/**
 * LicitaNet - Tema Principal CSS
 * Plataforma de Análisis de Licitaciones Públicas Mexicanas
 * 
 * Paleta de colores:
 * - Primario: #1a365d (azul oscuro corporativo)
 * - Secundario: #2b6cb0 (azul medio)
 * - Acento: #ed8936 (naranja)
 * - Éxito: #38a169 (verde)
 * - Peligro: #e53e3e (rojo)
 * - Fondo: #f7fafc (gris claro)
 * - Texto: #2d3748 (gris oscuro)
 * - Blanco: #ffffff
 */

/* ============================================
   VARIABLES CSS
   ============================================ */
:root {
  /* Colores principales */
  --color-primary: #1a365d;
  --color-primary-dark: #0f2744;
  --color-primary-light: #2c5282;
  
  /* Colores secundarios */
  --color-secondary: #2b6cb0;
  --color-secondary-dark: #1e4e8c;
  --color-secondary-light: #4299e1;
  
  /* Colores de acento */
  --color-accent: #ed8936;
  --color-accent-dark: #c05621;
  --color-accent-light: #f6ad55;
  
  /* Estados */
  --color-success: #38a169;
  --color-success-light: #48bb78;
  --color-success-bg: #c6f6d5;
  --color-danger: #e53e3e;
  --color-danger-light: #fc8181;
  --color-danger-bg: #fed7d7;
  --color-warning: #d69e2e;
  --color-warning-light: #ecc94b;
  --color-warning-bg: #fefcbf;
  --color-info: #3182ce;
  --color-info-light: #63b3ed;
  --color-info-bg: #bee3f8;
  
  /* Colores neutros */
  --color-bg: #f7fafc;
  --color-bg-dark: #edf2f7;
  --color-bg-light: #ffffff;
  --color-text: #2d3748;
  --color-text-light: #4a5568;
  --color-text-muted: #718096;
  --color-border: #e2e8f0;
  --color-border-dark: #cbd5e0;
  
  /* Tipografía */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Tamaños de fuente */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Pesos de fuente */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Espaciado */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  
  /* Bordes */
  --border-radius-sm: 0.25rem;
  --border-radius: 0.375rem;
  --border-radius-lg: 0.5rem;
  --border-radius-xl: 0.75rem;
  --border-radius-2xl: 1rem;
  --border-radius-full: 9999px;
  
  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transiciones */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;
  
  /* Layout */
  --header-height: 64px;
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 64px;
  --content-max-width: 1400px;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  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-bg);
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-semibold);
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: var(--spacing-4);
}

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

p {
  margin-bottom: var(--spacing-4);
}

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

a:hover {
  color: var(--color-secondary-dark);
}

img {
  max-width: 100%;
  height: auto;
}

/* ============================================
   UTILIDADES
   ============================================ */

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

/* Flexbox */
.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; }
.justify-around { justify-content: space-around !important; }
.align-start { align-items: flex-start !important; }
.align-end { align-items: flex-end !important; }
.align-center { align-items: center !important; }
.align-stretch { align-items: stretch !important; }
.flex-1 { flex: 1 !important; }
.flex-grow { flex-grow: 1 !important; }
.flex-shrink { flex-shrink: 0 !important; }

/* Espaciado */
.m-0 { margin: 0 !important; }
.m-1 { margin: var(--spacing-1) !important; }
.m-2 { margin: var(--spacing-2) !important; }
.m-3 { margin: var(--spacing-3) !important; }
.m-4 { margin: var(--spacing-4) !important; }
.m-5 { margin: var(--spacing-5) !important; }
.m-6 { margin: var(--spacing-6) !important; }
.m-8 { margin: var(--spacing-8) !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-1) !important; }
.mt-2 { margin-top: var(--spacing-2) !important; }
.mt-3 { margin-top: var(--spacing-3) !important; }
.mt-4 { margin-top: var(--spacing-4) !important; }
.mt-5 { margin-top: var(--spacing-5) !important; }
.mt-6 { margin-top: var(--spacing-6) !important; }
.mt-8 { margin-top: var(--spacing-8) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-1) !important; }
.mb-2 { margin-bottom: var(--spacing-2) !important; }
.mb-3 { margin-bottom: var(--spacing-3) !important; }
.mb-4 { margin-bottom: var(--spacing-4) !important; }
.mb-5 { margin-bottom: var(--spacing-5) !important; }
.mb-6 { margin-bottom: var(--spacing-6) !important; }
.mb-8 { margin-bottom: var(--spacing-8) !important; }

