/* ==========================================================================
   SISTEMA DE DISEÑO INSTITUCIONAL OFICIAL — UNIVERSIDAD EXTERNADO DE COLOMBIA
   Inspirado y calcado de https://www.uexternado.edu.co/
   ========================================================================== */

:root {
  /* Paleta Oficial Universidad Externado de Colombia */
  --uec-green-dark: #0e3d29;       /* Verde Institucional Primario */
  --uec-green-hover: #145338;      /* Verde Hover */
  --uec-green-light: #eaf3ee;      /* Fondo Verde Suave */
  --uec-topbar-black: #1c1c1c;     /* Barra Superior Utilitaria */
  --uec-search-bar: #2b2b2b;       /* Franja de Búsqueda / Ticker */
  --uec-red-burgundy: #a21e25;     /* Rojo / Borgoña Oficial (Pagos/Destacados) */
  --uec-red-hover: #b8252d;
  --uec-gold: #c99c3b;             /* Dorado Académico */
  --uec-gold-hover: #b08428;
  --uec-gold-light: #fdf8ed;
  
  /* Fondos Limpios Universitarios */
  --uec-bg-body: #f8f9fa;
  --uec-bg-card: #ffffff;
  --uec-border: #e2e8f0;
  --uec-border-subtle: #edf2f7;
  
  /* Textos */
  --uec-text-main: #1f2937;
  --uec-text-muted: #5d6d64;
  --uec-text-dark: #111827;

  /* Sombras y Radios */
  --uec-shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
  --uec-shadow-md: 0 4px 16px rgba(14, 61, 41, 0.08);
  --uec-shadow-lg: 0 10px 30px rgba(14, 61, 41, 0.12);
  --uec-radius-sm: 6px;
  --uec-radius-md: 10px;
  --uec-radius-lg: 16px;
  --uec-radius-pill: 50px;
}

/* ==========================================================================
   TIPOGRAFÍA INSTITUCIONAL EXTERNADO
   ========================================================================== */
body.uexternado-theme {
  background-color: var(--uec-bg-body) !important;
  color: var(--uec-text-main) !important;
  font-family: 'Inter', 'Open Sans', 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif !important;
  line-height: 1.6 !important;
  -webkit-font-smoothing: antialiased;
}

body.uexternado-theme h1,
body.uexternado-theme h2,
body.uexternado-theme h3,
body.uexternado-theme h4,
body.uexternado-theme h5,
body.uexternado-theme .font-institutional {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif !important;
  font-weight: 700 !important;
  color: var(--uec-green-dark) !important;
  letter-spacing: -0.3px;
}

/* ==========================================================================
   BARRA SUPERIOR UTILITARIA (Negro/Carbón Oficial #1c1c1c)
   ========================================================================== */
.uec-top-bar {
  background-color: var(--uec-topbar-black);
  color: #d1d5db;
  font-size: 0.78rem;
  padding: 0.45rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.uec-top-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.uec-motto-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}

.uec-motto-gold {
  color: #e5c07b;
  font-style: italic;
  font-weight: 600;
}

.uec-top-nav-links {
  display: flex;
  align-items: center;
  gap: 14px;
}

.uec-top-nav-links a {
  color: #e5e7eb;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.uec-top-nav-links a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.uec-burgundy-pill {
  background-color: var(--uec-red-burgundy);
  color: #ffffff !important;
  padding: 3px 12px;
  border-radius: var(--uec-radius-pill);
  font-weight: 700 !important;
  font-size: 0.75rem;
  text-decoration: none !important;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  box-shadow: 0 2px 6px rgba(162, 30, 37, 0.3);
  transition: background-color 0.2s ease;
}

.uec-burgundy-pill:hover {
  background-color: var(--uec-red-hover);
}

/* ==========================================================================
   CABECERA PRINCIPAL (Verde Institucional Oficial #0e3d29)
   ========================================================================== */
.uec-main-nav {
  background-color: var(--uec-green-dark);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.uec-nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.uec-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: #ffffff;
}

.uec-brand-crest {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--uec-green-dark);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.uec-brand-text {
  display: flex;
  flex-direction: column;
}

