:root{--neon-red:#ff0040;--neon-blue:#00d4ff;--neon-white:#ffffff;--neon-black:#000000;--dark-bg:#0a0a0a;--darker-bg:#050505;--light-text:#ffffff;--gray-text:#b0b0b0;--glow-red:0 0 20px #ff0040,0 0 40px #ff0040,0 0 60px #ff0040;--glow-blue:0 0 20px #00d4ff,0 0 40px #00d4ff,0 0 60px #00d4ff;--glow-white:0 0 20px #ffffff,0 0 40px #ffffff,0 0 60px #ffffff;--pulse:pulse 2s ease-in-out infinite alternate}*{margin:0;padding:0;box-sizing:border-box}@keyframes pulse{0%{text-shadow:0 0 20px currentColor,0 0 40px currentColor,0 0 60px currentColor}100%{text-shadow:0 0 30px currentColor,0 0 60px currentColor,0 0 90px currentColor}}@keyframes glow{0%{box-shadow:0 0 20px currentColor}50%{box-shadow:0 0 40px currentColor,0 0 60px currentColor}100%{box-shadow:0 0 20px currentColor}}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes slideIn{from{opacity:0;transform:translateX(-50px)}to{opacity:1;transform:translateX(0)}}body{font-family:'Orbitron',sans-serif;background:linear-gradient(45deg,var(--dark-bg),var(--darker-bg));color:var(--light-text);line-height:1.6;min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden}.container{width:100%;max-width:1400px;margin:0 auto;padding:0 20px}.neon-text{color:var(--neon-blue);text-shadow:var(--glow-blue);animation:var(--pulse)}.neon-text-red{color:var(--neon-red);text-shadow:var(--glow-red);animation:var(--pulse)}.neon-text-blue{color:var(--neon-blue);text-shadow:var(--glow-blue);animation:var(--pulse)}.neon-text-white{color:var(--neon-white);text-shadow:var(--glow-white);animation:var(--pulse)}.neon-header{background:linear-gradient(135deg,var(--darker-bg),rgba(0,212,255,0.1));padding:20px 0;border-bottom:2px solid var(--neon-blue);box-shadow:0 0 30px rgba(0,212,255,0.3);position:relative;z-index:100;backdrop-filter:blur(10px)}.neon-header::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,transparent,var(--neon-blue),transparent);height:2px;animation:glow 3s ease-in-out infinite}.logo a{font-family:'Orbitron',sans-serif;font-size:2.2rem;font-weight:900;text-decoration:none;letter-spacing:2px;color:var(--neon-blue);text-shadow:var(--glow-blue);transition:all 0.3s ease}.logo a:hover{transform:scale(1.05);text-shadow:var(--glow-blue),0 0 80px var(--neon-blue)}.main-nav ul{display:flex;list-style:none;align-items:center;gap:30px}.main-nav a{color:var(--light-text);text-decoration:none;font-weight:500;transition:all 0.3s ease;position:relative;padding:10px 15px;border-radius:25px}.main-nav a:hover{color:var(--neon-blue);background:rgba(0,212,255,0.1);box-shadow:0 0 20px rgba(0,212,255,0.3);transform:translateY(-2px)}.main-nav a::after{content:'';position:absolute;bottom:-5px;left:50%;width:0;height:3px;background:linear-gradient(90deg,var(--neon-red),var(--neon-blue));transition:all 0.3s ease;transform:translateX(-50%)}.main-nav a:hover::after{width:100%}.balance-display{font-weight:700;display:flex;align-items:center;gap:10px;background:linear-gradient(135deg,rgba(255,0,64,0.1),rgba(0,212,255,0.1));padding:10px 20px;border-radius:25px;border:1px solid var(--neon-blue);box-shadow:0 0 20px rgba(0,212,255,0.2)}.mobile-menu-toggle{display:none;font-size:1.8rem;cursor:pointer;color:var(--neon-blue);transition:all 0.3s ease}.mobile-menu-toggle:hover{color:var(--neon-red);transform:rotate(90deg)}.mobile-menu{display:none;background:linear-gradient(135deg,var(--darker-bg),rgba(0,212,255,0.05));padding:25px;position:absolute;top:100%;left:0;width:100%;box-shadow:0 20px 40px rgba(0,0,0,0.5);z-index:99;border-top:2px solid var(--neon-blue)}.mobile-menu ul{list-style:none}.mobile-menu li{margin-bottom:15px;animation:slideIn 0.3s ease forwards}.mobile-menu a{color:var(--light-text);text-decoration:none;font-size:1.2rem;display:block;padding:10px;border-radius:5px;transition:all 0.3s ease}.mobile-menu a:hover{background:rgba(0,212,255,0.1);color:var(--neon-blue);transform:translateX(10px)}.hero{height:600px;background:linear-gradient(45deg,rgba(0,0,0,0.8),rgba(255,0,64,0.2),rgba(0,212,255,0.2)),url('/assets/img/hero-bg.jpg') center/cover;display:flex;align-items:center;text-align:center;position:relative;overflow:hidden}.