/* ============================================
   SISTEMA DE DISEÑO - VARIABLES CSS
   ============================================ */

html[data-theme="light"],
:root {
  box-sizing: border-box;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

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

html[data-theme="light"],
:root {
  /* Reemplazo de colores de Django Admin para unificación total */
  --primary: #11a5c9;
  --primary-fg: #ffffff;
  --accent: #11a5c9;
  --header-bg: #1c2224;
  --header-color: #ffffff;
  --header-link-color: #97AFB9;
  --breadcrumbs-bg: #2d3538;
  --breadcrumbs-link-color: #ffffff;
  --body-bg: #f5f7f8;
  --body-fg: #2c3e50;
  --border-color: #e2e8f0;
  --border-color-light: #edf2f7;

  /* Paleta de colores semánticos */
  --color-success: #10b981;
  --color-success-hover: #059669;
  --color-warning: #f59e0b;
  --color-warning-hover: #d97706;
  --color-danger: #ef4444;
  --color-danger-hover: #dc2626;
  --color-info: #06b6d4;
  --color-info-hover: #0891b2;
  --color-default: #64748b;
  --color-default-hover: #475569;

  /* Colores de fondo */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --bg-hover: #f1f5f9;
  --bg-card: #ffffff;

  /* Colores de texto */
  --text-primary: var(--body-fg);
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-light: #ffffff;

  /* Bordes y sombras */
  --border-radius: 12px;
  --border-radius-sm: 6px;
  --border-radius-lg: 16px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --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-card: 0 4px 20px -2px rgba(0, 0, 0, 0.05);

  /* Espaciado */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;

  /* Tipografía */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --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-xxl: 1.5rem;
  --font-size-xxxl: 2rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-base: 1.5;
  --line-height-tight: 1.25;
  --line-height-loose: 1.75;

  /* Transiciones */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;

  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-tooltip: 1060;
}

/* ============================================
   ESTILOS BASE Y TIPOGRAFÍA
   ============================================ */

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--text-primary);
}

h1 {
  font-size: var(--font-size-xxl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

h2 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-md);
  margin-top: var(--spacing-lg);
  color: var(--text-primary);
}

h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

/* ============================================
   BREADCRUMBS
   ============================================ */

.breadcrumbs,
div.breadcrumbs {
  background: var(--breadcrumbs-bg) !important;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.breadcrumbs a,
div.breadcrumbs a {
  margin-right: var(--spacing-sm);
  text-transform: uppercase;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--header-link-color);
  text-decoration: none;
  transition: color var(--transition-base);
}

.breadcrumbs a:hover,
div.breadcrumbs a:hover {
  color: var(--primary);
}

.breadcrumbs a.breadcrumb-active,
.breadcrumbs .breadcrumb-current {
  color: var(--text-light);
  font-weight: var(--font-weight-semibold);
}

.breadcrumbs .breadcrumb-current {
  text-transform: none;
  font-size: var(--font-size-sm);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.site-logo__icon {
  height: 30px;
  width: auto;
  vertical-align: middle;
}

/* ============================================
   CABECERA Y MENÚ DE NAVEGACIÓN UNIFICADO
   ============================================ */

#header {
  display: flex !important;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  padding: 12px 24px !important;
  background: var(--header-bg);
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

#branding {
  order: 1;
  display: flex;
  align-items: center;
  margin: 0 !important;
  padding: 0 !important;
}

.main-nav {
  order: 2;
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
  margin: 0 auto !important;
}

#user-tools {
  order: 3;
  margin: 0 !important;
  font-size: var(--font-size-sm);
  color: var(--header-link-color);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

#user-tools a {
  color: var(--header-link-color) !important;
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-base);
}

#user-tools a:hover {
  color: var(--primary) !important;
}

.main-nav-link {
  color: #b0bec5;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  border: 1px solid transparent;
}

.main-nav-link i {
  font-size: 0.95rem;
}

.main-nav-link:hover {
  color: #ffffff;
  background: transparent;
}

.main-nav-link.active {
  color: #ffffff !important;
  background: rgba(165, 165, 165, 0.2);
  border-bottom-color: #11a5c9;
  font-weight: 600;
}

.main-nav-link.active i {
  color: #11a5c9;
}

@media (max-width: 900px) {
  #header {
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-md) !important;
  }

  #branding,
  .main-nav,
  #user-tools {
    order: unset;
    margin: 0 !important;
    text-align: center;
    justify-content: center;
    width: 100%;
  }

  .main-nav {
    flex-direction: row;
    justify-content: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-sm) 0 !important;
  }
}