/* ============================================
   SISTEMA DE DISEÑO CORPORATIVO
   Portal de Operaciones - Grupo Insurex
   ============================================ */

/* Prevenir FOUC (Flash of Unstyled Content) - solo ocultar si el script no se ha ejecutado */
html:not([data-theme-loaded]):not([data-theme]) body {
  opacity: 0;
  transition: opacity 0.1s;
}

html[data-theme-loaded] body,
html[data-theme] body {
  opacity: 1;
}

/* ============================================
   1. VARIABLES CSS - PALETA CORPORATIVA
   ============================================ */
:root {
  /* Colores Primarios - Azul Corporativo */
  --color-primary: #1f3a8a;
  --color-primary-dark: #152a6b;
  --color-primary-darker: #0f1f4d;
  --color-primary-light: #3b5fc7;
  --color-primary-lighter: #5b7fd9;
  --color-primary-ultra-light: #e8ebf9;
  
  /* Colores Neutros */
  --color-background: #f8f9fa;
  --color-surface: #ffffff;
  --color-surface-secondary: #f1f3f5;
  --color-text: #1a1d29;
  --color-text-secondary: #4a5568;
  --color-text-tertiary: #718096;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  --color-border-dark: #cbd5e0;
  
  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.1), 0 2px 4px -1px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -2px rgba(15, 23, 42, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
  --shadow-primary: 0 4px 14px 0 rgba(31, 58, 138, 0.15);
  
  /* Estados - Colores Funcionales */
  --color-success: #059669;
  --color-success-light: #d1fae5;
  --color-success-dark: #047857;
  --color-warning: #d97706;
  --color-warning-light: #fef3c7;
  --color-warning-dark: #b45309;
  --color-error: #dc2626;
  --color-error-light: #fee2e2;
  --color-error-dark: #b91c1c;
  --color-info: #0284c7;
  --color-info-light: #e0f2fe;
  --color-info-dark: #0369a1;
  
  /* Tipografía */
  --font-family-base: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-family-mono: 'SF Mono', 'Monaco', 'Consolas', monospace;
  
  /* Tamaños de Fuente */
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */
  
  /* Pesos de Fuente */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Espaciado */
  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 1rem;      /* 16px */
  --spacing-lg: 1.5rem;    /* 24px */
  --spacing-xl: 2rem;      /* 32px */
  --spacing-2xl: 3rem;     /* 48px */
  
  /* Bordes */
  --border-radius-sm: 0.375rem;   /* 6px */
  --border-radius-md: 0.5rem;     /* 8px */
  --border-radius-lg: 0.75rem;    /* 12px */
  --border-radius-xl: 1rem;       /* 16px */
  --border-radius-full: 9999px;
  
  /* Transiciones */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ============================================
   TEMA OSCURO EMPRESARIAL - DARK-FIRST DESIGN
   ============================================ */
[data-theme="dark"] {
  /* Colores Primarios - Azul Corporativo (más brillante para modo oscuro) */
  --color-primary: #3b82f6;
  --color-primary-dark: #2563eb;
  --color-primary-darker: #1e40af;
  --color-primary-light: #60a5fa;
  --color-primary-lighter: #93c5fd;
  --color-primary-ultra-light: rgba(59, 130, 246, 0.15);
  
  /* Fondos - Tonos oscuros profesionales (no negro puro) */
  --color-background: #0F172A;        /* Dark navy / slate */
  --color-surface: #1F2937;           /* Cards y superficies */
  --color-surface-secondary: #242C3A;  /* Superficies secundarias */
  
  /* Texto - Alto contraste pero suave */
  --color-text: #E5E7EB;              /* Texto principal - soft white */
  --color-text-secondary: #9CA3AF;    /* Texto secundario - muted gray */
  --color-text-tertiary: #6B7280;     /* Texto terciario - más muted */
  
  /* Bordes - Sutiles y discretos */
  --color-border: #374151;           /* Bordes principales */
  --color-border-light: #4B5563;     /* Bordes claros */
  --color-border-dark: #1F2937;      /* Bordes oscuros */
  
  /* Sombras - Más pronunciadas en modo oscuro */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.6), 0 2px 4px -1px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.7), 0 4px 6px -2px rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.8), 0 10px 10px -5px rgba(0, 0, 0, 0.7);
  --shadow-primary: 0 4px 14px 0 rgba(59, 130, 246, 0.3);
  
  /* Estados - Colores Funcionales (muted pero visibles) */
  --color-success: #10b981;
  --color-success-light: rgba(16, 185, 129, 0.2);
  --color-success-dark: #059669;
  --color-warning: #f59e0b;
  --color-warning-light: rgba(245, 158, 11, 0.2);
  --color-warning-dark: #d97706;
  --color-error: #ef4444;
  --color-error-light: rgba(239, 68, 68, 0.2);
  --color-error-dark: #dc2626;
  --color-info: #3b82f6;
  --color-info-light: rgba(59, 130, 246, 0.2);
  --color-info-dark: #2563eb;
}