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,var(--neon-red),transparent,var(--neon-blue));opacity:0.1;animation:glow 4s ease-in-out infinite}.hero-content{max-width:900px;margin:0 auto;position:relative;z-index:2;animation:float 6s ease-in-out infinite}.hero h1{font-family:'Orbitron',sans-serif;font-size:4rem;margin-bottom:25px;text-transform:uppercase;background:linear-gradient(45deg,var(--neon-red),var(--neon-blue),var(--neon-white));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 0 30px rgba(255,255,255,0.5);animation:var(--pulse)}.hero p{font-size:1.4rem;margin-bottom:35px;color:var(--gray-text);text-shadow:0 0 10px rgba(255,255,255,0.3)}.btn{display:inline-block;padding:15px 35px;background:linear-gradient(45deg,transparent,rgba(0,212,255,0.1));color:var(--neon-blue);border:2px solid var(--neon-blue);border-radius:30px;text-decoration:none;font-weight:700;text-transform:uppercase;letter-spacing:2px;transition:all 0.3s ease;cursor:pointer;position:relative;overflow:hidden}.btn::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(0,212,255,0.3),transparent);transition:left 0.5s ease}.btn:hover::before{left:100%}.btn:hover{background:linear-gradient(45deg,rgba(0,212,255,0.2),rgba(255,0,64,0.1));box-shadow:var(--glow-blue);color:var(--neon-white);transform:translateY(-3px) scale(1.05)}.btn-red{color:var(--neon-red);border-color:var(--neon-red)}.btn-red:hover{background:linear-gradient(45deg,rgba(255,0,64,0.2),rgba(0,212,255,0.1));box-shadow:var(--glow-red)}.btn-white{color:var(--neon-white);border-color:var(--neon-white)}.btn-white:hover{background:linear-gradient(45deg,rgba(255,255,255,0.2),rgba(0,212,255,0.1));box-shadow:var(--glow-white)}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:35px;margin:50px 0}.product-card{background:linear-gradient(135deg,var(--darker-bg),rgba(0,212,255,0.05));border-radius:15px;overflow:hidden;transition:all 0.4s ease;border:2px solid rgba(0,212,255,0.2);position:relative;animation:slideIn 0.5s ease forwards}.product-card::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,var(--neon-red),transparent,var(--neon-blue));opacity:0;transition:opacity 0.3s ease;z-index:1}.product-card:hover{transform:translateY(-10px) rotateX(5deg);box-shadow:var(--glow-blue),0 20px 40px rgba(0,0,0,0.3);border-color:var(--neon-blue)}.product-card:hover::before{opacity:0.1}.product-card.featured{border:2px solid var(--neon-red);animation:glow 3s ease-in-out infinite}.product-card.featured::after{content:'★ DESTACADO ★';position:absolute;top:15px;right:15px;background:linear-gradient(45deg,var(--neon-red),var(--neon-blue));color:var(--neon-white);padding:5px 12px;border-radius:20px;font-size:0.8rem;font-weight:700;z-index:2;text-shadow:var(--glow-white);animation:var(--pulse)}.product-image{height:250px;overflow:hidden;position:relative}.product-image::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,transparent,rgba(0,212,255,0.1));opacity:0;transition:opacity 0.3s ease;z-index:1}.product-card:hover .product-image::before{opacity:1}.product-image img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease;filter:brightness(0.9)}.product-card:hover .product-image img{transform:scale(1.1);filter:brightness(1.1)}.product-info{padding:25px;position:relative;z-index:2}.product-category{color:var(--neon-blue);font-size:0.9rem;margin-bottom:8px;display:block;text-transform:uppercase;letter-spacing:1px;font-weight:600}.product-title{font-size:1.3rem;margin-bottom:12px;font-weight:700;color:var(--neon-white);text-shadow:0 0 10px rgba(255,255,255,0.3)}.product-description{color:var(--gray-text);font-size:0.95rem;margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;line-height:1.6}.product-meta{display:flex;justify-content:space-between;align-items:center;margin-top:20px}.product-price{font-size:1.5rem;font-weight:800;color:var(--neon-blue);text-shadow:var(--glow-blue)}.product-validity{font-size:0.8rem;color:var(--gray-text);background:rgba(255,255,255,0.05);padding:3px 8px;border-radius:10px}.categories{margin:80px 0}.section-title{font-family:'Orbitron',sans-serif;font-size:2.5rem;margin-bottom:40px;text-align:center;position:relative;padding-bottom:20px;background:linear-gradient(45deg,var(--neon-red),var(--neon-blue),var(--neon-white));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:var(--pulse)}.section-title::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:150px;height:4px;background:linear-gradient(90deg,var(--neon-red),var(--neon-blue),var(--neon-white));border-radius:2px;animation:glow 2s ease-in-out infinite}.categories-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:25px}.category-card{background:linear-gradient(135deg,var(--darker-bg),rgba(255,0,64,0.05));border-radius:15px;overflow:hidden;transition:all 0.4s ease;text-align:center;padding:30px;border:2px solid rgba(255,0,64,0.2);position:relative}.category-card::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,var(--neon-red),transparent,var(--neon-blue));opacity:0;transition:opacity 0.3s ease}.category-card:hover{transform:translateY(-8px) scale(1.02);box-shadow:var(--glow-red);border-color:var(--neon-red)}.category-card:hover::before{opacity:0.1}.category-icon{font-size:3rem;margin-bottom:20px;color:var(--neon-red);text-shadow:var(--glow-red);animation:float 4s ease-in-out infinite}.category-title{font-size:1.3rem;margin-bottom:12px;color:var(--neon-white);text-shadow:0 