.ml-0 { margin-left: 0 !important; }
.ml-1 { margin-left: var(--spacing-1) !important; }
.ml-2 { margin-left: var(--spacing-2) !important; }
.ml-3 { margin-left: var(--spacing-3) !important; }
.ml-4 { margin-left: var(--spacing-4) !important; }
.ml-auto { margin-left: auto !important; }

.mr-0 { margin-right: 0 !important; }
.mr-1 { margin-right: var(--spacing-1) !important; }
.mr-2 { margin-right: var(--spacing-2) !important; }
.mr-3 { margin-right: var(--spacing-3) !important; }
.mr-4 { margin-right: var(--spacing-4) !important; }
.mr-auto { margin-right: auto !important; }

.mx-auto { margin-left: auto !important; margin-right: auto !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: var(--spacing-1) !important; }
.p-2 { padding: var(--spacing-2) !important; }
.p-3 { padding: var(--spacing-3) !important; }
.p-4 { padding: var(--spacing-4) !important; }
.p-5 { padding: var(--spacing-5) !important; }
.p-6 { padding: var(--spacing-6) !important; }
.p-8 { padding: var(--spacing-8) !important; }

.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: var(--spacing-1) !important; }
.pt-2 { padding-top: var(--spacing-2) !important; }
.pt-3 { padding-top: var(--spacing-3) !important; }
.pt-4 { padding-top: var(--spacing-4) !important; }
.pt-5 { padding-top: var(--spacing-5) !important; }
.pt-6 { padding-top: var(--spacing-6) !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: var(--spacing-1) !important; }
.pb-2 { padding-bottom: var(--spacing-2) !important; }
.pb-3 { padding-bottom: var(--spacing-3) !important; }
.pb-4 { padding-bottom: var(--spacing-4) !important; }
.pb-5 { padding-bottom: var(--spacing-5) !important; }
.pb-6 { padding-bottom: var(--spacing-6) !important; }

.pl-0 { padding-left: 0 !important; }
.pl-1 { padding-left: var(--spacing-1) !important; }
.pl-2 { padding-left: var(--spacing-2) !important; }
.pl-3 { padding-left: var(--spacing-3) !important; }
.pl-4 { padding-left: var(--spacing-4) !important; }

.pr-0 { padding-right: 0 !important; }
.pr-1 { padding-right: var(--spacing-1) !important; }
.pr-2 { padding-right: var(--spacing-2) !important; }
.pr-3 { padding-right: var(--spacing-3) !important; }
.pr-4 { padding-right: var(--spacing-4) !important; }

/* Texto */
.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }

.text-xs { font-size: var(--font-size-xs) !important; }
.text-sm { font-size: var(--font-size-sm) !important; }
.text-base { font-size: var(--font-size-base) !important; }
.text-lg { font-size: var(--font-size-lg) !important; }
.text-xl { font-size: var(--font-size-xl) !important; }
.text-2xl { font-size: var(--font-size-2xl) !important; }

.text-normal { font-weight: var(--font-weight-normal) !important; }
.text-medium { font-weight: var(--font-weight-medium) !important; }
.text-semibold { font-weight: var(--font-weight-semibold) !important; }
.text-bold { font-weight: var(--font-weight-bold) !important; }

.text-primary { color: var(--color-primary) !important; }
.text-secondary { color: var(--color-secondary) !important; }
.text-accent { color: var(--color-accent) !important; }
.text-success { color: var(--color-success) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-muted { color: var(--color-text-muted) !important; }
.text-white { color: #ffffff !important; }

/* Fondos */
.bg-primary { background-color: var(--color-primary) !important; }
.bg-secondary { background-color: var(--color-secondary) !important; }
.bg-accent { background-color: var(--color-accent) !important; }
.bg-success { background-color: var(--color-success) !important; }
.bg-success-light { background-color: var(--color-success-bg) !important; }
.bg-danger { background-color: var(--color-danger) !important; }
.bg-danger-light { background-color: var(--color-danger-bg) !important; }
.bg-warning { background-color: var(--color-warning) !important; }
.bg-warning-light { background-color: var(--color-warning-bg) !important; }
.bg-info { background-color: var(--color-info) !important; }
.bg-info-light { background-color: var(--color-info-bg) !important; }
.bg-white { background-color: #ffffff !important; }
.bg-light { background-color: var(--color-bg) !important; }

