/* ===== HEADER CSS ULTRA RESPONSIVE PARA INFOMASTER v4.0 - SEPARADO ===== */

/* ===== VARIABLES CSS PRINCIPALES ===== */
:root {
  /* Variables de header */
  --header-height: 70px;
  --header-height-mobile: 60px;
  --header-height-scrolled: 55px;
  
  /* Gradientes principales */
  --gradient-main: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
  --gradient-accent: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  
  /* Variables de tema claro */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  --header-bg: rgba(255, 255, 255, 0.95);
  --nav-bg: #ffffff;
  --card-bg: #ffffff;
  --input-bg: #ffffff;
  --shadow-light: rgba(0, 0, 0, 0.1);
  --shadow-medium: rgba(0, 0, 0, 0.15);
  --overlay-light: rgba(255, 255, 255, 0.1);
  --overlay-medium: rgba(255, 255, 255, 0.2);
  
  /* Efectos y transiciones */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.1);
  --shadow-strong: 0 8px 32px rgba(0, 0, 0, 0.2);
  --glow-primary: 0 0 30px rgba(99, 102, 241, 0.4);
  --glow-accent: 0 0 25px rgba(16, 185, 129, 0.4);
}

/* Variables de tema oscuro */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: #334155;
  --border-light: #475569;
  --header-bg: rgba(15, 23, 42, 0.95);
  --nav-bg: #1e293b;
  --card-bg: #1e293b;
  --input-bg: #334155;
  --shadow-light: rgba(0, 0, 0, 0.3);
  --shadow-medium: rgba(0, 0, 0, 0.4);
  --overlay-light: rgba(255, 255, 255, 0.05);
  --overlay-medium: rgba(255, 255, 255, 0.1);
}

/* ===== HEADER PRINCIPAL ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--header-bg);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-smooth);
  padding: 0.75rem 0;
  box-shadow: var(--shadow-soft);
  height: var(--header-height);
  display: flex;
  align-items: center;
  width: 100%;
  overflow: visible;
  visibility: hidden;
}

.header.loaded {
  visibility: visible;
}

/* Efecto de brillo sutil en el header */
.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(99, 102, 241, 0.5) 25%, 
    rgba(139, 92, 246, 0.5) 50%, 
    rgba(6, 182, 212, 0.5) 75%, 
    transparent 100%);
  opacity: 0.6;
}

.header.scrolled {
  background: var(--header-bg);
  backdrop-filter: blur(35px);
  -webkit-backdrop-filter: blur(35px);
  padding: 0.5rem 0;
  box-shadow: var(--shadow-strong);
  height: var(--header-height-scrolled);
  transform: translateY(-2px);
}

/* ===== CONTENEDOR PRINCIPAL ===== */
.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 1rem;
  gap: 1rem;
  width: 100%;
  height: 100%;
  position: relative;
  overflow: visible;
  flex-wrap: nowrap;
}

/* ===== LOGO ===== */
.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition-bounce);
  position: relative;
  z-index: 10;
  flex-shrink: 0;
  min-width: fit-content;
}

.logo:hover {
  transform: translateY(-3px) scale(1.03);
}

.logo-img {
  width: 40px;
  height: 40px;
  background: var(--gradient-accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glow-accent);
  transition: var(--transition-bounce);
  position: relative;
  overflow: hidden;
}

.logo-img::before {
  content: '▶';
  font-size: 18px;
  color: #fff;
  position: relative;
  z-index: 2;
  transition: var(--transition-smooth);
}

.logo-img::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
  transform: rotate(-45deg);
  transition: all 0.8s ease;
  opacity: 0;
}

.logo:hover .logo-img {
  transform: scale(1.15) rotate(8deg);
  box-shadow: 0 0 40px rgba(16, 185, 129, 0.7);
  animation: logoGlow 2s ease-in-out infinite alternate;
}