0 10px rgba(255,255,255,0.3)}.category-count{font-size:0.95rem;color:var(--gray-text);background:rgba(255,0,64,0.1);padding:5px 10px;border-radius:15px;display:inline-block}.login-container{max-width:550px;margin:60px auto;padding:40px;background:linear-gradient(135deg,var(--darker-bg),rgba(0,212,255,0.05));border-radius:20px;border:2px solid rgba(0,212,255,0.3);box-shadow:var(--glow-blue),0 20px 40px rgba(0,0,0,0.3);position:relative}.login-container::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,var(--neon-blue),transparent,var(--neon-red));opacity:0.05;border-radius:20px}.login-title{font-family:'Orbitron',sans-serif;font-size:2.5rem;margin-bottom:30px;text-align:center;color:var(--neon-blue);text-shadow:var(--glow-blue);animation:var(--pulse)}.form-group{margin-bottom:25px}.form-group label{display:block;margin-bottom:10px;font-weight:600;color:var(--neon-white);text-shadow:0 0 5px rgba(255,255,255,0.3)}.form-control{width:100%;padding:15px 20px;background:rgba(255,255,255,0.05);border:2px solid rgba(0,212,255,0.3);border-radius:25px;color:var(--light-text);font-size:1.1rem;transition:all 0.3s ease;backdrop-filter:blur(10px)}.form-control:focus{outline:none;border-color:var(--neon-blue);box-shadow:var(--glow-blue);background:rgba(255,255,255,0.1)}.user-dashboard,.admin-grid{display:grid;grid-template-columns:300px 1fr;gap:40px;margin:50px 0}.user-sidebar,.admin-sidebar{background:linear-gradient(135deg,var(--darker-bg),rgba(0,212,255,0.05));border-radius:15px;padding:25px;border:2px solid rgba(0,212,255,0.2);box-shadow:0 10px 30px rgba(0,0,0,0.3)}.user-sidebar-title,.admin-sidebar-title{font-family:'Orbitron',sans-serif;font-size:1.5rem;margin-bottom:25px;color:var(--neon-blue);padding-bottom:15px;border-bottom:2px solid rgba(0,212,255,0.3);text-shadow:var(--glow-blue)}.user-menu,.admin-menu{list-style:none}.user-menu li,.admin-menu li{margin-bottom:12px}.user-menu a,.admin-menu a{display:block;padding:12px 15px;color:var(--light-text);text-decoration:none;border-radius:25px;transition:all 0.3s ease;position:relative}.user-menu a:hover,.user-menu a.active,.admin-menu a:hover,.admin-menu a.active{background:linear-gradient(135deg,rgba(0,212,255,0.1),rgba(255,0,64,0.05));color:var(--neon-blue);transform:translateX(5px);box-shadow:0 5px 15px rgba(0,212,255,0.2)}.user-menu a i,.admin-menu a i{margin-right:12px;width:25px;text-align:center}.user-content,.admin-content{background:linear-gradient(135deg,var(--darker-bg),rgba(0,212,255,0.05));border-radius:15px;padding:35px;border:2px solid rgba(0,212,255,0.2);box-shadow:0 10px 30px rgba(0,0,0,0.3)}.user-content-title,.admin-content-title{font-family:'Orbitron',sans-serif;font-size:1.8rem;margin-bottom:25px;color:var(--neon-blue);text-shadow:var(--glow-blue)}.balance-card{background:linear-gradient(135deg,rgba(0,212,255,0.1),rgba(255,0,64,0.05));border-radius:15px;padding:30px;margin-bottom:35px;border:2px solid rgba(0,212,255,0.3);text-align:center;position:relative;overflow:hidden}.balance-card::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,var(--neon-blue),transparent,var(--neon-red));opacity:0.1;animation:glow 3s ease-in-out infinite}.balance-amount{font-size:3rem;font-weight:900;margin:20px 0;color:var(--neon-blue);text-shadow:var(--glow-blue);position:relative;z-index:1}.topup-form{margin-top:25px}.topup-options{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:15px;margin-bottom:25px}.topup-option{background:rgba(0,212,255,0.05);border:2px solid rgba(0,212,255,0.2);border-radius:15px;padding:15px;text-align:center;cursor:pointer;transition:all 0.3s ease;position:relative}.topup-option::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,var(--neon-blue),transparent);opacity:0;transition:opacity 0.3s ease;border-radius:15px}.topup-option:hover,.topup-option.selected{background:rgba(0,212,255,0.1);border-color:var(--neon-blue);color:var(--neon-blue);transform:scale(1.05);box-shadow:0 5px 20px rgba(0,212,255,0.3)}.topup-option:hover::before,.topup-option.selected::before{opacity:0.1}.topup-option input{display:none}.topup-amount{font-weight:800;font-size:1.2rem;margin-bottom:5px}.topup-bonus{font-size:0.8rem;color:var(--gray-text);background:rgba(255,0,64,0.1);padding:2px 6px;border-radius:8px;display:inline-block}.table{width:100%;border-collapse:collapse;margin:25px 0;border-radius:15px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,0.3)}.table th{background:linear-gradient(135deg,rgba(0,212,255,0.2),rgba(255,0,64,0.1));padding:15px 20px;text-align:left;font-weight:700;color:var(--neon-blue);text-shadow:var(--glow-blue);border-bottom:2px solid rgba(0,212,255,0.3)}.table td{padding:15px 20px;border-bottom:1px solid rgba(255,255,255,0.05);transition:all 0.3s ease}.table tr:last-child td{border-bottom:none}.table tr:hover td{background:rgba(0,212,255,0.05);color:var(--neon-blue);transform:scale(1.01)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:25px;margin-bottom:35px}.stat-card{background:linear-gradient(135deg,rgba(0,0,0,0.5),rgba(0,212,255,0.05));border-radius:15px;padding:25px;text-align:center;border:2px solid rgba(0,212,255,0.2);transition:all 0.3s ease;position:relative}.