/* ============================================
   VARIABLES DE DISEÑO - SISTEMA REUTILIZABLE
   ============================================ */
   :root {
    /* Colores Principales */
    --color-primary: #253758;
    --color-primary-dark: #1a2a42;
    --color-primary-light: #3d5a7e;
    
    /* Colores de Estado */
    --color-success: #10b981;
    --color-danger: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;
    
    /* Colores Neutrales */
    --color-neutral: #6b7280;
    --color-neutral-light: #9ca3af;
    --color-neutral-dark: #4b5563;
    
    /* Fondos */
    --bg-primary: #f9fafb;
    --bg-secondary: #e3e6ed;
    --bg-surface: #ffffff;
    
    /* Textos */
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --text-inverse: #ffffff;
    
    /* Bordes */
    --border-color: #e5e7eb;
    --border-color-light: #f3f4f6;
    
    /* Bordes Redondeados */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.15);
    
    /* Transiciones */
    --transition-fast: all 0.15s ease;
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s ease;
    
    /* Espaciado */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 40px;
    
    /* Componentes Especi­ficos */
    --nav-width: 70px;
    --nav-bg: var(--bg-secondary);
    --header-height: 70px;
    --header-bg: var(--bg-surface);

    --nav-logo-bg: var(--color-primary);
    --nav-links-bg: var(--bg-secondary);
    --nav-footer-bg: var(--bg-secondary);
  }

  /* ============================================
   DARK MODE - VARIABLES
   Añadir después del bloque :root existente
   ============================================ */
html[data-theme="dark"] {
  /* Colores Principales - Mantener identidad */
  --color-primary: #698cb7;
  --color-primary-dark: #253758;
  --color-primary-light: #6789b6;
  
  /* Colores de Estado - Sin cambios */
  --color-success: #10b981;
  --color-danger: #ef4444;
  --color-warning: #f59e0b;
  --color-info: #3b82f6;
  
  /* Colores Neutrales - Ajustados para dark */
  --color-neutral: #9ca3af;
  --color-neutral-light: #6b7280;
  --color-neutral-dark: #d1d5db;
  
  /* Fondos - Paleta oscura */
  --bg-primary: #1a1a1a;
  --bg-secondary: #212121;
  --bg-surface: #212121;
  
  /* Textos - Invertidos */
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --text-inverse: #111827;
  
  /* Bordes - Más oscuros */
    --border-color: #303030;
    --border-color-light: #353535;
  
  /* Sombras - Más sutiles en dark */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.6);
  
  /* Componentes Específicos */
  --nav-bg: var(--bg-secondary);
  --header-bg: var(--bg-surface);
  --nav-logo-bg: var(--color-primary-dark);
  --nav-links-bg: var(--bg-secondary);
  --nav-footer-bg: var(--bg-secondary);
}

/* ============================================
   DARK MODE - AJUSTES ESPECÍFICOS
   ============================================ */
html[data-theme="dark"] .admin-body {
  background: #1a1a1a;
}

html[data-theme="dark"] .admin-container {
  background: var(--bg-surface);
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.8);
}

html[data-theme="dark"] .admin-right {
  background: var(--bg-surface);
}

html[data-theme="dark"] .admin-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
}

html[data-theme="dark"] .admin-main {
  background: var(--bg-primary);
}

html[data-theme="dark"] .content-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
}

html[data-theme="dark"] .card-header {
  border-bottom: 1px solid var(--border-color);
}

html[data-theme="dark"] .header-action-btn {
  background: var(--bg-secondary);
  border-color: var(--border-color);
}

html[data-theme="dark"] .header-action-btn:hover {
  background: var(--bg-primary);
  border-color: var(--color-primary);
}

/* Tooltips en dark */
html[data-theme="dark"] .nav-icon::after {
  background: var(--bg-surface);
  color: var(--text-primary);
}

html[data-theme="dark"] .nav-icon::before {
  border-right-color: var(--bg-surface);
}
  
  /* ============================================
     RESET
     ============================================ */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    line-height: 1.5;
  }
  
  h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
  }
  
  /* ============================================
     LOGIN
     ============================================ */
  body.text-center {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #253758 0%, #1a2a42 100%);
    padding: 20px;
  }
  
  .form-signin {
    max-width: 400px;
    padding: 40px;
    width: 100%;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  }
  
  .form-signin .form-floating:focus-within {
    z-index: 2;
  }
  
  .form-signin input[type="email"] {
    margin-bottom: -1px;
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
  }
  
  .form-signin input[type="password"] {
    margin-bottom: 10px;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
  }
  
  .logo {
    margin: 0 auto 40px auto;
    background: url(../img/logo.svg) center/contain no-repeat;
    width: 250px;
    height: 75px;
  }
  
  .btn-primary {
    background-color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
    transition: var(--transition-base);
  }
  
  .btn-primary:hover {
    background-color: var(--color-primary-dark) !important;
    transform: translateY(-1px);
  }
  