.logo:hover .logo-img::before {
  transform: scale(1.1);
}

.logo:hover .logo-img::after {
  opacity: 1;
  transform: rotate(45deg) translate(50%, 50%);
  animation: shimmer 1.5s ease-in-out;
}

@keyframes logoGlow {
  0% { box-shadow: 0 0 40px rgba(16, 185, 129, 0.7); }
  100% { box-shadow: 0 0 60px rgba(16, 185, 129, 0.9); }
}

@keyframes shimmer {
  0% { transform: translateX(-100%) rotate(-45deg); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translateX(200%) rotate(-45deg); opacity: 0; }
}

.logo-text {
  font-size: 20px;
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
  position: relative;
}

/* Efecto de typing en el logo */
.logo-text::after {
  content: '';
  position: absolute;
  right: -2px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: #10b981;
  animation: blink 1.5s infinite;
  opacity: 0;
}

.logo:hover .logo-text::after {
  opacity: 1;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* ===== BÚSQUEDA ===== */
.search-section {
  flex: 1;
  max-width: 400px;
  position: relative;
  margin: 0 0.5rem;
  min-width: 200px;
}

.search-container {
  background: var(--overlay-light);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 50px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: var(--transition-smooth);
  position: relative;
  box-shadow: inset 0 1px 0 var(--overlay-light);
}

/* Efecto de onda en focus */
.search-container::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.search-container:focus-within {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--glow-primary);
  border-color: rgba(99, 102, 241, 0.6);
}

.search-container:focus-within::before {
  width: 200%;
  height: 200%;
}

.search-form {
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1;
}

.search-input {
  flex: 1;
  padding: 0.75rem 1rem;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.search-input::placeholder {
  color: var(--text-muted);
  font-style: italic;
  transition: var(--transition-smooth);
}

.search-input:focus {
  transform: scale(1.02);
}

.search-input:focus::placeholder {
  color: var(--text-muted);
  transform: translateX(10px);
  opacity: 0.7;
}

/* Botón de búsqueda mejorado */
.search-btn {
  background: var(--gradient-main);
  border: none;
  padding: 0.75rem 1rem;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 13px;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
  border-radius: 0 50px 50px 0;
  min-width: 90px;
  justify-content: center;
}

.search-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: all 0.6s ease;
}

.search-btn:hover {
  transform: translateX(-2px) scale(1.05);
  background: linear-gradient(135deg, #5b5fef 0%, #8b5cf6 50%, #06b6d4 100%);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

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

.search-btn:active {
  transform: translateX(-2px) scale(0.98);
}

.search-btn span {
  margin-left: 0.3rem;
}

/* ===== NAVEGACIÓN ===== */
.nav {
  display: flex;
  gap: 0.25rem;
  align-items: center;
  position: relative;
  z-index: 1001;
  overflow: visible;
  flex-shrink: 1;
}

.nav-item {
  position: relative;
  overflow: visible;
}

.nav-link {
  padding: 0.6rem 0.8rem;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  border-radius: 16px;
  background: var(--overlay-light);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid var(--border-color);
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 12px;
  white-space: nowrap;
  position: relative;
  overflow: visible;
  will-change: transform;
  cursor: pointer;
}

/* Efecto de partículas en hover */
.nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%, 
    var(--overlay-light) 25%, 
    var(--overlay-medium) 50%, 
    var(--overlay-light) 75%, 
    transparent 100%);
  transition: all 0.8s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-main);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateX(-50%);
}

.nav-link:hover {
  background: var(--overlay-medium);
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-soft);
  border-color: var(--border-light);
  color: #10b981;
}

.nav-link:hover::before {
  left: 100%;
}

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

.nav-link.active {
  background: rgba(99, 102, 241, 0.2);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: var(--glow-primary);
  color: #6366f1;
}

.nav-link.active::after {
  width: 90%;
  background: linear-gradient(90deg, #6366f1, #8b5cf6);
}

.nav-link i {
  font-size: 13px;
  opacity: 0.9;
  transition: var(--transition-smooth);
}

