@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ==========================================================================
   Ecosistema Adaptativo (Light Glassmorphism)
   ========================================================================== */
:root {
    --bs-body-font-family: 'Inter', system-ui, -apple-system, sans-serif;

    /* Paleta Base Estricta (Clara) */
    --light-bg: #f8fafc;
    /* Slate 50 */
    --panel-glass: rgba(255, 255, 255, 0.7);
    /* Vidrio esmerilado blanco */
    --panel-border: rgba(200, 210, 220, 0.6);
    /* Borde sutil gris claro (visible en fondos claros) */

    /* Acentos Tech / Vanguardia */
    --neon-cyan: #0ea5e9;
    /* Sky 500 (más visible en claro) */
    --neon-violet: #8b5cf6;
    /* Violet 500 */
    --gradient-tech: linear-gradient(135deg, var(--neon-violet) 0%, var(--neon-cyan) 100%);
    --gradient-tech-hover: linear-gradient(135deg, #7c3aed 0%, #0284c7 100%);

    /* Textos (Accesibilidad en Light-Mode) */
    --text-primary: #1e293b;
    /* Slate 800 (Oscuro) */
    --text-muted: #64748b;
    /* Slate 500 */
}

body {
    background-color: var(--light-bg) !important;
    color: var(--text-primary) !important;
    font-family: var(--bs-body-font-family) !important;
    -webkit-font-smoothing: antialiased;
    /* Extra: un gradiente de fondo ultra-sutil radial para profundidad */
    background-image: radial-gradient(circle at 15% 50%, rgba(142, 45, 226, 0.04), transparent 30%),
        radial-gradient(circle at 85% 30%, rgba(0, 242, 254, 0.04), transparent 30%) !important;
    background-attachment: fixed;
}

/* Tipografía de Encabezados y Navbar Brand */
h1,
h2,
h3,
h4,
h5,
h6,
.navbar-brand {
    color: #0f172a !important;
    /* Slate 900 (Titulos fuertes) */
}

p,
label,
span:not(.badge),
div:not(.toast):not(.toast-body):not(.card-header):not(.bg-dark):not(.bg-success):not(.bg-danger):not(.bg-warning):not(.bg-info):not(.bg-primary):not([class*="text-bg-"]),
li,
td,
th,
a:not(.btn):not(.dropdown-item),
.form-check-label,
.col-form-label {
    color: var(--text-primary);
}

/* Preservar texto blanco en elementos con fondo oscuro de Bootstrap */
.bg-dark,
.bg-dark *,
.text-bg-success,
.text-bg-success *,
.text-bg-danger,
.text-bg-danger *,
.text-bg-warning,
.text-bg-warning *,
.text-bg-info,
.text-bg-info *,
.text-bg-primary,
.text-bg-primary *,
.toast,
.toast *,
.toast .toast-body,
.toast .toast-body * {
    color: #ffffff !important;
}

/* Forzar fondo sólido (no transparente) en toasts de warning */
.text-bg-warning {
    background-color: #d97706 !important;
}

/* Forzar que los enlaces genéricos tengan un color tech si no son botones */
a:not(.btn) {
    color: var(--neon-cyan);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:not(.btn):hover {
    color: var(--neon-violet);
    text-shadow: 0 0 8px rgba(142, 45, 226, 0.4);
}

.text-muted,
.small,
small {
    color: var(--text-muted) !important;
}

/* Iconos de FontAwesome */
i.fas,
i.far,
i.fab {
    color: inherit;
}

/* ==========================================================================
   Componentes Glassmorphism (Tarjetas, Paneles, Modales)
   ========================================================================== */
.card,
.glass-panel,
.modal-content,
.login-container,
.consent-container,
.scrollable-terms {
    background: var(--panel-glass) !important;
    backdrop-filter: blur(20px) !important;
    /* El desenfoque clave */
    -webkit-backdrop-filter: blur(20px) !important;
    border: 1px solid var(--panel-border) !important;
    border-radius: 16px !important;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4) !important;
    /* Sensación de profundidad flotante */
    color: var(--text-primary) !important;
    transition: transform 0.3s ease, border-color 0.3s ease !important;
}

/* Iluminación sutil al pasar ratón sobre tarjetas/contenedores */
.card:hover,
.glass-panel:hover {
    border-color: rgba(0, 242, 254, 0.3) !important;
}

/* ==========================================================================
   Controles de Formulario, Entradas y Tablas
   ========================================================================== */
.form-control,
.form-select,
.form-check-input {
    background-color: #ffffff !important;
    border: 1.5px solid #64748b !important;
    color: var(--text-primary) !important;
    border-radius: 8px !important;
    transition: all 0.3s ease !important;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.06) !important;
}

.form-control,
.form-select {
    padding: 12px 15px;
    /* Quitado el !important para permitir overrides de utilidades y -sm */
}

/* Soporte para controles pequeños sin clipping */
.form-control-sm,
.form-select-sm {
    padding: 0.25rem 0.5rem !important;
    font-size: 0.875rem !important;
    height: auto !important;
}

