/**
 * miclase-theme.css
 * Hoja de estilos centralizada para el sistema miClase.net (Core UI)
 * Tema Dark Premium (OLED, Glassmorphism, Glow & Studio Viewports)
 *
 * @author Carlos Velázquez
 * @version 1.0
 * @since 2026
 */

/* ==========================================================================
   1. VARIABLES Y BASE GLOBALES (MULTI-THEME SUPPORT)
   ========================================================================== */
:root {
    /* Paleta Deep OLED & Glass (Default Dark) */
    --color-bg-body: #050507; 
    --color-card-bg: rgba(22, 22, 30, 0.65); 
    --color-card-border: rgba(255, 255, 255, 0.07); 
    --color-text-main: #f8f9fa;
    --color-text-muted: #8e8e9e;
    
    --color-black-title: rgba(10, 10, 14, 0.85); 
    --color-theme-soft: rgba(0, 0, 0, 0.3);
    --color-theme-contrast: #000000;
    --color-theme-panel: rgba(20, 20, 25, 0.6);
    --btn-close-filter: invert(1) grayscale(100%) brightness(200%);

    /* FIX PRODUCCIÓN: Variables de estado y acento (requeridas para botones y validaciones) */
    --color-primary: #3b82f6;
    --color-primary-hover: #2563eb;
    --color-primary-glow: rgba(59, 130, 246, 0.5);
    --color-primary-contrast: #ffffff;
    
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
}

[data-theme="light"] {
    /* Paleta Light Premium (AdminLTE 4 Compatible) */
    --color-bg-body: #f4f6f9; 
    --color-card-bg: rgba(255, 255, 255, 0.85); 
    --color-card-border: rgba(0, 0, 0, 0.12); 
    --color-text-main: #212529;
    --color-text-muted: #6c757d;
    
    --color-black-title: rgba(255, 255, 255, 0.95); 
    --color-theme-soft: rgba(0, 0, 0, 0.03);
    --color-theme-contrast: #ffffff;
    --color-theme-panel: rgba(255, 255, 255, 0.7);
    --btn-close-filter: none;
    
    /* Ajustes sutiles para fondos de evaluación en Light Mode para mantener el contraste */
    --bg-soft-amarillo: rgba(254, 234, 137, 0.3);
    --bg-soft-azul: rgba(88, 175, 205, 0.2);

    /* FIX PRODUCCIÓN: Variables de estado y acento (Light Mode) */
    --color-primary: #0d6efd;
    --color-primary-hover: #0b5ed7;
    --color-primary-glow: rgba(13, 110, 253, 0.4);
    --color-primary-contrast: #ffffff;
    
    --color-success: #198754;
    --color-warning: #ffc107;
    --color-danger: #dc3545;
}

/* Clases utilitarias semánticas (Reemplazan las clases hardcodeadas de Bootstrap) */
.text-theme-main { color: var(--color-text-main) !important; }
.text-theme-muted { color: var(--color-text-muted) !important; }
.bg-theme-soft { background-color: var(--color-theme-soft) !important; }
.bg-theme-contrast { background-color: var(--color-theme-contrast) !important; }
.bg-theme-panel { background-color: var(--color-theme-panel) !important; }
.bg-black-title { 
    background-color: var(--color-black-title) !important; 
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

body {
    font-family: 'Source Sans 3', 'Segoe UI', sans-serif;
    -webkit-font-smoothing: antialiased;
    background-color: var(--color-bg-body);
    color: var(--color-text-main);
    /* Fondo con halos sutiles de luz */
    background-image:
        radial-gradient(circle at 15% 50%, rgba(59, 130, 246, 0.03), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(16, 185, 129, 0.02), transparent 25%);
    background-attachment: fixed;
}

/* Espaciados y utilidades tipográficas */
.ls-1 {
    letter-spacing: 1px;
}
.ls-2 {
    letter-spacing: 2px;
}

/* ==========================================================================
   2. TARJETAS, CONTENEDORES Y GLASSMORPHISM (Estandarización Premium)
   ========================================================================== */
.glass-panel {
    background: var(--color-card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--color-card-border);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
}

.bg-dark-custom {
    background: var(--color-card-bg) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4) !important;
}

.border-custom-dark {
    border: 1px solid var(--color-card-border) !important;
}

.bg-black-title {
    background-color: var(--color-black-title) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.bg-black-text {
    background-color: var(--color-black-text) !important;
}

/* Cabeceras de Módulo Dinámicas (Respetando colores de Organización + Premium Glass) */
.bg-tema-dinamico {
    background: linear-gradient(135deg, var(--organizacionBackground-0, rgba(30, 30, 40, 0.85)) 0%, rgba(5, 5, 7, 0.95) 100%);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--organizacionBackground-2, var(--color-card-border)) !important;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
}

/* ==========================================================================
   3. BOTONES Y EFECTOS GLOW
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem; 
    vertical-align: middle;
}

.btn.w-100,
.d-grid > .btn {
    display: flex;
}

.btn i,
.btn svg,
.btn span[class^="bi-"],
.btn span[class^="fas-"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 0 !important; 
    margin: 0;
    padding: 0;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-primary-contrast); /* FIX PRODUCCIÓN: Asegurar contraste y visibilidad */
    border: none;
    box-shadow: 0 0 15px var(--color-primary-glow);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    color: var(--color-primary-contrast); /* FIX PRODUCCIÓN */
    box-shadow: 0 0 25px var(--color-primary-glow), 0 0 5px var(--color-primary);
    transform: translateY(-1px);
}

/* FIX PRODUCCIÓN: Integrar el filtro para los botones de cierre nativos (modales, offcanvas, etc.) */
.btn-close {
    filter: var(--btn-close-filter);
}

/* ==========================================================================
   4. FORMULARIOS, INPUTS Y VALIDACIÓN UX
   ========================================================================== */
.input-wrapper {
    position: relative;
}

.input-with-icon-left {
    padding-left: 2.5rem !important;
}

.input-icon-left {
    position: absolute;
    top: 50% !important; 
    left: 0.75rem;
    transform: translateY(-50%) !important;
    font-size: 1.1rem;
    color: var(--color-primary);
    pointer-events: none;
    z-index: 10;
}

/* ==========================================================================
   FIX GLOBAL: ESTANDARIZACIÓN ESTRUCTURAL DE ICONOS DERECHOS (OJO, LIMPIAR)
   ========================================================================== */
/* 1. Clases base dinámicas para el espacio (padding-right) basados en estructura HTML */
.form-control.has-clear-btn,
.form-control.has-toggle-btn,
.input-wrapper:has(> .btn-clear-input) > .form-control,
.input-wrapper:has(> .toggle-password) > .form-control,
.position-relative:has(> .btn-clear-input) > .form-control,
.position-relative:has(> .toggle-password) > .form-control { 
    padding-right: 2.5rem !important; 
}

.form-control.has-clear-and-toggle,
.input-wrapper:has(> .btn-clear-input):has(> .toggle-password) > .form-control,
.position-relative:has(> .btn-clear-input):has(> .toggle-password) > .form-control { 
    padding-right: 4.5rem !important; 
}

/* 2. Posicionamiento base de los botones flotantes derechos */
.btn-clear-input,
.toggle-password {
    position: absolute;
    top: 50% !important; /* Fuerza el centrado vertical en todos las resoluciones */
    transform: translateY(-50%) !important;
    background: transparent !important;
    border: none !important;
    cursor: pointer;
    z-index: 10;
    padding: 0;
    margin: 0;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-clear-input {
    color: var(--color-text-muted);
    font-size: 1.15rem;
    display: none; /* JS controla su visibilidad real */
    transition: color 0.2s ease, transform 0.2s ease;
}

.btn-clear-input:hover {
    color: var(--color-danger);
    transform: translateY(-50%) scale(1.15) !important;
}

.toggle-password {
    color: var(--color-primary);
    font-size: 1.1rem;
    transition: color 0.2s ease, filter 0.2s ease;
}

.toggle-password:hover {
    color: var(--color-primary-hover);
    filter: drop-shadow(0 0 5px var(--color-primary-glow));
}

/* 3. Distribución inteligente cuando coexisten múltiples botones (Bloqueo de empalmes) */
.input-wrapper:has(> .btn-clear-input) > .btn-clear-input,
.position-relative:has(> .btn-clear-input) > .btn-clear-input { right: 0.75rem; }

.input-wrapper:has(> .toggle-password) > .toggle-password,
.position-relative:has(> .toggle-password) > .toggle-password { right: 0.75rem; }

/* Cuando coexisten ojo de contraseña y botón de limpiar */
.input-wrapper:has(> .btn-clear-input):has(> .toggle-password) > .toggle-password,
.position-relative:has(> .btn-clear-input):has(> .toggle-password) > .toggle-password { right: 0.75rem !important; }

.input-wrapper:has(> .btn-clear-input):has(> .toggle-password) > .btn-clear-input,
.position-relative:has(> .btn-clear-input):has(> .toggle-password) > .btn-clear-input { right: 2.5rem !important; }

/* 4. Convivencia con iconos nativos de validación de Bootstrap (is-valid / is-invalid) */
.input-wrapper:has(> .btn-clear-input) > .form-control.is-valid,
.input-wrapper:has(> .btn-clear-input) > .form-control.is-invalid,
.position-relative:has(> .btn-clear-input) > .form-control.is-valid,
.position-relative:has(> .btn-clear-input) > .form-control.is-invalid,
.input-wrapper:has(> .toggle-password) > .form-control.is-valid,
.input-wrapper:has(> .toggle-password) > .form-control.is-invalid,
.position-relative:has(> .toggle-password) > .form-control.is-valid,
.position-relative:has(> .toggle-password) > .form-control.is-invalid {
    padding-right: 4.5rem !important;
    background-position: right 2.5rem center !important;
}

.input-wrapper:has(> .btn-clear-input):has(> .toggle-password) > .form-control.is-valid,
.input-wrapper:has(> .btn-clear-input):has(> .toggle-password) > .form-control.is-invalid,
.position-relative:has(> .btn-clear-input):has(> .toggle-password) > .form-control.is-valid,
.position-relative:has(> .btn-clear-input):has(> .toggle-password) > .form-control.is-invalid {
    padding-right: 6.5rem !important;
    background-position: right 4.2rem center !important;
}

/* ========================================================================== */

/* Estados de Validación (Bootstrap overrides) */
.form-control.is-invalid, .form-select.is-invalid, select.is-invalid {
    border-color: var(--color-danger) !important;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05), 0 0 0 0.25rem rgba(239, 68, 68, 0.25) !important;
    background-color: rgba(239, 68, 68, 0.05) !important;
}