.nav-link:hover i {
  transform: scale(1.1) rotate(5deg);
}

/* Mejorar el indicador de chevron */
.nav-link .fa-chevron-down {
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  margin-left: 0.3rem;
  font-size: 0.6em;
  opacity: 0.7;
}

.nav-item:hover .fa-chevron-down {
  transform: rotate(180deg);
  opacity: 1;
  color: #10b981;
}

/* ===== DROPDOWNS ===== */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(-15px) scale(0.9);
  min-width: 280px;
  background: var(--nav-bg);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-strong);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 1rem;
  z-index: 1002;
  pointer-events: none;
  overflow: visible;
}

/* Flecha mejorada del dropdown */
.dropdown-menu::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 12px;
  height: 12px;
  background: var(--nav-bg);
  border: 1px solid var(--border-color);
  border-bottom: none;
  border-right: none;
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  box-shadow: -1px -1px 0 var(--overlay-light);
}

/* ESTADO ACTIVO DEL DROPDOWN */
.nav-item:hover .dropdown-menu {
  opacity: 1 !important;
  visibility: visible !important;
  transform: translateX(-50%) translateY(0) scale(1) !important;
  pointer-events: auto !important;
}

/* Mantener dropdown visible cuando el cursor está sobre él */
.dropdown-menu:hover {
  opacity: 1 !important;
  visibility: visible !important;
  transform: translateX(-50%) translateY(0) scale(1) !important;
  pointer-events: auto !important;
}

/* Asegurar que el nav-item mantenga el z-index cuando hover */
.nav-item:hover {
  z-index: 1003;
}

/* Contenido del dropdown */
.dropdown-content {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

/* ===== ELEMENTOS DEL DROPDOWN ===== */
.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 1rem;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: 10px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--overlay-light);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
  font-weight: 500;
  font-size: 13px;
  will-change: transform;
}

/* Efecto de brillo en hover */
.dropdown-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%, 
    var(--overlay-light) 50%, 
    transparent 100%);
  transition: all 0.6s ease;
}

.dropdown-item:hover::before {
  left: 100%;
}

/* Efectos en hover */
.dropdown-item:hover {
  background: var(--overlay-medium);
  transform: translateX(6px) scale(1.02);
  border-color: var(--border-light);
  box-shadow: var(--shadow-soft);
  color: #10b981;
}

/* Efecto en los iconos */
.dropdown-item i {
  width: 16px;
  text-align: center;
  opacity: 0.8;
  transition: all 0.3s ease;
  font-size: 14px;
}

.dropdown-item:hover i {
  opacity: 1;
  transform: scale(1.1) rotate(5deg);
  color: #10b981;
}

/* Estados activos */
.dropdown-item.active,
.dropdown-item:focus {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
  transform: translateX(6px) scale(1.02);
}

/* Efecto de aparición escalonada cuando se abre el dropdown */
.nav-item:hover .dropdown-item {
  animation: slideInLeft 0.4s ease-out forwards;
  opacity: 0;
  transform: translateX(-20px);
}

.nav-item:hover .dropdown-item:nth-child(1) { animation-delay: 0.05s; }
.nav-item:hover .dropdown-item:nth-child(2) { animation-delay: 0.1s; }
.nav-item:hover .dropdown-item:nth-child(3) { animation-delay: 0.15s; }
.nav-item:hover .dropdown-item:nth-child(4) { animation-delay: 0.2s; }
.nav-item:hover .dropdown-item:nth-child(5) { animation-delay: 0.25s; }
.nav-item:hover .dropdown-item:nth-child(6) { animation-delay: 0.3s; }
.nav-item:hover .dropdown-item:nth-child(7) { animation-delay: 0.35s; }

@keyframes slideInLeft {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ===== MENÚ DE USUARIO ===== */
.user-menu {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  position: relative;
  z-index: 1001;
}

