/*!
 * Lerner UI Adaptation for EDU4DENTAL
 * Modern UI components inspired by Lerner LMS
 * Generated by Copilot
 */

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

:root {
    /* Colores principales de Lerner */
    --lerner-primary: #295C51;
    --lerner-primary-light: #3a7066;
    --lerner-primary-dark: #1e4238;
    
    /* Colores de estado */
    --lerner-success: #22c55e;
    --lerner-warning: #f59e0b;
    --lerner-error: #ef4444;
    --lerner-info: #3b82f6;
    
    /* Grises modernos */
    --lerner-gray-50: #f9fafb;
    --lerner-gray-100: #f3f4f6;
    --lerner-gray-200: #e5e7eb;
    --lerner-gray-300: #d1d5db;
    --lerner-gray-400: #9ca3af;
    --lerner-gray-500: #6b7280;
    --lerner-gray-600: #4b5563;
    --lerner-gray-700: #374151;
    --lerner-gray-800: #1f2937;
    --lerner-gray-900: #111827;
    
    /* Sombras modernas */
    --lerner-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --lerner-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --lerner-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --lerner-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --lerner-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transiciones */
    --lerner-transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --lerner-transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Espaciado */
    --lerner-space-1: 0.25rem;
    --lerner-space-2: 0.5rem;
    --lerner-space-3: 0.75rem;
    --lerner-space-4: 1rem;
    --lerner-space-5: 1.25rem;
    --lerner-space-6: 1.5rem;
    --lerner-space-8: 2rem;
    --lerner-space-10: 2.5rem;
    --lerner-space-12: 3rem;
    --lerner-space-16: 4rem;
    --lerner-space-20: 5rem;
    
    /* Border radius */
    --lerner-radius-sm: 0.125rem;
    --lerner-radius: 0.25rem;
    --lerner-radius-md: 0.375rem;
    --lerner-radius-lg: 0.5rem;
    --lerner-radius-xl: 0.75rem;
    --lerner-radius-2xl: 1rem;
    --lerner-radius-full: 9999px;
}

/* =========================================
   FIXES ESPECÍFICOS PARA PROBLEMAS
   ========================================= */

/* Remover la clase no-js cuando JavaScript esté habilitado */
.js .no-js-only {
    display: none !important;
}

/* Forzar que el HTML no tenga la clase no-js cuando JS está cargado */
html.no-js {
    transition: none;
}

/* Cuando JS está cargado, aplicar transiciones */
html:not(.no-js) .wsus__course_sidebar {
    transition: transform 0.3s ease, width 0.3s ease;
}

html:not(.no-js) .sidebar-overlay {
    transition: opacity 0.3s ease;
}

/* =========================================
   MEJORAS PARA VIDEO PLAYER
   ========================================= */

/* Asegurar que el video player ocupe todo el espacio disponible */
.video-payer {
    width: 100% !important;
    height: auto !important;
    min-height: 400px !important;
    max-height: 70vh !important;
    aspect-ratio: 16/9 !important;
    position: relative !important;
}

.video-js {
    width: 100% !important;
    height: 100% !important;
    max-width: 100% !important;
    max-height: 100% !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
}

/* =========================================
   MEJORAS PARA SIDEBAR TOGGLE
   ========================================= */

@media (max-width: 991px) {
    .wsus__course_sidebar.show {
        transform: translateX(0) !important;
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.5) !important;
        z-index: 1001 !important;
    }
    
    .sidebar-overlay.active {
        display: block !important;
        animation: fadeIn 0.3s ease !important;
        z-index: 1000 !important;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Mejoras para botones de toggle */
.lerner-hamburger-btn:focus,
.lerner-btn-close:focus {
    outline: 2px solid var(--lerner-primary);
    outline-offset: 2px;
}

/* =========================================
   TIPOGRAFÍA MODERNA
   ========================================= */
.lerner-font {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-feature-settings: 'cv01', 'cv03', 'cv04', 'cv11';
}

.lerner-text-xs { font-size: 0.75rem; line-height: 1rem; }
.lerner-text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.lerner-text-base { font-size: 1rem; line-height: 1.5rem; }
.lerner-text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.lerner-text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.lerner-text-2xl { font-size: 1.5rem; line-height: 2rem; }
.lerner-text-3xl { font-size: 1.875rem; line-height: 2.25rem; }

