/* =============================================
   VARIABLES Y CONFIGURACIÓN GLOBAL
   ============================================= */
:root {
  /* Colores principales */
  --primary: #10b981;
  --primary-dark: #059669;
  --primary-light: #34d399;
  /* Agregando variable faltante que causa errores en el sistema */
  --primary-color: #10b981;

  /* Colores neutros */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Colores de estado */
  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;

  /* Colores de fondo */
  --bg-light: #f0fdf4;
  --bg-card: #ffffff;
  --border-color: #e5e7eb;

  /* PWA Orange */
  --pwa-orange: #f39c12;
  --pwa-orange-dark: #e67e22;

  /* Tipografía */
  --font-family: "Poppins", -apple-system, BlinkMacSystemFont, sans-serif;

  /* Espaciado */
  --header-height: 80px;
  --header-height-scrolled: 70px;

  /* Sombras */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

  /* Bordes */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transiciones */
  --transition: all 0.3s ease;

  /* Variables para responsive */
  --content-max-width: 1200px;
  --mobile-padding: 16px;
  --tablet-padding: 24px;
  --desktop-padding: 32px;
}

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

html {
  /* Prevenir zoom en inputs en iOS */
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  color: var(--gray-900);
  background: var(--bg-light);
  line-height: 1.6;
  /* Mejorar renderizado en móviles */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  /* Agregando padding superior para header fixed */
  padding-top: var(--header-height);
}

/* Estilos para PWA standalone */
@media (display-mode: standalone) {
  body {
    padding-top: calc(var(--header-height) + env(safe-area-inset-top));
    padding-bottom: env(safe-area-inset-bottom);
  }

  header {
    padding-top: env(safe-area-inset-top);
  }
}

/* Responsive containers */
.container {
  width: 100%;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--mobile-padding);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--tablet-padding);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--desktop-padding);
  }
}

/* Imágenes responsive */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Responsive typography */
h1 {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 600;
  line-height: 1.3;
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 600;
  line-height: 1.4;
}

p {
  font-size: clamp(0.875rem, 2vw, 1rem);
  line-height: 1.6;
}

/* =============================================
   HEADER STYLES - Header más grande (80px)
   ============================================= */
.unified-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  /* Aplicando fondo verde degradado para tema de nutrición */
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: var(--shadow-md);
  /* Reduciendo z-index del header para que no bloquee el panel */
  z-index: 100;
  transition: all 0.3s ease;
}

.unified-header.scrolled {
  height: var(--header-height-scrolled);
  box-shadow: var(--shadow-lg);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.logo-section {
  flex: 1;
  display: flex;
  justify-content: center;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--white);
}

.logo-icon {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--white);
}

.brand-name {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.5px;
}

/* =============================================
   BOTÓN HAMBURGUESA - Siempre visible
   ============================================= */
/* Mejorando el botón hamburguesa con el color blanco sobre fondo verde */
.mobile-toggle {
  display: flex !important;
  flex-direction: column !important;
  justify-content: space-around !important;
  align-items: center !important;
  width: 50px !important;
  height: 50px !important;
  background: rgba(255, 255, 255, 0.15) !important;
  border: 2px solid rgba(255, 255, 255, 0.3) !important;
  border-radius: 12px !important;
  cursor: pointer !important;
  padding: 10px !important;
  z-index: 1000 !important;
  transition: all 0.3s ease !important;
}

.mobile-toggle:hover {
  background: rgba(255, 255, 255, 0.25) !important;
  border-color: rgba(255, 255, 255, 0.5) !important;
  transform: scale(1.05) !important;
}

.mobile-toggle span {
  width: 26px !important;
  height: 3px !important;
  background: var(--white) !important;
  border-radius: 3px !important;
  transition: all 0.3s ease !important;
}

/* Animación del botón hamburguesa cuando el menú está abierto */
.mobile-toggle[aria-expanded="true"] {
  background: rgba(255, 255, 255, 0.3) !important;
}

.mobile-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(9px) rotate(45deg) !important;
}

.mobile-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0 !important;
}

.mobile-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg) !important;
}

/* =============================================
   HEADER ACTIONS
   ============================================= */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
  position: relative; /* Added position relative to contain the dropdown */
}