.form-control.is-valid, .form-select.is-valid, select.is-valid {
    border-color: var(--color-success) !important;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05), 0 0 0 0.25rem rgba(16, 185, 129, 0.25) !important;
    background-color: rgba(16, 185, 129, 0.05) !important;
}

/* Tooltips UX en Formularios */
.warning-tooltip {
    display: none; 
    background-color: var(--color-warning); 
    color: #ffffff; 
    font-size: 0.8rem;
    margin-top: 0.4rem;
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.25);
    animation: fadeInDown 0.25s ease forwards;
    position: relative;
    z-index: 5;
}

.input-wrapper:focus-within .warning-tooltip {
    display: block;
}

.invalid-tooltip {
    display: none; 
    background-color: var(--color-danger); 
    color: #ffffff; 
    font-size: 0.8rem;
    margin-top: 0.4rem;
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
    animation: fadeInDown 0.25s ease forwards;
    position: relative;
    z-index: 5;
}

.form-control.is-invalid ~ .invalid-tooltip,
.form-select.is-invalid ~ .invalid-tooltip,
select.is-invalid ~ .invalid-tooltip,
.input-wrapper:has(.form-control.is-invalid) > .invalid-tooltip,
.input-wrapper:has(.form-select.is-invalid) > .invalid-tooltip,
.input-wrapper:has(select.is-invalid) > .invalid-tooltip {
    display: block !important;
}

.form-control.is-invalid ~ .warning-tooltip,
.form-select.is-invalid ~ .warning-tooltip,
select.is-invalid ~ .warning-tooltip,
.input-wrapper:has(.form-control.is-invalid) .warning-tooltip,
.input-wrapper:has(select.is-invalid) .warning-tooltip,
.input-wrapper:has(.form-control.is-invalid):focus-within .warning-tooltip {
    display: none !important;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Efecto focus en inputs (Microinteracciones) */
.input-wrapper:focus-within .input-icon-left,
.input-wrapper:has(.select2-container--open) .input-icon-left,
.input-wrapper:has(.select2-container--focus) .input-icon-left {
    color: var(--color-primary-hover);
    filter: drop-shadow(0 0 8px var(--color-primary-glow));
    transform: translateY(-50%) scale(1.1) !important;
    transition: all 0.2s ease;
}

.input-wrapper input:focus, .input-wrapper select:focus {
    border-color: var(--color-primary) !important;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05), 0 0 0 0.25rem var(--color-primary-glow) !important;
}

/* ==========================================================================
   5. COMPONENTES EXTRA (DataTables, Viewport Profesional Imágenes)
   ========================================================================== */
.img-preview-wrapper {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background-color: var(--color-canvas-bg);
    background-image: radial-gradient(circle at center, #2c2c3a 0%, #16161e 100%);
    border: 1px solid var(--color-card-border);
    box-shadow: inset 0 5px 20px rgba(0, 0, 0, 0.6), inset 0 0 0 1px rgba(255, 255, 255, 0.02);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 150px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.img-preview-wrapper:hover {
    border-color: var(--color-primary);
    box-shadow: inset 0 5px 20px rgba(0, 0, 0, 0.6), 0 0 15px var(--color-primary-glow);
    transform: translateY(-2px);
}

.img-preview-wrapper img {
    max-height: 120px;
    max-width: 85%;
    object-fit: contain;
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.8)) drop-shadow(0 0 2px rgba(255, 255, 255, 0.2));
    z-index: 2;
    transition: transform 0.3s ease;
}

.img-preview-wrapper:hover img {
    transform: scale(1.05);
}

.img-preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(239, 68, 68, 0.65);
    z-index: 10;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   6. MÓDULO: PÁGINA DE LOGIN (Mejoras Dark Premium)
   ========================================================================== */
.login-wrapper {
    background-color: transparent;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    width: 100%;
}

.login-ambient-glow {
    position: absolute;
    width: 50vw;
    height: 50vw;
    max-width: 800px;
    max-height: 800px;
    background: radial-gradient(circle, var(--color-primary-glow) 0%, transparent 60%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
    pointer-events: none;
    opacity: 0.35;
    animation: pulseGlow 6s infinite alternate ease-in-out;
}

@keyframes pulseGlow {
    0% {
        transform: translate(-50%, -50%) scale(0.9);
        opacity: 0.3;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.5;
    }
}

/* Animación exclusiva para badges en DataTables */
@keyframes pulseBadge {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
    }
    50% {
        transform: scale(1.08);
        box-shadow: 0 0 10px 4px rgba(239, 68, 68, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
    }
}

.login-box-custom {
    background: rgba(15, 15, 20, 0.65);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 40px; 
    border-radius: 12px;
    border: 1px solid var(--color-card-border);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255,255,255,0.02);
    max-width: 400px;
    width: 100%;
    z-index: 1;
    position: relative;
}

.login-logo {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.login-logo span {
    color: var(--color-primary);
    text-shadow: 0 0 10px var(--color-primary-glow);
}
.login-logo a {
    color: var(--color-text-main);
    text-decoration: none;
}
.login-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: 25px;
}

.hover-glow {
  transition: color 0.3s ease, text-shadow 0.3s ease, transform 0.25s ease;
}

.hover-glow:hover {
  color: var(--color-primary-contrast);
  text-shadow: 
    0 0 6px var(--color-primary-glow),
    0 0 12px var(--color-primary-glow);
  transform: translateY(-1px);
}

/* ==========================================================================
   7. MÓDULO: MANEJADOR DE ERRORES
   ========================================================================== */
.error-component-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    width: 100%;
}

.error-card {
    background: var(--color-card-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--color-card-border);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    max-width: 600px;
    width: 100%;
    overflow: hidden;
    position: relative;
}

.error-card .status-bar {
    height: 4px;
    width: 100%;
    display: block;
}

.error-empty-state {
    text-align: center;
    padding: 3rem 2rem;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.error-empty-state-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
    display: inline-block;
    opacity: 0.9;
    color: var(--color-text-main) !important;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), color 0.3s ease, opacity 0.3s ease, filter 0.3s ease;
}

.error-card:hover .error-empty-state-icon {
    transform: scale(1.1) rotate(-8deg);
    opacity: 1;
    color: var(--color-warning) !important;
    filter: drop-shadow(0 0 15px rgba(245, 158, 11, 0.4));
}

.error-code {
    font-size: 0.85rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.error-title {
    font-weight: 300;
    font-size: 2rem;
    color: var(--color-text-main);
    margin-bottom: 1rem;
}

.error-msg {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
}

/* ==========================================================================
   8. MÓDULO: VISOR DE MARKDOWN (ACTUALIZADO - ALTA LEGIBILIDAD & LATEX)
   ========================================================================== */
#md-viewer-app-scope {
    --md-accent: var(--color-primary);
    --md-bg-dark: rgba(22, 22, 30, 0.4);
    --md-card-bg: var(--color-card-bg);
    --md-border: var(--color-card-border);
    --md-scrollbar-thumb: rgba(255, 255, 255, 0.2);
}

#md-viewer-app-scope .markdown-body {
    background: transparent !important;
    font-family: 'Source Sans 3', 'Segoe UI', sans-serif !important;
    font-size: 1.25rem !important; /* Aumentado drásticamente */
    line-height: 1.85 !important;
    color: #e2e8f0 !important; /* Color platinado de alto contraste */
}

/* Equilibrio Tipográfico de Títulos */
#md-viewer-app-scope .markdown-body h1,
#md-viewer-app-scope .markdown-body h2,
#md-viewer-app-scope .markdown-body h3,
#md-viewer-app-scope .markdown-body h4,
#md-viewer-app-scope .markdown-body h5,
#md-viewer-app-scope .markdown-body h6 {
    color: #ffffff !important;
    font-weight: 700 !important;
    margin-top: 1.8em !important;
    margin-bottom: 0.8em !important;
    line-height: 1.3 !important;
}

#md-viewer-app-scope .markdown-body h1 {
    font-size: 1.95rem !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15) !important;
    padding-bottom: 0.4em !important;
}

#md-viewer-app-scope .markdown-body h2 {
    font-size: 1.75rem !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
    padding-bottom: 0.3em !important;
}

#md-viewer-app-scope .markdown-body h3 { font-size: 1.5rem !important; }
#md-viewer-app-scope .markdown-body h4 { font-size: 1.35rem !important; }

#md-viewer-app-scope .markdown-body p,
#md-viewer-app-scope .markdown-body li {
    font-size: 1.25rem !important;
    margin-bottom: 1.25em !important;
}

/* Enlaces y Citas */
#md-viewer-app-scope .markdown-body a {
    color: #6ea8fe !important;
    text-decoration: none !important;
    border-bottom: 1px solid transparent !important;
    transition: all 0.2s ease-in-out !important;
}

#md-viewer-app-scope .markdown-body a:hover {
    color: #9ec5fe !important;
    border-bottom: 1px solid #9ec5fe !important;
}

#md-viewer-app-scope .markdown-body blockquote {
    font-size: 1.25rem !important;
    padding: 1.2rem 1.8rem !important;
    margin: 1.8em 0 !important;
    border-left: 4px solid #3b82f6 !important;
    background-color: rgba(59, 130, 246, 0.08) !important;
    color: #cbd5e1 !important;
    border-radius: 0 0.5rem 0.5rem 0 !important;
    font-style: italic !important;
}

/* Bloques de Código */
#md-viewer-app-scope .markdown-body code {
    font-family: 'Fira Code', 'Courier New', Courier, monospace !important;
    background-color: rgba(255, 255, 255, 0.08) !important;
    color: #f472b6 !important;
    padding: 0.25em 0.4em !important;
    border-radius: 0.375rem !important;
    font-size: 1rem !important;
}

#md-viewer-app-scope .markdown-body pre {
    background-color: #0b0c10 !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    border-radius: 0.5rem !important;
    padding: 1.5rem !important;
    overflow-x: auto !important;
    margin: 1.8em 0 !important;
    box-shadow: inset 0 2px 6px rgba(0,0,0,0.5) !important;
}

#md-viewer-app-scope .markdown-body pre code {
    background-color: transparent !important;
    color: #e2e8f0 !important;
    padding: 0 !important;
    font-size: 1.1rem !important;
}

/* Tablas */
#md-viewer-app-scope .markdown-body table {
    width: 100% !important;
    margin-bottom: 2.2em !important;
    border-collapse: collapse !important;
    margin: 0 !important;
    font-size: 1.15rem !important;
}

#md-viewer-app-scope .markdown-body table th {
    background-color: rgba(59, 130, 246, 0.2) !important;
    color: white !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 10 !important;
    padding: 12px 18px !important;
    white-space: nowrap !important;
    backdrop-filter: blur(5px) !important;
}

