/* ========================================
   TECHSTORE NEON CYBERPUNK - CSS COMPLETO
   Archivo: presentation/styles.css
   ======================================== */

/* ========================================
   VARIABLES CSS
   ======================================== */
:root {
  /* Colores Neon */
  --neon-green: #00ff88;
  --neon-pink: #ff0080;
  --neon-cyan: #00d4ff;
  --neon-purple: #b400ff;
  --neon-yellow: #ffff00;
  
  /* Backgrounds */
  --dark-primary: #0a0e27;
  --dark-secondary: #1a1f3a;
  --dark-card: #151a30;
  --dark-overlay: rgba(10, 14, 39, 0.95);
  
  /* Grises */
  --gray-text: #a0aec0;
  --gray-border: #2d3748;
  --gray-light: #cbd5e0;
  
  /* Efectos Glow */
  --glow-green: 0 0 5px #00ff88, 0 0 10px #00ff88, 0 0 20px #00ff88;
  --glow-pink: 0 0 5px #ff0080, 0 0 10px #ff0080, 0 0 20px #ff0080;
  --glow-cyan: 0 0 5px #00d4ff, 0 0 10px #00d4ff, 0 0 20px #00d4ff;
  
  /* Gradientes */
  --gradient-neon: linear-gradient(135deg, #00ff88 0%, #00d4ff 50%, #ff0080 100%);
  --gradient-dark: linear-gradient(180deg, #0a0e27 0%, #1a1f3a 100%);
  
  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Tipografía */
  --font-main: 'Inter', 'Segoe UI', Tahoma, sans-serif;
  --font-display: 'Orbitron', 'Rajdhani', monospace;
  
  /* Espaciado */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
}

/* ========================================
   RESET & BASE
   ======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--dark-primary);
  color: var(--gray-text);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Background grid animado */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(var(--gray-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--gray-border) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.1;
  z-index: -1;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: translateY(0); }
  100% { transform: translateY(50px); }
}

img {
  max-width: 100%;
  display: block;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, textarea {
  font-family: inherit;
}

/* ========================================
   HEADER / NAVBAR
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--dark-overlay);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-border);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
}

.navbar {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--neon-green);
  text-shadow: var(--glow-green);
  text-decoration: none;
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo:hover {
  animation: glitch 0.3s ease;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-link {
  color: var(--gray-text);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-normal);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--neon-green);
  box-shadow: var(--glow-green);
  transition: var(--transition-normal);
  transform: translateX(-50%);
}

.nav-link:hover {
  color: var(--neon-green);
}

.nav-link:hover::after {
  width: 80%;
}

.cart-btn {
  position: relative;
  background: transparent;
  border: 2px solid var(--neon-cyan);
  color: var(--neon-cyan);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-normal);
}

.cart-btn:hover {
  background: var(--neon-cyan);
  color: var(--dark-primary);
  box-shadow: var(--glow-cyan);
}

.cart-count {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--neon-pink);
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  box-shadow: var(--glow-pink);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  margin-top: 80px;
  padding: var(--spacing-2xl) var(--spacing-md);
  background: var(--gradient-dark);
  border-bottom: 1px solid var(--gray-border);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 50%, rgba(0, 255, 136, 0.1) 0%, transparent 50%);
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.hero-content {
  max-width: 1400px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-title {
  padding: 30px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--neon-green);
  text-shadow: var(--glow-green);
  margin-bottom: var(--spacing-md);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.5rem);
  color: var(--gray-light);
  margin-bottom: var(--spacing-xl);
}

.countdown-container {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.countdown-item {
  background: var(--dark-card);
  border: 2px solid var(--neon-pink);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  min-width: 80px;
  box-shadow: 0 0 20px rgba(255, 0, 128, 0.3);
}

.countdown-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--neon-pink);
  text-shadow: var(--glow-pink);
  display: block;
}

.countdown-label {
  font-size: 0.75rem;
  color: var(--gray-text);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ========================================
   MAIN CONTAINER
   ======================================== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.main-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 1024px) {
  .main-layout {
    grid-template-columns: 280px 1fr;
  }
}

/* ========================================
   SIDEBAR FILTERS
   ======================================== */
.sidebar {
  background: var(--dark-card);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  height: fit-content;
  position: sticky;
  top: 100px;
}

.sidebar-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.filter-group {
  margin-bottom: var(--spacing-lg);
}