.header-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

.header-btn.btn-outline {
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.5);
  background: transparent;
}

.header-btn.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
}

.header-btn.btn-solid {
  background: var(--white);
  color: var(--primary-color);
  border: 2px solid var(--white);
}

.header-btn.btn-solid:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
}

/* =============================================
   USER PROFILE DROPDOWN
   ============================================= */
/* Mejorando estilos del dropdown del usuario con mejor contraste y diseño moderno */
.user-profile {
  position: relative;
  z-index: 100 !important;
}

.profile-trigger {
  display: flex !important;
  align-items: center !important;
  gap: 0.75rem !important;
  padding: 0.5rem 1rem !important;
  background: rgba(255, 255, 255, 0.15) !important;
  border: 2px solid rgba(255, 255, 255, 0.3) !important;
  border-radius: 50px !important;
  cursor: pointer !important;
  transition: all 0.3s ease !important;
  color: var(--white) !important;
}

.profile-trigger:hover {
  background: rgba(255, 255, 255, 0.25) !important;
  border-color: rgba(255, 255, 255, 0.5) !important;
}

.profile-avatar {
  width: 40px !important;
  height: 40px !important;
  border-radius: 50% !important;
  background: var(--white) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  color: var(--primary-color) !important;
  font-size: 1.2rem !important;
}

.profile-info {
  display: flex !important;
  flex-direction: column !important;
  align-items: flex-start !important;
  text-align: left !important;
}

.profile-name {
  font-weight: 600 !important;
  font-size: 0.95rem !important;
  color: var(--white) !important;
}

.profile-role {
  font-size: 0.8rem !important;
  opacity: 0.9 !important;
  color: var(--white) !important;
}

.profile-arrow {
  color: var(--white) !important;
  font-size: 0.75rem !important;
  transition: transform 0.3s ease !important;
}

.profile-trigger[aria-expanded="true"] .profile-arrow {
  transform: rotate(180deg) !important;
}

.profile-dropdown {
  position: absolute !important;
  top: calc(100% + 10px) !important;
  right: 0 !important;
  min-width: 280px !important;
  background: var(--white) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15) !important;
  opacity: 0 !important;
  visibility: hidden !important;
  transform: translateY(-10px) !important;
  transition: all 0.3s ease !important;
  z-index: 10001 !important;
  overflow: hidden !important;
}

.profile-dropdown.show {
  opacity: 1 !important;
  visibility: visible !important;
  transform: translateY(0) !important;
}

.dropdown-header {
  padding: 1.5rem !important;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
  color: var(--white) !important;
  text-align: center !important;
}

.user-avatar-large {
  width: 70px !important;
  height: 70px !important;
  border-radius: 50% !important;
  background: rgba(255, 255, 255, 0.2) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  margin: 0 auto 1rem !important;
  font-size: 2rem !important;
  color: var(--white) !important;
}

.user-details h4 {
  font-size: 1.1rem !important;
  font-weight: 600 !important;
  margin-bottom: 0.25rem !important;
  color: var(--white) !important;
}

.user-details p {
  font-size: 0.875rem !important;
  opacity: 0.9 !important;
  color: var(--white) !important;
}

.dropdown-menu-items {
  padding: 0.5rem 0 !important;
}

.dropdown-item {
  display: flex !important;
  align-items: center !important;
  gap: 1rem !important;
  padding: 1rem 1.5rem !important;
  color: var(--text-color) !important;
  text-decoration: none !important;
  transition: all 0.3s ease !important;
}

.dropdown-item:hover {
  background: rgba(16, 185, 129, 0.1) !important;
  color: var(--primary-color) !important;
}

/* Corrigiendo y completando estilos del dropdown del perfil */
.dropdown-item i {
  width: 20px !important;
  text-align: center !important;
  color: var(--primary-color) !important;
  font-size: 1rem !important;
}

.dropdown-item.logout {
  color: #e74c3c !important;
}

.dropdown-item.logout:hover {
  background: #ffeceb !important;
  color: #c0392b !important;
}

