/* ============================================
   ERP DESIGN SYSTEM - CSS STYLES
   Color Principal: #333F48 (Charcoal Blue)
   ============================================ */

/* ============================================
   1. VARIABLES CSS - PALETA DE COLORES
   ============================================ */
:root {
  /* Colores Principales */
  --color-primary: #333F48;
  --color-primary-light: #3d4a54;
  --color-primary-dark: #252e35;
  
  /* Colores Secundarios */
  --color-secondary: #8797B2;
  --color-secondary-light: #9aa8c0;
  --color-secondary-dark: #6e7f99;
  
  /* Colores de Acento */
  --color-accent: #66CED6;
  --color-accent-light: #85d8de;
  --color-accent-dark: #4bc4cd;
  
  /* Colores Complementarios */
  --color-slate: #6D8A96;
  --color-blue-slate: #5D707F;
  
  /* Colores de Estado */
  --color-success: #4CAF50;
  --color-success-light: #81C784;
  --color-warning: #FFA726;
  --color-warning-light: #FFB74D;
  --color-error: #EF5350;
  --color-error-light: #E57373;
  --color-info: #66CED6;
  
  /* Colores Neutros */
  --color-white: #FFFFFF;
  --color-gray-50: #F8F9FA;
  --color-gray-100: #F1F3F5;
  --color-gray-200: #E9ECEF;
  --color-gray-300: #DEE2E6;
  --color-gray-400: #CED4DA;
  --color-gray-500: #ADB5BD;
  --color-gray-600: #6C757D;
  --color-gray-700: #495057;
  --color-gray-800: #343A40;
  --color-gray-900: #212529;
  --color-black: #000000;
  
  /* Tipografía */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  --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 */
  
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* 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 */
  --spacing-3xl: 4rem;     /* 64px */
  
  /* Bordes */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  --border-radius-full: 9999px;
  
  --border-width-thin: 1px;
  --border-width-medium: 2px;
  --border-width-thick: 3px;
  
  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgba(51, 63, 72, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(51, 63, 72, 0.1), 0 2px 4px -1px rgba(51, 63, 72, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(51, 63, 72, 0.1), 0 4px 6px -2px rgba(51, 63, 72, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(51, 63, 72, 0.1), 0 10px 10px -5px rgba(51, 63, 72, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(51, 63, 72, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(51, 63, 72, 0.06);
  
  /* Transiciones */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms 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;
  --z-toast: 1080;
}


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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-gray-800);
  background-color: var(--color-gray-100);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


/* ============================================
   3. TIPOGRAFÍA
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-gray-700);
}

a {
  color: var(--color-accent-dark);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-accent { color: var(--color-accent); }
.text-muted { color: var(--color-gray-500); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }

code, pre {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
}

code {
  background-color: var(--color-gray-200);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  color: var(--color-primary);
}


/* ============================================
   4. LAYOUT - CONTENEDORES
   ============================================ */
.erp-container {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

.erp-main-wrapper {
  display: flex;
  flex: 1;
}

.erp-content {
  flex: 1;
  padding: var(--spacing-lg);
  margin-left: 260px; /* Ancho del sidebar */
  margin-top: 64px;   /* Altura del header */
  min-height: calc(100vh - 64px);
}

.erp-content.sidebar-collapsed {
  margin-left: 64px;
}

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}


/* ============================================
   5. HEADER / NAVBAR
   ============================================ */
.erp-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background-color: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
  z-index: var(--z-fixed);
  box-shadow: var(--shadow-md);
}

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

.erp-header__logo {
  height: 36px;
  width: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent);
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  border-radius: var(--border-radius-md);
}

.erp-header__logo img {
  height: 100%;
  width: auto;
}

.erp-header__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin: 0;
}

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

.erp-header__search {
  position: relative;
  width: 320px;
}

.erp-header__search-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  padding-left: 40px;
  background-color: var(--color-primary-light);
  border: 1px solid var(--color-blue-slate);
  border-radius: var(--border-radius-full);
  color: var(--color-white);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.erp-header__search-input::placeholder {
  color: var(--color-gray-400);
}

.erp-header__search-input:focus {
  outline: none;
  background-color: var(--color-primary-dark);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(102, 206, 214, 0.2);
}

.erp-header__search-icon {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-400);
}

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

.erp-header__icon-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--border-radius-md);
  color: var(--color-white);
  cursor: pointer;
  position: relative;
  transition: background-color var(--transition-fast);
}

