/* ==========================================================================
   GREENSTREAK - SISTEMA DE DISEÑO Y HOJA DE ESTILOS PREMIUM (VANILLA CSS)
   ========================================================================== */

html {
  font-size: 115%; /* Aumenta el tamaño de la letra un 15% */
}

/* 1. CONFIGURACIÓN GENERAL Y VARIABLES */
:root {
  /* Paleta de Colores de Alta Fidelidad (HSL) */
  --bg-primary: #030712;       /* Fondo ultra oscuro */
  --bg-secondary: #0b1528;     /* Fondo de paneles */
  --bg-glass: rgba(15, 23, 42, 0.45); /* Capa Glassmorphic */
  --border-glass: rgba(255, 255, 255, 0.08); /* Borde translúcido */
  
  /* Colores de Marca y Estados */
  --color-primary: #10b981;    /* Verde Esmeralda (Sustentabilidad) */
  --color-primary-glow: rgba(16, 185, 129, 0.2);
  --color-water: #0ea5e9;      /* Azul Hídrico */
  --color-water-glow: rgba(14, 165, 233, 0.2);
  --color-electric: #eab308;   /* Amarillo/Naranja Eléctrico */
  --color-electric-glow: rgba(234, 179, 8, 0.2);
  --color-waste: #a855f7;      /* Púrpura circular */
  --color-waste-glow: rgba(168, 85, 247, 0.2);
  
  --color-streak-active: #ff5722; /* Naranja Fuego */
  --color-streak-inactive: #4b5563; /* Gris Apagado */
  
  --color-danger: #ef4444;     /* Rojo Alerta */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  
  /* Tipografía y Textos */
  --font-main: 'Inter', sans-serif;
  --font-display: 'Outfit', sans-serif;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Transiciones y Sombras */
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 20px rgba(16, 185, 129, 0.15);
}

/* Reseteo y Estilos Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(16, 185, 129, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(14, 165, 233, 0.05) 0%, transparent 40%);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* 2. ARQUITECTURA DE DISEÑO: APP GRID CONTAINER */
.app-container {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

/* Sidebar Estilo Glassmorphic Fija */
.sidebar {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-right: 1px solid var(--border-glass);
  padding: 2.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: sticky;
  top: 0;
  z-index: 100;
}

.sidebar-brand {
  display: flex;
  align-center: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  padding-left: 0.5rem;
}

.brand-logo {
  color: var(--color-primary);
  filter: drop-shadow(0 0 8px var(--color-primary));
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-grow: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 0.85rem 1rem;
  border-radius: 12px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: var(--transition-normal);
}

.nav-item svg {
  transition: var(--transition-fast);
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
}

.nav-item:hover svg {
  transform: translateX(3px);
  color: var(--color-primary);
}

.nav-item.active {
  background: var(--color-primary-glow);
  color: var(--color-primary);
  border-left: 3px solid var(--color-primary);
  box-shadow: inset 0 0 10px rgba(16, 185, 129, 0.05);
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-glass);
}

.community-record {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
}

/* Espacio de Contenido Principal */
.main-content {
  padding: 2.5rem 3rem;
  overflow-y: auto;
  padding-bottom: 6rem; /* Margen para Bottom Nav */
}

/* Cabecera Global */
.global-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 1.5rem;
}

.global-header h1 {
  font-size: 2.2rem;
  font-weight: 800;
}

.global-header .subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-top: 0.25rem;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* Widget de Racha (Streak) */
.streak-widget {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  cursor: help;
  transition: var(--transition-fast);
}

.flame-icon {
  color: var(--color-streak-inactive);
  filter: drop-shadow(0 0 2px transparent);
  transition: var(--transition-normal);
}

.flame-icon.active {
  color: var(--color-streak-active);
  filter: drop-shadow(0 0 8px rgba(255, 87, 34, 0.6));
  animation: flame-pulse 1.5s infinite alternate;
}

.streak-details {
  display: flex;
  flex-direction: column;
}

.streak-count {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
}

.streak-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Odometer y Ahorro Bóveda (Verde y Fondo Blanco Premium) */
.credits-widget {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: #ffffff !important;
  border: 2px solid #10b981 !important;
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.1);
  transition: var(--transition-fast);
}

.credits-icon {
  color: #10b981 !important;
  animation: spin-pulse 3s infinite linear;
}

.credits-details {
  display: flex;
  flex-direction: column;
}

.credits-count {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: #10b981 !important;
}