/* ============================================
   2. RESET Y ESTILOS BASE
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

[data-theme="dark"] body {
  color: var(--color-text);
  background-color: var(--color-background);
}

/* ============================================
   3. TIPOGRAFÍA - JERARQUÍA VISUAL
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

/* Asegurar buen contraste en modo oscuro para headings */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
  color: var(--color-text);
}

h1 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
}

h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
}

h5 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
}

h6 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
}

p {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--color-text-secondary);
}

[data-theme="dark"] p {
  color: var(--color-text-secondary);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

[data-theme="dark"] a {
  color: var(--color-primary-light);
}

[data-theme="dark"] a:hover {
  color: var(--color-primary-lighter);
  text-decoration: underline;
}

a:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--border-radius-sm);
}

/* ============================================
   4. LAYOUT CORPORATIVO
   ============================================ */

/* Sidebar / Header Lateral */
.app-header {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 270px;
  background: linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #ffffff;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  z-index: var(--z-fixed);
  transition: background-color var(--transition-slow), box-shadow var(--transition-slow);
}

[data-theme="dark"] .app-header {
  background: #0F172A; /* Very dark navy / charcoal blue */
  border-right: 1px solid var(--color-border);
}

.app-header__inner {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  padding: var(--spacing-xl) var(--spacing-lg);
  overflow-y: auto;
  overflow-x: visible;
}

.app-header__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xl);
  letter-spacing: 0.02em;
}

.app-header__brand-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-sm);
  width: 100%;
  position: relative;
}

.app-header__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: #ffffff;
  white-space: nowrap;
}

.app-header__user {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-full);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background-color: rgba(255, 255, 255, 0.1);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  color: #ffffff;
  flex-shrink: 0;
}

.app-header__user:hover {
  background-color: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.25);
}

.app-header__user.is-open {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Dropdown del usuario */
.app-header__user-dropdown {
  position: fixed;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  z-index: 99999;
  display: none;
  flex-direction: column;
  overflow: hidden;
  margin-top: var(--spacing-xs);
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.app-header__user-dropdown.is-open {
  display: flex !important;
  visibility: visible !important;
  opacity: 1 !important;
}

[data-theme="dark"] .app-header__user-dropdown {
  background-color: var(--color-surface);
  border-color: var(--color-border);
}

.app-header__user-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: background-color var(--transition-base);
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  width: 100%;
}

.app-header__user-dropdown-item:hover {
  background-color: var(--color-surface-secondary);
}

[data-theme="dark"] .app-header__user-dropdown-item {
  color: var(--color-text);
}

[data-theme="dark"] .app-header__user-dropdown-item:hover {
  background-color: var(--color-surface-secondary);
}

.app-header__user-dropdown-item-icon {
  font-size: var(--font-size-base);
  line-height: 1;
}

/* Material Icons */
.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
  vertical-align: middle;
}

.app-header__user-dropdown-item-icon.material-symbols-outlined,
.theme-toggle__icon.material-symbols-outlined {
  font-size: 20px;
}

.app-header__avatar {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  border-radius: 50%;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.3);
  flex-shrink: 0;
}

.app-header__name {
  white-space: nowrap;
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: inline-block;
}

.app-header__name {
  white-space: nowrap;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-header__logo {
  height: 96px;
  width: auto;
  display: block;
  background-color: #ffffff;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg) var(--spacing-xl);
  filter: drop-shadow(var(--shadow-md));
  transition: filter var(--transition-slow);
}

.app-header__nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  width: 100%;
  flex: 1;
}

.app-header__link {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  border: 1px solid transparent;
}

[data-theme="dark"] .app-header__link {
  color: var(--color-text-secondary);
}

[data-theme="dark"] .app-header__link:hover,
[data-theme="dark"] .app-header__link:focus {
  color: var(--color-text);
  background-color: rgba(255, 255, 255, 0.05);
}

.app-header__link:hover,
.app-header__link:focus {
  background-color: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateX(2px);
  text-decoration: none;
}

.app-header__link.is-active {
  background-color: #ffffff;
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
}

[data-theme="dark"] .app-header__link.is-active {
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

/* Estilos para submenús */
.app-header__menu-group {
  display: flex;
  flex-direction: column;
}

.app-header__menu-toggle {
  justify-content: space-between;
  cursor: pointer;
  width: 100%;
  text-align: left;
  background: none;
  border: 1px solid transparent;
  color: rgba(255, 255, 255, 0.85);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.app-header__menu-toggle:hover,
.app-header__menu-toggle:focus {
  background-color: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateX(2px);
}

[data-theme="dark"] .app-header__menu-toggle {
  color: var(--color-text-secondary);
}