/* Mobile menu toggle - hidden by default, shown via media query in page CSS */
#mobile-menu-toggle {
  display: none;
}

.erp-header__icon-btn:hover {
  background-color: var(--color-primary-light);
}

.erp-header__badge {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background-color: var(--color-error);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.erp-header__user {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.erp-header__user:hover {
  background-color: var(--color-primary-light);
}

.erp-header__avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-full);
  background-color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

.erp-header__user-info {
  display: flex;
  flex-direction: column;
}

.erp-header__user-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.erp-header__user-role {
  font-size: var(--font-size-xs);
  color: var(--color-gray-400);
}


/* ============================================
   6. SIDEBAR / MENÚ LATERAL
   ============================================ */
.erp-sidebar {
  position: fixed;
  left: 0;
  top: 64px;
  width: 260px;
  height: calc(100vh - 64px);
  background-color: var(--color-white);
  border-right: 1px solid var(--color-gray-200);
  overflow-y: auto;
  z-index: var(--z-sticky);
  transition: width var(--transition-normal);
}

.erp-sidebar.collapsed {
  width: 64px;
}

.erp-sidebar__nav {
  padding: var(--spacing-md) 0;
}

.erp-sidebar__section {
  margin-bottom: var(--spacing-md);
}

.erp-sidebar__section-title {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-500);
}

.erp-sidebar.collapsed .erp-sidebar__section-title {
  display: none;
}

.erp-sidebar__menu {
  list-style: none;
}

.erp-sidebar__item {
  position: relative;
}

.erp-sidebar__link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-lg);
  color: var(--color-gray-700);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.erp-sidebar__link:hover {
  background-color: var(--color-gray-100);
  color: var(--color-primary);
  text-decoration: none;
}

.erp-sidebar__link.active {
  background-color: rgba(102, 206, 214, 0.1);
  color: var(--color-primary);
  border-left-color: var(--color-accent);
}

.erp-sidebar__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-slate);
}

.erp-sidebar__link.active .erp-sidebar__icon {
  color: var(--color-accent);
}

.erp-sidebar__text {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.erp-sidebar.collapsed .erp-sidebar__text {
  display: none;
}

.erp-sidebar__badge {
  padding: 2px 8px;
  background-color: var(--color-accent);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--border-radius-full);
}

.erp-sidebar.collapsed .erp-sidebar__badge {
  display: none;
}

/* Submenú */
.erp-sidebar__submenu {
  list-style: none;
  background-color: var(--color-gray-50);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.erp-sidebar__item.open .erp-sidebar__submenu {
  max-height: 500px;
}

.erp-sidebar__submenu-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-lg);
  padding-left: 56px;
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.erp-sidebar__submenu-link:hover {
  color: var(--color-primary);
  background-color: var(--color-gray-100);
  text-decoration: none;
}

.erp-sidebar__submenu-link.active {
  color: var(--color-accent-dark);
  font-weight: var(--font-weight-medium);
}

.erp-sidebar__arrow {
  transition: transform var(--transition-fast);
}

.erp-sidebar__item.open .erp-sidebar__arrow {
  transform: rotate(180deg);
}


/* ============================================
   7. FOOTER
   ============================================ */
.erp-footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-lg) var(--spacing-xl);
  margin-left: 260px;
}

.erp-footer.sidebar-collapsed {
  margin-left: 64px;
}

.erp-footer__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.erp-footer__copyright {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
}

.erp-footer__links {
  display: flex;
  gap: var(--spacing-lg);
}

.erp-footer__link {
  color: var(--color-gray-300);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.erp-footer__link:hover {
  color: var(--color-accent);
  text-decoration: none;
}

/* Footer compacto para páginas internas */
.erp-footer--compact {
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-gray-100);
  border-top: 1px solid var(--color-gray-200);
}

.erp-footer--compact .erp-footer__copyright {
  color: var(--color-gray-500);
}


/* ============================================
   8. 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-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  text-decoration: none;
  border: var(--border-width-thin) solid transparent;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(102, 206, 214, 0.3);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Variantes de botón */
.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn--primary:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn--secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
}

.btn--secondary:hover:not(:disabled) {
  background-color: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
}

.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
}

.btn--accent:hover:not(:disabled) {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}

.btn--success {
  background-color: var(--color-success);
  color: var(--color-white);
  border-color: var(--color-success);
}