.credits-label {
  font-size: 0.65rem;
  color: #059669 !important;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
}

/* 3. TABS Y CONTROL DE SECCIONES (TABS VISIBILITY) */
.tab-content {
  display: none;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.tab-content.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* 4. TARJETAS (CARDS) Y GRID */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.mt-6 { margin-top: 1.5rem; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.text-center { text-align: center; }
.border-t { border-top: 1px solid var(--border-glass); }
.pt-4 { padding-top: 1rem; }
.hidden { display: none !important; }
.inline-block { display: inline-block; }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.75rem; }

/* Card Glassmorphic Premium */
.card {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 1.75rem;
  box-shadow: var(--shadow-premium);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
  transition: var(--transition-fast);
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.8);
}

.card-pulse-hover:hover::before {
  background: linear-gradient(90deg, var(--color-primary), var(--color-water));
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.card-header h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Métricas del Dashboard */
.big-metric {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.03em;
  line-height: 1;
}

.metric-desc {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

.card-footer {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-glass);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.subtext {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Badges y Pills */
.badge {
  padding: 0.35rem 0.75rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-primary);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-indicator {
  padding: 0.25rem 0.65rem;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 600;
}

.indicator-optimal {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-primary);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.indicator-average {
  background: rgba(234, 179, 8, 0.15);
  color: var(--color-electric);
  border: 1px solid rgba(234, 179, 8, 0.3);
}

.indicator-excessive {
  background: rgba(239, 68, 68, 0.15);
  color: var(--color-danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* 5. FORMULARIOS DE REGISTRO */
.sustainability-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.required {
  color: var(--color-danger);
}

.form-group input {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.2);
  background: rgba(15, 23, 42, 0.8);
}

.form-help {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.error-feedback {
  font-size: 0.8rem;
  color: var(--color-danger);
  margin-top: 0.25rem;
}

/* Botones Premium */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, #059669 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.25);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
  background: linear-gradient(135deg, #10b981 0%, #047857 100%);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
  background: linear-gradient(135deg, var(--color-danger) 0%, #b91c1c 100%);
  color: #ffffff;
}

.btn-danger:hover:not(:disabled) {
  background: linear-gradient(135deg, #ef4444 0%, #991b1b 100%);
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Spinner de carga */
.spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spinner-spin 0.8s linear infinite;
  display: none;
}

.btn:disabled .spinner {
  display: inline-block;
}

.btn:disabled .btn-text {
  opacity: 0;
}

/* 6. MÓDULOS ESPECÍFICOS Y BANNERS */
.module-banner {
  border-radius: 20px;
  padding: 3rem;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-premium);
}

.banner-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
}

.banner-badge {
  display: inline-block;
  background: var(--color-electric-glow);
  color: var(--color-electric);
  border: 1px solid rgba(234, 179, 8, 0.4);
  padding: 0.35rem 0.75rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.banner-content h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.banner-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Gráficas e Histórico */
.chart-container-wrapper {
  position: relative;
  width: 100%;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.doughnut-holder {
  width: 220px;
  height: 220px;
}

/* Tarjeta Ahorro de Agua Motivadora */
.card-congratulations {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(14, 165, 233, 0.15) 100%);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 16px;
  padding: 1.5rem;
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  box-shadow: 0 8px 24px -8px rgba(16, 185, 129, 0.3);
  animation: card-appear 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.congratulations-icon {
  font-size: 2.2rem;
  background: var(--color-primary-glow);
  width: 55px;
  height: 55px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.2);
}

.congratulations-body h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
}

.congratulations-body p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* Mensaje circular de residuos */
.waste-status-box {
  background: rgba(168, 85, 247, 0.08);
  border: 1px solid rgba(168, 85, 247, 0.25);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  width: 100%;
}

.waste-status-text {
  font-size: 0.88rem;
  color: #ffffff;
  line-height: 1.4;
}

/* 7. GAMIFICACIÓN (RETOS DIARIOS) */
.challenges-intro-card {
  padding: 2.5rem;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.6) 0%, rgba(3, 7, 18, 0.8) 100%);
}

.streak-formula-card {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  padding: 1rem;
}

.streak-formula-card h5 {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
}

.streak-formula-card code {
  display: block;
  font-family: monospace;
  font-size: 0.8rem;
  color: var(--color-primary);
  margin-top: 0.35rem;
}

.glowing-odometer {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-primary);
  text-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