.filter-label {
  color: var(--gray-light);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  display: block;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.filter-select {
  width: 100%;
  padding: 0.75rem;
  background: var(--dark-secondary);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-md);
  color: var(--gray-text);
  font-size: 0.95rem;
  transition: var(--transition-normal);
}

.filter-select:focus {
  outline: none;
  border-color: var(--neon-green);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

.search-box {
  width: 100%;
  padding: 0.75rem;
  background: var(--dark-secondary);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-md);
  color: var(--gray-text);
  font-size: 0.95rem;
  transition: var(--transition-normal);
}

.search-box:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.search-box::placeholder {
  color: var(--gray-border);
}

/* ========================================
   PRODUCTS GRID
   ======================================== */
.products-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.products-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--neon-green);
  text-shadow: var(--glow-green);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.products-count {
  color: var(--gray-text);
  font-size: 0.9rem;
}

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

/* ========================================
   PRODUCT CARD
   ======================================== */
.product-card {
  background: var(--dark-card);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-normal);
  position: relative;
  cursor: pointer;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-neon);
  opacity: 0;
  transition: var(--transition-normal);
}

.product-card:hover {
  transform: translateY(-10px);
  border-color: var(--neon-green);
  box-shadow: 0 10px 40px rgba(0, 255, 136, 0.3);
}

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

.product-image-container {
  position: relative;
  width: 100%;
  height: 250px;
  background: var(--dark-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.product-card:hover .product-image {
  transform: scale(1.1);
}

.product-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--neon-pink);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  box-shadow: var(--glow-pink);
}

.product-info {
  padding: var(--spacing-md);
}

.product-category {
  color: var(--neon-cyan);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
  display: block;
}

.product-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gray-light);
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--spacing-sm);
}

.stars {
  color: var(--neon-yellow);
  font-size: 0.9rem;
}

.rating-count {
  color: var(--gray-text);
  font-size: 0.85rem;
}

.product-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--gray-border);
}

.product-price {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--neon-green);
  text-shadow: var(--glow-green);
}

.add-to-cart-btn {
  background: transparent;
  border: 2px solid var(--neon-green);
  color: var(--neon-green);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: var(--transition-normal);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 1px;
}

.add-to-cart-btn:hover {
  background: var(--neon-green);
  color: var(--dark-primary);
  box-shadow: var(--glow-green);
}

/* ========================================
   LOADING SPINNER
   ======================================== */
.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 400px;
}

.spinner {
  width: 60px;
  height: 60px;
  border: 4px solid var(--gray-border);
  border-top: 4px solid var(--neon-green);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  box-shadow: var(--glow-green);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ========================================
   CART MODAL
   ======================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 14, 39, 0.9);
  backdrop-filter: blur(5px);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  animation: fadeIn 0.3s ease;
}

.modal-overlay.active {
  display: flex;
}

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

.cart-modal {
  background: var(--dark-card);
  border: 2px solid var(--neon-cyan);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 0 50px rgba(0, 212, 255, 0.5);
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { 
    opacity: 0;
    transform: translateY(50px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

.cart-header {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--gray-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cart-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.close-modal {
  color: var(--gray-text);
  font-size: 1.5rem;
  transition: var(--transition-fast);
}

.close-modal:hover {
  color: var(--neon-pink);
  text-shadow: var(--glow-pink);
}

.cart-items {
  padding: var(--spacing-md);
}

.cart-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--dark-secondary);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
}

.cart-item-image {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.cart-item-info {
  flex: 1;
}

.cart-item-title {
  color: var(--gray-light);
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.cart-item-price {
  color: var(--neon-green);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.quantity-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.quantity-btn {
  background: var(--dark-primary);
  border: 1px solid var(--neon-green);
  color: var(--neon-green);
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.quantity-btn:hover {
  background: var(--neon-green);
  color: var(--dark-primary);
}

.quantity {
  color: var(--gray-light);
  min-width: 30px;
  text-align: center;
  font-weight: 600;
}

.remove-item {
  color: var(--neon-pink);
  font-size: 1.2rem;
  transition: var(--transition-fast);
}

.remove-item:hover {
  text-shadow: var(--glow-pink);
  transform: scale(1.2);
}

.cart-footer {
  padding: var(--spacing-md);
  border-top: 2px solid var(--gray-border);
}

.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
  font-weight: 700;
}

.cart-total-label {
  color: var(--gray-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.cart-total-value {
  font-family: var(--font-display);
  color: var(--neon-green);
  text-shadow: var(--glow-green);
  font-size: 1.75rem;
}