.btn--success:hover:not(:disabled) {
  background-color: #43A047;
  border-color: #43A047;
}

.btn--warning {
  background-color: var(--color-warning);
  color: var(--color-white);
  border-color: var(--color-warning);
}

.btn--warning:hover:not(:disabled) {
  background-color: #FB8C00;
  border-color: #FB8C00;
}

.btn--danger {
  background-color: var(--color-error);
  color: var(--color-white);
  border-color: var(--color-error);
}

.btn--danger:hover:not(:disabled) {
  background-color: #E53935;
  border-color: #E53935;
}

/* Botones outline */
.btn--outline-primary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--outline-primary:hover:not(:disabled) {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--outline-accent {
  background-color: transparent;
  color: var(--color-accent-dark);
  border-color: var(--color-accent);
}

.btn--outline-accent:hover:not(:disabled) {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

.btn--outline-danger {
  background-color: transparent;
  color: var(--color-error);
  border-color: var(--color-error);
}

.btn--outline-danger:hover:not(:disabled) {
  background-color: var(--color-error);
  color: var(--color-white);
}

/* Botón ghost */
.btn--ghost {
  background-color: transparent;
  color: var(--color-gray-700);
  border-color: transparent;
}

.btn--ghost:hover:not(:disabled) {
  background-color: var(--color-gray-100);
  color: var(--color-primary);
}

/* Botón link */
.btn--link {
  background-color: transparent;
  color: var(--color-accent-dark);
  border-color: transparent;
  padding-left: 0;
  padding-right: 0;
}

.btn--link:hover:not(:disabled) {
  color: var(--color-accent);
  text-decoration: underline;
}

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

.btn--sm {
  padding: 6px var(--spacing-md);
  font-size: var(--font-size-sm);
}

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

.btn--xl {
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: var(--font-size-xl);
}

/* Botón de ancho completo */
.btn--block {
  width: 100%;
}

/* Botón con icono solamente */
.btn--icon {
  width: 40px;
  height: 40px;
  padding: 0;
}

.btn--icon.btn--sm {
  width: 32px;
  height: 32px;
}

.btn--icon.btn--lg {
  width: 48px;
  height: 48px;
}

/* Grupo de botones */
.btn-group {
  display: inline-flex;
}

.btn-group .btn {
  border-radius: 0;
}

.btn-group .btn:first-child {
  border-radius: var(--border-radius-md) 0 0 var(--border-radius-md);
}

.btn-group .btn:last-child {
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}

.btn-group .btn:not(:last-child) {
  border-right-width: 0;
}


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

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
}

.form-label--required::after {
  content: " *";
  color: var(--color-error);
}

.form-control {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  border: var(--border-width-thin) solid var(--color-gray-300);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

.form-control:hover {
  border-color: var(--color-gray-400);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(102, 206, 214, 0.2);
}

.form-control:disabled {
  background-color: var(--color-gray-100);
  cursor: not-allowed;
  opacity: 0.7;
}

.form-control::placeholder {
  color: var(--color-gray-400);
}

/* Estados de validación */
.form-control.is-valid {
  border-color: var(--color-success);
}

.form-control.is-valid:focus {
  box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
}

.form-control.is-invalid {
  border-color: var(--color-error);
}

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(239, 83, 80, 0.2);
}

.form-feedback {
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.form-feedback--valid {
  color: var(--color-success);
}

.form-feedback--invalid {
  color: var(--color-error);
}

.form-hint {
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

/* Tamaños de input */
.form-control--sm {
  padding: 6px var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.form-control--lg {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-lg);
}

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

/* Select */
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right var(--spacing-sm) center;
  background-repeat: no-repeat;
  background-size: 20px;
  padding-right: 40px;
}

/* Checkbox y Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.form-check-input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
  appearance: none;
  background-color: var(--color-white);
  border: var(--border-width-medium) solid var(--color-gray-300);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.form-check-input[type="checkbox"] {
  border-radius: var(--border-radius-sm);
}

.form-check-input[type="radio"] {
  border-radius: var(--border-radius-full);
}

.form-check-input:hover {
  border-color: var(--color-accent);
}

.form-check-input:checked {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.form-check-input[type="checkbox"]:checked {
  background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='%23333F48' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M12.207 4.793a1 1 0 010 1.414l-5 5a1 1 0 01-1.414 0l-2-2a1 1 0 011.414-1.414L6.5 9.086l4.293-4.293a1 1 0 011.414 0z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: center;
}