/* Bordes */
.border { border: 1px solid var(--color-border) !important; }
.border-0 { border: 0 !important; }
.rounded { border-radius: var(--border-radius) !important; }
.rounded-sm { border-radius: var(--border-radius-sm) !important; }
.rounded-lg { border-radius: var(--border-radius-lg) !important; }
.rounded-xl { border-radius: var(--border-radius-xl) !important; }
.rounded-full { border-radius: var(--border-radius-full) !important; }

/* Sombras */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

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

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

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

/* Grid */
.grid-cols-1 { grid-template-columns: repeat(1, 1fr) !important; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr) !important; }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr) !important; }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr) !important; }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr) !important; }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr) !important; }

.gap-1 { gap: var(--spacing-1) !important; }
.gap-2 { gap: var(--spacing-2) !important; }
.gap-3 { gap: var(--spacing-3) !important; }
.gap-4 { gap: var(--spacing-4) !important; }
.gap-5 { gap: var(--spacing-5) !important; }
.gap-6 { gap: var(--spacing-6) !important; }

/* ============================================
   COMPONENTES - BOTONES
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-5);
  font-family: var(--font-family-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  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);
  transition: all var(--transition-fast);
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.3);
}

.btn:disabled,
.btn.disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* Variantes de botones */
.btn-primary {
  color: #ffffff;
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

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

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

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

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

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

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

.btn-success:hover {
  background-color: #2f855a;
  border-color: #2f855a;
}

.btn-danger {
  color: #ffffff;
  background-color: var(--color-danger);
  border-color: var(--color-danger);
}

.btn-danger:hover {
  background-color: #c53030;
  border-color: #c53030;
}

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

.btn-outline-primary:hover {
  color: #ffffff;
  background-color: var(--color-primary);
}

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

.btn-outline-secondary:hover {
  color: #ffffff;
  background-color: var(--color-secondary);
}

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

.btn-outline-accent:hover {
  color: #ffffff;
  background-color: var(--color-accent);
}

.btn-ghost {
  color: var(--color-text);
  background-color: transparent;
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: var(--color-bg-dark);
}

/* Tamaños de botones */
.btn-sm {
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--spacing-4) var(--spacing-6);
  font-size: var(--font-size-base);
}

/* Botón con icono */
.btn-icon {
  padding: var(--spacing-2);
  line-height: 1;
}

.btn-icon svg,
.btn-icon i {
  width: 1.25rem;
  height: 1.25rem;
}

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

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

.btn-group .btn:first-child {
  border-top-left-radius: var(--border-radius);
  border-bottom-left-radius: var(--border-radius);
}

.btn-group .btn:last-child {
  border-top-right-radius: var(--border-radius);
  border-bottom-right-radius: var(--border-radius);
}

.btn-group .btn:not(:last-child) {
  border-right: none;
}

/* ============================================
   COMPONENTES - FORMULARIOS
   ============================================ */
.form-group {
  margin-bottom: var(--spacing-4);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

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

.form-control {
  display: block;
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  font-family: var(--font-family-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  line-height: 1.5;
  color: var(--color-text);
  background-color: #ffffff;
  background-clip: padding-box;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.15);
}

.form-control::placeholder {
  color: var(--color-text-muted);
}

.form-control:disabled,
.form-control[readonly] {
  background-color: var(--color-bg-dark);
  opacity: 1;
}

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

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.15);
}

.form-control.is-valid {
  border-color: var(--color-success);
}

.form-control.is-valid:focus {
  box-shadow: 0 0 0 3px rgba(56, 161, 105, 0.15);
}

/* Tamaños de inputs */
.form-control-sm {
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-xs);
}

.form-control-lg {
  padding: var(--spacing-4) var(--spacing-5);
  font-size: var(--font-size-base);
}

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

/* Select */
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23718096' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-3) center;
  background-size: 16px;
  padding-right: var(--spacing-10);
}

/* Checkbox y Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-2);
}

.form-check-input {
  width: 1.125rem;
  height: 1.125rem;
  margin: 0;
  cursor: pointer;
  accent-color: var(--color-secondary);
}