[data-theme="dark"] .app-header__menu-toggle:hover,
[data-theme="dark"] .app-header__menu-toggle:focus {
  color: var(--color-text);
  background-color: rgba(255, 255, 255, 0.05);
}

.app-header__menu-icon {
  font-size: 18px;
  transition: transform var(--transition-base);
  margin-left: auto;
}

.app-header__menu-toggle[aria-expanded="true"] .app-header__menu-icon {
  transform: rotate(90deg);
}

.app-header__submenu {
  list-style: none;
  margin: 0;
  padding: 0;
  padding-left: var(--spacing-md);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.app-header__menu-toggle[aria-expanded="true"] + .app-header__submenu {
  max-height: 500px;
  padding-top: var(--spacing-xs);
  padding-bottom: var(--spacing-xs);
}


.app-header__submenu-link {
  padding-left: var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  color: rgba(255, 255, 255, 0.9);
  opacity: 1;
}

.app-header__submenu-link:hover,
.app-header__submenu-link:focus {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.15);
  opacity: 1;
}

[data-theme="dark"] .app-header__submenu-link {
  color: var(--color-text-secondary);
}

[data-theme="dark"] .app-header__submenu-link:hover,
[data-theme="dark"] .app-header__submenu-link:focus {
  color: var(--color-text);
  background-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .app-header__title {
  color: var(--color-text);
}

[data-theme="dark"] .app-header__user {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--color-border);
  color: var(--color-text);
}

[data-theme="dark"] .app-header__user:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--color-border-light);
}

[data-theme="dark"] .app-header__logout {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--color-border);
  color: var(--color-text);
}

[data-theme="dark"] .app-header__logout:hover,
[data-theme="dark"] .app-header__logout:focus {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-border-light);
}

.app-header__logout {
  margin-top: auto;
  align-self: stretch;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: inherit;
}

.app-header__logout:hover,
.app-header__logout:focus {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.app-header__logout:active {
  transform: translateY(0);
}

.app-header__logout.is-loading {
  opacity: 0.6;
  cursor: wait;
  pointer-events: none;
}

/* Área Principal de Contenido */
.app-main {
  padding: var(--spacing-xl) var(--spacing-xl) 120px;
  min-height: calc(100vh - 80px);
  margin-left: 270px;
  transition: margin-left var(--transition-slow), padding var(--transition-slow);
  color: var(--color-text);
  background-color: var(--color-background);
}

[data-theme="dark"] .app-main {
  color: var(--color-text);
  background-color: var(--color-background);
}

/* Footer */
.app-footer {
  position: fixed;
  left: 270px;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #ffffff;
  text-align: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  z-index: var(--z-sticky);
  transition: background-color var(--transition-slow);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .app-footer {
  background: #0F172A;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.app-footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  font-weight: var(--font-weight-medium);
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-md);
  color: #ffffff;
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-md);
  width: 100%;
  font-family: inherit;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.theme-toggle:active {
  transform: translateY(0);
}

.theme-toggle__icon {
  font-size: var(--font-size-lg);
  display: inline-block;
  transition: transform var(--transition-slow);
  line-height: 1;
}

.theme-toggle:hover .theme-toggle__icon {
  transform: rotate(15deg) scale(1.1);
}

.theme-toggle__text {
  font-size: var(--font-size-sm);
}

/* ============================================
   5. COMPONENTES: BOTONES
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: 1px solid transparent;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Botón Primario */
.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-primary);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Botón Secundario */
.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border-dark);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-surface-secondary);
  border-color: var(--color-border);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

[data-theme="dark"] .btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}

[data-theme="dark"] .btn-secondary:hover:not(:disabled) {
  background-color: var(--color-surface-secondary);
  border-color: var(--color-border-light);
}

.btn-secondary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Botón de Éxito */
.btn-success {
  background-color: var(--color-success);
  color: #ffffff;
  border-color: var(--color-success);
}

.btn-success:hover:not(:disabled) {
  background-color: var(--color-success-dark);
  border-color: var(--color-success-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px 0 rgba(5, 150, 105, 0.2);
}

/* Botón de Peligro */
.btn-danger {
  background-color: var(--color-error);
  color: #ffffff;
  border-color: var(--color-error);
}

.btn-danger:hover:not(:disabled) {
  background-color: var(--color-error-dark);
  border-color: var(--color-error-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px 0 rgba(220, 38, 38, 0.2);
}

/* Tamaños de Botones */
.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
}

/* Botón de Ancho Completo */
.btn-block {
  width: 100%;
  display: flex;
}

/* Grupo de Botones */
.button-group {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  align-items: center;
}

.button-group .btn {
  flex: 1 1 auto;
}

/* ============================================
   6. COMPONENTES: FORMULARIOS
   ============================================ */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  line-height: 1.5;
}