.form-check-input[type="radio"]:checked {
  background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='%23333F48' xmlns='http://www.w3.org/2000/svg'%3e%3ccircle cx='8' cy='8' r='3'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: center;
}

.form-check-input:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(102, 206, 214, 0.3);
}

.form-check-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  cursor: pointer;
}

/* Switch/Toggle */
.form-switch {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.form-switch-input {
  width: 44px;
  height: 24px;
  appearance: none;
  background-color: var(--color-gray-300);
  border-radius: var(--border-radius-full);
  cursor: pointer;
  position: relative;
  transition: background-color var(--transition-fast);
}

.form-switch-input::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background-color: var(--color-white);
  border-radius: var(--border-radius-full);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.form-switch-input:checked {
  background-color: var(--color-accent);
}

.form-switch-input:checked::before {
  transform: translateX(20px);
}

.form-switch-input:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(102, 206, 214, 0.3);
}

/* Input con icono */
.input-group {
  display: flex;
  position: relative;
}

.input-group-prepend,
.input-group-append {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-gray-100);
  border: var(--border-width-thin) solid var(--color-gray-300);
  color: var(--color-gray-600);
}

.input-group-prepend {
  border-right: none;
  border-radius: var(--border-radius-md) 0 0 var(--border-radius-md);
}

.input-group-append {
  border-left: none;
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}

.input-group .form-control {
  flex: 1;
}

.input-group .form-control:not(:first-child) {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.input-group .form-control:not(:last-child) {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

/* Input con icono flotante */
.input-icon-wrapper {
  position: relative;
}

.input-icon-wrapper .form-control {
  padding-left: 40px;
}

.input-icon-wrapper .input-icon {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-400);
  pointer-events: none;
}


/* ============================================
   10. TARJETAS (CARDS)
   ============================================ */
.card {
  background-color: var(--color-white);
  border: var(--border-width-thin) solid var(--color-gray-200);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card--hoverable {
  transition: all var(--transition-fast);
}

.card--hoverable:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card--bordered {
  border-left: 4px solid var(--color-accent);
}

.card__header {
  padding: var(--spacing-lg);
  border-bottom: var(--border-width-thin) solid var(--color-gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin: 0;
}

.card__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-top: var(--spacing-xs);
}

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

.card__footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: var(--border-width-thin) solid var(--color-gray-200);
  background-color: var(--color-gray-50);
}

/* Card con imagen */
.card__image {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* Card estadística */
.card--stat {
  text-align: center;
  padding: var(--spacing-lg);
}

.card--stat .stat-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(102, 206, 214, 0.1);
  border-radius: var(--border-radius-lg);
  color: var(--color-accent);
}

.card--stat .stat-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.card--stat .stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.card--stat .stat-change {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
  padding: 2px var(--spacing-sm);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.card--stat .stat-change--up {
  background-color: rgba(76, 175, 80, 0.1);
  color: var(--color-success);
}

.card--stat .stat-change--down {
  background-color: rgba(239, 83, 80, 0.1);
  color: var(--color-error);
}


/* ============================================
   11. TABLAS
   ============================================ */
.table-container {
  overflow-x: auto;
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
}

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

.table th,
.table td {
  padding: var(--spacing-md);
  text-align: left;
  vertical-align: middle;
  border-bottom: var(--border-width-thin) solid var(--color-gray-200);
}

.table th {
  background-color: var(--color-gray-50);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.table tbody tr {
  transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
  background-color: var(--color-gray-50);
}

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

/* Tabla con bordes */
.table--bordered th,
.table--bordered td {
  border: var(--border-width-thin) solid var(--color-gray-200);
}

/* Tabla striped */
.table--striped tbody tr:nth-child(even) {
  background-color: var(--color-gray-50);
}

/* Tabla compacta */
.table--compact th,
.table--compact td {
  padding: var(--spacing-sm);
}

/* Columna de acciones */
.table__actions {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: flex-end;
}

/* Header ordenable */
.table__sort {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
  user-select: none;
}

.table__sort:hover {
  color: var(--color-accent);
}

.table__sort-icon {
  opacity: 0.3;
}

.table__sort.active .table__sort-icon {
  opacity: 1;
  color: var(--color-accent);
}

/* Checkbox en tabla */
.table__checkbox {
  width: 40px;
  text-align: center;
}


/* ============================================
   12. MODALES
   ============================================ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(51, 63, 72, 0.6);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-backdrop.show {
  opacity: 1;
  visibility: visible;
}