.form-check-label {
  font-size: var(--font-size-sm);
  cursor: pointer;
  user-select: none;
}

/* Input group */
.input-group {
  display: flex;
  align-items: stretch;
  width: 100%;
}

.input-group .form-control {
  border-radius: 0;
  flex: 1;
}

.input-group .form-control:first-child {
  border-top-left-radius: var(--border-radius);
  border-bottom-left-radius: var(--border-radius);
}

.input-group .form-control:last-child {
  border-top-right-radius: var(--border-radius);
  border-bottom-right-radius: var(--border-radius);
}

.input-group-text {
  display: flex;
  align-items: center;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  line-height: 1.5;
  color: var(--color-text-muted);
  text-align: center;
  white-space: nowrap;
  background-color: var(--color-bg-dark);
  border: 1px solid var(--color-border);
}

.input-group-text:first-child {
  border-top-left-radius: var(--border-radius);
  border-bottom-left-radius: var(--border-radius);
  border-right: none;
}

.input-group-text:last-child {
  border-top-right-radius: var(--border-radius);
  border-bottom-right-radius: var(--border-radius);
  border-left: none;
}

/* Mensajes de error/éxito */
.form-error {
  display: block;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

.form-hint {
  display: block;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ============================================
   COMPONENTES - CARDS
   ============================================ */
.card {
  display: flex;
  flex-direction: column;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast);
}

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

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) var(--spacing-5);
  background-color: transparent;
  border-bottom: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.card-header-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin: 0;
}

.card-body {
  flex: 1 1 auto;
  padding: var(--spacing-5);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-5);
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
  border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

/* Card variants */
.card-hover {
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.card-stat {
  padding: var(--spacing-5);
}

.card-stat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-4);
}

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

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

.card-stat-change {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  font-size: var(--font-size-xs);
  margin-top: var(--spacing-2);
}

.card-stat-change.positive {
  color: var(--color-success);
}

.card-stat-change.negative {
  color: var(--color-danger);
}

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

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

.table thead {
  background-color: var(--color-bg-dark);
}

.table th {
  padding: var(--spacing-3) var(--spacing-4);
  font-weight: var(--font-weight-semibold);
  text-align: left;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.table td {
  padding: var(--spacing-4);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

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

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

/* Tabla con filas clickeables */
.table-clickable tbody tr {
  cursor: pointer;
}

/* Tabla compacta */
.table-sm th,
.table-sm td {
  padding: var(--spacing-2) var(--spacing-3);
}

/* Estados de fila */
.table tr.success {
  background-color: var(--color-success-bg);
}

.table tr.danger {
  background-color: var(--color-danger-bg);
}

.table tr.warning {
  background-color: var(--color-warning-bg);
}

/* ============================================
   COMPONENTES - BADGES
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  border-radius: var(--border-radius-full);
}

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

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

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

.badge-success {
  color: #ffffff;
  background-color: var(--color-success);
}

.badge-danger {
  color: #ffffff;
  background-color: var(--color-danger);
}

.badge-warning {
  color: #744210;
  background-color: var(--color-warning);
}

.badge-info {
  color: #ffffff;
  background-color: var(--color-info);
}

.badge-outline {
  background-color: transparent;
  border: 1px solid currentColor;
}

.badge-outline-primary {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.badge-outline-success {
  color: var(--color-success);
  border-color: var(--color-success);
}

.badge-outline-danger {
  color: var(--color-danger);
  border-color: var(--color-danger);
}

/* ============================================
   COMPONENTES - ALERTAS
   ============================================ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  padding: var(--spacing-4);
  margin-bottom: var(--spacing-4);
  border: 1px solid transparent;
  border-radius: var(--border-radius);
}

.alert-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-1);
}

.alert-message {
  font-size: var(--font-size-sm);
  margin: 0;
}

.alert-success {
  color: #22543d;
  background-color: var(--color-success-bg);
  border-color: var(--color-success);
}

.alert-danger {
  color: #742a2a;
  background-color: var(--color-danger-bg);
  border-color: var(--color-danger);
}

.alert-warning {
  color: #744210;
  background-color: var(--color-warning-bg);
  border-color: var(--color-warning);
}

.alert-info {
  color: #2a4365;
  background-color: var(--color-info-bg);
  border-color: var(--color-info);
}