  /* ============================================
     ADMIN PANEL - ESTRUCTURA
     ============================================ */
  
  /* BODY FONDO GRIS */
  .admin-body {
    background: #f8f9fa;
    min-height: 100vh;
    margin: 0;
    padding: 0;
  }
  
  /* WRAPPER FULL-WIDTH */
  .admin-wrapper {
    width: 100%;
    min-height: 100vh;
    padding: 40px;
  }
  
  /* CONTENEDOR BLANCO CENTRADO */
  .admin-container {
    max-width: 1150px;
    margin: 0 auto;
    background: white;
    border-radius: 24px;
    box-shadow: 50px 0px 90px rgba(0, 0, 0, 0.08);
    display: flex;
    overflow:hidden; /* CAMBIAR DE hidden A visible */
    min-height: calc(100vh - 160px);
    position: relative; /* Añadir */
  }
  
  
  /* ============================================
     CONTENIDO DERECHA
     ============================================ */
  .admin-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: white;
    overflow: hidden;
    position: relative; /* Añadir */
    z-index: 1; /* Añadir - menor que el nav */
  }
  
  /* ============================================
     HEADER 70PX
     ============================================ */
  .admin-header {
    height: 70px;
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    border-bottom: 1px solid #f3f4f6;
    flex-shrink: 0;
  }
  
  .header-left {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
  
  .page-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.2;
  }
  
  .header-datetime {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
  }


  .header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  
  .header-action-btn {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-surface);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    font-size: 1.1rem;
  }
  
  .header-action-btn:hover {
    background: var(--bg-primary);
    border-color: var(--color-primary);
    transform: translateY(-1px);
  }
  
  /* ============================================
     CONTENIDO MAIN
     ============================================ */
  .admin-main {
    flex: 1;
    padding: 40px 30px;
    background: white;
    overflow-y: auto;
  }
  
  /* ============================================
     TABS
     ============================================ */
  .tab-content {
    display: none;
  }
  
  .tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }
  
  /* ============================================
     CONTENT CARDS
     ============================================ */
  .content-card {
    background: white;
    border-radius: 16px;
    border: 1px solid #f3f4f6;
    overflow: hidden;
    margin-bottom: 30px;
  }
  
  .card-header {
    padding: 20px 25px;
    border-bottom: 1px solid #f3f4f6;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
  }
  
  .card-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  
  .card-body {
    padding: 25px;
  }
  
  /* ============================================
     UTILIDADES
     ============================================ */
  .d-none { 
    display: none !important; 
  }
  
  .text-center { 
    text-align: center; 
  }
  
  .text-muted {
    color: var(--text-secondary);
  }
  
  /* ============================================
     RESPONSIVE
     ============================================ */
  @media (max-width: 1024px) {
    .admin-wrapper {
      padding: 40px 15px;
    }
  }
  
  @media (max-width: 768px) {
    .admin-container {
      flex-direction: column;
    }
    
    .admin-nav {
      width: 100%;
      flex-direction: row;
      height: 70px;
    }
    
    .nav-logo {
      width: 70px;
    }
    
    .nav-links {
      flex-direction: row;
      padding: 0;
      justify-content: center;
    }
    
    .nav-logout {
      margin: 0 0 0 auto;
      margin-right: 10px;
    }
    
    .admin-header {
      flex-direction: column;
      height: auto;
      padding: 15px 20px;
      gap: 10px;
    }
    
    .header-user {
      width: 100%;
      justify-content: space-between;
    }
    
    .admin-main {
      padding: 30px 20px;
    }
  }
  
  @media (max-width: 480px) {
    .page-title {
      font-size: 1.3rem;
    }
    
    .card-header {
      flex-direction: column;
      align-items: flex-start;
    }
    
    .form-signin {
      margin: 20px !important;
    }
  }
  
  
  
  /* ============================================
     TOOLTIPS PERSONALIZADOS NAV
     ============================================ */
  .nav-icon {
    position: relative;
  }
  
  .nav-icon::after {
    content: attr(title);
    position: absolute;
    left: 65px;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    color: var(--text-primary);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    pointer-events: none;
  }
  
  .nav-icon::before {
    content: '';
    position: absolute;
    left: 57px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-right: 8px solid white;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 1001;
    pointer-events: none;
  }
  
  .nav-icon:hover::after,
  .nav-icon:hover::before {
    opacity: 1;
    visibility: visible;
  }
  
  /* Excluir tooltip en nav-logout si no quieres que aparezca */
  .nav-logout::after,
  .nav-logout::before {
    display: none;
  }

  html[data-theme="dark"] .page-title {
    color: var(--text-primary);
  }
  
  html[data-theme="dark"] .card-header h3 {
    color: var(--text-primary);
  }
  html[data-theme="dark"] .mobile-header-menu,
  html[data-theme="dark"] .mobile-header-theme,
  html[data-theme="dark"] .mobile-header-search {
    color: var(--text-primary);
  }