/* Mostrar el modal interno cuando el backdrop tiene .show */
.modal-backdrop.show .modal {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  background-color: var(--color-white);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-2xl);
  z-index: var(--z-modal);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal.show {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

/* Tamaños de modal */
.modal--sm { max-width: 400px; }
.modal--lg { max-width: 700px; }
.modal--xl { max-width: 900px; }
.modal--fullscreen { 
  max-width: calc(100vw - 40px); 
  max-height: calc(100vh - 40px);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: var(--border-width-thin) solid var(--color-gray-200);
}

.modal__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin: 0;
}

.modal__close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--border-radius-md);
  color: var(--color-gray-500);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal__close:hover {
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
}

/* Form dentro del modal debe ser flex container */
.modal > form {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.modal__body {
  padding: var(--spacing-lg);
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

.modal__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: var(--border-width-thin) solid var(--color-gray-200);
  background-color: var(--color-gray-50);
}


/* Privacy link inside modals/forms */
.privacy-link {
  color: var(--color-primary);
  text-decoration: underline;
  font-weight: var(--font-weight-medium);
}

.privacy-link:hover {
  color: var(--color-primary-dark);
}

/* ============================================
   13. ALERTAS Y NOTIFICACIONES
   ============================================ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
}

.alert__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

.alert__content {
  flex: 1;
}

.alert__title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-xs);
}

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

.alert__close {
  flex-shrink: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.alert__close:hover {
  opacity: 1;
}

/* Variantes de alerta */
.alert--info {
  background-color: rgba(102, 206, 214, 0.1);
  border-left: 4px solid var(--color-accent);
  color: var(--color-primary);
}

.alert--info .alert__icon {
  color: var(--color-accent);
}

.alert--success {
  background-color: rgba(76, 175, 80, 0.1);
  border-left: 4px solid var(--color-success);
  color: #1B5E20;
}

.alert--success .alert__icon {
  color: var(--color-success);
}

.alert--warning {
  background-color: rgba(255, 167, 38, 0.1);
  border-left: 4px solid var(--color-warning);
  color: #E65100;
}

.alert--warning .alert__icon {
  color: var(--color-warning);
}

.alert--error {
  background-color: rgba(239, 83, 80, 0.1);
  border-left: 4px solid var(--color-error);
  color: #B71C1C;
}

.alert--error .alert__icon {
  color: var(--color-error);
}

/* Toast notifications */
.toast-container {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-white);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  max-width: 400px;
  animation: slideIn var(--transition-normal) ease-out;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.toast--success { border-left: 4px solid var(--color-success); }
.toast--warning { border-left: 4px solid var(--color-warning); }
.toast--error { border-left: 4px solid var(--color-error); }
.toast--info { border-left: 4px solid var(--color-accent); }

/* Sistema de Modales Personalizado (modales.js) */
.modal-system-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(51, 63, 72, 0.6);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-system-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal-system-dialog {
  background-color: var(--color-white);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-2xl);
  width: 100%;
  max-width: 400px;
  padding: var(--spacing-xl);
  text-align: center;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-system-overlay.show .modal-system-dialog {
  transform: scale(1);
}

.modal-system-header {
  margin-bottom: var(--spacing-lg);
}

.modal-system-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

.modal-system-icon.icon-success {
  background-color: rgba(76, 175, 80, 0.1);
  color: var(--color-success);
}

.modal-system-icon.icon-error {
  background-color: rgba(239, 83, 80, 0.1);
  color: var(--color-error);
}

.modal-system-icon.icon-warning {
  background-color: rgba(255, 167, 38, 0.1);
  color: var(--color-warning);
}

.modal-system-icon.icon-info {
  background-color: rgba(102, 206, 214, 0.1);
  color: var(--color-accent);
}

.modal-system-icon.icon-confirm {
  background-color: rgba(102, 206, 214, 0.1);
  color: var(--color-accent);
}

.modal-system-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin: 0;
}

.modal-system-body {
  margin-bottom: var(--spacing-lg);
  color: var(--color-gray-600);
}

.modal-system-body p {
  margin: 0;
}

.modal-system-footer {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
}

.modal-system-footer .btn {
  min-width: 100px;
}

.modal-system-footer .btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border: none;
}

.modal-system-footer .btn-primary:hover {
  background-color: var(--color-primary-dark);
}