/* ===== BOTÓN MODO OSCURO ===== */
.theme-toggle {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 44px !important;
  height: 44px !important;
  border: none !important;
  border-radius: 12px !important;
  background: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
  cursor: pointer !important;
  transition: var(--transition-smooth) !important;
  position: relative !important;
  overflow: hidden !important;
  border: 1px solid var(--border-color) !important;
  margin-left: 0.5rem !important;
}

.theme-toggle:hover {
  background: var(--border-color) !important;
  transform: translateY(-2px) !important;
  box-shadow: var(--shadow-soft) !important;
}

.theme-toggle i {
  font-size: 1.2rem !important;
  transition: var(--transition-smooth) !important;
}

.theme-toggle .fa-sun {
  color: #f59e0b !important;
}

.theme-toggle .fa-moon {
  color: #6366f1 !important;
}

/* Animación del icono */
.theme-toggle:not(.transitioning) i {
  transform: rotate(0deg) !important;
}

.theme-toggle.transitioning i {
  transform: rotate(360deg) !important;
}

/* ===== PANEL VIP ===== */
.panel-vip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--gradient-warning);
  color: #1a1a1a !important;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 215, 0, 0.5);
}

.panel-vip:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 25px rgba(255, 215, 0, 0.5);
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.panel-vip i {
  font-size: 1.1rem;
  color: #d4af37;
  animation: crownGlow 2s ease-in-out infinite alternate;
}

@keyframes crownGlow {
  0% { filter: drop-shadow(0 0 2px #d4af37); }
  100% { filter: drop-shadow(0 0 8px #d4af37); }
}

/* ===== WALLET Y CART ===== */
.wallet,
.cart {
  padding: 0.6rem 0.8rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  position: relative;
  box-shadow: var(--shadow-soft);
  transition: var(--transition-bounce);
  font-size: 12px;
  letter-spacing: 0.3px;
  overflow: hidden;
  will-change: transform;
  border: 1px solid var(--border-color);
}

/* Efecto de ondas en botones */
.wallet::before,
.cart::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: var(--overlay-medium);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.6s ease;
}

.wallet:hover,
.cart:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: var(--shadow-strong);
  background: var(--gradient-accent);
  color: #fff;
  border-color: transparent;
}

.wallet:hover::before,
.cart:hover::before {
  width: 300%;
  height: 300%;
}

.cart-count {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--gradient-danger);
  color: #fff;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 800;
  animation: pulse 2s infinite;
  border: 2px solid var(--bg-primary);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.5);
}

.cart-count.hidden {
  display: none;
}

@keyframes pulse {
  0%, 100% { 
    transform: scale(1); 
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.5);
  }
  50% { 
    transform: scale(1.2); 
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.8);
  }
}

/* ===== BOTONES GENERALES ===== */
.user-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn {
  padding: 0.6rem 0.8rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  border: 1px solid var(--border-color);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition-smooth);
  font-size: 12px;
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
  will-change: transform;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--overlay-light), transparent);
  transition: all 0.8s ease;
}

.btn:hover {
  background: var(--overlay-medium);
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-soft);
  border-color: var(--border-light);
}

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

.btn-primary {
  background: var(--gradient-main);
  border-color: transparent;
  box-shadow: var(--glow-primary);
  color: #fff;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #5b5fef 0%, #8b5cf6 50%, #06b6d4 100%);
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.6);
}

/* Efecto de loading en botones */
.btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* ===== MOBILE TOGGLE ===== */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: 0.6rem;
  background: var(--bg-secondary);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.mobile-toggle::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-main);
  opacity: 0;
  transition: var(--transition-smooth);
}

.mobile-toggle:hover {
  background: var(--overlay-medium);
  transform: scale(1.05);
  border-color: var(--border-light);
}

.mobile-toggle:hover::before {
  opacity: 0.1;
}

.mobile-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: var(--transition-bounce);
  position: relative;
  z-index: 1;
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(-30px) scale(0);
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== SEPARADORES Y ELEMENTOS ESPECIALES ===== */
.dropdown-separator {
  height: 1px;
  background: var(--border-color);
  margin: 0.5rem 0;
}