.lerner-font-light { font-weight: 300; }
.lerner-font-normal { font-weight: 400; }
.lerner-font-medium { font-weight: 500; }
.lerner-font-semibold { font-weight: 600; }
.lerner-font-bold { font-weight: 700; }

/* =========================================
   LAYOUT UTILITARIOS
   ========================================= */
.lerner-flex { display: flex; }
.lerner-inline-flex { display: inline-flex; }
.lerner-grid { display: grid; }
.lerner-block { display: block; }
.lerner-inline-block { display: inline-block; }
.lerner-hidden { display: none; }

.lerner-flex-col { flex-direction: column; }
.lerner-flex-row { flex-direction: row; }
.lerner-items-center { align-items: center; }
.lerner-items-start { align-items: flex-start; }
.lerner-items-end { align-items: flex-end; }
.lerner-justify-center { justify-content: center; }
.lerner-justify-between { justify-content: space-between; }
.lerner-justify-start { justify-content: flex-start; }
.lerner-justify-end { justify-content: flex-end; }

.lerner-gap-1 { gap: var(--lerner-space-1); }
.lerner-gap-2 { gap: var(--lerner-space-2); }
.lerner-gap-3 { gap: var(--lerner-space-3); }
.lerner-gap-4 { gap: var(--lerner-space-4); }
.lerner-gap-6 { gap: var(--lerner-space-6); }
.lerner-gap-8 { gap: var(--lerner-space-8); }

/* Grid */
.lerner-grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.lerner-grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.lerner-grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.lerner-grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* =========================================
   SPACING (PADDING Y MARGIN)
   ========================================= */
.lerner-p-1 { padding: var(--lerner-space-1); }
.lerner-p-2 { padding: var(--lerner-space-2); }
.lerner-p-3 { padding: var(--lerner-space-3); }
.lerner-p-4 { padding: var(--lerner-space-4); }
.lerner-p-6 { padding: var(--lerner-space-6); }
.lerner-p-8 { padding: var(--lerner-space-8); }

.lerner-px-2 { padding-left: var(--lerner-space-2); padding-right: var(--lerner-space-2); }
.lerner-px-3 { padding-left: var(--lerner-space-3); padding-right: var(--lerner-space-3); }
.lerner-px-4 { padding-left: var(--lerner-space-4); padding-right: var(--lerner-space-4); }
.lerner-px-6 { padding-left: var(--lerner-space-6); padding-right: var(--lerner-space-6); }

.lerner-py-2 { padding-top: var(--lerner-space-2); padding-bottom: var(--lerner-space-2); }
.lerner-py-3 { padding-top: var(--lerner-space-3); padding-bottom: var(--lerner-space-3); }
.lerner-py-4 { padding-top: var(--lerner-space-4); padding-bottom: var(--lerner-space-4); }
.lerner-py-6 { padding-top: var(--lerner-space-6); padding-bottom: var(--lerner-space-6); }

.lerner-m-1 { margin: var(--lerner-space-1); }
.lerner-m-2 { margin: var(--lerner-space-2); }
.lerner-m-3 { margin: var(--lerner-space-3); }
.lerner-m-4 { margin: var(--lerner-space-4); }

.lerner-mx-auto { margin-left: auto; margin-right: auto; }
.lerner-mb-2 { margin-bottom: var(--lerner-space-2); }
.lerner-mb-3 { margin-bottom: var(--lerner-space-3); }
.lerner-mb-4 { margin-bottom: var(--lerner-space-4); }
.lerner-mb-6 { margin-bottom: var(--lerner-space-6); }

/* =========================================
   BOTONES MODERNOS ESTILO LERNER
   ========================================= */
.lerner-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--lerner-space-2);
    padding: var(--lerner-space-3) var(--lerner-space-4);
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25rem;
    border-radius: var(--lerner-radius-md);
    border: 1px solid transparent;
    transition: var(--lerner-transition);
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.lerner-btn:focus {
    outline: 2px solid transparent;
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(41, 92, 81, 0.1);
}

