:root {
    /* Paleta Editorial Dark Warm */
    --bg-color: #0B0B14;
    --bg-glass: rgba(26, 26, 36, 0.4);
    --border-glass: rgba(255, 255, 255, 0.08);
    --text-main: #FFFFFF;
    --text-muted: #888899;
    --accent-neon: #FF9EB5; 
    --accent-gold: #FCE1A1;
    --accent-cyan: #8fc3ff;
    
    /* Tipografías */
    --font-display: 'Bodoni Moda', serif;
    --font-body: 'Manrope', sans-serif;
    
    /* Sombras y Efectos */
    --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(255, 61, 139, 0.15);
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-body);
    padding-bottom: 120px;
    
    /* NUEVO: Luces más intensas y grandes para el modo oscuro */
    background-image: 
        radial-gradient(circle at 10% 0%, rgba(255, 158, 181, 0.15) 0%, transparent 45%),
        radial-gradient(circle at 90% 20%, rgba(252, 225, 161, 0.12) 0%, transparent 55%);
    background-attachment: fixed;
    background-repeat: no-repeat;
}

/* --- HEADER --- */
header {
    text-align: center;
    padding: 60px 20px 30px;
    position: relative;
}

.marca {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-style: italic;
    color: var(--accent-cyan);
    text-shadow: 0 4px 20px rgba(201, 163, 91, 0.2);
    letter-spacing: -1px;
}

.tagline {
    color: var(--text-muted);
    font-size: 0.85rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-top: 15px;
    font-weight: 600;
}

/* --- MARQUEE INFINITO --- */
.marquee-container {
    width: 100%;
    overflow: hidden;
    background: rgba(61, 97, 255, 0.05);
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
    padding: 12px 0;
    white-space: nowrap;
    margin-bottom: 40px;
}

.marquee-content {
    display: inline-block;
    animation: scroll-marquee 40s linear infinite;
    color: var(--accent-cyan);
    font-size: 0.75rem;
    letter-spacing: 2px;
    font-weight: 800;
}

@keyframes scroll-marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* --- BÚSQUEDA Y FILTROS --- */
.filtros-container {
    padding: 0 20px;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.buscador input {
    width: 100%;
    padding: 16px 20px;
    border-radius: 16px;
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    margin-bottom: 20px;
    outline: none;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-soft);
}

.buscador input:focus {
    border-color: var(--accent-gold);
    background: rgba(26, 26, 36, 0.7);
}

.buscador input::placeholder { color: var(--text-muted); }

.categorias-scroll {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 10px;
    scrollbar-width: none;
}
.categorias-scroll::-webkit-scrollbar { display: none; }

.btn-categoria {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border-glass);
    padding: 10px 20px;
    border-radius: 30px;
    white-space: nowrap;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.btn-categoria:hover {
    border-color: rgba(255,255,255,0.3);
    color: var(--text-main);
}

.btn-categoria.activo {
    background: var(--accent-cyan);
    color: var(--bg-color);
    border-color: var(--accent-cyan);
    box-shadow: 0 4px 15px rgba(91, 142, 201, 0.3);
}

/* --- GRID Y TARJETAS (GLASSMORPHISM) --- */
#grid-productos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 20px;
    padding: 0 20px 40px;
    max-width: 800px;
    margin: 0 auto;
}

/* Animación de entrada suave para las tarjetas */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.producto-card {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-soft);
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
    animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.producto-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 61, 139, 0.3);
    box-shadow: var(--shadow-glow);
}

.producto-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-glass);
    transition: transform 0.5s ease;
}

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

.producto-info {
    padding: 20px 15px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    background: linear-gradient(to top, rgba(0,0,0,0.3), transparent);
}

.categoria {
    font-size: 0.65rem;
    color: var(--accent-neon);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 800;
}

.nombre {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin: 8px 0 12px 0;
    line-height: 1.2;
    color: #f0f0f5;
}

.precio {
    font-weight: 800;
    font-size: 1.3rem;
    margin-top: auto;
    color: var(--accent-gold);
}

