/* ==========================================================================
   VARIABLES GLOBALES (Paleta de Colores y Tipografía)
   ========================================================================== */
:root {
    /* Fondos (Dark Mode Profundo) */
    --bg-dark: #0B0F19;
    --bg-surface: #111827;
    --bg-surface-light: #1f2937;
    
    /* Acentos sutiles */
    --accent-violet: #4C1D95;
    --accent-navy: #1E3A8A;

    /* Gradiente 1: Monograma (Tonos Fríos y Neón) */
    --cyan-neon: #00FFFF;
    --blue-electric: #3B82F6;
    --magenta: #D946EF;

    /* Gradiente 2: Texto Principal (Tonos Cálidos) */
    --gold: #FBBF24;
    --orange: #F97316;
    --pink: #EC4899;

    /* Textos genéricos */
    --text-main: #F3F4F6; /* Blanco suave para que no lastime la vista */
    --text-muted: #9CA3AF; /* Gris para textos menos importantes */

    /* Fuentes (Temática Espacial) */
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Space Grotesk', sans-serif;
}

/* ==========================================================================
   RESETEO BÁSICO
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #02010c;
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    /* Fondo con Nubes Cósmicas (Nebulosas) más pronunciadas */
    background-image: 
        radial-gradient(circle at 50% -20%, rgba(76,29,149,0.5) 0%, transparent 60%),
        radial-gradient(circle at 15% 45%, rgba(0,255,255,0.12) 0%, transparent 45%),
        radial-gradient(circle at 85% 75%, rgba(217,70,239,0.12) 0%, transparent 45%),
        radial-gradient(circle at 50% 50%, rgba(30,58,138,0.2) 0%, transparent 70%);
    background-repeat: no-repeat;
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-x: hidden;
}

/* Capa de Estrellas más pronunciadas (Parallax Espacial) */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #ffffff 100%, rgba(0,0,0,0)),
        radial-gradient(3px 3px at 45px 70px, #ffffff 100%, rgba(0,0,0,0)),
        radial-gradient(1.5px 1.5px at 90px 15px, #ffffff 100%, rgba(0,0,0,0)),
        radial-gradient(2.5px 2.5px at 150px 140px, rgba(0,255,255,0.95) 100%, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 220px 60px, #ffffff 100%, rgba(0,0,0,0)),
        radial-gradient(4px 4px at 120px 220px, #ffffff 20%, rgba(255,255,255,0.2) 60%, rgba(0,0,0,0));
    background-size: 300px 300px;
    opacity: 0.45;
    z-index: -1;
    pointer-events: none;
    animation: spaceStarsScroll 120s linear infinite;
}

@keyframes spaceStarsScroll {
    from { background-position: 0 0; }
    to { background-position: 250px 500px; }
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================================================
   CABECERA (HEADER) Y NAVEGACIÓN
   ========================================================================== */
.navbar {
    background-color: rgba(11, 15, 25, 0.8); /* Fondo semi-transparente */
    backdrop-filter: blur(12px); /* Efecto cristal / Glassmorphism */
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

/* LOGO: Diseño según tus especificaciones */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
}

.logo-vc {
    font-size: 28px;
    font-weight: 800;
    /* Gradiente frío con resplandor neón */
    background: linear-gradient(to bottom right, var(--cyan-neon), var(--blue-electric), var(--magenta));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent; /* Fallback estándar */
    filter: drop-shadow(0 0 8px rgba(0, 255, 255, 0.4)); /* Brillo Cian Neón */
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 1px;
    /* Gradiente cálido */
    background: linear-gradient(to right, var(--gold), var(--orange), var(--pink));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent; /* Fallback estándar */
}

/* ==========================================================================
   BOTONES
   ========================================================================== */
.btn {
    font-family: var(--font-body);
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 14px;
}

.btn-outline {
    background: transparent;
    color: var(--cyan-neon);
    border: 1px solid var(--cyan-neon);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.1);
}

.btn-outline:hover {
    background: rgba(0, 255, 255, 0.1);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
    transform: translateY(-2px); /* Micro-animación al pasar el mouse */
}

/* ==========================================================================
   CONTENEDOR DE LA APP (Donde irán las páginas)
   ========================================================================== */
#app-container {
    padding-top: 40px;
    padding-bottom: 60px;
    flex: 1;
}