#md-viewer-app-scope .markdown-body table td {
    border-bottom: 1px solid var(--md-border) !important;
    padding: 12px 18px !important;
}

/* --- IMÁGENES (RESTAURADO A ORIGINAL Y BLINDADO) --- */
#md-viewer-app-scope .markdown-body img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
    margin: 20px auto !important;
    border-radius: 6px !important;
    background-color: transparent !important;
    background-image: none !important;
    border: none !important;
    box-shadow: none !important;
    object-fit: contain !important;
}

/* Integración LaTeX y Matemáticas */
#md-viewer-app-scope .markdown-body .MathJax_Display, 
#md-viewer-app-scope .markdown-body .katex-display {
    overflow-x: auto !important;
    overflow-y: hidden !important;
    padding: 1.2em 0 !important;
    margin: 1.8em 0 !important;
    color: #ffffff !important;
    font-size: 1.3rem !important;
}

#md-viewer-app-scope .markdown-body .MathJax, 
#md-viewer-app-scope .markdown-body .katex {
    color: #ffffff !important;
    font-size: 1.25rem !important;
}

#md-viewer-app-scope .markdown-body merror {
    background: rgba(239, 68, 68, 0.2) !important;
    color: #fca5a5 !important;
    border: 1px solid #ef4444 !important;
    padding: 4px 8px !important;
    border-radius: 4px !important;
    font-size: 1.1rem !important;
}

/* Elementos Extra de UI */
#md-viewer-app-scope .empty-state {
    text-align: center;
    padding: 4rem 1.5rem;
    animation: fadeIn 0.5s ease-in-out;
}

#md-viewer-app-scope .empty-state-icon {
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.3);
    margin-bottom: 1.5rem;
    display: block;
    transition: transform 0.3s ease, color 0.3s ease, filter 0.3s ease;
}

#md-viewer-app-scope .empty-state:hover .empty-state-icon {
    transform: scale(1.05);
    color: var(--md-accent);
    filter: drop-shadow(0 0 15px var(--color-primary-glow));
}

#md-viewer-app-scope ::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
#md-viewer-app-scope ::-webkit-scrollbar-track {
    background: var(--md-card-bg);
    border-radius: 4px;
}
#md-viewer-app-scope ::-webkit-scrollbar-thumb {
    background: var(--md-scrollbar-thumb);
    border-radius: 4px;
}
#md-viewer-app-scope ::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.4);
}

#md-viewer-app-scope .video-container,
#md-viewer-app-scope video.local-video {
    display: block;
    margin: 2rem auto;
    width: 60%;
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
    background: #000;
}

@media (max-width: 992px) {
    #md-viewer-app-scope .video-container,
    #md-viewer-app-scope video.local-video {
        width: 100% !important;
        margin: 1.5rem 0;
    }
}

#md-viewer-app-scope .video-responsive-inner {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 8px;
}

#md-viewer-app-scope .video-responsive-inner iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

#md-viewer-app-scope .mermaid-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin: 2.5rem 0;
    overflow-x: auto;
}

#md-viewer-app-scope .mermaid {
    width: auto;
    max-width: 100%;
}

@media (min-width: 993px) {
    #md-viewer-app-scope .mermaid.is-gantt {
        width: 80% !important;
        max-width: 80%;
    }
}

@media (max-width: 992px) {
    #md-viewer-app-scope .mermaid.is-gantt {
        width: 100% !important;
    }
}

#md-viewer-app-scope .mermaid svg {
    width: 100% !important;
    height: auto !important;
    display: block;
    margin: 0 auto;
}

#md-viewer-app-scope .table-responsive-wrapper {
    display: block;
    margin: 2rem auto;
    width: fit-content;
    max-width: 100%;
    overflow: auto;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.4);
    background-color: var(--md-bg-dark);
    border: 1px solid var(--md-border);
    backdrop-filter: blur(10px);
    max-height: 75vh;
}

#md-viewer-app-scope .task-list-item {
    display: flex;
    align-items: flex-start;
    padding: 6px 10px;
    gap: 15px;
}

#md-viewer-app-scope .task-checkbox {
    appearance: none;
    width: 1.3em;
    height: 1.3em;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    position: relative;
    transition: all 0.2s;
}

#md-viewer-app-scope .task-checkbox:checked {
    background-color: var(--md-accent);
    border-color: var(--md-accent);
    box-shadow: 0 0 10px var(--color-primary-glow);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='M6 10l3 3l6-6'/%3e%3c/svg%3e");
    background-size: 80%;
    background-position: center;
    background-repeat: no-repeat;
}

#md-viewer-app-scope .math-plot-container {
    background: rgba(15, 15, 20, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid var(--md-border);
    border-radius: 8px;
    margin: 2rem auto;
    padding: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.5);
    width: 100%;
    display: flex;
    justify-content: center;
}

#md-viewer-app-scope .function-plot text {
    fill: #ffffff !important;
    font-size: 14px !important;
    font-weight: 600;
}
#md-viewer-app-scope .function-plot .axis path,
#md-viewer-app-scope .function-plot .axis line {
    stroke: #ffffff !important;
    stroke-width: 2px !important;
}
#md-viewer-app-scope .function-plot .grid .tick line {
    stroke: rgba(255, 255, 255, 0.2) !important;
    stroke-dasharray: 2, 2;
}
#md-viewer-app-scope .function-plot path.line {
    stroke-width: 4px !important;
    filter: drop-shadow(0 0 6px var(--color-primary-glow));
}
#md-viewer-app-scope .function-plot .tip {
    background: rgba(0, 0, 0, 0.9) !important;
    color: var(--color-success) !important;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    padding: 8px 12px;
    font-family: monospace;
    z-index: 100;
}

/* ==========================================================================
   9. MÓDULO: MENÚ LATERAL Y GLOW EFFECTS
   ========================================================================== */
.app-sidebar .nav-link {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    overflow: visible !important;
    min-height: 2.5rem !important;
}

.app-sidebar .nav-link p {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    flex: 1 1 auto !important;
    width: 100% !important;
    margin: 0 !important;
    padding-left: 0.5rem !important;
    padding-right: 0.25rem !important;
    overflow: visible !important;
    line-height: 1 !important;
    box-sizing: border-box !important;
}

/* FIX DEFENSIVO ABSOLUTO PARA CHEVRONS EN MENÚ LATERAL (PREVIENE DESFASE POR MATHJAX/MARKDOWN) */
.app-sidebar .nav-link .nav-arrow,
.app-sidebar .nav-link p .nav-arrow,
.app-sidebar .nav-link i.nav-arrow,
.app-sidebar .nav-link .bi-chevron-right,
.app-sidebar .nav-link .bi-chevron-down {
    position: relative !important;
    top: auto !important;
    bottom: auto !important;
    left: auto !important;
    right: auto !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    align-self: center !important; /* Blindaje de eje cruzado flexbox frente a resets tipográficos globales */
    margin: 0 0 0 auto !important;
    padding: 0 !important;
    width: 1.25rem !important;
    height: 1.25rem !important;
    min-width: 1.25rem !important;
    min-height: 1.25rem !important;
    flex-shrink: 0 !important;
    font-size: 0.85rem !important;
    line-height: 1 !important;
    vertical-align: middle !important;
    box-sizing: border-box !important;
    float: none !important;
    color: var(--color-text-muted) !important;
    /* FORZAR TRANSFORM EN ESTADO BASE/NO SELECCIONADO PARA REPLICAR CÁLCULO DE LAYOUT DE MENU-OPEN */
    transform: rotate(0deg) !important;
    transform-origin: center center !important;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), color 0.3s ease !important;
}

/* Aislamiento estricto de pseudoelementos y vectores internos contra CSS resets */
.app-sidebar .nav-link .nav-arrow::before,
.app-sidebar .nav-link p .nav-arrow::before,
.app-sidebar .nav-link .nav-arrow i,
.app-sidebar .nav-link .nav-arrow svg {
    display: inline-block !important;
    position: static !important;
    top: auto !important;
    line-height: 1 !important;
    vertical-align: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    float: none !important;
    font-size: inherit !important;
}

/* Estado desplegado del menú (Acordeón abierto / Seleccionado) */
.app-sidebar .nav-item.menu-open > .nav-link .nav-arrow,
.app-sidebar .nav-item.menu-open > .nav-link p .nav-arrow {
    transform: rotate(90deg) !important;
    color: var(--color-primary) !important;
}

.app-sidebar .nav-item.menu-open > .nav-link,
.app-sidebar .nav-item > .nav-link.active {
    background: var(--color-card-bg-hover) !important;
    color: var(--color-text-main) !important;
    border-radius: 0.375rem !important;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
    transition: background-color 0.2s ease, color 0.2s ease !important;
}

.app-sidebar .nav-item.menu-open > .nav-link > .nav-icon,
.app-sidebar .nav-item > .nav-link.active > .nav-icon {
    color: var(--color-primary) !important;
    filter: drop-shadow(0 0 8px var(--color-primary-glow)) !important;
}

/* FIX: ALINEACIÓN DINÁMICA DE SUBMENÚS Y RESPETO A SIDEBAR COLLAPSE */
body:not(.sidebar-collapse) .app-sidebar .nav-treeview > .nav-item > .nav-link,
body.sidebar-collapse .app-sidebar:hover .nav-treeview > .nav-item > .nav-link {
    padding-left: 2.2rem !important;
    transition: padding-left 0.3s ease;
}

body.sidebar-collapse .app-sidebar:not(:hover) .nav-treeview > .nav-item > .nav-link {
    padding-left: 1rem !important; 
    justify-content: center !important;
    transition: padding-left 0.3s ease;
}

body.sidebar-collapse .app-sidebar:not(:hover) .nav-treeview > .nav-item > .nav-link p {
    display: none !important;
}

/* ==========================================================================
   10. MODIFICACIONES EXCLUSIVAS PARA EL LOGIN (access.php)
   ========================================================================== */
.login-wrapper .input-wrapper,
.login-wrapper .input-group,
.login-wrapper .position-relative {
    position: relative !important;
}

.login-wrapper .input-icon-left,
.login-wrapper .btn-clear-input,
.login-wrapper .toggle-password {
    position: absolute !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    z-index: 10 !important;
}

.login-wrapper .input-icon-left {
    left: 0.75rem !important;
    color: var(--color-primary) !important;
    filter: drop-shadow(0 0 4px var(--color-primary-glow)) !important;
}

.login-wrapper .toggle-password {
    color: var(--color-primary) !important;
    filter: drop-shadow(0 0 4px var(--color-primary-glow)) !important;
}