.uec-candidate-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
  letter-spacing: -0.2px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.uec-domain-badge {
  background: var(--uec-gold);
  color: #1c1c1c;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.uec-candidate-sub {
  font-size: 0.7rem;
  font-weight: 600;
  color: #cde2d7;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.uec-nav-menu {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.uec-nav-link {
  color: #ffffff;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.uec-nav-link:hover,
.uec-nav-link.active {
  background-color: var(--uec-green-hover);
  color: #ffffff;
}

.uec-nav-link.highlight {
  background-color: rgba(201, 156, 59, 0.2);
  color: #ffd885;
  border: 1px solid rgba(201, 156, 59, 0.4);
}

/* ==========================================================================
   FRANJA DE BÚSQUEDA / TICKER ESTUDIANTIL (Gris Carbón #2b2b2b)
   ========================================================================== */
.uec-search-ticker-bar {
  background-color: var(--uec-search-bar);
  color: #ffffff;
  padding: 0.65rem 1.5rem;
  border-bottom: 2px solid var(--uec-green-dark);
}

.uec-ticker-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  flex-wrap: wrap;
}

.uec-ticker-badge {
  background-color: var(--uec-gold);
  color: #111827;
  font-weight: 800;
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.uec-ticker-text {
  font-size: 0.85rem;
  color: #e5e7eb;
}

/* ==========================================================================
   HERO INSTITUCIONAL OFICIAL (Blanco & Verde Externado)
   ========================================================================== */
.uec-hero-section {
  background: linear-gradient(180deg, #ffffff 0%, #f4f7f5 100%);
  padding: 3.5rem 1.5rem 4rem;
  border-bottom: 1px solid var(--uec-border);
  position: relative;
}

.uec-hero-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.uec-hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--uec-green-light);
  color: var(--uec-green-dark);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 0.4rem 1rem;
  border-radius: var(--uec-radius-pill);
  border: 1px solid rgba(14, 61, 41, 0.15);
  margin-bottom: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.uec-hero-pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--uec-green-dark);
}

.uec-hero-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2.3rem, 4.2vw, 3.4rem);
  font-weight: 800;
  color: var(--uec-green-dark);
  line-height: 1.18;
  margin-bottom: 1.2rem;
}

.uec-hero-title .uec-gold-text {
  color: var(--uec-gold);
}

.uec-hero-desc {
  font-size: 1.12rem;
  color: #4b5563;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.uec-hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 2.5rem;
}

/* Botones Oficiales Externado */
.uec-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.75rem 1.6rem;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.uec-btn-primary {
  background-color: var(--uec-green-dark);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(14, 61, 41, 0.2);
}

.uec-btn-primary:hover {
  background-color: var(--uec-green-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(14, 61, 41, 0.25);
  color: #ffffff;
}

.uec-btn-burgundy {
  background-color: var(--uec-red-burgundy);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(162, 30, 37, 0.25);
}

.uec-btn-burgundy:hover {
  background-color: var(--uec-red-hover);
  transform: translateY(-2px);
  color: #ffffff;
}

.uec-btn-outline {
  background-color: #ffffff;
  color: var(--uec-green-dark);
  border: 1.5px solid var(--uec-green-dark);
}

.uec-btn-outline:hover {
  background-color: var(--uec-green-light);
  transform: translateY(-2px);
}

/* Indicadores de Campaña en Barra */
.uec-metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  background: #ffffff;
  border: 1px solid var(--uec-border);
  border-radius: var(--uec-radius-md);
  padding: 1.2rem 1.4rem;
  box-shadow: var(--uec-shadow-sm);
}

.uec-metric-item {
  display: flex;
  flex-direction: column;
}

.uec-metric-val {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--uec-green-dark);
  line-height: 1.1;
}

.uec-metric-lbl {
  font-size: 0.74rem;
  color: var(--uec-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Marco de Foto Oficial Externado */
.uec-portrait-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.uec-portrait-card {
  width: 100%;
  max-width: 440px;
  background: #ffffff;
  border: 1px solid var(--uec-border);
  border-radius: var(--uec-radius-md);
  overflow: hidden;
  box-shadow: var(--uec-shadow-md);
}

.uec-portrait-card img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  object-position: 50% 15%;
  display: block;
}

.uec-portrait-caption {
  padding: 1.2rem;
  background: #ffffff;
  border-top: 3px solid var(--uec-green-dark);
}