/* Panel de Bóveda Sostenible Verde y Blanco */
.savings-vault-card {
  background: #ffffff !important;
  color: #10b981 !important;
  border: 2px solid #10b981 !important;
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.15) !important;
  padding: 1.5rem;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.savings-vault-card span, .savings-vault-card div {
  color: #10b981 !important;
}

.savings-vault-card .glowing-odometer {
  text-shadow: none !important;
  color: #059669 !important;
}

.challenges-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.challenge-item {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-fast);
}

.challenge-item:hover {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(255, 255, 255, 0.12);
}

.challenge-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

/* Custom Checkbox */
.custom-checkbox {
  position: relative;
  width: 26px;
  height: 26px;
  background: rgba(15, 23, 42, 0.8);
  border: 2px solid var(--text-muted);
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.custom-checkbox::after {
  content: '';
  position: absolute;
  top: 5px;
  left: 9px;
  width: 5px;
  height: 10px;
  border: solid #ffffff;
  border-width: 0 2.5px 2.5px 0;
  transform: rotate(45deg) scale(0);
  transition: var(--transition-fast);
}

.challenge-item.completed .custom-checkbox {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.challenge-item.completed .custom-checkbox::after {
  transform: rotate(45deg) scale(1);
}

.challenge-details h4 {
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition-fast);
}

.challenge-item.completed .challenge-details h4 {
  color: var(--text-muted);
  text-decoration: line-through;
}

.challenge-details p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
}

.challenge-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.challenge-points {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-glow);
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
}

.challenge-category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* 8. ASISTENTE GREENAI (CHAT INTERFACE) */
.ai-layout-container {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1.5rem;
  height: calc(100vh - 200px);
}

.chat-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0;
  overflow: hidden;
}

.chat-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(15, 23, 42, 0.3);
}

.avatar-greenai {
  background: linear-gradient(135deg, var(--color-primary) 0%, #047857 100%);
  color: #ffffff;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 12px var(--color-primary-glow);
}

.chat-messages {
  flex-grow: 1;
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  background: rgba(3, 7, 18, 0.2);
}

.message {
  display: flex;
  max-width: 80%;
  animation: bubble-appear 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-message {
  align-self: flex-start;
}

.user-message {
  align-self: flex-end;
}

.message-bubble {
  padding: 1rem 1.25rem;
  border-radius: 16px;
  font-size: 0.92rem;
  line-height: 1.5;
}

.ai-message .message-bubble {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  border-top-left-radius: 4px;
}

.user-message .message-bubble {
  background: var(--color-primary);
  color: #ffffff;
  border-top-right-radius: 4px;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

/* Formateo de Markdown dentro del Chat */
.message-bubble ul, .message-bubble ol {
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
  padding-left: 1.25rem;
}

.message-bubble li {
  margin-bottom: 0.25rem;
}

.message-bubble strong {
  font-weight: 700;
  color: #ffffff;
}

.chat-input-bar {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border-glass);
  display: flex;
  gap: 0.75rem;
  background: rgba(15, 23, 42, 0.4);
}

.chat-input-bar input {
  flex-grow: 1;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 0.75rem 1.25rem;
  color: #ffffff;
  font-family: var(--font-main);
  transition: var(--transition-fast);
}

.chat-input-bar input:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 1rem 1.25rem;
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  border-top-left-radius: 4px;
  align-self: flex-start;
  margin-left: 1.5rem;
  margin-bottom: 1.25rem;
  width: fit-content;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  background: var(--text-secondary);
  border-radius: 50%;
  animation: typing-bounce 1s infinite ease-in-out;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

/* Panel lateral del chat */
.chat-guardrails-side {
  height: 100%;
  overflow-y: auto;
}

.guardrails-list li {
  color: var(--text-secondary);
  line-height: 1.4;
  position: relative;
  padding-left: 1rem;
}

.guardrails-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.chat-suggestions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.btn-suggestion {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  padding: 0.65rem 0.85rem;
  font-family: var(--font-main);
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: left;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-suggestion:hover {
  background: var(--color-primary-glow);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* 9. TOASTS Y BANNER DE ÉXITO */
.toast-container {
  position: fixed;
  top: 2rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: rgba(11, 21, 40, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(16, 185, 129, 0.4);
  border-radius: 12px;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  transform: translateX(120%);
  animation: toast-slide-in 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  min-width: 320px;
}