/* ============================================
   COMPONENTES - MODAL
   ============================================ */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.modal {
  background-color: #ffffff;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow: hidden;
  transform: scale(0.95);
  transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-lg {
  max-width: 800px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-5);
  border-bottom: 1px solid var(--color-border);
}

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

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background: none;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  color: var(--color-text-muted);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-text);
  background-color: var(--color-bg-dark);
}

.modal-body {
  padding: var(--spacing-5);
  overflow-y: auto;
  max-height: calc(90vh - 140px);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-5);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg);
}

/* ============================================
   COMPONENTES - TABS
   ============================================ */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-5);
}

.tab {
  padding: var(--spacing-3) var(--spacing-5);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.tab:hover {
  color: var(--color-text);
}

.tab.active {
  color: var(--color-secondary);
  border-bottom-color: var(--color-secondary);
}

.tab-content {
  display: none;
}

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

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

.dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 200px;
  padding: var(--spacing-2) 0;
  margin-top: var(--spacing-2);
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
}

.dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--color-bg);
}

.dropdown-item.active {
  color: var(--color-secondary);
  background-color: var(--color-info-bg);
}

.dropdown-divider {
  height: 1px;
  margin: var(--spacing-2) 0;
  background-color: var(--color-border);
}

/* Dropdown expandido de perfil de usuario */
.dropdown-menu-wide {
  min-width: 280px;
}

.dropdown-user-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-4);
}

.dropdown-user-avatar-lg {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: white;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.dropdown-user-details {
  min-width: 0;
}

.dropdown-user-fullname {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dropdown-user-email-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 180px;
}

.dropdown-user-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: var(--font-weight-medium);
  color: var(--color-secondary);
  background: var(--color-info-bg);
  border-radius: var(--border-radius-sm);
  padding: 1px 6px;
  margin-top: 2px;
  text-transform: capitalize;
}

.dropdown-section-label {
  padding: var(--spacing-2) var(--spacing-4) var(--spacing-1);
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

/* ============================================
   COMPONENTES - PROGRESS
   ============================================ */
.progress {
  display: flex;
  height: 8px;
  overflow: hidden;
  background-color: var(--color-bg-dark);
  border-radius: var(--border-radius-full);
}

.progress-bar {
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  color: #ffffff;
  text-align: center;
  white-space: nowrap;
  background-color: var(--color-secondary);
  border-radius: var(--border-radius-full);
  transition: width var(--transition-slow);
}

.progress-bar-success {
  background-color: var(--color-success);
}

.progress-bar-danger {
  background-color: var(--color-danger);
}

.progress-bar-warning {
  background-color: var(--color-warning);
}

.progress-bar-accent {
  background-color: var(--color-accent);
}

/* Progress circular */
.progress-circle {
  position: relative;
  width: 120px;
  height: 120px;
}

.progress-circle svg {
  transform: rotate(-90deg);
}

.progress-circle-bg {
  fill: none;
  stroke: var(--color-bg-dark);
  stroke-width: 8;
}

.progress-circle-fill {
  fill: none;
  stroke: var(--color-secondary);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 283;
  stroke-dashoffset: 283;
  transition: stroke-dashoffset var(--transition-slow);
}

.progress-circle-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

/* ============================================
   COMPONENTES - SPINNER
   ============================================ */
.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-bg-dark);
  border-top-color: var(--color-secondary);
  border-radius: 50%;
  animation: spinner-rotate 0.8s linear infinite;
}

.spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

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

/* ============================================
   COMPONENTES - TOOLTIP
   ============================================ */
.tooltip {
  position: relative;
}

.tooltip::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-xs);
  color: #ffffff;
  background-color: var(--color-text);
  border-radius: var(--border-radius);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  z-index: 100;
}

.tooltip::after {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  border: 4px solid transparent;
  border-top-color: var(--color-text);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.tooltip:hover::before,
.tooltip:hover::after {
  opacity: 1;
  visibility: visible;
}

/* ============================================
   COMPONENTES - TOAST
   ============================================ */
.toast-container {
  position: fixed;
  top: var(--spacing-5);
  right: var(--spacing-5);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  padding: var(--spacing-4);
  min-width: 300px;
  max-width: 400px;
  background-color: #ffffff;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  animation: toast-slide-in 0.3s ease-out;
}