.dropdown-item.logout i {
  color: #e74c3c !important;
}

.dropdown-separator {
  height: 1px !important;
  background: rgba(0, 0, 0, 0.1) !important;
  margin: 0.5rem 0 !important;
}

/* Asegurando que el dropdown se vea igual en móvil y escritorio */
@media (max-width: 768px) {
  .profile-dropdown {
    min-width: 260px !important;
    right: 10px !important;
  }

  .dropdown-header {
    padding: 1.25rem !important;
  }

  .user-avatar-large {
    width: 60px !important;
    height: 60px !important;
    font-size: 1.75rem !important;
  }

  .dropdown-item {
    padding: 0.875rem 1.25rem !important;
  }
}

/* =============================================
   NAVIGATION PANEL LATERAL - SOLUCIÓN DEFINITIVA
   Z-INDEX Y POSICIONAMIENTO ABSOLUTO
   ============================================= */

/* Mejorando el panel lateral con mejor contraste y diseño moderno */
.main-navigation {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 280px !important;
  height: 100vh !important;
  background: #f9fff9 !important;
  transform: translateX(-100%) !important;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1) !important;
  z-index: 999999 !important;
  box-shadow: 5px 0 30px rgba(0, 0, 0, 0.2) !important;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  display: flex !important;
  flex-direction: column !important;
  pointer-events: auto !important;
  visibility: visible !important;
  border-right: 1px solid rgba(16, 185, 129, 0.1) !important;
}

.main-navigation.is-open {
  transform: translateX(0) !important;
  pointer-events: auto !important;
}

/* Backdrop con z-index 99998 para quedar detrás del panel */
.nav-backdrop {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  background: rgba(0, 0, 0, 0.5) !important;
  backdrop-filter: blur(2px) !important;
  z-index: 999998 !important;
  opacity: 0 !important;
  visibility: hidden !important;
  transition: opacity 0.3s ease, visibility 0.3s ease !important;
  /* Permitir clicks solo cuando el menú NO está abierto */
  pointer-events: none !important;
}

.nav-backdrop.show {
  opacity: 1 !important;
  visibility: visible !important;
  /* Permitir clicks SOLO en el backdrop para cerrar, no en el panel */
  pointer-events: auto !important;
}

/* PWA Modal con z-index 100000 para estar sobre el panel cuando sea necesario */
.pwa-modal {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  background: rgba(0, 0, 0, 0.6) !important;
  backdrop-filter: blur(4px) !important;
  z-index: 100000 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 1rem !important;
  opacity: 0 !important;
  visibility: hidden !important;
  transition: all 0.3s ease !important;
}

.pwa-modal.show {
  opacity: 1 !important;
  visibility: visible !important;
}

/* =============================================
   ESTILOS COMPLETOS DEL PANEL - Continuación
   ============================================= */
.mobile-menu-header {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
  padding: 1.5rem !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  min-height: 80px !important;
  flex-shrink: 0 !important;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1) !important;
}

.mobile-logo {
  display: flex !important;
  align-items: center !important;
  gap: 0.75rem !important;
}

.mobile-logo i {
  width: 45px !important;
  height: 45px !important;
  background: rgba(255, 255, 255, 0.2) !important;
  border-radius: 50% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 1.25rem !important;
  color: var(--white) !important;
}

.mobile-logo span {
  font-weight: 700 !important;
  font-size: 1.5rem !important;
  color: var(--white) !important;
}

.mobile-close {
  width: 45px !important;
  height: 45px !important;
  border-radius: 50% !important;
  background: rgba(255, 255, 255, 0.2) !important;
  border: none !important;
  color: var(--white) !important;
  font-size: 1.25rem !important;
  cursor: pointer !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  transition: var(--transition) !important;
  flex-shrink: 0 !important;
}

.mobile-close:hover {
  background: rgba(255, 255, 255, 0.3) !important;
  transform: rotate(90deg) !important;
}

.pwa-install-container {
  padding: 1rem 1.5rem !important;
  background: linear-gradient(135deg, rgba(243, 156, 18, 0.1), rgba(230, 126, 34, 0.05)) !important;
  border-bottom: 1px solid var(--border-color) !important;
  flex-shrink: 0 !important;
}