.login-wrapper .form-control.is-valid,
.login-wrapper .form-control.is-invalid {
    background-image: none !important;
}

.login-wrapper .warning-tooltip,
.login-wrapper .invalid-tooltip {
    position: absolute !important;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    z-index: 20;
}

/* ==========================================================================
   11. FIX GLOBAL: SCROLL-LOCK BOOTSTRAP 5 vs ADMINLTE 4
   ========================================================================== */
body.modal-open {
    padding-right: 0 !important;
    overflow: visible !important; 
}

.modal-open .app-wrapper,
.modal-open .app-header,
.modal-open .app-footer,
.modal-open .app-main,
.modal-open .fixed-top,
.modal-open .fixed-bottom {
    padding-right: 0 !important;
    margin-right: 0 !important;
}

/* ==========================================================================
   12. FIX GLOBAL: MENÚS DESPLEGABLES EN DATATABLES
   ========================================================================== */
.table-responsive .dropdown-menu {
    z-index: 1055 !important;
    margin-top: 5px !important; 
}

/* ==========================================================================
   13. FIX GLOBAL: OCULTAR BREADCRUMBS EN MÓVILES
   ========================================================================== */
@media (max-width: 767.98px) {
    .app-main .breadcrumb,
    .app-content-header .breadcrumb {
        display: none !important;
    }
}

/* ==========================================================================
   14. TIMELINE DE HISTORIAL VIRTUALIZADO
   ========================================================================== */
.timeline-table.dataTable {
    border-collapse: collapse !important;
    border: none !important;
    margin-top: 1rem !important;
}
.timeline-table.dataTable tbody tr {
    background-color: transparent !important;
}
.timeline-table.dataTable tbody td {
    border: none !important;
    padding: 0 0 1rem 0 !important;
    background: transparent !important;
}
.timeline-table.dataTable.no-footer {
    border-bottom: none !important;
}
.timeline-item-wrapper {
    position: relative;
    padding-left: 10px;
}
.dataTables_filter label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   15. MÁQUINA DE ESTADOS DEL CROPPER/CÁMARA (Bloqueo Físico de Visibilidad)
   ========================================================================== */
.cropper-state-machine .img-action-buttons {
    display: none !important; /* Oculto por defecto a nivel estructural */
}

/* 1. Estado Vacío (Sin foto, sin cámara) */
.cropper-state-machine[data-state="empty"] .initial-actions { display: flex !important; }
.cropper-state-machine[data-state="empty"] .img-action-buttons { display: none !important; }

/* 2. Estado Cámara (Cámara encendida, esperando captura) */
.cropper-state-machine[data-state="camera"] .initial-actions { display: none !important; }
.cropper-state-machine[data-state="camera"] .img-action-buttons { display: flex !important; }
.cropper-state-machine[data-state="camera"] .btn-take-photo { display: inline-flex !important; }
.cropper-state-machine[data-state="camera"] .btn-trigger-crop { display: none !important; }

/* 3. Estado Cargado (Foto subida o capturada) */
.cropper-state-machine[data-state="loaded"] .initial-actions { display: none !important; }
.cropper-state-machine[data-state="loaded"] .img-action-buttons { display: flex !important; }
.cropper-state-machine[data-state="loaded"] .btn-take-photo { display: none !important; }
.cropper-state-machine[data-state="loaded"] .btn-trigger-crop { display: inline-flex !important; }

/* ==========================================================================
   16. DRAG AND DROP ZONE (MÓDULO UPLOADS)
   ========================================================================== */
.drop-zone {
    transition: all 0.3s ease;
    position: relative;
}

.drop-zone.dragover {
    background-color: rgba(59, 130, 246, 0.15) !important;
    border-color: var(--color-primary) !important;
    border-style: dashed !important;
    border-width: 2px !important;
    box-shadow: inset 0 0 15px var(--color-primary-glow);
}

/* ==========================================================================
   17. PALETA DE COLORES EXTENDIDA (Gamificación, Explicaciones y Módulos)
   ========================================================================== */
:root {
    /* Variables globales de color base */
    --color-amarillo: #FEEA89;
    --color-naranja:  #FBC58B;
    --color-azul:     #58AFCD;
    --color-verde:    #B4D68A;
    --color-cian:     #00E5FF;
    --color-salmon:   #FF6B6B;
    --color-mostaza:  #FFD166;
    --color-lila:     #A29BFE;
    --color-menta:    #2ED573;
    --color-indigo:   #9D5CFF;
    --color-purpura:  #AC75FF;
    --color-rosa:     #FF66B2;
    --color-teal:     #3FE3B2;
    --color-gris:     #B0B8C1;

    /* Alpha / Borders Derivados (Opacidad 90%) */
    --border-amarillo: rgba(254, 234, 137, 0.9);
    --border-naranja:  rgba(251, 197, 139, 0.9);
    --border-azul:     rgba(88, 175, 205, 0.9);
    --border-verde:    rgba(180, 214, 138, 0.9);
    --border-cian:     rgba(0, 229, 255, 0.9);
    --border-salmon:   rgba(255, 107, 107, 0.9);
    --border-mostaza:  rgba(255, 209, 102, 0.9);
    --border-lila:     rgba(162, 155, 254, 0.9);
    --border-menta:    rgba(46, 213, 115, 0.9);
    
    --border-indigo:   rgba(157, 92, 255, 0.9);
    --border-purpura:  rgba(172, 117, 255, 0.9);
    --border-rosa:     rgba(255, 102, 178, 0.9);
    --border-teal:     rgba(63, 227, 178, 0.9);
    --border-gris:     rgba(176, 184, 193, 0.9);

    /* Alpha / Fondos Soft (Opacidad 15%) */
    --bg-soft-amarillo: rgba(254, 234, 137, 0.15);
    --bg-soft-naranja:  rgba(251, 197, 139, 0.15);
    --bg-soft-azul:     rgba(88, 175, 205, 0.15);
    --bg-soft-verde:    rgba(180, 214, 138, 0.15);
    --bg-soft-cian:     rgba(0, 229, 255, 0.15);
    --bg-soft-salmon:   rgba(255, 107, 107, 0.15);
    --bg-soft-mostaza:  rgba(255, 209, 102, 0.15);
    --bg-soft-lila:     rgba(162, 155, 254, 0.15);
    --bg-soft-menta:    rgba(46, 213, 115, 0.15);
    
    --bg-soft-indigo:   rgba(102, 16, 242, 0.15);
    --bg-soft-purpura:  rgba(111, 66, 193, 0.15);
    --bg-soft-rosa:     rgba(214, 51, 132, 0.15);
    --bg-soft-teal:     rgba(32, 201, 151, 0.15);
    --bg-soft-gris:     rgba(108, 117, 125, 0.15);
}

/* --------------------------------------------------------------------------
   1. Tipografía e Iconos (.text-[color])
   -------------------------------------------------------------------------- */
.text-amarillo { color: var(--color-amarillo) !important; }
.text-naranja  { color: var(--color-naranja) !important; }
.text-azul     { color: var(--color-azul) !important; }
.text-verde    { color: var(--color-verde) !important; }
.text-cian     { color: var(--color-cian) !important; }
.text-salmon   { color: var(--color-salmon) !important; }
.text-mostaza  { color: var(--color-mostaza) !important; }
.text-lila     { color: var(--color-lila) !important; }
.text-menta    { color: var(--color-menta) !important; }
.text-indigo   { color: var(--color-indigo) !important; }
.text-purpura  { color: var(--color-purpura) !important; }
.text-rosa     { color: var(--color-rosa) !important; }
.text-teal     { color: var(--color-teal) !important; }
.text-gris     { color: var(--color-gris) !important; }

/* --------------------------------------------------------------------------
   2. Fondos Sólidos (.bg-[color]) y Soft (.bg-[color]-soft)
   -------------------------------------------------------------------------- */
/* Fondos Sólidos (Estándar Nativo Bootstrap) */
.bg-amarillo { background-color: var(--color-amarillo) !important; color: #16161e !important; }
.bg-naranja  { background-color: var(--color-naranja) !important;  color: #16161e !important; }
.bg-azul     { background-color: var(--color-azul) !important;     color: #ffffff !important; }
.bg-verde    { background-color: var(--color-verde) !important;    color: #16161e !important; }
.bg-cian     { background-color: var(--color-cian) !important;     color: #16161e !important; }
.bg-salmon   { background-color: var(--color-salmon) !important;   color: #ffffff !important; }
.bg-mostaza  { background-color: var(--color-mostaza) !important;  color: #16161e !important; }
.bg-lila     { background-color: var(--color-lila) !important;     color: #ffffff !important; }
.bg-menta    { background-color: var(--color-menta) !important;    color: #16161e !important; }
.bg-indigo   { background-color: var(--color-indigo) !important;   color: #ffffff !important; }
.bg-purpura  { background-color: var(--color-purpura) !important;  color: #ffffff !important; }
.bg-rosa     { background-color: var(--color-rosa) !important;     color: #ffffff !important; }
.bg-teal     { background-color: var(--color-teal) !important;     color: #ffffff !important; }
.bg-gris     { background-color: var(--color-gris) !important;     color: #ffffff !important; }

/* Fondos Traslúcidos (Glassmorphism Soft) */
.bg-amarillo-soft { background-color: var(--bg-soft-amarillo) !important; }
.bg-naranja-soft  { background-color: var(--bg-soft-naranja) !important; }
.bg-azul-soft     { background-color: var(--bg-soft-azul) !important; }
.bg-verde-soft    { background-color: var(--bg-soft-verde) !important; }
.bg-cian-soft     { background-color: var(--bg-soft-cian) !important; }
.bg-salmon-soft   { background-color: var(--bg-soft-salmon) !important; }
.bg-mostaza-soft  { background-color: var(--bg-soft-mostaza) !important; }
.bg-lila-soft     { background-color: var(--bg-soft-lila) !important; }
.bg-menta-soft    { background-color: var(--bg-soft-menta) !important; }
.bg-indigo-soft   { background-color: var(--bg-soft-indigo) !important; }
.bg-purpura-soft  { background-color: var(--bg-soft-purpura) !important; }
.bg-rosa-soft     { background-color: var(--bg-soft-rosa) !important; }
.bg-teal-soft     { background-color: var(--bg-soft-teal) !important; }
.bg-gris-soft     { background-color: var(--bg-soft-gris) !important; }