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,var(--neon-blue),transparent,var(--neon-red));opacity:0;transition:opacity 0.3s ease;border-radius:15px}.stat-card:hover{transform:translateY(-5px);box-shadow:var(--glow-blue);border-color:var(--neon-blue)}.stat-card:hover::before{opacity:0.1}.stat-value{font-size:2.5rem;font-weight:900;margin:15px 0;color:var(--neon-blue);text-shadow:var(--glow-blue)}.stat-label{font-size:0.95rem;color:var(--gray-text);text-transform:uppercase;letter-spacing:1px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-bottom:25px}.form-actions{margin-top:35px;text-align:right}.alert{padding:18px 25px;margin-bottom:25px;border-radius:15px;font-weight:600;position:relative;backdrop-filter:blur(10px)}.alert-success{background:rgba(0,255,0,0.1);border:2px solid rgba(0,255,0,0.3);color:#00ff00;box-shadow:0 0 20px rgba(0,255,0,0.2)}.alert-error{background:rgba(255,0,0,0.1);border:2px solid rgba(255,0,0,0.3);color:var(--neon-red);box-shadow:var(--glow-red)}.alert-info{background:rgba(0,212,255,0.1);border:2px solid rgba(0,212,255,0.3);color:var(--neon-blue);box-shadow:var(--glow-blue)}.product-page{display:grid;grid-template-columns:1fr 1fr;gap:50px;margin:50px 0}.product-gallery{background:linear-gradient(135deg,var(--darker-bg),rgba(0,212,255,0.05));border-radius:15px;padding:25px;border:2px solid rgba(0,212,255,0.2);box-shadow:0 10px 30px rgba(0,0,0,0.3)}.product-main-image{width:100%;height:450px;object-fit:contain;margin-bottom:25px;border-radius:10px;transition:all 0.3s ease}.product-main-image:hover{transform:scale(1.02);filter:brightness(1.1)}.product-thumbnails{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.product-thumbnail{width:100%;height:90px;object-fit:cover;border-radius:8px;cursor:pointer;transition:all 0.3s ease;border:2px solid rgba(0,212,255,0.2)}.product-thumbnail:hover{border-color:var(--neon-blue);transform:scale(1.1);box-shadow:0 5px 15px rgba(0,212,255,0.3)}.product-details{background:linear-gradient(135deg,var(--darker-bg),rgba(255,0,64,0.05));border-radius:15px;padding:35px;border:2px solid rgba(255,0,64,0.2);box-shadow:0 10px 30px rgba(0,0,0,0.3)}.product-title{font-family:'Orbitron',sans-serif;font-size:2.5rem;margin-bottom:15px;color:var(--neon-blue);text-shadow:var(--glow-blue);animation:var(--pulse)}.product-category{display:inline-block;background:linear-gradient(135deg,rgba(0,212,255,0.1),rgba(255,0,64,0.05));color:var(--neon-blue);padding:8px 15px;border-radius:20px;margin-bottom:25px;font-size:0.9rem;font-weight:600;border:1px solid rgba(0,212,255,0.3)}.product-price{font-size:2.5rem;font-weight:900;margin:25px 0;color:var(--neon-blue);text-shadow:var(--glow-blue)}.product-meta{display:flex;gap:25px;margin-bottom:25px}.product-meta-item{display:flex;align-items:center;gap:8px;font-size:0.95rem;color:var(--gray-text);background:rgba(255,255,255,0.05);padding:5px 10px;border-radius:10px}.product-description{margin-bottom:35px;line-height:1.8;font-size:1.1rem}.product-actions{display:flex;gap:20px}footer{background:linear-gradient(135deg,var(--darker-bg),rgba(0,212,255,0.05));padding:30px 0;text-align:center;margin-top:auto;border-top:2px solid rgba(0,212,255,0.2);position:relative}.footer::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--neon-red),var(--neon-blue),var(--neon-white));animation:glow 3s ease-in-out infinite}.copyright{font-size:0.95rem;color:var(--gray-text);margin-top:10px}@media (max-width:1200px){.hero h1{font-size:3.5rem}.user-dashboard,.admin-grid{grid-template-columns:250px 1fr}}@media (max-width:992px){.product-page{grid-template-columns:1fr}.user-dashboard,.admin-grid{grid-template-columns:1fr}.user-sidebar,.admin-sidebar{margin-bottom:30px}.hero h1{font-size:3rem}}@media (max-width:768px){.main-nav{display:none}.mobile-menu-toggle{display:block}.mobile-menu.active{display:block}.hero h1{font-size:2.5rem}.form-row{grid-template-columns:1fr}.section-title{font-size:2rem}}@media (max-width:576px){.products-grid{grid-template-columns:1fr}.categories-grid{grid-template-columns:1fr}.product-actions{flex-direction:column}.btn{width:100%;text-align:center}.hero h1{font-size:2rem}.topup-options{grid-template-columns:1fr 1fr}}   /* ========== ESTILOS SISTEMA DE COMPRAS - NEON THEME ========== */