.modal-system-footer .btn-secondary {
  background-color: var(--color-gray-200);
  color: var(--color-gray-700);
  border: none;
}

.modal-system-footer .btn-secondary:hover {
  background-color: var(--color-gray-300);
}

.modal-system-footer .btn-danger {
  background-color: var(--color-error);
  color: var(--color-white);
  border: none;
}

.modal-system-footer .btn-danger:hover {
  background-color: #E53935;
}


/* ============================================
   14. BADGES Y TAGS
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  line-height: 1.4;
  border-radius: var(--border-radius-full);
  white-space: nowrap;
}

.badge--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.badge--secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.badge--accent {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

.badge--success {
  background-color: var(--color-success-light);
  color: #1B5E20;
}

.badge--warning {
  background-color: var(--color-warning-light);
  color: #E65100;
}

.badge--error {
  background-color: var(--color-error-light);
  color: #B71C1C;
}

.badge--outline {
  background-color: transparent;
  border: var(--border-width-thin) solid currentColor;
}

/* Tags */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--color-gray-100);
  border: var(--border-width-thin) solid var(--color-gray-300);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
}

.tag__remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  background: transparent;
  border: none;
  border-radius: var(--border-radius-full);
  cursor: pointer;
  color: var(--color-gray-500);
  transition: all var(--transition-fast);
}

.tag__remove:hover {
  background-color: var(--color-gray-200);
  color: var(--color-gray-700);
}


/* ============================================
   15. TABS
   ============================================ */
.tabs {
  display: flex;
  flex-direction: column;
}

.tabs__list {
  display: flex;
  border-bottom: var(--border-width-medium) solid var(--color-gray-200);
  gap: var(--spacing-xs);
}

.tabs__tab {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-600);
  background: transparent;
  border: none;
  border-bottom: var(--border-width-medium) solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.tabs__tab.active {
  color: var(--color-accent-dark);
  border-bottom-color: var(--color-accent);
}

.tabs__content {
  padding: var(--spacing-lg) 0;
}

.tabs__panel {
  display: none;
}

.tabs__panel.active {
  display: block;
}

/* Tabs verticales */
.tabs--vertical {
  flex-direction: row;
}

.tabs--vertical .tabs__list {
  flex-direction: column;
  border-bottom: none;
  border-right: var(--border-width-medium) solid var(--color-gray-200);
  min-width: 200px;
}

.tabs--vertical .tabs__tab {
  border-bottom: none;
  border-right: var(--border-width-medium) solid transparent;
  margin-bottom: 0;
  margin-right: -2px;
  text-align: left;
}

.tabs--vertical .tabs__tab.active {
  border-right-color: var(--color-accent);
}

.tabs--vertical .tabs__content {
  padding: 0 var(--spacing-lg);
  flex: 1;
}


/* ============================================
   16. BREADCRUMBS
   ============================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) 0;
  font-size: var(--font-size-sm);
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-gray-500);
}

.breadcrumb__item:not(:last-child)::after {
  content: "/";
  color: var(--color-gray-400);
  margin-left: var(--spacing-xs);
}

.breadcrumb__link {
  color: var(--color-gray-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb__link:hover {
  color: var(--color-accent-dark);
  text-decoration: none;
}

.breadcrumb__item:last-child {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}


/* ============================================
   17. PAGINACIÓN
   ============================================ */
.pagination {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.pagination__item {
  min-width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  background-color: var(--color-white);
  border: var(--border-width-thin) solid var(--color-gray-300);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.pagination__item:hover:not(.disabled):not(.active) {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-400);
  color: var(--color-primary);
}

.pagination__item.active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-primary);
}

.pagination__item.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination__ellipsis {
  color: var(--color-gray-400);
  padding: 0 var(--spacing-sm);
}


/* ============================================
   18. DROPDOWN
   ============================================ */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown__menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background-color: var(--color-white);
  border: var(--border-width-thin) solid var(--color-gray-200);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
}

.dropdown.open .dropdown__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(var(--spacing-xs));
}

.dropdown__menu--right {
  left: auto;
  right: 0;
}

.dropdown__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dropdown__item:hover {
  background-color: var(--color-gray-100);
  color: var(--color-primary);
}

.dropdown__item.active {
  background-color: rgba(102, 206, 214, 0.1);
  color: var(--color-accent-dark);
}

.dropdown__item:first-child {
  border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
}

.dropdown__item:last-child {
  border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
}