.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    background-color: #ffffff !important;
    border-color: var(--neon-cyan) !important;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.25), inset 0 1px 2px rgba(0, 0, 0, 0.06) !important;
    color: var(--text-primary) !important;
}

/* Fix Accesibilidad: Que los checkboxes seleccionados resalten claramente */
.form-check-input:checked {
    background-color: var(--neon-cyan) !important;
    border-color: var(--neon-cyan) !important;
}

/* Modificadores estandarizados para validación html (disabled/readonly) */
.form-control:disabled,
.form-control[readonly],
.form-select:disabled {
    background-color: rgba(0, 0, 0, 0.2) !important;
    color: var(--text-muted) !important;
    opacity: 1;
}

/* Labels de formularios, textos de ayuda y textos dentro del input */
.form-control::placeholder {
    color: #64748b !important;
}

/* Tablas (Syllabus Manager Index y Admin Panels) */
.table {
    --bs-table-color: var(--text-primary) !important;
    --bs-table-bg: transparent !important;
    --bs-table-border-color: var(--panel-border) !important;
    color: var(--text-primary) !important;
    background-color: transparent !important;
}

.table-light,
.table-dark {
    --bs-table-color: var(--text-primary) !important;
    --bs-table-bg: rgba(255, 255, 255, 0.05) !important;
    --bs-table-striped-color: var(--text-primary) !important;
    background-color: rgba(255, 255, 255, 0.05) !important;
    color: var(--text-primary) !important;
}

/* Redefinición exhaustiva para asegurar que td y th no traigan color de su propio scope CSS */
.table> :not(caption)>*>* {
    color: var(--text-primary) !important;
    border-bottom: 1px solid var(--panel-border) !important;
    background-color: transparent !important;
    padding: 16px 12px !important;
    vertical-align: middle;
}

.table-hover>tbody>tr:hover>* {
    --bs-table-accent-bg: rgba(255, 255, 255, 0.03) !important;
    color: var(--text-primary) !important;
    background-color: rgba(255, 255, 255, 0.03) !important;
}

/* ==========================================================================
   Listas, Acordeones y Detalles del Temario (Builder)
   ========================================================================== */
.list-group-item {
    background: transparent !important;
    border: 1px solid var(--panel-border) !important;
    color: var(--text-primary) !important;
    margin-bottom: 2px;
}

.accordion-item {
    background-color: transparent !important;
    border: 1px solid var(--panel-border) !important;
}

.accordion-button {
    background-color: rgba(255, 255, 255, 0.02) !important;
    color: var(--text-primary) !important;
    font-weight: 500;
}

.accordion-button:not(.collapsed) {
    background-color: rgba(142, 45, 226, 0.1) !important;
    color: var(--neon-cyan) !important;
    box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.05) !important;
}

/* Invertir el ícono de la flecha negra por defecto de Bootstrap */
.accordion-button::after {
    filter: invert(1) brightness(200%);
}

/* ==========================================================================
   Botones Tech (Neón y Outline)
   ========================================================================== */

/* Botón Primary - El degradado Vanguardista Core */
.btn-primary {
    background: var(--gradient-tech) !important;
    border: none !important;
    color: white !important;
    font-weight: 500 !important;
    box-shadow: 0 4px 15px rgba(142, 45, 226, 0.3) !important;
    transition: all 0.3s ease !important;
    border-radius: 8px !important;
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--gradient-tech-hover) !important;
    box-shadow: 0 6px 20px rgba(0, 242, 254, 0.4) !important;
    transform: translateY(-2px);
    color: white !important;
}

.btn-secondary,
.btn-outline-primary {
    background: transparent !important;
    border: 1px solid var(--neon-violet) !important;
    color: var(--text-primary) !important;
    transition: all 0.3s ease !important;
    border-radius: 8px !important;
}

.btn-secondary:hover,
.btn-outline-primary:hover {
    background: rgba(142, 45, 226, 0.15) !important;
    border-color: var(--neon-cyan) !important;
    color: #ffffff !important;
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.3) !important;
    transform: translateY(-2px);
}

/* Botón Outline Cyan personalizado */
.btn-outline-cyan {
    background: transparent !important;
    border: 1px solid var(--neon-cyan) !important;
    color: var(--text-primary) !important;
    transition: all 0.3s ease !important;
    border-radius: 8px !important;
}

.btn-outline-cyan:hover {
    background: rgba(14, 165, 233, 0.15) !important;
    border-color: var(--neon-cyan) !important;
    color: #ffffff !important;
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.3) !important;
    transform: translateY(-2px);
}

/* Elementos Input Glassmorphism claros */
.glass-input {
    background: rgba(255, 255, 255, 0.8) !important;
    border: 1px solid var(--panel-border) !important;
    color: var(--text-primary) !important;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.glass-input:focus {
    background: rgba(255, 255, 255, 1) !important;
    border-color: var(--neon-cyan) !important;
    box-shadow: 0 0 10px rgba(14, 165, 233, 0.2) !important;
}