/* Reset y Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: #000000;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(0, 255, 255, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 0, 100, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(0, 100, 255, 0.3) 0%, transparent 50%);
    min-height: 100vh;
    color: #ffffff;
}

/* Página de productos */
.products-page {
    padding: 2rem 0;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Título principal */
.section-title {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2.5rem;
    color: #ffffff;
    text-shadow: 
        0 0 5px #ffffff,
        0 0 10px #ffffff,
        0 0 15px #ffffff,
        0 0 20px #00ffff,
        0 0 35px #00ffff,
        0 0 40px #00ffff;

    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 3px;
}



@keyframes neon-glow {
    from { 
        text-shadow: 
            0 0 5px #ffffff,
            0 0 10px #ffffff,
            0 0 15px #ffffff,
            0 0 20px #00ffff,
            0 0 35px #00ffff,
            0 0 40px #00ffff;
    }
    to { 
        text-shadow: 
            0 0 2px #ffffff,
            0 0 5px #ffffff,
            0 0 8px #ffffff,
            0 0 12px #00ffff,
            0 0 18px #00ffff,
            0 0 25px #00ffff;
    }
}

/* Alertas */
.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 10px;
    text-align: center;
    color: #ffffff;
    font-weight: 600;
    border: 2px solid;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(10px);
}

.alert-success { 
    border-color: #00ffff;
    box-shadow: 
        0 0 10px #00ffff,
        inset 0 0 10px rgba(0,255,255,0.1);
}

.alert-error { 
    border-color: #ff0066;
    box-shadow: 
        0 0 10px #ff0066,
        inset 0 0 10px rgba(255,0,102,0.1);
}