.dropdown__divider {
  height: 1px;
  background-color: var(--color-gray-200);
  margin: var(--spacing-xs) 0;
}

.dropdown__header {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}


/* ============================================
   19. TOOLTIPS
   ============================================ */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip__content {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  white-space: nowrap;
  border-radius: var(--border-radius-sm);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  margin-bottom: var(--spacing-xs);
  z-index: var(--z-tooltip);
}

.tooltip__content::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--color-primary);
}

.tooltip:hover .tooltip__content {
  opacity: 1;
  visibility: visible;
}


/* ============================================
   20. PROGRESS / LOADING
   ============================================ */
/* Progress bar */
.progress {
  height: 8px;
  background-color: var(--color-gray-200);
  border-radius: var(--border-radius-full);
  overflow: hidden;
}

.progress__bar {
  height: 100%;
  background-color: var(--color-accent);
  border-radius: var(--border-radius-full);
  transition: width var(--transition-normal);
}

.progress__bar--primary { background-color: var(--color-primary); }
.progress__bar--success { background-color: var(--color-success); }
.progress__bar--warning { background-color: var(--color-warning); }
.progress__bar--error { background-color: var(--color-error); }

/* Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-gray-200);
  border-top-color: var(--color-accent);
  border-radius: var(--border-radius-full);
  animation: spin 0.8s linear infinite;
}

.spinner--sm { width: 24px; height: 24px; border-width: 2px; }
.spinner--lg { width: 56px; height: 56px; border-width: 4px; }

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

/* Loading overlay */
.loading-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

/* Skeleton loader */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-gray-200) 25%,
    var(--color-gray-100) 50%,
    var(--color-gray-200) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--border-radius-md);
}

.skeleton--text {
  height: 1em;
  margin-bottom: var(--spacing-sm);
}

.skeleton--circle {
  border-radius: var(--border-radius-full);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}


/* ============================================
   21. AVATARES
   ============================================ */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-full);
  background-color: var(--color-secondary);
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  overflow: hidden;
}

.avatar--xs { width: 24px; height: 24px; font-size: var(--font-size-xs); }
.avatar--sm { width: 32px; height: 32px; font-size: var(--font-size-xs); }
.avatar--lg { width: 56px; height: 56px; font-size: var(--font-size-lg); }
.avatar--xl { width: 72px; height: 72px; font-size: var(--font-size-xl); }

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar--primary { background-color: var(--color-primary); }
.avatar--accent { background-color: var(--color-accent); color: var(--color-primary); }
.avatar--slate { background-color: var(--color-slate); }

/* Avatar group */
.avatar-group {
  display: flex;
}

.avatar-group .avatar {
  border: 2px solid var(--color-white);
  margin-left: -10px;
}

.avatar-group .avatar:first-child {
  margin-left: 0;
}

.avatar-group .avatar--count {
  background-color: var(--color-gray-300);
  color: var(--color-gray-700);
}


/* ============================================
   22. EMPTY STATES
   ============================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3xl);
  text-align: center;
}

.empty-state__icon {
  width: 80px;
  height: 80px;
  margin-bottom: var(--spacing-lg);
  color: var(--color-gray-400);
}

.empty-state__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.empty-state__description {
  font-size: var(--font-size-base);
  color: var(--color-gray-500);
  max-width: 400px;
  margin-bottom: var(--spacing-lg);
}


/* ============================================
   23. PAGE HEADER
   ============================================ */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.page-header__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

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

.page-header__description {
  font-size: var(--font-size-base);
  color: var(--color-gray-500);
  margin: 0;
}

.page-header__actions {
  display: flex;
  gap: var(--spacing-sm);
}


/* ============================================
   24. UTILITIES
   ============================================ */
/* Display */
.hidden { display: none !important; }
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.d-grid { display: grid !important; }

/* Flex */
.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.justify-start { justify-content: flex-start !important; }
.justify-end { justify-content: flex-end !important; }
.justify-center { justify-content: center !important; }
.justify-between { justify-content: space-between !important; }
.align-start { align-items: flex-start !important; }
.align-end { align-items: flex-end !important; }
.align-center { align-items: center !important; }
.flex-1 { flex: 1 !important; }
.gap-xs { gap: var(--spacing-xs) !important; }
.gap-sm { gap: var(--spacing-sm) !important; }
.gap-md { gap: var(--spacing-md) !important; }
.gap-lg { gap: var(--spacing-lg) !important; }