/* --------------------------------------------------------------------------
   3. Utilidades de Borde Completo e Individuales (.border-[color])
   -------------------------------------------------------------------------- */
/* Bordes completos */
.border-amarillo, .border-amarrillo { --bs-border-color: var(--border-amarillo) !important; border-color: var(--border-amarillo) !important; }
.border-naranja { --bs-border-color: var(--border-naranja) !important; border-color: var(--border-naranja) !important; }
.border-azul    { --bs-border-color: var(--border-azul) !important;    border-color: var(--border-azul) !important; }
.border-verde   { --bs-border-color: var(--border-verde) !important;   border-color: var(--border-verde) !important; }
.border-cian    { --bs-border-color: var(--border-cian) !important;    border-color: var(--border-cian) !important; }
.border-salmon  { --bs-border-color: var(--border-salmon) !important;  border-color: var(--border-salmon) !important; }
.border-mostaza { --bs-border-color: var(--border-mostaza) !important; border-color: var(--border-mostaza) !important; }
.border-lila    { --bs-border-color: var(--border-lila) !important;    border-color: var(--border-lila) !important; }
.border-menta   { --bs-border-color: var(--border-menta) !important;   border-color: var(--border-menta) !important; }
.border-indigo  { --bs-border-color: var(--border-indigo) !important;  border-color: var(--border-indigo) !important; }
.border-purpura { --bs-border-color: var(--border-purpura) !important; border-color: var(--border-purpura) !important; }
.border-rosa    { --bs-border-color: var(--border-rosa) !important;    border-color: var(--border-rosa) !important; }
.border-teal    { --bs-border-color: var(--border-teal) !important;    border-color: var(--border-teal) !important; }
.border-gris    { --bs-border-color: var(--border-gris) !important;    border-color: var(--border-gris) !important; }

/* Bordes por lado específicos */
.border-top-amarillo, .border-top-amarrillo { border-top-color: var(--border-amarillo) !important; }
.border-end-amarillo, .border-end-amarrillo { border-right-color: var(--border-amarillo) !important; }
.border-bottom-amarillo, .border-bottom-amarrillo { border-bottom-color: var(--border-amarillo) !important; }
.border-start-amarillo, .border-start-amarrillo { border-left-color: var(--border-amarillo) !important; }

.border-top-naranja     { border-top-color: var(--border-naranja) !important; }
.border-end-naranja     { border-right-color: var(--border-naranja) !important; }
.border-bottom-naranja  { border-bottom-color: var(--border-naranja) !important; }
.border-start-naranja   { border-left-color: var(--border-naranja) !important; }

.border-top-azul        { border-top-color: var(--border-azul) !important; }
.border-end-azul        { border-right-color: var(--border-azul) !important; }
.border-bottom-azul     { border-bottom-color: var(--border-azul) !important; }
.border-start-azul      { border-left-color: var(--border-azul) !important; }

.border-top-verde       { border-top-color: var(--border-verde) !important; }
.border-end-verde       { border-right-color: var(--border-verde) !important; }
.border-bottom-verde    { border-bottom-color: var(--border-verde) !important; }
.border-start-verde     { border-left-color: var(--border-verde) !important; }

.border-top-cian        { border-top-color: var(--border-cian) !important; }
.border-end-cian        { border-right-color: var(--border-cian) !important; }
.border-bottom-cian     { border-bottom-color: var(--border-cian) !important; }
.border-start-cian      { border-left-color: var(--border-cian) !important; }

.border-top-salmon      { border-top-color: var(--border-salmon) !important; }
.border-end-salmon      { border-right-color: var(--border-salmon) !important; }
.border-bottom-salmon   { border-bottom-color: var(--border-salmon) !important; }
.border-start-salmon    { border-left-color: var(--border-salmon) !important; }

.border-top-mostaza     { border-top-color: var(--border-mostaza) !important; }
.border-end-mostaza     { border-right-color: var(--border-mostaza) !important; }
.border-bottom-mostaza  { border-bottom-color: var(--border-mostaza) !important; }
.border-start-mostaza   { border-left-color: var(--border-mostaza) !important; }

.border-top-lila        { border-top-color: var(--border-lila) !important; }
.border-end-lila        { border-right-color: var(--border-lila) !important; }
.border-bottom-lila     { border-bottom-color: var(--border-lila) !important; }
.border-start-lila      { border-left-color: var(--border-lila) !important; }

.border-top-menta       { border-top-color: var(--border-menta) !important; }
.border-end-menta       { border-right-color: var(--border-menta) !important; }
.border-bottom-menta    { border-bottom-color: var(--border-menta) !important; }
.border-start-menta     { border-left-color: var(--border-menta) !important; }

.border-top-indigo      { border-top-color: var(--border-indigo) !important; }
.border-end-indigo      { border-right-color: var(--border-indigo) !important; }
.border-bottom-indigo   { border-bottom-color: var(--border-indigo) !important; }
.border-start-indigo    { border-left-color: var(--border-indigo) !important; }

.border-top-purpura     { border-top-color: var(--border-purpura) !important; }
.border-end-purpura     { border-right-color: var(--border-purpura) !important; }
.border-bottom-purpura  { border-bottom-color: var(--border-purpura) !important; }
.border-start-purpura   { border-left-color: var(--border-purpura) !important; }

.border-top-rosa        { border-top-color: var(--border-rosa) !important; }
.border-end-rosa        { border-right-color: var(--border-rosa) !important; }
.border-bottom-rosa     { border-bottom-color: var(--border-rosa) !important; }
.border-start-rosa      { border-left-color: var(--border-rosa) !important; }

.border-top-teal        { border-top-color: var(--border-teal) !important; }
.border-end-teal        { border-right-color: var(--border-teal) !important; }
.border-bottom-teal     { border-bottom-color: var(--border-teal) !important; }
.border-start-teal      { border-left-color: var(--border-teal) !important; }

.border-top-gris        { border-top-color: var(--border-gris) !important; }
.border-end-gris        { border-right-color: var(--border-gris) !important; }
.border-bottom-gris     { border-bottom-color: var(--border-gris) !important; }
.border-start-gris      { border-left-color: var(--border-gris) !important; }

/* --------------------------------------------------------------------------
   4. Modificadores Específicos para .bg-dark y .bg-dark-custom con Borde
   -------------------------------------------------------------------------- */
.bg-dark.border-amarillo, .bg-dark-custom.border-amarillo,
.bg-dark.border-amarrillo, .bg-dark-custom.border-amarrillo { 
    --bs-border-color: var(--border-amarillo) !important; 
    border-color: var(--border-amarillo) !important; 
}
.bg-dark.border-naranja, .bg-dark-custom.border-naranja { --bs-border-color: var(--border-naranja) !important; border-color: var(--border-naranja) !important; }
.bg-dark.border-azul,    .bg-dark-custom.border-azul    { --bs-border-color: var(--border-azul) !important;    border-color: var(--border-azul) !important; }
.bg-dark.border-verde,   .bg-dark-custom.border-verde   { --bs-border-color: var(--border-verde) !important;   border-color: var(--border-verde) !important; }
.bg-dark.border-cian,    .bg-dark-custom.border-cian    { --bs-border-color: var(--border-cian) !important;    border-color: var(--border-cian) !important; }
.bg-dark.border-salmon,  .bg-dark-custom.border-salmon  { --bs-border-color: var(--border-salmon) !important;  border-color: var(--border-salmon) !important; }
.bg-dark.border-mostaza, .bg-dark-custom.border-mostaza { --bs-border-color: var(--border-mostaza) !important; border-color: var(--border-mostaza) !important; }
.bg-dark.border-lila,    .bg-dark-custom.border-lila    { --bs-border-color: var(--border-lila) !important;    border-color: var(--border-lila) !important; }
.bg-dark.border-menta,   .bg-dark-custom.border-menta   { --bs-border-color: var(--border-menta) !important;   border-color: var(--border-menta) !important; }
.bg-dark.border-indigo,  .bg-dark-custom.border-indigo  { --bs-border-color: var(--border-indigo) !important;  border-color: var(--border-indigo) !important; }
.bg-dark.border-purpura, .bg-dark-custom.border-purpura { --bs-border-color: var(--border-purpura) !important; border-color: var(--border-purpura) !important; }
.bg-dark.border-rosa,    .bg-dark-custom.border-rosa    { --bs-border-color: var(--border-rosa) !important;    border-color: var(--border-rosa) !important; }
.bg-dark.border-teal,    .bg-dark-custom.border-teal    { --bs-border-color: var(--border-teal) !important;    border-color: var(--border-teal) !important; }
.bg-dark.border-gris,    .bg-dark-custom.border-gris    { --bs-border-color: var(--border-gris) !important;    border-color: var(--border-gris) !important; }

/* --------------------------------------------------------------------------
   5. Clases de Badge Personalizadas y Combinación Nativa
   -------------------------------------------------------------------------- */
.badge-ext {
    background-color: var(--color-card-bg-hover);
    border: 1px solid var(--color-card-border);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    font-weight: 600;
}

/* Badges unificados con fondo suave */
.badge-amarillo, .badge-amarrillo { color: var(--color-amarillo) !important; background-color: var(--bg-soft-amarillo) !important; border: 1px solid var(--border-amarillo) !important; }
.badge-naranja  { color: var(--color-naranja) !important;  background-color: var(--bg-soft-naranja) !important;  border: 1px solid var(--border-naranja) !important; }
.badge-azul     { color: var(--color-azul) !important;     background-color: var(--bg-soft-azul) !important;     border: 1px solid var(--border-azul) !important; }
.badge-verde    { color: var(--color-verde) !important;    background-color: var(--bg-soft-verde) !important;    border: 1px solid var(--border-verde) !important; }
.badge-cian     { color: var(--color-cian) !important;     background-color: var(--bg-soft-cian) !important;     border: 1px solid var(--border-cian) !important; }
.badge-salmon   { color: var(--color-salmon) !important;   background-color: var(--bg-soft-salmon) !important;   border: 1px solid var(--border-salmon) !important; }
.badge-mostaza  { color: var(--color-mostaza) !important;  background-color: var(--bg-soft-mostaza) !important;  border: 1px solid var(--border-mostaza) !important; }
.badge-lila     { color: var(--color-lila) !important;     background-color: var(--bg-soft-lila) !important;     border: 1px solid var(--border-lila) !important; }
.badge-menta    { color: var(--color-menta) !important;    background-color: var(--bg-soft-menta) !important;    border: 1px solid var(--border-menta) !important; }
.badge-indigo   { color: var(--color-indigo) !important;   background-color: var(--bg-soft-indigo) !important;   border: 1px solid var(--border-indigo) !important; }
.badge-purpura  { color: var(--color-purpura) !important;  background-color: var(--bg-soft-purpura) !important;  border: 1px solid var(--border-purpura) !important; }
.badge-rosa     { color: var(--color-rosa) !important;     background-color: var(--bg-soft-rosa) !important;     border: 1px solid var(--border-rosa) !important; }
.badge-teal     { color: var(--color-teal) !important;     background-color: var(--bg-soft-teal) !important;     border: 1px solid var(--border-teal) !important; }
.badge-gris     { color: var(--color-gris) !important;     background-color: var(--bg-soft-gris) !important;     border: 1px solid var(--border-gris) !important; }