.uec-caption-name {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--uec-green-dark);
  margin-bottom: 4px;
}

.uec-caption-role {
  font-size: 0.82rem;
  color: #4b5563;
  margin-bottom: 8px;
}

.uec-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.uec-tag-pill {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--uec-green-light);
  color: var(--uec-green-dark);
}

/* ==========================================================================
   CONSOLA INTERACTIVA DEL RECTOR IA (Estilo Institucional)
   ========================================================================== */
.uec-ai-console {
  background: #ffffff;
  border: 1px solid var(--uec-border);
  border-left: 4px solid var(--uec-green-dark);
  border-radius: var(--uec-radius-md);
  padding: 1.4rem;
  margin-top: 2rem;
  box-shadow: var(--uec-shadow-sm);
}

.uec-console-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
}

.uec-console-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--uec-green-dark);
}

.uec-prompts-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0.8rem 0;
}

.uec-prompt-chip {
  background: #f1f5f3;
  border: 1px solid #d1ded7;
  color: var(--uec-green-dark);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: var(--uec-radius-pill);
  cursor: pointer;
  transition: all 0.2s ease;
}

.uec-prompt-chip:hover {
  background: var(--uec-green-dark);
  color: #ffffff;
  border-color: var(--uec-green-dark);
}

.uec-console-input-row {
  display: flex;
  gap: 8px;
}

.uec-console-input {
  flex: 1;
  background: #f8faf9;
  border: 1px solid var(--uec-border);
  border-radius: 6px;
  padding: 0.6rem 0.9rem;
  font-size: 0.9rem;
  color: var(--uec-text-dark);
  outline: none;
}

.uec-console-input:focus {
  border-color: var(--uec-green-dark);
  background: #ffffff;
}

/* ==========================================================================
   SECCIONES GENERALES & TARJETAS OFICIALES
   ========================================================================== */
.uec-section {
  padding: 4.5rem 1.5rem;
}

.uec-section-alt {
  background-color: #ffffff;
  border-top: 1px solid var(--uec-border);
  border-bottom: 1px solid var(--uec-border);
}

.uec-section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
}

.uec-section-pill {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--uec-gold);
  margin-bottom: 0.6rem;
}

.uec-section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--uec-green-dark);
  margin-bottom: 0.8rem;
}

.uec-section-subtitle {
  font-size: 1.05rem;
  color: var(--uec-text-muted);
  line-height: 1.6;
}

/* Cuadrícula de 5 Revoluciones IA */
.uec-cards-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.8rem;
}

.uec-card {
  background: #ffffff;
  border: 1px solid var(--uec-border);
  border-top: 4px solid var(--uec-green-dark);
  border-radius: var(--uec-radius-md);
  padding: 2rem 1.6rem;
  box-shadow: var(--uec-shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.uec-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--uec-shadow-md);
}

.uec-card-gold-top {
  border-top-color: var(--uec-gold);
}

.uec-card-burgundy-top {
  border-top-color: var(--uec-red-burgundy);
}

.uec-card-icon {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.uec-card-tag {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--uec-gold);
  letter-spacing: 0.5px;
  margin-bottom: 0.4rem;
}

.uec-card-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--uec-green-dark);
  margin-bottom: 0.8rem;
}

.uec-card-desc {
  font-size: 0.95rem;
  color: #4b5563;
  line-height: 1.65;
  margin-bottom: 1.2rem;
}

.uec-perks-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.uec-perks-list li {
  font-size: 0.88rem;
  color: #374151;
  padding: 0.35rem 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.uec-perks-list li strong {
  color: var(--uec-green-dark);
}

/* ==========================================================================
   CARNÉ DE VOTANTE & SECCIÓN ESTUDIANTIL
   ========================================================================== */
.uec-student-container {
  max-width: 1280px;
  margin: 0 auto;
}

.uec-vote-machine-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 900px) {
  .uec-hero-grid,
  .uec-vote-machine-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.uec-carnet-card {
  background: #ffffff;
  border: 1px solid var(--uec-border);
  border-radius: var(--uec-radius-md);
  box-shadow: var(--uec-shadow-md);
  overflow: hidden;
}

.uec-carnet-header {
  background-color: var(--uec-green-dark);
  color: #ffffff;
  padding: 1rem 1.4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.uec-carnet-body {
  padding: 1.5rem;
  display: flex;
  gap: 1.2rem;
  align-items: center;
}