.logout-item {
  color: #ef4444 !important;
}

.logout-item:hover {
  background: rgba(239, 68, 68, 0.1) !important;
  border-color: rgba(239, 68, 68, 0.3) !important;
}

.admin-item {
  border-left: 3px solid #10b981;
  background: rgba(16, 185, 129, 0.05);
}

.admin-item:hover {
  background: rgba(16, 185, 129, 0.1) !important;
}

/* ===== ESPACIADOR DEL HEADER ===== */
.header-spacer {
  height: var(--header-height);
  flex-shrink: 0;
}

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

/* MÓVIL (hasta 768px) */
@media (max-width: 768px) {
  .header {
    height: auto;
    min-height: var(--header-height-mobile);
    padding: 0.5rem 0;
  }
  
  .header-container {
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    position: relative;
  }
  
  .logo {
    order: 1;
    flex: 0 0 auto;
  }
  
  .logo-img {
    width: 32px;
    height: 32px;
  }
  
  .logo-img::before {
    font-size: 16px;
  }
  
  .logo-text {
    font-size: 16px;
  }
  
  .user-menu {
    order: 3;
    flex: 0 0 auto;
    gap: 0.3rem;
  }
  
  .mobile-toggle {
    display: flex !important;
    order: 4;
    flex: 0 0 auto;
    padding: 0.5rem;
    margin-left: 0.5rem;
  }
  
  .search-section {
    order: 2;
    width: 100%;
    max-width: none;
    margin: 0;
    flex: none;
  }
  
  .nav {
    order: 5;
    display: none !important;
    width: 100%;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border-top: 1px solid var(--border-color);
    box-shadow: var(--shadow-strong);
    z-index: 1001;
    padding: 1rem;
    flex-direction: column;
    gap: 0.5rem;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
  }
  
  .nav.active {
    display: flex !important;
  }
  
  .search-input {
    padding: 0.6rem 0.8rem;
    font-size: 14px;
  }
  
  .search-btn {
    padding: 0.6rem 0.8rem;
    min-width: 70px;
    font-size: 12px;
  }
  
  .search-btn span {
    display: none;
  }
  
  .nav-link {
    width: 100%;
    justify-content: flex-start;
    padding: 0.8rem 1rem;
    font-size: 14px;
    border-radius: 12px;
    margin-bottom: 0.3rem;
  }
  
  .nav-link span {
    display: inline !important;
  }
  
  .nav-link i {
    width: 20px;
    text-align: center;
  }
  
  .dropdown-menu {
    position: static !important;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    min-width: 100% !important;
    margin-top: 0.5rem !important;
    display: none !important;
    pointer-events: auto !important;
    padding: 0.8rem !important;
    background: var(--bg-tertiary) !important;
    border: 1px solid var(--border-light) !important;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1) !important;
  }
  
  .dropdown-menu::before {
    display: none !important;
  }
  
  .nav-item.mobile-open .dropdown-menu {
    display: block !important;
  }
  
  .dropdown-item {
    padding: 0.8rem;
    font-size: 13px;
    margin-bottom: 0.2rem;
    border-radius: 8px;
  }
  
  .dropdown-item:hover {
    transform: translateX(4px) scale(1.01);
  }
  
  .theme-toggle {
    width: 32px !important;
    height: 32px !important;
  }
  
  .theme-toggle i {
    font-size: 1rem !important;
  }
  
  .btn,
  .wallet,
  .cart {
    padding: 0.5rem 0.7rem;
    font-size: 11px;
    min-height: 32px;
  }
  
  .btn span,
  .wallet span,
  .cart span {
    display: none;
  }
  
  .panel-vip span {
    display: none;
  }
  
  .panel-vip {
    padding: 0.5rem;
    min-width: 32px;
    justify-content: center;
  }
  
  .cart-count {
    width: 16px;
    height: 16px;
    font-size: 8px;
    top: -4px;
    right: -4px;
  }
  