/* Overrides para Badges nativos (<span class="badge bg-dark border border-[color]">) */
.badge.border-amarillo, .badge.border-amarrillo { --bs-border-color: var(--border-amarillo) !important; border-color: var(--border-amarillo) !important; }
.badge.border-naranja { --bs-border-color: var(--border-naranja) !important; border-color: var(--border-naranja) !important; }
.badge.border-azul    { --bs-border-color: var(--border-azul) !important;    border-color: var(--border-azul) !important; }
.badge.border-verde   { --bs-border-color: var(--border-verde) !important;   border-color: var(--border-verde) !important; }
.badge.border-cian    { --bs-border-color: var(--border-cian) !important;    border-color: var(--border-cian) !important; }
.badge.border-salmon  { --bs-border-color: var(--border-salmon) !important;  border-color: var(--border-salmon) !important; }
.badge.border-mostaza { --bs-border-color: var(--border-mostaza) !important; border-color: var(--border-mostaza) !important; }
.badge.border-lila    { --bs-border-color: var(--border-lila) !important;    border-color: var(--border-lila) !important; }
.badge.border-menta   { --bs-border-color: var(--border-menta) !important;   border-color: var(--border-menta) !important; }
.badge.border-indigo  { --bs-border-color: var(--border-indigo) !important;  border-color: var(--border-indigo) !important; }
.badge.border-purpura { --bs-border-color: var(--border-purpura) !important; border-color: var(--border-purpura) !important; }
.badge.border-rosa    { --bs-border-color: var(--border-rosa) !important;    border-color: var(--border-rosa) !important; }
.badge.border-teal    { --bs-border-color: var(--border-teal) !important;    border-color: var(--border-teal) !important; }
.badge.border-gris    { --bs-border-color: var(--border-gris) !important;    border-color: var(--border-gris) !important; }

/* --------------------------------------------------------------------------
   6. Cajas Renderizadoras de Matemáticas (Math Preview Boxes)
   -------------------------------------------------------------------------- */
.math-preview-box-ext {
    background: #000000;
    border: 1px solid var(--color-card-border);
    border-radius: 8px;
    padding: 1rem;
    min-height: 80px;
    color: var(--color-text-main);
}

.math-preview-box-amarillo, .math-preview-box-amarrillo { border: 1px solid var(--border-amarillo) !important; }
.math-preview-box-naranja  { border: 1px solid var(--border-naranja) !important; }
.math-preview-box-azul     { border: 1px solid var(--border-azul) !important; }
.math-preview-box-verde    { border: 1px solid var(--border-verde) !important; }
.math-preview-box-cian     { border: 1px solid var(--border-cian) !important; }
.math-preview-box-salmon   { border: 1px solid var(--border-salmon) !important; }
.math-preview-box-mostaza  { border: 1px solid var(--border-mostaza) !important; }
.math-preview-box-lila     { border: 1px solid var(--border-lila) !important; }
.math-preview-box-menta    { border: 1px solid var(--border-menta) !important; }
.math-preview-box-indigo   { border: 1px solid var(--border-indigo) !important; }
.math-preview-box-purpura  { border: 1px solid var(--border-purpura) !important; }
.math-preview-box-rosa     { border: 1px solid var(--border-rosa) !important; }
.math-preview-box-teal     { border: 1px solid var(--border-teal) !important; }
.math-preview-box-gris     { border: 1px solid var(--border-gris) !important; }

/* ==========================================================================
   18. FIX GLOBAL: SWEETALERT2 DARK PREMIUM & GLOW ICONS
   ========================================================================== */
/* Desenfoque forzado para el fondo de las alertas */
.swal2-popup.bg-dark-custom {
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
}

/* Fix Inputs dentro de SweetAlert para coincidir con la UI y validación estricta */
.swal2-input, .swal2-file, .swal2-textarea, .swal2-select, .swal2-radio, .swal2-checkbox {
    border-color: var(--color-card-border) !important;
    color: var(--color-text-main) !important;
    background-color: rgba(15, 15, 20, 0.8) !important;
}

.swal2-input:focus, .swal2-file:focus, .swal2-textarea:focus, .swal2-select:focus {
    border-color: var(--color-primary) !important;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05), 0 0 0 0.25rem var(--color-primary-glow) !important;
}

/* Fix Icono: Success */
.swal2-icon.swal2-success {
    border-color: var(--color-success) !important;
    color: var(--color-success) !important;
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.2) !important;
}
.swal2-icon.swal2-success [class^=swal2-success-line] {
    background-color: var(--color-success) !important;
}
.swal2-icon.swal2-success .swal2-success-ring {
    border-color: rgba(16, 185, 129, 0.3) !important;
}

/* Fix Icono: Warning */
.swal2-icon.swal2-warning {
    border-color: var(--color-warning) !important;
    color: var(--color-warning) !important;
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.2) !important;
}

/* Fix Icono: Error */
.swal2-icon.swal2-error {
    border-color: var(--color-danger) !important;
    color: var(--color-danger) !important;
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.2) !important;
}
.swal2-icon.swal2-error [class^=swal2-x-mark-line] {
    background-color: var(--color-danger) !important;
}

/* Fix Icono: Info / Question */
.swal2-icon.swal2-info, .swal2-icon.swal2-question {
    border-color: var(--color-primary) !important;
    color: var(--color-primary) !important;
    box-shadow: 0 0 15px var(--color-primary-glow) !important;
}

/* Barra de progreso de los Toasts */
.swal2-timer-progress-bar-custom {
    background: var(--color-primary) !important;
    box-shadow: 0 0 10px var(--color-primary-glow) !important;
}

/* ==========================================================================
   19. ESTANDARIZACIÓN VISUAL SELECT2 (HEREDA DE SELECTS NATIVOS)
   HOMOLOGACIÓN: Select2 usa los mismos colores que select.form-select nativo
   ========================================================================== */

/* 1. Contenedor principal y campo base - Hereda de .form-select nativo */
.select2-container--default .select2-selection--single {
    background-color: var(--bs-body-bg, #212529) !important;
    border: 1px solid var(--bs-border-color, #495057) !important;
    border-radius: 0.375rem !important;
    min-height: calc(1.5em + 0.75rem + 2px) !important;
    color: #ffffff !important;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out !important;
    padding: 0.375rem 2.25rem 0.375rem 0.75rem !important;
    display: flex !important;
    align-items: center !important;
    
    /* Misma flecha SVG que usa select.form-select nativo */
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%238e8e9e' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e") !important;
    background-repeat: no-repeat !important;
    background-position: right 0.75rem center !important;
    background-size: 16px 12px !important;
}

/* 2. Ajuste cuando hay ícono a la izquierda (mismo que select nativo) */
select.input-with-icon-left + .select2-container--default .select2-selection--single,
.input-wrapper:has(.input-icon-left) .select2-container--default .select2-selection--single {
    padding-left: 2.5rem !important;
}

/* 3. Texto renderizado dentro del Select2 */
.select2-container--default .select2-selection--single .select2-selection__rendered {
    color: #ffffff !important;
    font-weight: 500 !important;
    line-height: 1.5 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    width: 100%;
    
    /* FIX: Truncado elegante de textos largos para evitar sobreposición */
    display: block !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
}

/* 4. Ocultamos la flecha nativa de Select2 (usamos la nuestra) */
.select2-container--default .select2-selection--single .select2-selection__arrow {
    display: none !important;
}

/* 5. Estado Hover y Focus (mismo efecto que select nativo) */
.select2-container--default.select2-container--focus .select2-selection--single,
.select2-container--open .select2-selection--single {
    border-color: var(--color-primary) !important;
    background-color: var(--bs-body-bg, #212529) !important;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05), 0 0 0 0.25rem var(--color-primary-glow, rgba(59, 130, 246, 0.25)) !important;
    outline: 0 !important;
}

/* 6. Menú desplegable (Dropdown) - Mismo fondo oscuro consistente */
.select2-dropdown {
    background-color: var(--bs-body-bg, #212529) !important;
    border: 1px solid var(--bs-border-color, #495057) !important;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.6) !important;
    border-radius: 0.375rem !important;
    overflow: hidden;
    z-index: 1060 !important;
}

/* 7. Caja de búsqueda superior en el dropdown */
.select2-search--dropdown {
    padding: 0.5rem !important;
    background-color: var(--bs-body-bg, #212529) !important;
    border-bottom: 1px solid var(--bs-border-color, #495057) !important;
}

.select2-search--dropdown .select2-search__field {
    background-color: rgba(0, 0, 0, 0.2) !important;
    border: 1px solid var(--bs-border-color, #495057) !important;
    color: var(--color-text-main) !important;
    border-radius: 0.25rem !important;
    padding: 0.375rem 0.75rem !important;
}

.select2-search--dropdown .select2-search__field:focus {
    border-color: var(--color-primary) !important;
    box-shadow: 0 0 0 0.2rem var(--color-primary-glow) !important;
    outline: 0 !important;
}

/* 8. Opciones del dropdown - Mismos colores que <option> nativo */
.select2-container--default .select2-results__option {
    background-color: transparent !important;
    color: var(--color-text-main) !important;
    padding: 8px 12px !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02) !important;
    transition: background-color 0.1s ease, color 0.1s ease !important;
    
    /* FIX: Permitir salto de línea en opciones extremadamente largas dentro del menú */
    word-wrap: break-word !important;
    white-space: normal !important;
}

/* Opción seleccionada (mismo estilo que option:checked nativo) */
.select2-container--default .select2-results__option[aria-selected="true"],
.select2-container--default .select2-results__option--selected {
    background: linear-gradient(0deg, rgba(96, 165, 250, 0.4), rgba(96, 165, 250, 0.4)) !important;
    background-color: rgba(96, 165, 250, 0.4) !important;
    color: #ffffff !important;
    font-weight: 700 !important;
}

/* Hover sobre opción (mismo estilo que option:hover nativo) */
.select2-container--default .select2-results__option--highlighted[aria-selected] {
    background: linear-gradient(0deg, var(--color-primary), var(--color-primary)) !important;
    background-color: var(--color-primary) !important;
    color: #ffffff !important;
}

/* 9. Estado Deshabilitado (mismo que select nativo :disabled) */
.select2-container--default.select2-container--disabled .select2-selection--single {
    background-color: rgba(255, 255, 255, 0.05) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    cursor: not-allowed !important;
}