@keyframes toast-slide-in {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

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

.toast-danger {
  border-left: 4px solid var(--color-danger);
}

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

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

/* ============================================
   COMPONENTES - DRAG & DROP
   ============================================ */
.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-10);
  border: 2px dashed var(--color-border);
  border-radius: var(--border-radius-xl);
  background-color: var(--color-bg);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
  cursor: pointer;
}

.dropzone:hover {
  border-color: var(--color-secondary);
  background-color: var(--color-info-bg);
}

.dropzone.dragover {
  border-color: var(--color-secondary);
  background-color: var(--color-info-bg);
}

.dropzone-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--spacing-4);
  color: var(--color-text-muted);
}

.dropzone-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  margin-bottom: var(--spacing-2);
}

.dropzone-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ============================================
   COMPONENTES - TIMELINE
   ============================================ */
.timeline {
  position: relative;
  padding-left: var(--spacing-8);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--spacing-6);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: calc(-1 * var(--spacing-8) + 4px);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--color-border);
  border: 2px solid #ffffff;
  box-shadow: var(--shadow-sm);
}

.timeline-marker.completed {
  background-color: var(--color-success);
}

.timeline-marker.in-progress {
  background-color: var(--color-accent);
}

.timeline-marker.pending {
  background-color: var(--color-border);
}

.timeline-content {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-4);
}

.timeline-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-1);
}

.timeline-title {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--spacing-1);
}

.timeline-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin: 0;
}

/* ============================================
   LAYOUT - HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-5);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
}

.header-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  margin-left: var(--spacing-8);
}

.header-nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-light);
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.header-nav-link:hover,
.header-nav-link.active {
  color: var(--color-secondary);
  background-color: var(--color-info-bg);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-left: auto;
}

.header-user {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-2) var(--spacing-3);
  cursor: pointer;
  border-radius: var(--border-radius);
  transition: background-color var(--transition-fast);
}

.header-user:hover {
  background-color: var(--color-bg);
}

.header-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
}

.header-user-info {
  display: none;
}

@media (min-width: 768px) {
  .header-user-info {
    display: flex;
    flex-direction: column;
  }
  
  .header-user-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
  }
  
  .header-user-role {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
  }
}

/* ============================================
   LAYOUT - SIDEBAR
   ============================================ */
.sidebar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  min-width: var(--sidebar-width); /* Asegurar ancho mínimo */
  background-color: #ffffff;
  border-right: 1px solid var(--color-border);
  z-index: 100;
  overflow-y: auto;
  overflow-x: hidden; /* Evitar scroll horizontal */
  transition: width var(--transition-slow);
  box-sizing: border-box;
}

.sidebar-collapsed {
  width: var(--sidebar-collapsed-width) !important;
  min-width: var(--sidebar-collapsed-width) !important;
}

/* Sidebar normal - asegurar ancho completo */
.sidebar:not(.sidebar-collapsed) {
  width: var(--sidebar-width) !important;
  min-width: var(--sidebar-width) !important;
}

.sidebar-nav {
  padding: var(--spacing-4);
}

.sidebar-section {
  margin-bottom: var(--spacing-6);
}

.sidebar-section-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  padding: var(--spacing-2) var(--spacing-4);
  margin-bottom: var(--spacing-2);
}

.sidebar-collapsed .sidebar-section-title {
  display: none;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-light);
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap; /* Evitar que el texto se corte */
  overflow: hidden;
}

.sidebar-nav-item:hover {
  color: var(--color-secondary);
  background-color: var(--color-info-bg);
}

.sidebar-nav-item.active {
  color: var(--color-secondary);
  background-color: var(--color-info-bg);
}

.sidebar-nav-item svg,
.sidebar-nav-item i {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.sidebar-nav-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis; /* Mostrar ... si el texto es muy largo */
  flex: 1;
  min-width: 0; /* Importante para que el flex funcione correctamente */
}

.sidebar-collapsed .sidebar-nav-text {
  display: none;
}

/* ── Sección de usuario al fondo del sidebar ── */
.sidebar-user-section {
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2) 0 var(--spacing-2);
}

.sidebar-user-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--border-radius);
  transition: background-color var(--transition-fast);
  text-align: left;
  color: var(--color-text);
}

.sidebar-user-card:hover {
  background-color: var(--color-bg);
}

.sidebar-user-card svg {
  margin-left: auto;
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform var(--transition-fast);
}