/* Alertas y Peligro (Rojos Tecnológicos) */
.btn-danger {
    background: rgba(255, 75, 75, 0.1) !important;
    border: 1px solid rgba(255, 75, 75, 0.4) !important;
    color: #ff6b6b !important;
    transition: all 0.3s ease !important;
}

.btn-danger:hover {
    background: rgba(255, 75, 75, 0.25) !important;
    border-color: #ff6b6b !important;
    color: #ffffff !important;
    box-shadow: 0 0 15px rgba(255, 107, 107, 0.3) !important;
}

/* Botones de Iconos Pequeños (Ej. Editar en Syllabus) */
.btn-sm {
    border-radius: 6px !important;
}

/* ==========================================================================
   Modales Específicos (Overlays)
   ========================================================================== */
.modal-header {
    border-bottom: 1px solid var(--panel-border) !important;
}

.modal-footer {
    border-top: 1px solid var(--panel-border) !important;
}

/* Cerrar modal icon ('X') de Bootstrap (Negro a Blanco) */
.btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
    opacity: 0.8 !important;
}

/* ==========================================================================
   Navbars / Navbar Brand Glassmorphism
   ========================================================================== */
.bg-dark,
.navbar {
    background: rgba(17, 19, 25, 0.7) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border-bottom: 1px solid var(--panel-border) !important;
}

.nav-link {
    color: var(--text-muted) !important;
    font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
    color: var(--neon-cyan) !important;
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.4);
    /* Resplandor neon */
}

/* Nav Headers de Sidebar o Menús */
.container-fluid>.row>nav {
    background: var(--panel-glass) !important;
    border-right: 1px solid var(--panel-border);
}

/* ==========================================================================
   Componentes de la App (Momachtia)
   ========================================================================== */
.hover-elevate {
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.hover-elevate:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

/* Layout General */
.navbar-brand {
    font-weight: bold;
    color: #0d6efd !important;
}

.user-profile-img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 8px;
}

/* Auth / Login */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
}

.login-container {
    max-width: 400px;
    width: 100%;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.logo-placeholder {
    text-align: center;
    margin-bottom: 2rem;
}

.logo-placeholder h1 {
    color: #0d6efd;
    font-weight: bold;
}

/* Consentimiento / Términos */
.consent-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.scrollable-terms {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid #dee2e6;
    padding: 1.5rem;
    background: #fdfdfd;
    border-radius: 4px;
    margin-bottom: 2rem;
}

/* ==========================================================================
   Utilidades Específicas (Desacopladas de Estilos Inline HTML)
   ========================================================================== */

/* Layout & Menús */
.sidebar-min-height {
    min-height: calc(100vh - 56px);
}

.toast-z-index {
    z-index: 1090;
}

/* Asegurar que el dropdown del navbar quede siempre encima del contenido */
.navbar .dropdown-menu {
    z-index: 1050;
}

.navbar {
    z-index: 1040;
    position: relative;
}

/* Modificadores de Dimensión */
.min-vh-60 {
    min-height: 60vh;
}

.icon-circle-lg {
    width: 60px;
    height: 60px;
}

.avatar-circle {
    width: 40px;
    height: 40px;
    font-weight: bold;
}

.empty-state-img {
    max-height: 200px;
    opacity: 0.6;
}

/* Tipografía de Formatos Especiales (Inputs & Text) */
.join-code-display {
    letter-spacing: 0.2em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.join-code-input {
    letter-spacing: 0.5em;
    font-size: 1.5rem;
    text-transform: uppercase;
}

/* ==========================================================================
   DT-27: Clases extraídas de estilos inline (Auditoría v3)
   ========================================================================== */

/* Glassmorphism — Navbar superior */
.glass-navbar {
    backdrop-filter: blur(15px);
    background: rgba(255, 255, 255, 0.85) !important;
}

/* Glassmorphism — Tarjetas y paneles de contenido */
.glass-card {
    backdrop-filter: blur(15px);
    background: rgba(255, 255, 255, 0.75);
}

.glass-card-light {
    backdrop-filter: blur(10px);
}

.glass-card-subtle {
    backdrop-filter: blur(5px);
}

/* Truncamiento de texto con ancho máximo */
.text-truncate-300 {
    max-width: 300px;
}

/* Contenedor scrollable de tablas (ej. Dev Tools) */
.table-scroll-md {
    max-height: 400px;
    overflow-y: auto;
}

/* Texto con formato pre-wrap para contenido educativo */
.text-prewrap {
    white-space: pre-wrap;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Contenido de reactivos con interlineado amplio */
.content-wide-lineheight {
    line-height: 1.8;
}

/* Contenedor de login/registro con ancho acotado */
.auth-container {
    max-width: 450px;
}

/* Link de autenticación con color primario */
.auth-link {
    color: var(--bs-primary);
}

/* Progress bar para cursos de estudiantes */
.progress-bar-zero {
    width: 0%;
}