.loader {
    text-align: center;
    color: var(--cyan-neon);
    font-family: var(--font-heading);
    font-size: 20px;
    animation: pulse 1.5s infinite;
}

/* Animación de latido para el texto de cargando */
@keyframes pulse {
    0% { opacity: 0.5; }
    50% { opacity: 1; filter: drop-shadow(0 0 10px var(--cyan-neon)); }
}

/* ==========================================================================
   TARJETAS DE CATEGORÍA (HOME)
   ========================================================================== */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.category-card {
    background: rgba(31, 41, 55, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

/* Efecto de resplandor al pasar el mouse por la tarjeta */
.category-card:hover {
    transform: translateY(-5px);
    background: rgba(31, 41, 55, 0.8);
    border-color: rgba(0, 255, 255, 0.3);
    box-shadow: 0 10px 30px -10px rgba(0, 255, 255, 0.2);
}

/* Decoración superior de la tarjeta (una línea de color) */
.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
}

.card-ff::before { background: linear-gradient(to right, var(--orange), var(--gold)); }
.card-bs::before { background: linear-gradient(to right, var(--pink), var(--magenta)); }
.card-st::before { background: linear-gradient(to right, var(--cyan-neon), var(--blue-electric)); }

.category-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.category-title {
    font-family: var(--font-heading);
    font-size: 22px;
    margin-bottom: 10px;
    color: var(--text-main);
}

.category-desc {
    font-size: 14px;
    color: var(--text-muted);
}

/* ==========================================================================
   PRODUCTOS (CATÁLOGO)
   ========================================================================== */
.products-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}

.product-card {
    background: var(--bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 180px;
}

.product-card:hover {
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.product-name {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-main);
}

.product-price-bs {
    font-size: 20px;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 5px;
}

.product-price-usdt {
    font-size: 14px;
    color: var(--text-muted);
}

/* ==========================================================================
   MODAL DE CHECKOUT (Pago Móvil / Binance)
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.checkout-modal {
    background: var(--bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: 90%;
    max-width: 550px;
    max-height: 90vh;
    border-radius: 16px;
    overflow-y: auto;
    padding: 30px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .checkout-modal {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 15px;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
}

.modal-close:hover {
    color: var(--text-main);
}

/* Formulario e Inputs */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-main);
}

.form-input {
    width: 100%;
    background: var(--bg-dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    padding: 12px 16px;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: var(--cyan-neon);
}

/* Métodos de Pago Selector */
.payment-methods {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.payment-method-card {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: var(--bg-dark);
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.payment-method-card.selected {
    border-color: var(--cyan-neon);
    background: rgba(0, 255, 255, 0.05);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.1);
}

/* Instrucciones de Pago y Copiar */
.payment-info-box {
    background: rgba(255, 255, 255, 0.02);
    border: 1px dashed rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-size: 14px;
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-label {
    color: var(--text-muted);
}

.info-val-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.copy-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s;
}

.copy-btn:hover {
    background: var(--cyan-neon);
    color: var(--bg-dark);
    border-color: var(--cyan-neon);
}

.disclaimer {
    font-size: 12px;
    color: #ef4444; /* Rojo advertencia */
    margin-top: 5px;
    display: block;
}

/* Archivo de Pago */
.file-upload-wrapper {
    position: relative;
    border: 2px dashed rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.3s;
}

.file-upload-wrapper:hover {
    border-color: var(--cyan-neon);
}

.file-upload-input {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-upload-text {
    font-size: 13px;
    color: var(--text-muted);
}

.file-upload-text span {
    color: var(--cyan-neon);
    text-decoration: underline;
}
/* ==========================================================================
   V2: SELECTOR DE MONEDAS
   ========================================================================== */
.currency-btn {
    opacity: 0.6;
    transition: all 0.3s;
}
.currency-btn.active {
    opacity: 1;
    background: rgba(0, 255, 255, 0.1);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.2);
}

/* ==========================================================================
   V2: TABLAS Y DASHBOARD (ADMIN Y MI CUENTA)
   ========================================================================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
@media (min-width: 768px) {
    .dashboard-grid { grid-template-columns: 1fr 3fr; }
}

.dashboard-card {
    background: var(--bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 20px;
}

.table-wrapper {
    overflow-x: auto;
}
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    font-size: 14px;
}
.data-table th, .data-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.data-table th {
    color: var(--text-muted);
    font-weight: 600;
}
.data-table tbody tr:hover {
    background: rgba(255,255,255,0.02);
}