.checkout-btn {
  width: 100%;
  background: var(--neon-green);
  color: var(--dark-primary);
  padding: 1rem;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: var(--transition-normal);
  box-shadow: var(--glow-green);
}

.checkout-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 255, 136, 0.5);
}

.empty-cart {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--gray-text);
}

.empty-cart-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.3;
}

/* ========================================
   TOAST NOTIFICATIONS
   ======================================== */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--dark-card);
  border: 2px solid var(--neon-green);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: 0 10px 40px rgba(0, 255, 136, 0.4);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  z-index: 3000;
  animation: slideInRight 0.3s ease;
  min-width: 300px;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast-icon {
  color: var(--neon-green);
  font-size: 1.5rem;
  text-shadow: var(--glow-green);
}

.toast-message {
  color: var(--gray-light);
  font-weight: 600;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--dark-secondary);
  border-top: 1px solid var(--gray-border);
  padding: var(--spacing-xl) var(--spacing-md);
  margin-top: var(--spacing-2xl);
  text-align: center;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  text-align: center;
}

.footer-text {
  color: var(--gray-text);
  font-size: 0.9rem;
}

.footer-link {
  color: var(--neon-cyan);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-link:hover {
  text-shadow: var(--glow-cyan);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

/* ========================================
   ANIMACIONES ADICIONALES
   ======================================== */
@keyframes glitch {
  0% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
  100% { transform: translate(0); }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
  
  .countdown-container {
    flex-wrap: wrap;
  }
  
  .sidebar {
    position: static;
  }
}
  /* ========================================
   ESTILOS ADICIONALES PARA BOOTSTRAP
   Agregar al final de presentation/styles.css
   ======================================== */

/* ========================================
   SECCIÓN DE CATEGORÍAS
   ======================================== */
.categories-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: var(--dark-secondary);
    border-top: 1px solid var(--gray-border);
    border-bottom: 1px solid var(--gray-border);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    color: var(--neon-green);
    text-shadow: var(--glow-green);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.section-title i {
    color: var(--neon-cyan);
    text-shadow: var(--glow-cyan);
}

.category-card {
    background: var(--dark-card);
    border: 2px solid var(--gray-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-neon);
    opacity: 0;
    transition: var(--transition-normal);
}

.category-card:hover {
    border-color: var(--neon-green);
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 255, 136, 0.4);
}

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

.category-icon {
    font-size: 3.5rem;
    color: var(--neon-cyan);
    text-shadow: var(--glow-cyan);
    margin-bottom: var(--spacing-md);
    transition: var(--transition-normal);
}

.category-card:hover .category-icon {
    transform: scale(1.2) rotate(5deg);
    color: var(--neon-green);
    text-shadow: var(--glow-green);
}

.category-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--gray-light);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.category-description {
    font-size: 0.9rem;
    color: var(--gray-text);
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
}

.category-count {
    font-size: 0.85rem;
    color: var(--neon-pink);
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 0, 128, 0.1);
    border-radius: var(--radius-sm);
    display: inline-block;
}

/* ========================================
   SECCIÓN DE OFERTAS DEL DÍA
   ======================================== */
.deals-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: var(--dark-primary);
}

.deal-card {
    background: var(--dark-card);
    border: 2px solid var(--gray-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.deal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-neon);
    opacity: 0;
    transition: var(--transition-normal);
}

.deal-card:hover {
    transform: translateY(-8px);
    border-color: var(--neon-pink);
    box-shadow: 0 12px 35px rgba(255, 0, 128, 0.4);
}

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

.deal-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--neon-pink);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: var(--glow-pink);
    z-index: 10;
    animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.deal-image-container {
    position: relative;
    width: 100%;
    height: 200px;
    background: var(--dark-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.deal-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.deal-card:hover .deal-image {
    transform: scale(1.15);
}

.deal-body {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.deal-category {
    color: var(--neon-cyan);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.deal-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-light);
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
    min-height: 2.8em;
}

.deal-prices {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.deal-price-original {
    font-size: 0.9rem;
    color: var(--gray-text);
    text-decoration: line-through;
}

.deal-price-current {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--neon-green);
    text-shadow: var(--glow-green);
}

.deal-timer {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--neon-pink);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    padding: 0.5rem;
    background: rgba(255, 0, 128, 0.1);
    border-radius: var(--radius-sm);
}

.deal-timer i {
    font-size: 1rem;
}

.deal-btn {
    width: 100%;
    background: transparent;
    border: 2px solid var(--neon-green);
    color: var(--neon-green);
    padding: 0.75rem;
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-normal);
    margin-top: auto;
}