.select2-container--default.select2-container--disabled .select2-selection__rendered {
    color: var(--color-text-muted) !important;
}

/* 10. VALIDACIÓN POKA-YOKE (is-invalid / is-valid) - Select2 */
select.is-invalid + .select2-container--default .select2-selection--single {
    border-color: var(--color-danger) !important;
    background-color: rgba(239, 68, 68, 0.05) !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e") !important;
    background-repeat: no-repeat !important;
    background-position: right 2.25rem center !important;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem) !important;
}

select.is-invalid + .select2-container--default.select2-container--open .select2-selection--single {
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05), 0 0 0 0.25rem rgba(239, 68, 68, 0.25) !important;
}

select.is-valid + .select2-container--default .select2-selection--single {
    border-color: var(--color-success) !important;
    background-color: rgba(16, 185, 129, 0.05) !important;
}

select.is-valid + .select2-container--default.select2-container--open .select2-selection--single {
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05), 0 0 0 0.25rem rgba(16, 185, 129, 0.25) !important;
}

/* ==========================================================================
   20. INTEGRACIÓN POKA-YOKE (VALIDACIÓN EN TIEMPO REAL miclase-ui.js)
   ========================================================================== */

/* Cuando la validación es negativa (.is-invalid), se simulan las clases nativas rojas y su fondo */
select.is-invalid + .select2-container--default .select2-selection--single {
    border-color: var(--color-danger) !important;
    background-color: rgba(239, 68, 68, 0.05) !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e") !important;
    background-repeat: no-repeat !important;
    background-position: right 2.25rem center !important;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem) !important;
}

select.is-invalid + .select2-container--default.select2-container--open .select2-selection--single {
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05), 0 0 0 0.25rem rgba(239, 68, 68, 0.25) !important;
}

/* ESTANDARIZACIÓN POKA-YOKE: SELECT NATIVO (is-invalid / is-valid) */
/* Estado Inválido para Selects Nativos */
select.form-select.is-invalid, 
select.form-control.is-invalid {
    border-color: var(--color-danger) !important;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05), 0 0 0 0.25rem rgba(239, 68, 68, 0.25) !important;
    background-color: rgba(239, 68, 68, 0.05) !important;
}

/* El tooltip SOLO se muestra cuando el select u otro control contiene explícitamente la clase .is-invalid */
select.form-select.is-invalid ~ .invalid-tooltip,
select.form-control.is-invalid ~ .invalid-tooltip,
.input-wrapper:has(select.is-invalid) > .invalid-tooltip,
.input-wrapper:has(.form-control.is-invalid) > .invalid-tooltip,
.input-wrapper:has(.form-select.is-invalid) > .invalid-tooltip {
    display: block !important;
}

/* Ocultar cualquier tooltip por defecto si el elemento no es inválido o no ha sido tocado */
select:not(.is-invalid) ~ .invalid-tooltip,
.input-wrapper:has(select:not(.is-invalid)) > .invalid-tooltip {
    display: none !important;
}

/* Estado Válido para Selects Nativos */
select.form-select.is-valid, 
select.form-control.is-valid {
    border-color: var(--color-success) !important;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05), 0 0 0 0.25rem rgba(16, 185, 129, 0.25) !important;
    background-color: rgba(16, 185, 129, 0.05) !important;
}

/* ==========================================================================
   21. ESTANDARIZACIÓN NATIVA DE LISTAS SELECT (Option Tags del Formulario)
   ========================================================================== */
select.form-control, select.form-select {
    background-color: var(--bs-body-bg, #212529) !important; 
    border: 1px solid var(--bs-border-color, #495057) !important; 
    color: #ffffff !important; 
    font-weight: 500 !important;
}

select.form-control:focus, select.form-select:focus {
    background-color: var(--bs-body-bg, #212529) !important;
    border-color: var(--color-primary) !important;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05), 0 0 0 0.25rem var(--color-primary-glow) !important;
    outline: 0 !important;
}

select option {
    background-color: var(--bs-body-bg, #212529) !important;
    color: var(--color-text-main) !important;
}

/* Homologado con el estado "Seleccionado en reposo" del Select2 */
select option:checked {
    background-color: rgba(96, 165, 250, 0.4) !important;
    color: #ffffff !important; 
    font-weight: 700 !important;
}

select option:hover,
select option:focus,
select option:active {
    background-color: var(--color-primary) !important;
    color: #ffffff !important;
}

/* ==========================================================================
   22 SCROLL ARQUITECTÓNICO Y TOOLTIPS OVERLAY
   ========================================================================== */

/* 1. Convertir el modal-content en el contenedor maestro de scroll */
.modal-dialog-centered .modal-content,
.modal-dialog-scrollable .modal-content {
    max-height: 90vh; /* Límite elegante relativo al viewport */
    overflow-y: auto !important;
    overflow-x: hidden !important;
}

/* 2. Fijar Cabecera y Pie con efecto Glassmorphism nativo */
.modal-header {
    position: sticky !important;
    top: 0;
    z-index: 1050 !important;
}

.modal-footer {
    position: sticky !important;
    bottom: -1px; /* Hack para evitar render glitch de 1px en algunos navegadores */
    z-index: 1040 !important;
}

/* 3. Liberar completamente el body para que los tooltips escapen sin ser cortados */
.modal-body,
.modal-body .tab-content,
.modal-body > form > .row {
    overflow: visible !important;
    max-height: none !important; /* Desactiva los recortes anteriores */
}

/* 4. Respetar los gutters nativos de Bootstrap en las cuadrículas */
.modal-body > form > .row {
    padding-right: 0 !important;
    margin-left: -12px !important;
    margin-right: -12px !important;
}

/* 5. Elevar drásticamente los Tooltips para que flotan sobre el Footer Sticky */
.warning-tooltip,
.invalid-tooltip {
    z-index: 1060 !important; /* Mayor que los 1040 del footer */
}

/* 6. Mudar y unificar la barra de scroll (Tema Premium OLED) al modal-content */
.modal-content::-webkit-scrollbar {
    width: 6px;
}
.modal-content::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.25);
    border-radius: 10px;
}
.modal-content::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    border: 1px solid transparent;
    transition: background 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s ease;
}
.modal-content::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary, #3b82f6);
    box-shadow: 0 0 10px var(--color-primary-glow, rgba(59, 130, 246, 0.5));
}

/* Ajuste responsivo para el comportamiento fullscreen en móviles */
@media (max-width: 767.98px) {
    .modal-fullscreen-md-down .modal-content {
        max-height: 100vh;
        border-radius: 0 !important;
    }
}

/* ==========================================================================
   23. FOCO Y RESALTADO AUTOMÁTICO DE REGISTROS EN DATATABLES (UX Post-Guardado)
   ========================================================================== */
:root {
    --color-row-highlight: rgb(59, 139, 246);
    --color-row-highlight-soft: rgba(59, 139, 246, 0.22);
}

/* Fila identificada como recién creada/editada al cerrar el modal de guardado.
   Parpadeo total ~7s (1.4s x 5 ciclos), replicando el tono del :hover nativo. */
tr.mc-row-highlight > td {
    animation: mcRowFlash 1.4s ease-in-out 0s 5 !important;
}

/* Acento lateral adicional sobre la primera celda para reforzar la identificación */
tr.mc-row-highlight > td:first-child {
    animation:
        mcRowFlash 1.4s ease-in-out 0s 5 !important,
        mcRowEdgeFlash 1.4s ease-in-out 0s 5 !important;
}

tr.mc-row-highlight {
    scroll-margin-top: 120px; /* Compensa headers fijos/sticky al hacer scrollIntoView */
}

/* Estado de foco programático (tabindex="-1" asignado vía JS) */
tr.mc-row-highlight:focus {
    outline: 2px solid var(--color-row-highlight);
    outline-offset: -2px;
}

@keyframes mcRowFlash {
    0%, 100% { background-color: transparent; }
    50%      { background-color: var(--color-row-highlight-soft); }
}

@keyframes mcRowEdgeFlash {
    0%, 100% { box-shadow: inset 3px 0 0 0 transparent; }
    50%      { box-shadow: inset 3px 0 0 0 var(--color-row-highlight); }
}

/* Accesibilidad: respeta preferencia de movimiento reducido del usuario */
@media (prefers-reduced-motion: reduce) {
    tr.mc-row-highlight > td,
    tr.mc-row-highlight > td:first-child {
        animation: none !important;
        background-color: var(--color-row-highlight-soft) !important;
    }
}

/* ==========================================================================
   24. COLORES PARA ENTORNO DE EVALUACIONES (ESTÁNDAR PROD / CSS VARS)
   ========================================================================== */
:root {
    /* Variables de Color Base */
    --color-eval-amarillo: #FEEA89;
    --color-eval-naranja:  #FBC58B;
    --color-eval-azul:     #58AFCD;
    --color-eval-verde:    #B4D68A;
    --color-eval-cian:     #00E5FF;
    --color-eval-salmon:   #FF6B6B;
    --color-eval-mostaza:  #FFD166;
    --color-eval-lila:     #A29BFE;
    --color-eval-menta:    #2ED573;

    /* Alpha / Borders Derivados (Opacidad 30% estandarizada) */
    --border-eval-amarillo: rgba(254, 234, 137, 0.3);
    --border-eval-naranja:  rgba(251, 197, 139, 0.3);
    --border-eval-azul:     rgba(88, 175, 205, 0.3);
    --border-eval-verde:    rgba(180, 214, 138, 0.3);
    --border-eval-cian:     rgba(0, 229, 255, 0.3);
    --border-eval-salmon:   rgba(255, 107, 107, 0.3);
    --border-eval-mostaza:  rgba(255, 209, 102, 0.3);
    --border-eval-lila:     rgba(162, 155, 254, 0.3);
    --border-eval-menta:    rgba(46, 213, 115, 0.3);
}

.badge-eval {
    background-color: var(--color-card-bg-hover);
    border: 1px solid var(--color-card-border);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    font-weight: 600;
}

/* Badges dinámicos para Asignaturas / Evaluaciones */
.badge-eval-amarillo { color: var(--color-eval-amarillo); border: 1px solid var(--border-eval-amarillo); }
.badge-eval-naranja  { color: var(--color-eval-naranja);  border: 1px solid var(--border-eval-naranja); }
.badge-eval-azul     { color: var(--color-eval-azul);     border: 1px solid var(--border-eval-azul); }
.badge-eval-verde    { color: var(--color-eval-verde);    border: 1px solid var(--border-eval-verde); }
.badge-eval-cian     { color: var(--color-eval-cian);     border: 1px solid var(--border-eval-cian); }
.badge-eval-salmon   { color: var(--color-eval-salmon);   border: 1px solid var(--border-eval-salmon); }
.badge-eval-mostaza  { color: var(--color-eval-mostaza);  border: 1px solid var(--border-eval-mostaza); }
.badge-eval-lila     { color: var(--color-eval-lila);     border: 1px solid var(--border-eval-lila); }
.badge-eval-menta    { color: var(--color-eval-menta);    border: 1px solid var(--border-eval-menta); }