  .mobile-toggle span {
    width: 18px;
    height: 2px;
  }
  
  .header-spacer {
    height: auto;
    min-height: calc(var(--header-height-mobile) + 60px);
  }
  
  body.mobile-menu-open {
    overflow: hidden;
    height: 100vh;
  }
}

/* MÓVIL PEQUEÑO (hasta 480px) */
@media (max-width: 480px) {
  .header-container {
    padding: 0.4rem 0.5rem;
  }
  
  .logo-img {
    width: 28px;
    height: 28px;
  }
  
  .logo-img::before {
    font-size: 14px;
  }
  
  .logo-text {
    font-size: 14px;
  }
  
  .search-input {
    padding: 0.5rem 0.7rem;
    font-size: 13px;
  }
  
  .search-btn {
    padding: 0.5rem 0.6rem;
    min-width: 60px;
  }
  
  .btn,
  .wallet,
  .cart,
  .theme-toggle {
    padding: 0.4rem 0.6rem;
    font-size: 10px;
    min-height: 28px;
  }
  
  .theme-toggle {
    width: 28px !important;
    height: 28px !important;
  }
  
  .theme-toggle i {
    font-size: 0.9rem !important;
  }
  
  .mobile-toggle {
    padding: 0.4rem;
  }
  
  .mobile-toggle span {
    width: 16px;
    height: 2px;
  }
  
  .nav {
    padding: 0.8rem;
  }
  
  .nav-link {
    padding: 0.7rem;
    font-size: 13px;
  }
  
  .dropdown-item {
    padding: 0.7rem;
    font-size: 12px;
  }
}

/* TABLET (769px - 991px) */
@media (max-width: 991px) and (min-width: 769px) {
  .header-container {
    gap: 0.75rem;
    padding: 0 1rem;
  }
  
  .search-section {
    max-width: 280px;
    margin: 0 0.3rem;
  }
  
  .nav-link span {
    display: none;
  }
  
  .nav-link {
    padding: 0.5rem;
    min-width: 36px;
    justify-content: center;
    font-size: 14px;
  }
  
  .nav-link i {
    margin: 0;
  }
  
  .btn span,
  .wallet span,
  .cart span {
    display: none;
  }
  
  .btn,
  .wallet,
  .cart {
    padding: 0.5rem;
    min-width: 36px;
    justify-content: center;
  }
  
  .theme-toggle {
    width: 36px !important;
    height: 36px !important;
  }
  
  .panel-vip span {
    display: none;
  }
  
  .panel-vip {
    padding: 0.5rem;
    min-width: 36px;
    justify-content: center;
  }
  
  .dropdown-menu {
    min-width: 220px;
    padding: 0.8rem;
  }
}

/* LAPTOP (992px - 1199px) */
@media (max-width: 1199px) and (min-width: 992px) {
  .header-container {
    gap: 1rem;
    padding: 0 1rem;
  }
  
  .search-section {
    max-width: 320px;
    margin: 0 0.5rem;
  }
  
  .nav {
    gap: 0.2rem;
  }
  
  .nav-link {
    padding: 0.55rem 0.75rem;
    font-size: 11px;
  }
  
  .btn,
  .wallet,
  .cart {
    padding: 0.55rem 0.75rem;
    font-size: 11px;
  }
  
  .theme-toggle {
    width: 40px !important;
    height: 40px !important;
  }
  
  .logo-text {
    font-size: 18px;
  }
  
  .logo-img {
    width: 36px;
    height: 36px;
  }
  
  .dropdown-menu {
    min-width: 240px;
    padding: 0.8rem;
  }
}

/* DESKTOP GRANDE (1200px - 1399px) */
@media (max-width: 1399px) and (min-width: 1200px) {
  .header-container {
    gap: 1.2rem;
    padding: 0 1.5rem;
  }
  