.uec-qr-box {
  background: #ffffff;
  border: 1px solid var(--uec-border);
  border-radius: 6px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* Simulador de Facultades */
.uec-faculty-card {
  background: #ffffff;
  border: 1px solid var(--uec-border);
  border-radius: var(--uec-radius-md);
  padding: 1.8rem;
  box-shadow: var(--uec-shadow-sm);
}

.faculty-pills-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 1.2rem;
}

.fac-pill,
.uec-fac-pill {
  background: #f1f5f3;
  color: var(--uec-green-dark);
  border: 1px solid #c8d9cf;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  border-radius: var(--uec-radius-pill);
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.fac-pill:hover,
.uec-fac-pill:hover {
  background: #e2ece6;
  border-color: var(--uec-green-dark);
}

.fac-pill.active,
.uec-fac-pill.active {
  background: var(--uec-green-dark) !important;
  color: #ffffff !important;
  border-color: var(--uec-green-dark) !important;
  box-shadow: 0 3px 10px rgba(14, 61, 41, 0.25);
  font-weight: 700;
}

.fac-benefit-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--uec-green-dark);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--uec-green-light);
}

.fac-proposal-item {
  background: #ffffff;
  border: 1px solid var(--uec-border);
  border-left: 4px solid var(--uec-green-dark);
  border-radius: var(--uec-radius-sm);
  padding: 1rem 1.2rem;
  margin-bottom: 0.85rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: all 0.2s ease;
  box-shadow: 0 1px 4px rgba(0,0,0,0.03);
}

.fac-proposal-item:hover {
  transform: translateX(4px);
  border-left-color: var(--uec-gold);
  box-shadow: var(--uec-shadow-sm);
}

.fac-proposal-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.fac-proposal-text h5 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--uec-green-dark);
  margin-bottom: 4px;
}

.fac-proposal-text p {
  font-size: 0.88rem;
  color: #4b5563;
  line-height: 1.55;
  margin: 0;
}

/* Tabla de Honor Oficial */
.uec-leaderboard-card {
  background: #ffffff;
  border: 1px solid var(--uec-border);
  border-radius: var(--uec-radius-md);
  box-shadow: var(--uec-shadow-sm);
  overflow: hidden;
}

.uec-table {
  width: 100%;
  border-collapse: collapse;
}

.uec-table th {
  background: var(--uec-green-light);
  color: var(--uec-green-dark);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.9rem 1.2rem;
  text-align: left;
  border-bottom: 2px solid var(--uec-border);
}

.uec-table td {
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid var(--uec-border-subtle);
  font-size: 0.9rem;
  color: #374151;
}

/* Footer Oficial Externado */
.uec-footer {
  background-color: var(--uec-topbar-black);
  color: #9ca3af;
  padding: 3.5rem 1.5rem 1.5rem;
  border-top: 4px solid var(--uec-green-dark);
  font-size: 0.88rem;
}

.uec-footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 800px) {
  .uec-footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.uec-footer-title {
  font-family: 'Montserrat', sans-serif;
  color: #ffffff;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.uec-footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  line-height: 2.2;
}

.uec-footer-links a {
  color: #d1d5db;
  text-decoration: none;
  transition: color 0.2s ease;
}

.uec-footer-links a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.uec-footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.8rem;
  color: #6b7280;
}

/* ==========================================================================
   SISTEMA DE MENÚ MÓVIL DESPLEGABLE (DRAWER & BACKDROP)
   ========================================================================== */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  font-size: 1.4rem;
  border-radius: 6px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mobile-menu-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.mobile-nav-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-nav-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  max-width: 85vw;
  height: 100vh;
  height: 100dvh;
  background: #ffffff;
  z-index: 10001;
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

.mobile-nav-drawer.active {
  right: 0;
}

.mobile-nav-header {
  padding: 1.2rem;
  background: var(--uec-green-dark);
  color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mobile-nav-close {
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 1.4rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
}

.mobile-nav-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.mobile-nav-user-badge {
  padding: 0.8rem 1.2rem;
  background: var(--uec-green-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--uec-border);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  padding: 0.8rem 0;
  flex: 1;
}