.form-group label.required::after {
  content: ' *';
  color: var(--color-error);
  font-weight: var(--font-weight-bold);
}

.form-group .form-help {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  line-height: 1.4;
}

/* Inputs y Selects */
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="tel"],
.form-group input[type="url"],
.form-group input[type="date"],
.form-group input[type="datetime-local"],
.form-group input[type="time"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(31, 58, 138, 0.1);
}

.form-group input:disabled,
.form-group select:disabled,
.form-group textarea:disabled {
  background-color: var(--color-surface-secondary);
  color: var(--color-text-tertiary);
  cursor: not-allowed;
  opacity: 0.6;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-tertiary);
  opacity: 1;
}

.form-group input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

.form-group input[type="number"]::-webkit-outer-spin-button,
.form-group input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Select con flecha personalizada */
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%231f3a8a' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-md) center;
  background-size: 12px;
  padding-right: calc(var(--spacing-xl) + 12px);
}

/* Estilos específicos para modo oscuro - Formularios */
[data-theme="dark"] .form-group label {
  color: var(--color-text);
}

[data-theme="dark"] .form-group input[type="text"],
[data-theme="dark"] .form-group input[type="email"],
[data-theme="dark"] .form-group input[type="password"],
[data-theme="dark"] .form-group input[type="number"],
[data-theme="dark"] .form-group input[type="tel"],
[data-theme="dark"] .form-group input[type="url"],
[data-theme="dark"] .form-group input[type="date"],
[data-theme="dark"] .form-group input[type="datetime-local"],
[data-theme="dark"] .form-group input[type="time"],
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea {
  color: var(--color-text);
  background-color: var(--color-surface);
  border-color: var(--color-border);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group select:focus,
[data-theme="dark"] .form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .form-group input::placeholder,
[data-theme="dark"] .form-group textarea::placeholder {
  color: var(--color-text-tertiary);
}

[data-theme="dark"] .form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2360a5fa' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

[data-theme="dark"] .form-group .form-help {
  color: var(--color-text-secondary);
}

/* Textarea */
.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

/* Checkboxes y Radio Buttons */
.form-group input[type="checkbox"],
.form-group input[type="radio"] {
  width: auto;
  margin-right: var(--spacing-sm);
  cursor: pointer;
}

.checkbox-group,
.radio-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.checkbox-group label,
.radio-group label {
  display: flex;
  align-items: center;
  margin-bottom: 0;
  font-weight: var(--font-weight-normal);
  cursor: pointer;
}

/* Filas de Formulario */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.form-row:last-child {
  margin-bottom: 0;
}

/* Sección de Formulario */
.form-section {
  background-color: var(--color-surface);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.form-section:last-child {
  margin-bottom: 0;
}

/* ============================================
   7. COMPONENTES: CARDS / CONTENEDORES
   ============================================ */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-dark);
}

[data-theme="dark"] .card {
  background-color: var(--color-surface);
  border-color: var(--color-border);
}

[data-theme="dark"] .card:hover {
  background-color: var(--color-surface-secondary);
  border-color: var(--color-border-light);
}

.card__header {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

[data-theme="dark"] .card__title {
  color: var(--color-text);
}

.card__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

[data-theme="dark"] .card__subtitle {
  color: var(--color-text-secondary);
}

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

.card__body:last-child {
  margin-bottom: 0;
}

.card__footer {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

/* ============================================
   8. COMPONENTES: TABLAS
   ============================================ */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--color-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-surface);
  font-size: var(--font-size-sm);
}

table thead {
  background-color: var(--color-primary-ultra-light);
  border-bottom: 2px solid var(--color-primary);
}

[data-theme="dark"] table thead {
  background-color: var(--color-surface-secondary);
  border-bottom-color: var(--color-primary);
}

table th {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary-dark);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

table td {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

table tbody tr:hover {
  background-color: var(--color-surface-secondary);
}

[data-theme="dark"] table tbody tr:hover {
  background-color: var(--color-surface-secondary);
  opacity: 1;
}

table tbody tr:last-child td {
  border-bottom: none;
}

table tfoot {
  background-color: var(--color-surface-secondary);
  font-weight: var(--font-weight-semibold);
}

table tfoot td {
  border-top: 2px solid var(--color-border-dark);
}

/* ============================================
   9. COMPONENTES: MENSAJES Y ALERTAS
   ============================================ */
.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  border: 1px solid;
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.alert:last-child {
  margin-bottom: 0;
}

.alert-success {
  background-color: var(--color-success-light);
  border-color: var(--color-success);
  color: var(--color-success-dark);
}

.alert-warning {
  background-color: var(--color-warning-light);
  border-color: var(--color-warning);
  color: var(--color-warning-dark);
}

.alert-error,
.alert-danger {
  background-color: var(--color-error-light);
  border-color: var(--color-error);
  color: var(--color-error-dark);
}