  .search-section {
    max-width: 380px;
  }
  
  .nav-link {
    padding: 0.65rem 0.9rem;
    font-size: 12px;
  }
  
  .dropdown-menu {
    min-width: 260px;
  }
}

/* DESKTOP EXTRA GRANDE (1400px+) */
@media (min-width: 1400px) {
  .header-container {
    padding: 0 2rem;
    gap: 1.5rem;
    max-width: 1800px;
  }
  
  .search-section {
    max-width: 500px;
    margin: 0 1rem;
  }
  
  .nav {
    gap: 0.5rem;
  }
  
  .nav-link {
    padding: 0.7rem 1rem;
    font-size: 13px;
  }
  
  .btn,
  .wallet,
  .cart {
    padding: 0.7rem 1rem;
    font-size: 13px;
  }
  
  .theme-toggle {
    width: 48px !important;
    height: 48px !important;
  }
  
  .logo-text {
    font-size: 22px;
  }
  
  .logo-img {
    width: 44px;
    height: 44px;
  }
}

/* ===== MEJORAS DE ACCESIBILIDAD ===== */
.nav-link:focus,
.btn:focus,
.search-input:focus,
.mobile-toggle:focus,
.theme-toggle:focus {
  outline: 2px solid #10b981;
  outline-offset: 2px;
}

.dropdown-item:focus {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.3);
  outline: none;
}

/* ===== OPTIMIZACIÓN DE RENDIMIENTO ===== */
.header {
  contain: layout style;
  will-change: transform, background-color;
}

.nav-link,
.btn,
.wallet,
.cart,
.theme-toggle {
  will-change: transform;
}

/* ===== ESTADOS ESPECÍFICOS ===== */
.nav-link[aria-current="page"] {
  background: rgba(99, 102, 241, 0.25);
  border-color: rgba(99, 102, 241, 0.5);
  box-shadow: var(--glow-primary);
  color: #6366f1;
}

.nav-link[aria-current="page"]::after {
  width: 100%;
  background: var(--gradient-main);
}

/* ===== ANIMACIONES ADICIONALES ===== */
@keyframes walletPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.wallet.updated {
  animation: walletPulse 0.6s ease-out;
}

/* ===== CORRECCIONES FINALES CRÍTICAS ===== */
.nav-item,
.nav,
.header-container,
.header {
  overflow: visible !important;
}

.nav-item:hover,
.nav-item:focus-within {
  z-index: 1003;
}

.nav-item:hover .dropdown-menu,
.nav-item:focus-within .dropdown-menu {
  display: block !important;
  opacity: 1 !important;
  visibility: visible !important;
  transform: translateX(-50%) translateY(0) scale(1) !important;
  pointer-events: auto !important;
}

/* Área extendida de hover para mejor UX */
.nav-item::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 10px;
  background: transparent;
  z-index: 1001;
}

@media (max-width: 768px) {
  .nav-item::after {
    display: none;
  }
}

/* Evitar que el dropdown se cierre demasiado rápido */
.dropdown-menu {
  transition-delay: 0s;
}

.nav-item:not(:hover) .dropdown-menu {
  transition-delay: 0.15s;
}

/* ===== SOPORTE PARA DISPOSITIVOS TÁCTILES ===== */
@media (hover: none) and (pointer: coarse) {
  .nav-link:hover,
  .btn:hover,
  .wallet:hover,
  .cart:hover,
  .dropdown-item:hover {
    transform: none;
  }
  
  .nav-link:active,
  .btn:active,
  .wallet:active,
  .cart:active,
  .dropdown-item:active {
    transform: scale(0.98);
  }
}

/* ===== REDUCIR MOVIMIENTO PARA ACCESIBILIDAD ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .header {
    animation: none;
  }

  .logo:hover,
  .nav-link:hover,
  .btn:hover,
  .wallet:hover,
  .cart:hover {
    transform: none;
  }
}

/* ===== HIGH DPI DISPLAYS ===== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .logo-img::before {
    font-size: 17px;
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  .header {
    display: none;
  }
  
  .header-spacer {
    display: none;
  }
}