.sidebar-user-card[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.sidebar-user-avatar-sm {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: white;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-user-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.sidebar-user-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-role {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: capitalize;
}

.sidebar-user-menu {
  display: none;
  flex-direction: column;
  padding: var(--spacing-1) var(--spacing-2);
}

.sidebar-user-menu.open {
  display: flex;
}

.sidebar-user-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  background: none;
  border: none;
  cursor: pointer;
  width: 100%;
  text-align: left;
  white-space: nowrap;
}

.sidebar-user-item:hover {
  background-color: var(--color-bg);
  color: var(--color-secondary);
}

.sidebar-user-item svg {
  flex-shrink: 0;
  color: var(--color-text-muted);
}

.sidebar-user-divider {
  height: 1px;
  background-color: var(--color-border);
  margin: var(--spacing-1) var(--spacing-3);
}

.sidebar-user-label {
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  padding: var(--spacing-2) var(--spacing-3) var(--spacing-1);
}

.sidebar-logout {
  color: var(--color-danger) !important;
}

.sidebar-logout:hover {
  background-color: var(--color-danger-bg) !important;
  color: var(--color-danger) !important;
}

/* Sidebar nav usa flex-column para que el user-section quede al fondo */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

/* Toggle sidebar */
.sidebar-toggle {
  position: fixed;
  bottom: var(--spacing-5);
  left: calc(var(--sidebar-width) - 16px);
  width: 32px;
  height: 32px;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow);
  z-index: 95;
  transition: left var(--transition-slow);
}

.sidebar-collapsed + .sidebar-toggle,
.sidebar-collapsed ~ .sidebar-toggle {
  left: calc(var(--sidebar-collapsed-width) - 16px);
}

/* ============================================
   LAYOUT - MAIN CONTENT
   ============================================ */
.main-wrapper {
  display: flex;
  min-height: 100vh;
  padding-top: var(--header-height);
}

/* Main content - EMPIEZA DESPUÉS del sidebar */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width) !important; /* Forzar margen */
  padding: var(--spacing-6);
  transition: margin-left var(--transition-slow);
  /* Asegurar que el contenido no quede detrás del sidebar */
  position: relative;
  z-index: 1;
  min-width: 0; /* Evitar que el flex item se desborde */
}

/* Cuando el sidebar está colapsado */
.sidebar-collapsed ~ .main-content,
.sidebar.sidebar-collapsed ~ .main-content,
.main-wrapper:has(.sidebar-collapsed) .main-content {
  margin-left: var(--sidebar-collapsed-width) !important;
}

/* Fix para asegurar que el sidebar no tape el contenido */
.main-wrapper {
  display: flex;
  min-height: 100vh;
  padding-top: var(--header-height);
  position: relative;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-6);
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

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

.page-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--spacing-1);
}

.page-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

/* ============================================
   LAYOUT - FOOTER
   ============================================ */
.footer {
  margin-top: auto;
  padding: var(--spacing-6);
  border-top: 1px solid var(--color-border);
  background-color: #ffffff;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.footer-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.footer-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}

.footer-link:hover {
  color: var(--color-secondary);
}

/* ============================================
   PÁGINAS - AUTH (LOGIN/REGISTER)
   ============================================ */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  padding: var(--spacing-6);
}

.auth-container {
  width: 100%;
  max-width: 420px;
}

.auth-card {
  background-color: #ffffff;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-8);
}

.auth-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--spacing-8);
}

.auth-logo-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  margin-bottom: var(--spacing-4);
}

.auth-logo-text {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.auth-logo-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--spacing-1);
}

.auth-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  margin-bottom: var(--spacing-6);
}

.auth-footer {
  text-align: center;
  margin-top: var(--spacing-6);
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--color-border);
}

.auth-footer-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ============================================
   PÁGINAS - DASHBOARD
   ============================================ */
.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--spacing-5);
  margin-bottom: var(--spacing-6);
}

@media (min-width: 640px) {
  .dashboard-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .dashboard-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.dashboard-section {
  margin-bottom: var(--spacing-6);
}

.dashboard-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-4);
}

.dashboard-section-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0;
}

/* ============================================
   PÁGINAS - LICITACIONES
   ============================================ */
.licitacion-status {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
}