.btn-pwa-orange {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 0.75rem !important;
  width: 100% !important;
  padding: 1rem 1.5rem !important;
  background: linear-gradient(135deg, var(--pwa-orange) 0%, var(--pwa-orange-dark) 100%) !important;
  color: var(--white) !important;
  border: none !important;
  border-radius: var(--radius-md) !important;
  font-weight: 600 !important;
  font-size: 1rem !important;
  cursor: pointer !important;
  transition: var(--transition) !important;
  box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3) !important;
}

.btn-pwa-orange:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 20px rgba(243, 156, 18, 0.4) !important;
}

.btn-pwa-orange i {
  font-size: 1.25rem !important;
}

/* Contenido del panel lateral con espaciado y estilo consistente */
/* Mejorando los enlaces del panel con mejor contraste y efectos hover */
.nav-links {
  list-style: none !important;
  padding: 1.5rem 0 !important;
  margin: 0 !important;
  flex: 1 !important;
  overflow-y: auto !important;
}

.nav-links li {
  margin: 0 !important;
}

.nav-link {
  display: flex !important;
  align-items: center !important;
  gap: 1rem !important;
  padding: 1rem 1.5rem !important;
  color: #374151 !important;
  text-decoration: none !important;
  font-weight: 500 !important;
  font-size: 1rem !important;
  transition: all 0.3s ease !important;
  border-left: 4px solid transparent !important;
  position: relative !important;
}

.nav-link:hover {
  background: rgba(16, 185, 129, 0.1) !important;
  border-left-color: #10b981 !important;
  color: #10b981 !important;
  padding-left: 1.75rem !important;
}

.nav-link.active {
  background: rgba(16, 185, 129, 0.15) !important;
  border-left-color: #10b981 !important;
  color: #10b981 !important;
}

.nav-link i {
  font-size: 1.25rem !important;
  width: 24px !important;
  text-align: center !important;
  color: #10b981 !important;
}

/* Estilo especial para el enlace de descarga */
.nav-link-download {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(59, 130, 246, 0.05)) !important;
  border-left-color: #ffa94d !important;
}

.nav-link-download:hover {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(59, 130, 246, 0.1)) !important;
  color: #ffa94d !important;
}

.nav-link-download i {
  color: #ffa94d !important;
}

/* Acciones del menú móvil en la parte inferior del panel */
.mobile-menu-actions {
  padding: 1.5rem !important;
  border-top: 1px solid var(--border-color) !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 0.75rem !important;
  flex-shrink: 0 !important;
}

.mobile-action-btn {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 0.5rem !important;
  padding: 0.875rem 1.5rem !important;
  border-radius: 12px !important;
  font-weight: 600 !important;
  font-size: 0.95rem !important;
  text-decoration: none !important;
  transition: all 0.3s ease !important;
}

.mobile-action-btn.btn-outline {
  background: transparent !important;
  border: 2px solid var(--primary-color) !important;
  color: var(--primary-color) !important;
}

.mobile-action-btn.btn-outline:hover {
  background: var(--primary-color) !important;
  color: white !important;
}

.mobile-action-btn.btn-solid {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
  color: white !important;
  border: none !important;
}

.mobile-action-btn.btn-solid:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3) !important;
}

.mobile-action-btn.btn-logout {
  background: transparent !important;
  border: 2px solid #ef4444 !important;
  color: #ef4444 !important;
}

.mobile-action-btn.btn-logout:hover {
  background: #ef4444 !important;
  color: white !important;
}

/* =============================================
   HERO CAROUSEL
   ============================================= */
.hero-section {
  position: relative;
  margin-top: 80px;
  height: calc(100vh - 80px);
  min-height: 500px;
  max-height: 700px;
  overflow: hidden;
}

.carousel-container {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-track {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease;
}

.carousel-slide.active {
  opacity: 1;
  visibility: visible;
}

.slide-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

.slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.05);
}

.slide-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.content-wrapper {
  text-align: center;
  color: white;
  max-width: 900px;
  padding: 2rem;
}

.slide-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5); /* Corrected: completed text-shadow property */
}