.category-description {
    text-align: center;
    color: rgba(255,255,255,0.9);
    margin-bottom: 2rem;
    font-size: 1.1rem;
    text-shadow: 0 0 10px rgba(255,255,255,0.5);
}

/* Grid de productos */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

/* Tarjetas de producto */
.product-card {
    background: rgba(0,0,0,0.9);
    border-radius: 20px;
    overflow: hidden;
    border: 2px solid #00ffff;
    box-shadow: 
        0 0 20px rgba(0,255,255,0.5),
        inset 0 0 20px rgba(0,255,255,0.1);
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(0,255,255,0.1) 0%, 
        rgba(255,255,255,0.05) 50%, 
        rgba(255,0,102,0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.product-card:hover::before {
    opacity: 1;
}

.product-card:hover {
    transform: translateY(-15px) scale(1.02);
    border-color: #ffffff;
    box-shadow: 
        0 0 30px rgba(255,255,255,0.8),
        0 10px 40px rgba(0,255,255,0.3),
        inset 0 0 30px rgba(255,255,255,0.1);
}

.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from { 
        opacity: 0; 
        transform: translateY(30px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

/* Imagen del producto */
.product-image {
    height: 200px;
    background: linear-gradient(45deg, #000000, #001133, #000000);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #00ffff;
    font-size: 3rem;
    position: relative;
    overflow: hidden;
    border-bottom: 2px solid #00ffff;
    text-shadow: 0 0 20px #00ffff;
}

.product-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        transparent, 
        rgba(255,255,255,0.2), 
        transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.product-card:hover .product-image::after {
    transform: translateX(100%);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
    filter: brightness(0.8) contrast(1.2);
}

.product-card:hover .product-image img {
    transform: scale(1.1);
    filter: brightness(1) contrast(1.5);
}

/* Información del producto */
.product-info {
    padding: 1.5rem;
    position: relative;
    background: rgba(0,0,0,0.8);
}

.product-category {
    display: inline-block;
    background: linear-gradient(45deg, #0066ff, #00ffff);
    color: #000000;
    padding: 0.4rem 1rem;
    border-radius: 25px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 
        0 0 15px rgba(0,255,255,0.6),
        inset 0 0 10px rgba(255,255,255,0.2);
}

.product-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.8rem;
    line-height: 1.3;
    text-shadow: 0 0 10px rgba(255,255,255,0.5);
}

.product-description {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
    margin-bottom: 1.2rem;
    line-height: 1.5;
}

/* Meta información del producto */
.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(0,255,255,0.1);
    border-radius: 12px;
    border: 1px solid #00ffff;
    box-shadow: inset 0 0 10px rgba(0,255,255,0.2);
}

.product-price {
    font-size: 1.4rem;
    font-weight: 800;
    color: #00ffff;
    text-shadow: 
        0 0 5px #00ffff,
        0 0 10px #00ffff,
        0 0 15px #00ffff;
}

.product-validity {
    background: linear-gradient(45deg, #ffffff, #00ffff);
    color: #000000;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    box-shadow: 
        0 0 10px rgba(255,255,255,0.6),
        inset 0 0 5px rgba(0,255,255,0.3);
}

/* Acciones del producto */
.product-actions {
    text-align: center;
}

/* Botones de compra */
.buy-button {
    width: 100%;
    padding: 1.2rem 2rem;
    background: linear-gradient(45deg, #0066ff, #00ffff);
    color: #000000;
    border: 2px solid #00ffff;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 
        0 0 20px rgba(0,255,255,0.6),
        inset 0 0 20px rgba(255,255,255,0.1);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.buy-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255,255,255,0.4), 
        transparent);
    transition: left 0.5s ease;
}

.buy-button:hover::before {
    left: 100%;
}

.buy-button:hover {
    transform: translateY(-3px);
    background: linear-gradient(45deg, #ffffff, #00ffff);
    box-shadow: 
        0 0 30px rgba(255,255,255,0.8),
        0 10px 30px rgba(0,255,255,0.5);
    text-shadow: 0 0 10px #000000;
}

.buy-button:active {
    transform: translateY(-1px);
}

/* Botón de saldo insuficiente */
.buy-button.insufficient-funds {
    background: linear-gradient(45deg, #ff0066, #ff3399);
    border-color: #ff0066;
    color: #ffffff;
    box-shadow: 
        0 0 20px rgba(255,0,102,0.6),
        inset 0 0 20px rgba(255,0,102,0.1);
}