.mobile-nav-item {
  padding: 0.85rem 1.4rem;
  color: var(--uec-green-dark);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  border-bottom: 1px solid var(--uec-border-subtle);
  display: flex;
  align-items: center;
  gap: 10px;
  transition: background-color 0.2s ease;
}

.mobile-nav-item:hover,
.mobile-nav-item:active {
  background-color: var(--uec-green-light);
}

.mobile-nav-footer {
  padding: 1.2rem;
  border-top: 1px solid var(--uec-border);
  background: #fdfdfd;
}

/* ==========================================================================
   ARQUITECTURA 100% RESPONSIVA (TABLETS Y MÓVILES)
   ========================================================================== */

/* Prevenir desborde horizontal global */
html, body {
  overflow-x: hidden !important;
  max-width: 100vw !important;
}

/* Tablets & Laptops Pequeñas (<= 992px) */
@media (max-width: 992px) {
  .uec-nav-menu {
    display: none !important;
  }
  
  .mobile-menu-btn {
    display: flex !important;
  }
  
  .header-user-status {
    display: none !important;
  }

  .uec-hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: left;
  }

  .uec-hero-title {
    font-size: clamp(2rem, 5.5vw, 2.8rem);
  }

  .uec-vote-machine-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .uec-portrait-wrapper {
    order: -1;
    margin-bottom: 1rem;
  }

  .uec-portrait-card {
    max-width: 380px;
  }

  .uec-portrait-card img {
    height: 320px;
  }
}

/* Móviles & Smartphones (<= 768px) */
@media (max-width: 768px) {
  .uec-top-bar {
    padding: 0.35rem 1rem;
    font-size: 0.72rem;
  }

  .uec-top-nav-links a:not(.uec-burgundy-pill) {
    display: none !important;
  }

  .uec-top-container {
    justify-content: space-between;
  }

  .uec-nav-container {
    padding: 0.6rem 1rem;
  }

  .uec-candidate-title {
    font-size: 1.05rem;
  }

  .uec-candidate-sub {
    font-size: 0.62rem;
  }

  .uec-search-ticker-bar {
    padding: 0.5rem 1rem;
  }

  .uec-ticker-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .uec-hero-section {
    padding: 2.5rem 1rem 3rem;
  }

  .uec-hero-desc {
    font-size: 1rem;
    line-height: 1.6;
  }

  .uec-hero-ctas {
    flex-direction: column;
    width: 100%;
  }

  .uec-hero-ctas .uec-btn {
    width: 100%;
    text-align: center;
  }

  .uec-metrics-row {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.8rem;
    padding: 1rem;
  }

  .uec-metric-val {
    font-size: 1.35rem;
  }

  .uec-metric-lbl {
    font-size: 0.68rem;
  }

  .uec-console-input-row {
    flex-direction: column;
  }

  .uec-console-input-row button {
    width: 100%;
  }

  .uec-section {
    padding: 3rem 1rem;
  }

  .uec-section-title {
    font-size: 1.75rem;
  }

  .uec-section-subtitle {
    font-size: 0.95rem;
  }

  .uec-cards-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .tasks-container {
    grid-template-columns: 1fr !important;
    gap: 1.5rem;
  }

  .bio-card-highlight {
    flex-direction: column !important;
  }

  .bio-photo-box img {
    height: 260px !important;
  }

  .uec-leaderboard-card {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
  }

  .uec-table {
    min-width: 540px;
  }

  /* Ajuste de Carné de Votante en Móviles */
  .carnet-body {
    flex-direction: column;
    text-align: center;
  }

  /* Chatbot en Pantallas Pequeñas */
  .ai-chat-window {
    width: calc(100vw - 20px) !important;
    left: 10px !important;
    right: 10px !important;
    bottom: 10px !important;
    max-height: 85vh !important;
    border-radius: 14px !important;
  }

  .nestor-walker {
    bottom: 15px !important;
    right: 15px !important;
    transform: scale(0.85);
    transform-origin: bottom right;
  }
}

/* Pantallas Extra Pequeñas (<= 400px - iPhone SE / Galaxy Mini) */
@media (max-width: 400px) {
  .uec-brand-text {
    max-width: 180px;
  }

  .uec-candidate-title {
    font-size: 0.95rem;
  }

  .uec-metrics-row {
    grid-template-columns: 1fr !important;
  }
}