.toast-success {
  border-color: rgba(16, 185, 129, 0.4);
}

.toast-success .toast-icon {
  color: var(--color-primary);
}

.toast-icon {
  font-size: 1.25rem;
  font-weight: bold;
}

.toast-message {
  font-size: 0.88rem;
  font-weight: 500;
  color: #ffffff;
}

/* 10. CONFIGURACIÓN (SIMULADOR TOKENS) */
.api-token-container {
  display: flex;
  gap: 0.5rem;
}

.api-token-container input {
  flex-grow: 1;
  font-family: monospace;
}

.realtime-status {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
}

.dot-active {
  width: 10px;
  height: 10px;
  background: var(--color-primary);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--color-primary);
}

/* 11. ADAPTABILIDAD MÓVIL (NAV INFERIOR) */
.bottom-nav {
  display: none;
}

@media (max-width: 1024px) {
  .app-container {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    display: none;
  }
  
  .bottom-nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: rgba(11, 21, 40, 0.95);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--border-glass);
    z-index: 1000;
    padding-bottom: env(safe-area-inset-bottom);
  }
  
  .bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.7rem;
    font-weight: 500;
    cursor: pointer;
    flex-grow: 1;
    height: 100%;
    transition: var(--transition-fast);
  }
  
  .bottom-nav-item.active {
    color: var(--color-primary);
  }
  
  .bottom-nav-item svg {
    width: 20px;
    height: 20px;
  }
  
  .main-content {
    padding: 1.5rem 1.5rem 6rem 1.5rem;
  }
  
  .global-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }
  
  .header-right {
    width: 100%;
    justify-content: space-between;
  }
  
  .grid-3, .grid-2 {
    grid-template-columns: 1fr;
  }
  
  .ai-layout-container {
    grid-template-columns: 1fr;
    height: auto;
  }
  
  .chat-guardrails-side {
    display: none;
  }
}

/* 12. ANIMACIONES CSS */
@keyframes flame-pulse {
  0% { transform: scale(1); filter: drop-shadow(0 0 5px rgba(255, 87, 34, 0.5)); }
  100% { transform: scale(1.08); filter: drop-shadow(0 0 12px rgba(255, 87, 34, 0.8)); }
}

@keyframes spin-pulse {
  0% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(180deg) scale(1.1); }
  100% { transform: rotate(360deg) scale(1); }
}

@keyframes spinner-spin {
  to { transform: rotate(360deg); }
}

@keyframes bubble-appear {
  from { opacity: 0; transform: translateY(10px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes card-appear {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toast-slide-in {
  from { transform: translateX(120%); }
  to { transform: translateX(0); }
}

@keyframes toast-fade-out {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-20px); }
}

@keyframes typing-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* ==========================================================================
   AGREGADOS - PANTALLA DE AUTH, ALERTAS Y RETOS INTERACTIVOS
   ========================================================================== */

/* Contenedor de Autenticación Premium */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  background: radial-gradient(circle at 50% 50%, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  padding: 1.5rem;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 2.5rem;
  text-align: center;
  border-color: rgba(16, 185, 129, 0.2);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 40px rgba(16, 185, 129, 0.05);
}

.auth-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.auth-tabs {
  display: flex;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 0.25rem;
  gap: 0.25rem;
}

.auth-tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 0.65rem;
  border-radius: 8px;
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.auth-tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.02);
}

.auth-tab-btn.active {
  background: var(--color-primary-glow);
  color: var(--color-primary);
  box-shadow: inset 0 0 5px rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

/* Alertas de Balance Hídrico Personalizadas */
.bg-glass-warning {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.08) 0%, rgba(239, 68, 68, 0.08) 100%) !important;
  border: 1px solid rgba(245, 158, 11, 0.3) !important;
  box-shadow: 0 8px 30px -10px rgba(245, 158, 11, 0.25) !important;
}

.bg-glass-warning .congratulations-icon {
  background: rgba(245, 158, 11, 0.15) !important;
  color: var(--color-warning) !important;
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.2) !important;
}

.bg-glass-emerald {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(14, 165, 233, 0.08) 100%) !important;
  border: 1px solid rgba(16, 185, 129, 0.3) !important;
  box-shadow: 0 8px 30px -10px rgba(16, 185, 129, 0.25) !important;
}

.bg-glass-emerald .congratulations-icon {
  background: var(--color-primary-glow) !important;
  color: var(--color-primary) !important;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.2) !important;
}

/* Estilo para retos vacíos / listado completo */
.all-completed-box {
  animation: card-appear 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 16px;
  padding: 2.5rem;
  border: 1px dashed rgba(16, 185, 129, 0.3) !important;
}