.buy-button.insufficient-funds:hover {
    background: linear-gradient(45deg, #ff3399, #ffffff);
    color: #000000;
    box-shadow: 
        0 0 30px rgba(255,0,102,0.8),
        0 10px 30px rgba(255,0,102,0.5);
}

/* Mensaje sin productos */
.no-products {
    text-align: center;
    color: #ffffff;
    font-size: 1.3rem;
    margin: 4rem 0;
    padding: 2rem;
    background: rgba(0,0,0,0.8);
    border: 2px solid #00ffff;
    border-radius: 15px;
    box-shadow: 
        0 0 20px rgba(0,255,255,0.4),
        inset 0 0 20px rgba(0,255,255,0.1);
    backdrop-filter: blur(10px);
}

/* ========== MODALES ========== */

.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.9);
    backdrop-filter: blur(10px);
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: #000000;
    margin: 3% auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 550px;
    border: 2px solid #00ffff;
    box-shadow: 
        0 0 40px rgba(0,255,255,0.8),
        inset 0 0 40px rgba(0,255,255,0.1);
    animation: modalSlideIn 0.4s ease;
    overflow: hidden;
}

@keyframes modalSlideIn {
    from { 
        transform: translateY(-100px) scale(0.8); 
        opacity: 0; 
    }
    to { 
        transform: translateY(0) scale(1); 
        opacity: 1; 
    }
}

/* Header del modal */
.modal-header {
    background: linear-gradient(135deg, #0066ff, #00ffff);
    color: #000000;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    border-bottom: 2px solid #00ffff;
}

.modal-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        transparent, 
        rgba(255,255,255,0.2), 
        transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.modal-header h3 {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 900;
    text-shadow: 0 0 10px #000000;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.close {
    color: #000000;
    font-size: 32px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
}

.close:hover {
    background: rgba(255,0,102,0.8);
    color: #ffffff;
    transform: rotate(90deg);
    box-shadow: 0 0 15px #ff0066;
}

/* Body del modal */
.modal-body {
    padding: 2rem;
    background: rgba(0,0,0,0.9);
    color: #ffffff;
}

/* Detalles de compra */
.purchase-details h4 {
    color: #ffffff;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 700;
    text-shadow: 0 0 10px rgba(255,255,255,0.5);
}

.purchase-details .price {
    font-size: 1.5rem;
    font-weight: 800;
    color: #00ffff;
    margin-bottom: 0.8rem;
    text-shadow: 
        0 0 5px #00ffff,
        0 0 10px #00ffff,
        0 0 15px #00ffff;
}

.balance-info {
    color: rgba(255,255,255,0.8);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(0,255,255,0.1);
    border-radius: 10px;
    border: 1px solid #00ffff;
    box-shadow: inset 0 0 10px rgba(0,255,255,0.2);
}

/* Acciones de confirmación */
.confirm-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* Botones del modal */
.btn {
    padding: 1rem 2rem;
    border: 2px solid;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    flex: 1;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255,255,255,0.3), 
        transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(45deg, #0066ff, #00ffff);
    color: #000000;
    border-color: #00ffff;
    box-shadow: 0 0 20px rgba(0,255,255,0.4);
}

.btn-primary:hover {
    background: linear-gradient(45deg, #ffffff, #00ffff);
    box-shadow: 0 0 30px rgba(255,255,255,0.6);
}

.btn-secondary {
    background: linear-gradient(45deg, #666666, #999999);
    color: #ffffff;
    border-color: #999999;
    box-shadow: 0 0 20px rgba(153,153,153,0.4);
}

.btn-secondary:hover {
    background: linear-gradient(45deg, #ff0066, #ff3399);
    border-color: #ff0066;
    box-shadow: 0 0 30px rgba(255,0,102,0.6);
}

.btn:hover {
    transform: translateY(-3px);
}

.btn:active {
    transform: translateY(-1px);
}

/* Loading */
.loading {
    text-align: center;
    padding: 3rem 2rem;
    color: #00ffff;
    font-size: 1.2rem;
    font-weight: 600;
}

.loading p {
    animation: pulse 1.5s infinite;
    text-shadow: 0 0 20px #00ffff;
}

@keyframes pulse {
    0%, 100% { 
        opacity: 1;
        text-shadow: 0 0 20px #00ffff;
    }
    50% { 
        opacity: 0.5;
        text-shadow: 0 0 10px #00ffff;
    }
}

/* Mensajes de resultado */
.success-message, .error-message {
    text-align: center;
    padding: 1rem;
}

.success-message {
    color: #ffffff;
}

.error-message {
    color: #ffffff;
}

/* Clave del producto */
.product-key {
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(0,0,0,0.9);
    border-radius: 15px;
    border: 2px solid #00ffff;
    box-shadow: 
        0 0 20px rgba(0,255,255,0.4),
        inset 0 0 20px rgba(0,255,255,0.1);
}