.deal-btn:hover {
    background: var(--neon-green);
    color: var(--dark-primary);
    box-shadow: var(--glow-green);
    transform: translateY(-2px);
}

/* ========================================
   PERSONALIZACIÓN DE BOOTSTRAP
   ======================================== */

/* Bootstrap Containers */
.container {
    max-width: 1400px;
}

/* Bootstrap Text Utilities con Neon */
.text-muted {
    color: var(--gray-text) !important;
}

/* Bootstrap Spinner Neon */
.spinner-border {
    border-color: var(--neon-green);
    border-right-color: transparent;
}

/* Bootstrap Grid Gaps */
.g-4 {
    --bs-gutter-x: 1.5rem;
    --bs-gutter-y: 1.5rem;
}

/* ========================================
   RESPONSIVE AJUSTES
   ======================================== */
@media (max-width: 768px) {
    .categories-section,
    .deals-section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .section-title {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-md);
    }
    
    .category-card {
        padding: var(--spacing-md);
    }
    
    .category-icon {
        font-size: 2.5rem;
    }
    
    .deal-image-container {
        height: 180px;
    }
}

@media (max-width: 576px) {
    .category-card {
        padding: var(--spacing-sm);
    }
    
    .deal-body {
        padding: var(--spacing-sm);
    }
    
    .section-title {
        font-size: 1.25rem;
        letter-spacing: 2px;
    }
    
    .category-icon {
        font-size: 2rem;
    }
    
    .category-title {
        font-size: 1rem;
    }
}

/* ========================================
   ANIMACIONES ADICIONALES
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.category-card,
.deal-card {
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

/* Delay en animaciones para efecto cascada */
.category-card:nth-child(1) { animation-delay: 0.1s; }
.category-card:nth-child(2) { animation-delay: 0.2s; }
.category-card:nth-child(3) { animation-delay: 0.3s; }
.category-card:nth-child(4) { animation-delay: 0.4s; }

.deal-card:nth-child(1) { animation-delay: 0.1s; }
.deal-card:nth-child(2) { animation-delay: 0.2s; }
.deal-card:nth-child(3) { animation-delay: 0.3s; }
.deal-card:nth-child(4) { animation-delay: 0.4s; }
.deal-card:nth-child(5) { animation-delay: 0.5s; }
.deal-card:nth-child(6) { animation-delay: 0.6s; }
/* ========================================
   TOAST NOTIFICATION - CORREGIDO
   ======================================== */

/* Toast container */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--dark-card);
    border: 2px solid var(--neon-green);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: 0 10px 40px rgba(0, 255, 136, 0.4);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    z-index: 3000;
    min-width: 300px;
    /* IMPORTANTE: Opacidad y visibilidad inicial */
    opacity: 0;
    visibility: hidden;
    transform: translateX(400px);
    transition: all 0.3s ease;
}

/* Estado visible del toast */
.toast.show {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateX(0) !important;
}

/* Clase hidden NO interfiere con show */
.toast.hidden {
    opacity: 0;
    visibility: hidden;
    transform: translateX(400px);
}

.toast-icon {
    color: var(--neon-green);
    font-size: 1.5rem;
    text-shadow: var(--glow-green);
    flex-shrink: 0;
}

.toast-message {
    color: var(--gray-light);
    font-weight: 600;
    line-height: 1.4;
}

/* Variantes de color del toast */
.toast.toast-error {
    border-color: var(--neon-pink);
    box-shadow: 0 10px 40px rgba(255, 0, 128, 0.4);
}

.toast.toast-error .toast-icon {
    color: var(--neon-pink);
    text-shadow: var(--glow-pink);
}

.toast.toast-info {
    border-color: var(--neon-cyan);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.4);
}

.toast.toast-info .toast-icon {
    color: var(--neon-cyan);
    text-shadow: var(--glow-cyan);
}

.toast.toast-success {
    border-color: var(--neon-green);
    box-shadow: 0 10px 40px rgba(0, 255, 136, 0.4);
}

.toast.toast-success .toast-icon {
    color: var(--neon-green);
    text-shadow: var(--glow-green);
}

/* Animaciones del toast */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(400px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOutRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(400px);
    }
}

/* Responsive del toast */
@media (max-width: 576px) {
    .toast {
        bottom: 20px;
        right: 20px;
        left: 20px;
        min-width: auto;
        width: auto;
    }
}