.licitacion-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.licitacion-status-dot.active {
  background-color: var(--color-success);
}

.licitacion-status-dot.pending {
  background-color: var(--color-warning);
}

.licitacion-status-dot.closed {
  background-color: var(--color-text-muted);
}

.licitacion-priority {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
}

.licitacion-priority.high {
  color: var(--color-danger);
}

.licitacion-priority.medium {
  color: var(--color-warning);
}

.licitacion-priority.low {
  color: var(--color-success);
}

/* ============================================
   PÁGINAS - CRONOGRAMA
   ============================================ */
.gantt-container {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  background-color: #ffffff;
}

.gantt {
  min-width: 800px;
}

.gantt-header {
  display: flex;
  background-color: var(--color-bg-dark);
  border-bottom: 1px solid var(--color-border);
}

.gantt-header-cell {
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  border-right: 1px solid var(--color-border);
}

.gantt-header-cell.task {
  width: 250px;
  flex-shrink: 0;
}

.gantt-header-cell.timeline {
  flex: 1;
  min-width: 500px;
}

.gantt-body {
  display: flex;
  flex-direction: column;
}

.gantt-row {
  display: flex;
  border-bottom: 1px solid var(--color-border);
}

.gantt-row:last-child {
  border-bottom: none;
}

.gantt-row:hover {
  background-color: var(--color-bg);
}

.gantt-cell {
  padding: var(--spacing-3) var(--spacing-4);
  border-right: 1px solid var(--color-border);
}

.gantt-cell.task {
  width: 250px;
  flex-shrink: 0;
}

.gantt-cell.timeline {
  flex: 1;
  min-width: 500px;
  position: relative;
  padding: var(--spacing-2) var(--spacing-4);
}

.gantt-bar {
  height: 28px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-2);
  font-size: var(--font-size-xs);
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
}

.gantt-bar.preparatoria {
  background-color: var(--color-info);
}

.gantt-bar.participacion {
  background-color: var(--color-secondary);
}

.gantt-bar.evaluacion {
  background-color: var(--color-accent);
}

.gantt-bar.adjudicacion {
  background-color: var(--color-success);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.active {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .sidebar-toggle {
    display: none;
  }
}

@media (max-width: 768px) {
  .header-nav {
    display: none;
  }
  
  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .page-actions {
    width: 100%;
    justify-content: flex-start;
  }
  
  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-3);
  }
  
  .modal {
    width: 95%;
    max-height: 95vh;
  }
  
  .auth-card {
    padding: var(--spacing-6);
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-6: 1.25rem;
    --spacing-8: 1.5rem;
  }
  
  .main-content {
    padding: var(--spacing-4);
  }
  
  .btn {
    padding: var(--spacing-2) var(--spacing-4);
  }
  
  .table th,
  .table td {
    padding: var(--spacing-2) var(--spacing-3);
  }
}

/* ============================================
   ANIMACIONES
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-fadeIn {
  animation: fadeIn 0.3s ease-out;
}

.animate-slideInUp {
  animation: slideInUp 0.3s ease-out;
}

.animate-slideInRight {
  animation: slideInRight 0.3s ease-out;
}

/* ============================================
   UTILIDADES ESPECÍFICAS
   ============================================ */
.container {
  width: 100%;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

.divider {
  height: 1px;
  background-color: var(--color-border);
  margin: var(--spacing-4) 0;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-12) var(--spacing-6);
  text-align: center;
}

.empty-state-icon {
  width: 80px;
  height: 80px;
  margin-bottom: var(--spacing-5);
  color: var(--color-border);
}

.empty-state-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--spacing-2);
}

.empty-state-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  max-width: 400px;
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-dark);
  border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* Selección de texto */
::selection {
  background-color: var(--color-secondary);
  color: #ffffff;
}

/* ==========================================
   Logo Oficial - LicitaNet
   ========================================== */
.header-logo-icon,
.auth-logo-icon,
.recovery-logo,
.navbar-logo,
.error-logo {
  background-image: url('../img/logo.png') !important;
  background-size: contain !important;
  background-repeat: no-repeat !important;
  background-position: center !important;
  background-color: transparent !important;
  box-shadow: none !important;
}

.header-logo-icon svg,
.auth-logo-icon svg,
.recovery-logo svg,
.navbar-logo svg,
.error-logo svg {
  display: none !important;
}