/* Clases de Utilidad Reutilizables de Borde */
.border-eval-amarillo { border: 1px solid var(--border-eval-amarillo) !important; }
.border-eval-naranja  { border: 1px solid var(--border-eval-naranja) !important; }
.border-eval-azul     { border: 1px solid var(--border-eval-azul) !important; }
.border-eval-verde    { border: 1px solid var(--border-eval-verde) !important; }
.border-eval-cian     { border: 1px solid var(--border-eval-cian) !important; }
.border-eval-salmon   { border: 1px solid var(--border-eval-salmon) !important; }
.border-eval-mostaza  { border: 1px solid var(--border-eval-mostaza) !important; }
.border-eval-lila     { border: 1px solid var(--border-eval-lila) !important; }
.border-eval-menta    { border: 1px solid var(--border-eval-menta) !important; }

.math-preview-box {
    background: #000000;
    border: 1px solid var(--color-card-border);
    border-radius: 8px;
    padding: 1rem;
    min-height: 80px;
    color: var(--color-text-main);
}

/* ==========================================================================
   25. FIX GLOBAL: PROPORCIÓN RÍGIDA 50%/50% Y ALTURA FIJA EN MICLASE-EDITOR (SPLIT MODE)
   ========================================================================== */
.miclase-editor-container, 
.md-editor-split-container,
.md-editor-container {
    display: flex !important;
    flex-direction: row !important;
    width: 100% !important;
    height: 380px !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
}

.miclase-editor-container .editor-pane,
.miclase-editor-container .preview-pane,
.md-editor-split-container > div,
.md-editor-container > div {
    flex: 0 0 50% !important;
    width: 50% !important;
    max-width: 50% !important;
    min-width: 50% !important;
    height: 100% !important;
    box-sizing: border-box !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
}

.md-editor-textarea,
.miclase-editor-container textarea {
    font-family: 'Fira Code', 'Courier New', monospace !important;
    font-size: 0.85rem !important;
    background-color: #0d1117 !important;
    color: #c9d1d9 !important;
    border: 1px solid #30363d !important;
    resize: none !important;
    height: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 0.75rem !important;
}

.preview-glass-box,
.miclase-editor-container .preview-pane {
    background: rgba(13, 17, 23, 0.6) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    border-radius: 0.5rem !important;
    height: 100% !important;
    max-width: 100% !important;
    overflow-x: auto !important;
    overflow-y: auto !important;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
    white-space: normal !important;
    box-sizing: border-box !important;
    padding: 0.75rem !important;
}

.preview-glass-box img, 
.preview-glass-box table {
    max-width: 100% !important;
    height: auto !important;
}

.preview-glass-box .MathJax_Display, 
.preview-glass-box .MathJax {
    max-width: 100% !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
}

/* ==========================================================================
   26. REDISEÑO ULTRA-PREMIUM DE PESTAÑAS Y MODALES (Nav-Pills a Botones Elegantes)
   ========================================================================== */

/* Contenedor Flotante Glassmorphic para Pestañas */
.modal-body .nav-pills,
.modal-body .nav-tabs {
    display: flex !important;
    flex-wrap: wrap !important; /* Poka-yoke: fuerza el apilamiento responsivo */
    gap: 0.5rem !important;
    background: rgba(10, 10, 14, 0.65) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    padding: 0.5rem !important;
    border-radius: 12px !important;
    border: 1px solid var(--color-card-border) !important;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.4), 0 4px 15px rgba(0, 0, 0, 0.2) !important;
    margin-bottom: 1.25rem !important;
    overflow: visible !important; /* Evita barras de scroll horizontales */
}

/* Anulación de márgenes por defecto de Bootstrap nav-item */
.modal-body .nav-pills .nav-item,
.modal-body .nav-tabs .nav-item {
    margin: 0 !important;
    flex: 1 1 auto; /* Permite expansión adaptativa equilibrada */
    min-width: fit-content;
}

/* Transformación de enlace/pastilla a Botón Ultra-Premium Elegante */
.modal-body .nav-pills .nav-link,
.modal-body .nav-tabs .nav-link {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.5rem !important;
    width: 100% !important;
    padding: 0.55rem 1.1rem !important;
    font-size: 0.875rem !important;
    font-weight: 600 !important;
    color: var(--color-text-muted) !important;
    background-color: rgba(255, 255, 255, 0.03) !important;
    border: 1px solid var(--color-card-border) !important;
    border-radius: 8px !important; /* Bordes ligeramente redondeados, aspecto botón */
    backdrop-filter: blur(8px) !important;
    -webkit-backdrop-filter: blur(8px) !important;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
    cursor: pointer !important;
    white-space: nowrap !important;
}

/* Iconos integrados dentro de la pestaña */
.modal-body .nav-pills .nav-link i,
.modal-body .nav-tabs .nav-link i,
.modal-body .nav-pills .nav-link span[class^="bi-"],
.modal-body .nav-tabs .nav-link span[class^="bi-"] {
    font-size: 1rem !important;
    transition: transform 0.25s ease, color 0.25s ease !important;
}

/* Microinteracción: Hover en Pestaña Inactiva */
.modal-body .nav-pills .nav-link:hover,
.modal-body .nav-tabs .nav-link:hover {
    color: var(--color-text-main) !important;
    background-color: var(--color-card-bg-hover) !important;
    border-color: rgba(255, 255, 255, 0.15) !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3) !important;
}

.modal-body .nav-pills .nav-link:hover i,
.modal-body .nav-tabs .nav-link:hover i {
    color: var(--color-primary-hover) !important;
    transform: scale(1.1) !important;
}

/* Estado Activo: Resplandor Glow & High-Contrast Glass Accent */
.modal-body .nav-pills .nav-link.active,
.modal-body .nav-tabs .nav-link.active {
    color: #ffffff !important;
    background: linear-gradient(135deg, var(--color-primary) 0%, #2563eb 100%) !important;
    border-color: rgba(255, 255, 255, 0.3) !important;
    box-shadow: 0 0 16px var(--color-primary-glow), 0 4px 12px rgba(0, 0, 0, 0.4) !important;
    transform: translateY(-1px) !important;
}

.modal-body .nav-pills .nav-link.active i,
.modal-body .nav-tabs .nav-link.active i {
    color: #ffffff !important;
    filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.8)) !important;
}

/* Optimización para dispositivos con pantallas extremadamente pequeñas (Mobile-First) */
@media (max-width: 575.98px) {
    .modal-body .nav-pills .nav-item,
    .modal-body .nav-tabs .nav-item {
        flex: 1 1 100% !important; /* Cada botón toma una fila completa ordenadamente */
    }

    .modal-body .nav-pills .nav-link,
    .modal-body .nav-tabs .nav-link {
        justify-content: flex-start !important;
        padding: 0.65rem 1rem !important;
    }
}

/* ==========================================================================
   27. ENCABEZADO DATATABLE RESPONSIVO (OPTIMIZACIÓN DE CONTENEDORES)
   ========================================================================== */

/* Apilamiento vertical Mobile-First para pantallas pequeñas (<576px) */
@media (max-width: 575.98px) {
    .card-header.responsive-datatable-header {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 0.75rem !important;
    }

    /* En móvil, los botones pasan al principio (order: 1) y se expanden horizontalmente */
    .card-header.responsive-datatable-header .header-actions-wrapper {
        order: 1 !important;
        width: 100% !important;
        margin-left: 0 !important;
        display: flex !important;
        flex-direction: column !important;
        gap: 0.5rem !important;
    }

    .card-header.responsive-datatable-header .header-actions-wrapper .btn {
        width: 100% !important;
        justify-content: center !important;
    }

    /* El título y el botón de despliegue pasan al final (order: 2) */
    .card-header.responsive-datatable-header .header-title-wrapper {
        order: 2 !important;
        width: 100% !important;
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
    }
}

/* Comportamiento alineado en pantallas superiores (≥576px) */
@media (min-width: 576px) {
    .card-header.responsive-datatable-header .header-actions-wrapper .btn {
        width: auto !important; /* Mantiene su tamaño natural y no se expande */
    }
}

/* ==========================================================================
   28. FIX PRODUCCIÓN: ENUNCIADO MARKDOWN TEMA CLARO/OSCURO (GLASSMORPHISM)
   ========================================================================== */
.reactivo-enunciado-wrapper {
    background-color: var(--color-theme-panel) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-card-border) !important;
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.reactivo-enunciado-wrapper:hover {
    border-color: var(--color-eval-azul) !important;
}

/* Blindaje contra estilos hardcodeados de librerías Markdown externas */
.reactivo-enunciado.markdown-body {
    background: transparent !important;
    color: var(--color-text-main) !important;
    transition: color 0.3s ease;
}

/* Forzar herencia de color en todos los nodos de texto internos */
.reactivo-enunciado.markdown-body p, 
.reactivo-enunciado.markdown-body span, 
.reactivo-enunciado.markdown-body h1, 
.reactivo-enunciado.markdown-body h2, 
.reactivo-enunciado.markdown-body h3, 
.reactivo-enunciado.markdown-body h4, 
.reactivo-enunciado.markdown-body h5, 
.reactivo-enunciado.markdown-body h6,
.reactivo-enunciado.markdown-body li,
.reactivo-enunciado.markdown-body strong,
.reactivo-enunciado.markdown-body em,
.reactivo-enunciado.markdown-body b,
.reactivo-enunciado.markdown-body i {
    color: var(--color-text-main) !important;
    transition: color 0.3s ease;
}

/* Adaptación de bloques de código y etiquetas preformateadas */
.reactivo-enunciado.markdown-body pre, 
.reactivo-enunciado.markdown-body code {
    background-color: var(--color-theme-soft) !important;
    color: var(--color-text-main) !important;
    border: 1px solid var(--color-card-border) !important;
    border-radius: 6px;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Adaptación de tablas renderizadas desde Markdown */
.reactivo-enunciado.markdown-body table th,
.reactivo-enunciado.markdown-body table td {
    border-color: var(--color-card-border) !important;
    color: var(--color-text-main) !important;
}

.reactivo-enunciado.markdown-body table th {
    background-color: var(--color-theme-soft) !important;
}