.product-key h4 {
    color: #ffffff;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    text-shadow: 0 0 10px rgba(255,255,255,0.5);
}

.key-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    justify-content: center;
    margin-top: 1rem;
}

.key-container code {
    background: #000000;
    color: #00ff00;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    font-family: 'Courier New', monospace;
    font-size: 1.2rem;
    font-weight: bold;
    letter-spacing: 2px;
    border: 2px solid #00ff00;
    box-shadow: 
        0 0 20px rgba(0,255,0,0.6),
        inset 0 0 10px rgba(0,255,0,0.2);
    text-shadow: 0 0 15px #00ff00;
}

.copy-btn {
    background: linear-gradient(45deg, #0066ff, #00ffff);
    color: #000000;
    border: 2px solid #00ffff;
    padding: 0.8rem 1rem;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(0,255,255,0.4);
}

.copy-btn:hover {
    background: linear-gradient(45deg, #ffffff, #00ffff);
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(255,255,255,0.6);
}

/* Información de validez e instrucciones */
.validity-info, .instructions {
    margin-top: 1.5rem;
    padding: 1.2rem;
    background: rgba(0,255,255,0.1);
    border-radius: 12px;
    border: 1px solid #00ffff;
    box-shadow: inset 0 0 10px rgba(0,255,255,0.2);
}

.instructions {
    border-color: #ffffff;
    background: rgba(255,255,255,0.1);
    box-shadow: inset 0 0 10px rgba(255,255,255,0.2);
}

/* Información de recarga */
.recharge-info {
    text-align: center;
    padding: 1.5rem;
}

.recharge-info p {
    margin-bottom: 1rem;
    color: rgba(255,255,255,0.9);
    font-size: 1.1rem;
}

/* Botones de WhatsApp */
.whatsapp-button, .whatsapp-button-small {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    background: linear-gradient(45deg, #ff0066, #ff3399);
    color: #ffffff;
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    margin: 1.5rem 0;
    border: 2px solid #ff0066;
    box-shadow: 
        0 0 20px rgba(255,0,102,0.6),
        inset 0 0 10px rgba(255,255,255,0.1);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.whatsapp-button:hover, .whatsapp-button-small:hover {
    background: linear-gradient(45deg, #ffffff, #ff3399);
    color: #000000;
    transform: translateY(-3px);
    box-shadow: 
        0 0 30px rgba(255,255,255,0.8),
        0 10px 30px rgba(255,0,102,0.5);
    text-decoration: none;
}

.phone-number {
    color: rgba(255,255,255,0.7);
    font-size: 1rem;
    margin-top: 0.5rem;
    font-weight: 600;
    text-shadow: 0 0 10px rgba(255,255,255,0.3);
}

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

@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .modal-content {
        margin: 5% auto;
        width: 95%;
    }
    
    .confirm-actions {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .product-meta {
        flex-direction: column;
        gap: 0.8rem;
        text-align: center;
    }
    
    .key-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .key-container code {
        font-size: 1rem;
        padding: 0.8rem 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .product-card {
        margin: 0 0.5rem;
    }
    
    .modal-header {
        padding: 1rem 1.5rem;
    }
    
    .modal-body {
        padding: 1.5rem;
    }
    
    .section-title {
        font-size: 1.8rem;
        letter-spacing: 2px;
    }
}

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

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
        transform: translate3d(0,0,0);
    }
    40%, 43% {
        animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
        transform: translate3d(0, -30px, 0);
    }
    70% {
        animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
        transform: translate3d(0, -15px, 0);
    }
    90% {
        transform: translate3d(0,-4px,0);
    }
}

.buy-button:hover {
    animation: bounce 1s;
}

/* Efectos de partículas neon */
.product-card::after {
    content: '⚡';
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 1.2rem;
    color: #00ffff;
    opacity: 0;
    transition: opacity 0.3s ease;
    text-shadow: 0 0 15px #00ffff;
}

.product-card:hover::after {
    opacity: 1;
    animation: sparkle 2s infinite;
}

@keyframes sparkle {
    0%, 100% { 
        transform: scale(1) rotate(0deg);
        color: #00ffff;
        text-shadow: 0 0 15px #00ffff;
    }
    50% { 
        transform: scale(1.2) rotate(180deg);
        color: #ffffff;
        text-shadow: 0 0 20px #ffffff;
    }
}

/* Efecto de escaneo */
.product-card:hover .product-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        #00ffff, 
        transparent);
    animation: scan 2s infinite;
}

@keyframes scan {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(200px); opacity: 0; }
}