/* Spacing */
.m-0 { margin: 0 !important; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-sm { margin-top: var(--spacing-sm) !important; }
.mt-md { margin-top: var(--spacing-md) !important; }
.mt-lg { margin-top: var(--spacing-lg) !important; }
.mb-sm { margin-bottom: var(--spacing-sm) !important; }
.mb-md { margin-bottom: var(--spacing-md) !important; }
.mb-lg { margin-bottom: var(--spacing-lg) !important; }

.p-0 { padding: 0 !important; }
.p-sm { padding: var(--spacing-sm) !important; }
.p-md { padding: var(--spacing-md) !important; }
.p-lg { padding: var(--spacing-lg) !important; }

/* Text */
.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.text-nowrap { white-space: nowrap !important; }
.font-normal { font-weight: var(--font-weight-regular) !important; }
.font-medium { font-weight: var(--font-weight-medium) !important; }
.font-semibold { font-weight: var(--font-weight-semibold) !important; }
.font-bold { font-weight: var(--font-weight-bold) !important; }

/* Borders */
.rounded-none { border-radius: 0 !important; }
.rounded-sm { border-radius: var(--border-radius-sm) !important; }
.rounded-md { border-radius: var(--border-radius-md) !important; }
.rounded-lg { border-radius: var(--border-radius-lg) !important; }
.rounded-full { border-radius: var(--border-radius-full) !important; }

/* Shadows */
.shadow-none { box-shadow: none !important; }
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

/* Width/Height */
.w-full { width: 100% !important; }
.h-full { height: 100% !important; }
.min-h-screen { min-height: 100vh !important; }

/* Visibility */
.visible { visibility: visible !important; }
.invisible { visibility: hidden !important; }
.opacity-0 { opacity: 0 !important; }
.opacity-50 { opacity: 0.5 !important; }
.opacity-100 { opacity: 1 !important; }

/* Cursor */
.cursor-pointer { cursor: pointer !important; }
.cursor-not-allowed { cursor: not-allowed !important; }

/* Position */
.relative { position: relative !important; }
.absolute { position: absolute !important; }
.fixed { position: fixed !important; }
.sticky { position: sticky !important; }

/* Overflow */
.overflow-hidden { overflow: hidden !important; }
.overflow-auto { overflow: auto !important; }
.overflow-x-auto { overflow-x: auto !important; }
.overflow-y-auto { overflow-y: auto !important; }


/* ============================================
   25. RESPONSIVE
   ============================================ */
@media (max-width: 1200px) {
  .erp-content {
    margin-left: 64px;
  }
  
  .erp-sidebar {
    width: 64px;
  }
  
  .erp-sidebar .erp-sidebar__text,
  .erp-sidebar .erp-sidebar__section-title,
  .erp-sidebar .erp-sidebar__badge {
    display: none;
  }
  
  .erp-footer {
    margin-left: 64px;
  }
}

@media (max-width: 768px) {
  .erp-content {
    margin-left: 0;
    margin-top: 56px;
    padding: var(--spacing-md);
  }
  
  .erp-header {
    height: 56px;
    padding: 0 var(--spacing-md);
  }
  
  .erp-header__search {
    display: none;
  }
  
  .erp-header__user-info {
    display: none;
  }
  
  .erp-sidebar {
    transform: translateX(-100%);
    width: 260px;
    top: 56px;
    height: calc(100vh - 56px);
  }
  
  .erp-sidebar.mobile-open {
    transform: translateX(0);
  }
  
  .erp-sidebar .erp-sidebar__text,
  .erp-sidebar .erp-sidebar__section-title,
  .erp-sidebar .erp-sidebar__badge {
    display: initial;
  }
  
  .erp-footer {
    margin-left: 0;
  }
  
  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .page-header__actions {
    width: 100%;
  }
  
  .page-header__actions .btn {
    flex: 1;
  }
  
  .modal {
    max-width: calc(100vw - 32px);
  }
  
  .table-container {
    margin: 0 calc(-1 * var(--spacing-md));
    border-radius: 0;
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
  }
  
  .btn-group {
    flex-direction: column;
    width: 100%;
  }
  
  .btn-group .btn {
    border-radius: 0;
    border-right-width: 1px;
    border-bottom-width: 0;
  }
  
  .btn-group .btn:first-child {
    border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
  }
  
  .btn-group .btn:last-child {
    border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
    border-bottom-width: 1px;
  }
}