.alert-info {
  background-color: var(--color-info-light);
  border-color: var(--color-info);
  color: var(--color-info-dark);
}

[data-theme="dark"] .alert-success {
  background-color: var(--color-success-light);
  border-color: var(--color-success);
  color: #10b981;
}

[data-theme="dark"] .alert-warning {
  background-color: var(--color-warning-light);
  border-color: var(--color-warning);
  color: #f59e0b;
}

[data-theme="dark"] .alert-error,
[data-theme="dark"] .alert-danger {
  background-color: var(--color-error-light);
  border-color: var(--color-error);
  color: #ef4444;
}

[data-theme="dark"] .alert-info {
  background-color: var(--color-info-light);
  border-color: var(--color-info);
  color: #3b82f6;
}

.error {
  background-color: var(--color-error-light);
  color: var(--color-error-dark);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  border-left: 4px solid var(--color-error);
  margin-bottom: var(--spacing-lg);
}

[data-theme="dark"] .error {
  background-color: var(--color-error-light);
  color: #ef4444;
  border-left-color: var(--color-error);
}

.error:last-child {
  margin-bottom: 0;
}

/* ============================================
   10. UTILIDADES
   ============================================ */
.hidden {
  display: none !important;
}

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

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

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

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* ============================================
   11. COMPONENTES ESPECÍFICOS DEL PORTAL
   ============================================ */
.page-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #ffffff;
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  box-shadow: var(--shadow-md);
}

.page-banner h1 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-sm);
  color: #ffffff;
  font-weight: var(--font-weight-bold);
}

.page-banner p {
  font-size: var(--font-size-base);
  opacity: 0.9;
  color: rgba(255, 255, 255, 0.95);
  margin: 0;
}

[data-theme="dark"] .page-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #ffffff;
  box-shadow: var(--shadow-xl);
}

[data-theme="dark"] .page-banner h1,
[data-theme="dark"] .page-banner h2,
[data-theme="dark"] .page-banner p {
  color: #ffffff;
}

.content {
  padding: var(--spacing-xl);
  color: var(--color-text);
}

[data-theme="dark"] .content {
  color: var(--color-text);
}

.content--leads {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  background: transparent;
  padding: var(--spacing-xl);
}

.leads-form-card,
.leads-results-card {
  width: 100%;
}

.leads-page .container {
  width: 100%;
  max-width: none;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.leads-page .page-banner {
  border-radius: var(--border-radius-xl) var(--border-radius-xl) 0 0;
}

.leads-results-card {
  padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-xl);
}

.leads-results-card .table-wrapper {
  margin: 0 calc(-1 * var(--spacing-sm));
  padding: 0 var(--spacing-sm);
}

.loading {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

/* ============================================
   12. COMPONENTES EMPRESARIALES AVANZADOS
   ============================================ */

/* Breadcrumbs */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.breadcrumb__link {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-base);
}

.breadcrumb__link:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

[data-theme="dark"] .breadcrumb__link {
  color: var(--color-text-secondary);
}

[data-theme="dark"] .breadcrumb__link:hover {
  color: var(--color-primary-light);
}

[data-theme="dark"] .breadcrumb__current {
  color: var(--color-text);
}

[data-theme="dark"] .breadcrumb__separator {
  color: var(--color-text-tertiary);
}

.breadcrumb__separator {
  color: var(--color-text-tertiary);
  user-select: none;
}

.breadcrumb__current {
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
}

[data-theme="dark"] .breadcrumb__link {
  color: var(--color-text-secondary);
}

[data-theme="dark"] .breadcrumb__link:hover {
  color: var(--color-primary-light);
}

[data-theme="dark"] .breadcrumb__current {
  color: var(--color-text);
}

[data-theme="dark"] .breadcrumb__separator {
  color: var(--color-text-tertiary);
}

/* Header Superior con Breadcrumbs */
.page-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-lg) var(--spacing-xl);
  margin: calc(-1 * var(--spacing-xl)) calc(-1 * var(--spacing-xl)) var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

[data-theme="dark"] .page-header {
  background-color: var(--color-surface);
  border-bottom-color: var(--color-border);
}

.page-header__title-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.page-header__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin: 0;
}

.page-header__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Tabs con Indicador de Subrayado */
.tabs {
  display: flex;
  gap: var(--spacing-lg);
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--spacing-xl);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tabs__item {
  position: relative;
  padding: var(--spacing-md) var(--spacing-sm);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  border: none;
  background: none;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--transition-base);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  font-family: inherit;
}

.tabs__item:hover {
  color: var(--color-primary);
}

.tabs__item.is-active {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  border-bottom-color: var(--color-primary);
}

[data-theme="dark"] .tabs {
  border-bottom-color: var(--color-border);
}

[data-theme="dark"] .tabs__item {
  color: var(--color-text-secondary);
}

[data-theme="dark"] .tabs__item:hover {
  color: var(--color-primary-light);
}

[data-theme="dark"] .tabs__item.is-active {
  color: var(--color-primary-light);
  border-bottom-color: var(--color-primary);
}

