    }
}