/* --- CONTROLES Y STOCK --- */
.stock-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 600;
}
.stock-label.agotado { color: var(--accent-neon); }

.producto-card.sin-stock { opacity: 0.6; }
.producto-card.sin-stock .producto-img { filter: grayscale(100%); }
.producto-card.sin-stock:hover { transform: none; box-shadow: var(--shadow-soft); border-color: var(--border-glass); }

.controles {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 20px;
    background: rgba(0,0,0,0.4);
    border-radius: 12px;
    padding: 6px;
    border: 1px solid var(--border-glass);
}

.btn-control {
    background: rgba(255,255,255,0.05);
    color: var(--text-main);
    border: 1px solid transparent;
    width: 36px;
    height: 36px;
    font-size: 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-control:hover:not(:disabled) {
    background: var(--accent-neon);
    color: white;
}

.btn-control:active:not(:disabled) { transform: scale(0.9); }
.btn-control:disabled { opacity: 0.2; cursor: not-allowed; }

.cantidad {
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    font-size: 1.1rem;
}

/* --- BARRA DEL CARRITO (PÍLDORA FLOTANTE) --- */
#barra-carrito {
    position: fixed;
    bottom: 25px;
    left: 50%;
    transform: translate(-50%, 150%); /* Oculto hacia abajo */
    width: calc(100% - 40px);
    max-width: 500px;
    background: rgba(252, 90, 155, 0.9);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: 15px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 100px;
    box-shadow: 0 10px 40px rgba(255, 61, 139, 0.4);
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 100;
}

#barra-carrito:not(.oculto) {
    transform: translate(-50%, 0); /* Visible y centrado */
}

.resumen { display: flex; flex-direction: column; }
#carrito-total { font-weight: 800; font-size: 1.3rem; color: #fff; }
#carrito-cantidad { font-size: 0.8rem; color: rgba(255,255,255,0.8); font-weight: 600; }

#btn-comprar {
    background: var(--bg-color);
    color: var(--text-main);
    border: none;
    padding: 14px 24px;
    border-radius: 100px;
    font-weight: 800;
    font-family: var(--font-body);
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

#btn-comprar:hover {
    transform: scale(1.05);
    background: #fff;
    color: var(--bg-color);
}

/* --- BOTÓN DE TEMA --- */
.theme-toggle {
    position: absolute;
    top: 25px;
    right: 25px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: var(--text-main);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-soft);
    z-index: 10;
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    border-color: var(--accent-gold);
}

/* --- TEMA CLARO (LIGHT MODE) --- */
body.light-theme {
    --bg-color: #F4F4F8;
    --bg-glass: rgba(255, 255, 255, 0.6);
    --border-glass: rgba(0, 0, 0, 0.08);
    --text-main: #1A1A24;
    --text-muted: #666677;
    
    /* Versiones un poco más intensas para que resalten sobre el blanco */
    --accent-neon: #E86A8D; 
    --accent-gold: #D6A848;
    --accent-cyan: #5A9BE0;
    
   background-image: 
        radial-gradient(circle at 10% 0%, rgba(232, 106, 141, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 90% 20%, rgba(214, 168, 72, 0.12) 0%, transparent 60%);
}

/* Ajustes específicos para que los contrastes queden perfectos en modo claro */
body.light-theme .buscador input {
    background: rgba(255, 255, 255, 0.8);
    color: var(--text-main);
}
body.light-theme .producto-info {
    background: linear-gradient(to top, rgba(255,255,255,0.9), rgba(255,255,255,0.2));
}
body.light-theme .nombre { color: var(--text-main); }
body.light-theme .controles { background: rgba(0,0,0,0.04); }
body.light-theme .btn-control { background: rgba(0,0,0,0.05); color: var(--text-main); }
body.light-theme .btn-control:hover:not(:disabled) { background: var(--accent-neon); color: white; }
body.light-theme #btn-comprar { background: #1A1A24; color: #FFF; }
body.light-theme #btn-comprar:hover { background: var(--accent-gold); }