.tabs__item:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--border-radius-sm);
}

.tab-content {
  display: none;
}

.tab-content.is-active {
  display: block;
}

/* Badges / Etiquetas de Estado */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  border-radius: var(--border-radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.badge--success {
  background-color: var(--color-success-light);
  color: var(--color-success-dark);
}

.badge--warning {
  background-color: var(--color-warning-light);
  color: var(--color-warning-dark);
}

.badge--error,
.badge--danger {
  background-color: var(--color-error-light);
  color: var(--color-error-dark);
}

.badge--info {
  background-color: var(--color-info-light);
  color: var(--color-info-dark);
}

.badge--primary {
  background-color: var(--color-primary-ultra-light);
  color: var(--color-primary-dark);
}

.badge--neutral {
  background-color: var(--color-surface-secondary);
  color: var(--color-text-secondary);
}

[data-theme="dark"] .badge--success {
  background-color: var(--color-success-light);
  color: #10b981;
}

[data-theme="dark"] .badge--warning {
  background-color: var(--color-warning-light);
  color: #f59e0b;
}

[data-theme="dark"] .badge--error,
[data-theme="dark"] .badge--danger {
  background-color: var(--color-error-light);
  color: #ef4444;
}

[data-theme="dark"] .badge--info {
  background-color: var(--color-info-light);
  color: #3b82f6;
}

[data-theme="dark"] .badge--primary {
  background-color: var(--color-primary-ultra-light);
  color: #60a5fa;
}

[data-theme="dark"] .badge--neutral {
  background-color: var(--color-surface-secondary);
  color: var(--color-text-secondary);
}

/* Timeline / Status Steps */
.timeline {
  position: relative;
  padding-left: var(--spacing-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-border);
}

[data-theme="dark"] .timeline::before {
  background-color: var(--color-border);
}

.timeline__item {
  position: relative;
  padding-bottom: var(--spacing-xl);
  padding-left: var(--spacing-lg);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  z-index: 1;
}

.timeline__item.is-completed::before {
  background-color: var(--color-success);
  border-color: var(--color-success);
}

.timeline__item.is-active::before {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-ultra-light);
}

[data-theme="dark"] .timeline__item.is-active::before {
  box-shadow: 0 0 0 4px var(--color-primary-ultra-light);
}

.timeline__item.is-completed,
.timeline__item.is-active {
  opacity: 1;
}

.timeline__item.is-pending {
  opacity: 0.5;
}

.timeline__item.is-pending::before {
  background-color: var(--color-border);
  border-color: var(--color-border);
}

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

.timeline__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin: 0;
}

.timeline__date {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin: 0;
}

.timeline__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: var(--spacing-xs) 0 0 0;
}

.timeline__meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-top: var(--spacing-xs);
}

/* Panel Lateral Derecho */
.side-panel {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .side-panel {
  background-color: var(--color-surface);
  border-color: var(--color-border);
}

.side-panel__header {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.side-panel__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin: 0 0 var(--spacing-xs) 0;
}

.side-panel__tabs {
  display: flex;
  gap: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
}

.side-panel__tab {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  border: none;
  background: none;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: calc(-1 * var(--spacing-sm) - 1px);
  transition: color var(--transition-base);
  font-family: inherit;
}

.side-panel__tab:hover {
  color: var(--color-primary);
}

.side-panel__tab.is-active {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  border-bottom-color: var(--color-primary);
}

/* Layout Multi-Columna */
.layout-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--spacing-xl);
  align-items: start;
}

.layout-grid--single {
  grid-template-columns: 1fr;
}

.layout-main {
  min-width: 0; /* Permite que el contenido se ajuste */
}

.layout-sidebar {
  position: sticky;
  top: var(--spacing-xl);
}

/* Información Estructurada (Label-Value) */
.info-block {
  margin-bottom: var(--spacing-lg);
}

.info-block:last-child {
  margin-bottom: 0;
}

.info-block__label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-xs);
}

.info-block__value {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  color: var(--color-text);
  line-height: 1.5;
}

.info-block__value--large {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background-color: var(--color-surface-secondary);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-xl);
}

[data-theme="dark"] .info-grid {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
}

/* Mejoras en Tablas Empresariales */
table tbody tr:nth-child(even) {
  background-color: var(--color-surface-secondary);
}

table tbody tr:nth-child(even):hover {
  background-color: var(--color-border-light);
}

[data-theme="dark"] table tbody tr:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] table tbody tr:nth-child(even):hover {
  background-color: var(--color-surface-secondary);
}

table td.text-right,
table th.text-right {
  text-align: right;
}

table td.text-center,
table th.text-center {
  text-align: center;
}

table td.text-mono {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
}

table td.amount {
  font-family: var(--font-family-mono);
  font-weight: var(--font-weight-semibold);
  text-align: right;
}

table tfoot td.amount {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  border-top: 2px solid var(--color-primary);
  padding-top: var(--spacing-md);
}