.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}
.badge-pending { background: rgba(251, 191, 36, 0.15); color: var(--gold); border: 1px solid var(--gold); }
.badge-processing { background: rgba(59, 130, 246, 0.15); color: var(--blue-electric); border: 1px solid var(--blue-electric); }
.badge-completed { background: rgba(16, 185, 129, 0.15); color: #10b981; border: 1px solid #10b981; }
.badge-rejected { background: rgba(239, 68, 68, 0.15); color: #ef4444; border: 1px solid #ef4444; }

.admin-tabs {
    display: flex; gap: 10px; margin-bottom: 20px;
    overflow-x: auto; padding-bottom: 5px;
}
.admin-tab {
    padding: 8px 16px; border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px; cursor: pointer; color: var(--text-muted);
    background: var(--bg-surface);
}
.admin-tab.active {
    background: var(--cyan-neon);
    color: var(--bg-dark);
    font-weight: bold;
}

/* ==========================================================================
   WHATSAPP & REVIEWS
   ========================================================================== */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    left: 30px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    transition: transform 0.3s ease;
}
.whatsapp-float:hover {
    transform: scale(1.1);
}

.reviews-section {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}
.review-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 20px;
}
.review-stars {
    color: var(--gold);
    margin-bottom: 10px;
    font-size: 1.2rem;
}
.review-author {
    font-weight: bold;
    color: var(--cyan-neon);
    font-size: 0.9rem;
    margin-bottom: 5px;
}
.review-text {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* ==========================================
   11. NOTIFICACIONES EN TIEMPO REAL
   ========================================== */
.notifications-dropdown {
    position: relative;
    display: inline-block;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
    position: relative;
    padding: 5px;
    transition: transform 0.2s;
}

.btn-icon:hover {
    transform: scale(1.1);
}

.notification-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background: #ff4757;
    color: white;
    border-radius: 50%;
    padding: 2px 6px;
    font-size: 0.7rem;
    font-weight: bold;
    min-width: 18px;
    text-align: center;
    box-shadow: 0 0 5px rgba(255, 71, 87, 0.5);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 71, 87, 0.7); }
    70% { box-shadow: 0 0 0 5px rgba(255, 71, 87, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 71, 87, 0); }
}

.notifications-panel {
    display: none;
    position: absolute;
    top: 120%;
    right: 0;
    width: 320px;
    background: #0b0f19; /* Solid dark color instead of transparent --bg-card */
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.9); /* Stronger shadow for separation */
    z-index: 1000;
    overflow: hidden;
    /* backdrop-filter: blur(10px); Removed to avoid transparency issues */
}

.notifications-panel.active {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.notifications-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    background: rgba(0,0,0,0.2);
}

.notifications-header h4 {
    margin: 0;
    font-size: 1rem;
    font-family: var(--font-heading);
    color: var(--gold);
}

.btn-text {
    background: none;
    border: none;
    color: var(--cyan-neon);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 0;
}

.btn-text:hover {
    text-decoration: underline;
}

.notifications-list {
    max-height: 350px;
    overflow-y: auto;
}

.notification-item {
    padding: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    cursor: pointer;
    transition: background 0.2s;
    font-size: 0.9rem;
    line-height: 1.4;
    color: var(--text-light);
}

.notification-item:hover {
    background: rgba(255,255,255,0.05);
}

.notification-item.unread {
    background: rgba(0, 243, 255, 0.05);
    border-left: 3px solid var(--cyan-neon);
}

.notification-item.empty {
    text-align: center;
    color: var(--text-muted);
    padding: 30px 15px;
    cursor: default;
}

.notification-time {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 5px;
}

/* ==========================================================================
   RESPONSIVIDAD (MOBILE LAYOUT)
   ========================================================================== */
@media (max-width: 768px) {
    .navbar-content {
        padding: 0 5px;
        gap: 5px;
        height: auto;
        min-height: 70px;
    }
    
    .logo-text {
        display: none !important;
    }
    
    #global-currency-selector {
        padding: 4px 5px !important;
        font-size: 0.8rem !important;
    }
    
    .btn#btn-login {
        padding: 8px 10px !important;
        font-size: 0.85rem !important;
    }

    .btn-icon {
        font-size: 1.2rem;
        padding: 5px;
    }
    
    /* Fix para el título principal */
    h1 {
        font-size: 2rem !important;
    }
}