/* Barra de Resumen / Summary Bar */
.summary-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-surface-secondary);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  font-size: var(--font-size-sm);
}

[data-theme="dark"] .summary-bar {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
}

.summary-bar__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.summary-bar__label {
  color: var(--color-text-tertiary);
  font-weight: var(--font-weight-medium);
}

.summary-bar__value {
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
}

.summary-bar__divider {
  width: 1px;
  height: 24px;
  background-color: var(--color-border);
}

/* Sección de Información con Iconos */
.info-section {
  margin-bottom: var(--spacing-xl);
}

.info-section__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
}

.info-section__content {
  display: grid;
  gap: var(--spacing-md);
}

/* Acciones con Iconos */
.action-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: inherit;
}

.action-button:hover {
  background-color: var(--color-surface-secondary);
  border-color: var(--color-border-dark);
  color: var(--color-text);
}

.action-button--icon {
  padding: var(--spacing-xs);
  width: 32px;
  height: 32px;
  justify-content: center;
}

/* Indicador de Atención / Warning Indicator */
.attention-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-warning-light);
  border: 1px solid var(--color-warning);
  border-radius: var(--border-radius-md);
  color: var(--color-warning-dark);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.attention-indicator__icon {
  font-size: var(--font-size-base);
}

/* Contenedor de Documentos / Upload Area */
.upload-area {
  border: 2px dashed var(--color-border-dark);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-xl);
  text-align: center;
  background-color: var(--color-surface-secondary);
  transition: all var(--transition-base);
}

.upload-area:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-ultra-light);
}

[data-theme="dark"] .upload-area {
  border-color: var(--color-border);
  background-color: var(--color-surface);
}

[data-theme="dark"] .upload-area:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-ultra-light);
}

.upload-area__icon {
  font-size: var(--font-size-3xl);
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-md);
}

.upload-area__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.upload-area__button {
  margin-top: var(--spacing-sm);
}

/* ============================================
   12.5. MENÚ MÓVIL - HAMBURGUESA Y OVERLAY
   ============================================ */

/* Botón hamburguesa - oculto por defecto (solo visible en móviles) */
.mobile-menu-toggle {
  display: none;
  position: fixed;
  top: var(--spacing-md);
  left: var(--spacing-md);
  z-index: calc(var(--z-fixed) + 10);
  width: 44px;
  height: 44px;
  padding: 0;
  background-color: var(--color-primary);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  outline: none;
}

.mobile-menu-toggle:hover {
  background-color: var(--color-primary-dark);
  border-color: rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
}

.mobile-menu-toggle:active {
  transform: scale(0.95);
}

.mobile-menu-toggle:focus {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

[data-theme="dark"] .mobile-menu-toggle {
  background-color: var(--color-primary);
  border-color: rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] .mobile-menu-toggle:hover {
  background-color: var(--color-primary-dark);
}

.mobile-menu-toggle__icon {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  height: 18px;
  position: relative;
}

.mobile-menu-toggle__line {
  width: 100%;
  height: 2px;
  background-color: #ffffff;
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

/* Estado abierto - transformar en X */
.mobile-menu-toggle[aria-expanded="true"] .mobile-menu-toggle__line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .mobile-menu-toggle__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-menu-toggle[aria-expanded="true"] .mobile-menu-toggle__line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Overlay - oculto por defecto */
.mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: calc(var(--z-fixed) + 5);
  opacity: 0;
  transition: opacity 300ms ease-in-out;
  pointer-events: none;
  will-change: opacity;
}

.mobile-overlay.is-visible {
  display: block;
  opacity: 1;
  pointer-events: all;
}

[data-theme="dark"] .mobile-overlay {
  background-color: rgba(0, 0, 0, 0.7);
}

/* ============================================
   13. RESPONSIVE DESIGN
   ============================================ */

/* Tablet y pantallas medianas (hasta 1024px) - Sidebar más compacto pero visible */
@media (max-width: 1024px) {
  .app-header {
    width: 240px;
  }
  
  .app-main {
    margin-left: 240px;
    padding: var(--spacing-lg) var(--spacing-md) 100px;
  }

  .app-footer {
    left: 240px;
  }

  .leads-page .container {
    padding: 0 var(--spacing-md);
  }
}

/* Tablet pequeña y móviles grandes (hasta 768px) */
@media (max-width: 768px) {
  /* Mostrar botón hamburguesa */
  .mobile-menu-toggle {
    display: flex;
  }
  
  /* Sidebar deslizable - oculto por defecto */
  .app-header {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    max-width: 85vw;
    z-index: calc(var(--z-fixed) + 10);
    box-shadow: var(--shadow-xl);
    transform: translateX(-100%);
    transition: transform 300ms ease-in-out;
    will-change: transform;
    overflow-y: auto;
    overflow-x: hidden;
  }
  
  /* Sidebar abierto */
  .app-header.is-open {
    transform: translateX(0);
  }

  .app-header__inner {
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
  }

  .app-header__brand {
    flex: 1 1 auto;
    min-width: 0;
    gap: var(--spacing-sm);
  }

  .app-header__logo {
    width: 40px;
    height: 40px;
    padding: var(--spacing-sm);
  }

  .app-header__title {
    font-size: var(--font-size-sm);
  }
  
  .app-header__user {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
  }
  
  .app-header__avatar {
    width: 20px;
    height: 20px;
    font-size: 10px;
  }
  
  .app-header__name {
    max-width: 120px;
    font-size: var(--font-size-xs);
  }

  .app-header__nav {
    width: 100%;
    order: 3;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
  }

  .app-header__link {
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    white-space: nowrap;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .theme-toggle {
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: 0;
    min-height: 44px;
  }

  .app-header__logout {
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: 44px;
  }

  .app-main {
    padding: var(--spacing-md) var(--spacing-sm) 80px;
    margin-left: 0;
  }

  .app-footer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    z-index: var(--z-sticky);
  }

  .page-banner {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .page-banner h1 {
    font-size: var(--font-size-2xl);
  }

  .page-banner p {
    font-size: var(--font-size-sm);
  }

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

  .content--leads {
    padding: var(--spacing-md);
    gap: var(--spacing-md);
  }

  .leads-page .container {
    padding: 0;
    border-radius: 0;
  }

  .leads-form-card {
    padding: var(--spacing-md);
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .button-group {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .button-group .btn {
    width: 100%;
  }

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

  .layout-sidebar {
    position: static;
    width: 100%;
  }

  .tabs {
    gap: var(--spacing-sm);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .tabs__item {
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    white-space: nowrap;
  }

  .summary-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .summary-bar__divider {
    display: none;
  }

  .info-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

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

  .card__title {
    font-size: var(--font-size-lg);
  }
}

/* Móviles pequeños (hasta 640px) - Pantallas de 6.7" */
@media (max-width: 640px) {
  /* Sidebar 100% ancho en móviles pequeños */
  .app-header {
    width: 100vw;
    max-width: 100vw;
  }
  
  .app-header__inner {
    padding: var(--spacing-sm);
  }

  .app-header__brand-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }

  .app-header__title {
    font-size: var(--font-size-xs);
  }

  .app-header__user {
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs);
  }
  
  .app-header__avatar {
    width: 18px;
    height: 18px;
    font-size: 9px;
  }
  
  .app-header__name {
    max-width: 100px;
    font-size: 10px;
  }

  .app-header__nav {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .app-header__link {
    display: block;
    width: 100%;
    padding: var(--spacing-sm);
    text-align: left;
    border-radius: var(--border-radius-md);
    background: rgba(255, 255, 255, 0.05);
  }

  .app-header__link:hover {
    background: rgba(255, 255, 255, 0.1);
  }

  .theme-toggle {
    width: 100%;
    margin-bottom: var(--spacing-xs);
  }

  .app-header__logout {
    width: 100%;
    margin-top: var(--spacing-xs);
  }

  .app-main {
    padding: var(--spacing-sm) var(--spacing-xs) 70px;
    margin-left: 0;
  }

  .app-footer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    z-index: var(--z-sticky);
  }

  .page-banner {
    padding: var(--spacing-md) var(--spacing-sm);
    border-radius: 0;
  }

  .page-banner h1 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
  }

  .page-banner p {
    font-size: var(--font-size-xs);
  }

  .content {
    padding: var(--spacing-sm);
  }

  .content--leads {
    padding: var(--spacing-sm);
    gap: var(--spacing-sm);
  }

  .leads-form-card {
    padding: var(--spacing-sm);
  }

  .card {
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
  }

  .card__title {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
  }

  .card__subtitle {
    font-size: var(--font-size-xs);
    margin-bottom: var(--spacing-sm);
  }

  .form-group label {
    font-size: var(--font-size-xs);
    margin-bottom: var(--spacing-xs);
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm);
    min-height: 44px; /* Tamaño táctil mínimo */
  }

  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: 44px; /* Tamaño táctil mínimo */
    font-size: var(--font-size-sm);
  }

  .form-actions {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .form-actions .btn {
    width: 100%;
  }
}

/* Móviles muy pequeños (hasta 480px) */
@media (max-width: 480px) {
  .app-header__logo {
    width: 28px;
    height: 28px;
  }

  .page-banner h1 {
    font-size: var(--font-size-lg);
  }

  .card__title {
    font-size: var(--font-size-sm);
  }
}