.lerner-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.lerner-btn-primary:hover {
    background-color: var(--lerner-primary-dark);
    border-color: var(--lerner-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--lerner-shadow-md);
}

.lerner-btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--lerner-shadow-sm);
}

.lerner-btn-secondary {
    background-color: white;
    color: var(--lerner-gray-700);
    border-color: var(--lerner-gray-300);
}

.lerner-btn-secondary:hover {
    background-color: var(--lerner-gray-50);
    border-color: var(--lerner-gray-400);
}

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

.lerner-btn-outline:hover {
    background-color: var(--lerner-primary);
    color: white;
}

.lerner-btn-ghost {
    background-color: transparent;
    color: var(--lerner-gray-600);
    border-color: transparent;
}

.lerner-btn-ghost:hover {
    background-color: var(--lerner-gray-100);
    color: var(--lerner-gray-900);
}

/* Tamaños de botones */
.lerner-btn-sm {
    padding: var(--lerner-space-2) var(--lerner-space-3);
    font-size: 0.75rem;
    line-height: 1rem;
}

.lerner-btn-lg {
    padding: var(--lerner-space-4) var(--lerner-space-6);
    font-size: 1rem;
    line-height: 1.5rem;
}

.lerner-btn-xl {
    padding: var(--lerner-space-5) var(--lerner-space-8);
    font-size: 1.125rem;
    line-height: 1.75rem;
}

/* =========================================
   TARJETAS DE CURSO MODERNAS
   ========================================= */
.lerner-card {
    background: white;
    border: 1px solid var(--lerner-gray-200);
    border-radius: var(--lerner-radius-lg);
    box-shadow: var(--lerner-shadow-sm);
    transition: var(--lerner-transition);
    overflow: hidden;
    position: relative;
}

.lerner-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--lerner-shadow-lg);
    border-color: var(--lerner-gray-300);
}

.lerner-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: linear-gradient(135deg, var(--lerner-gray-100), var(--lerner-gray-200));
}

.lerner-card-content {
    padding: var(--lerner-space-6);
}

.lerner-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--lerner-gray-900);
    margin-bottom: var(--lerner-space-2);
    line-height: 1.5;
}

.lerner-card-description {
    color: var(--lerner-gray-600);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: var(--lerner-space-4);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.lerner-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--lerner-space-4);
    padding-top: var(--lerner-space-4);
    border-top: 1px solid var(--lerner-gray-200);
}

.lerner-card-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--lerner-primary);
}

.lerner-card-badge {
    position: absolute;
    top: var(--lerner-space-4);
    left: var(--lerner-space-4);
    background: var(--lerner-primary);
    color: white;
    padding: var(--lerner-space-1) var(--lerner-space-2);
    border-radius: var(--lerner-radius);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* =========================================
   ELEMENTOS DE FORMULARIO MODERNOS
   ========================================= */
.lerner-input {
    width: 100%;
    padding: var(--lerner-space-3) var(--lerner-space-4);
    border: 1px solid var(--lerner-gray-300);
    border-radius: var(--lerner-radius-md);
    font-size: 0.875rem;
    line-height: 1.25rem;
    transition: var(--lerner-transition);
    background-color: white;
    font-family: 'Inter', sans-serif;
}

.lerner-input:focus {
    outline: 2px solid transparent;
    outline-offset: 2px;
    border-color: var(--lerner-primary);
    box-shadow: 0 0 0 3px rgba(41, 92, 81, 0.1);
}

.lerner-input::placeholder {
    color: var(--lerner-gray-500);
}

.lerner-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--lerner-gray-700);
    margin-bottom: var(--lerner-space-2);
}

.lerner-form-group {
    margin-bottom: var(--lerner-space-4);
}

/* =========================================
   NAVEGACIÓN MODERNA
   ========================================= */
.lerner-nav {
    background: white;
    border-bottom: 1px solid var(--lerner-gray-200);
    box-shadow: var(--lerner-shadow-sm);
}

.lerner-nav-item {
    display: inline-flex;
    align-items: center;
    padding: var(--lerner-space-3) var(--lerner-space-4);
    color: var(--lerner-gray-600);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--lerner-transition);
    border-radius: var(--lerner-radius-md);
    margin: 0 var(--lerner-space-1);
}

.lerner-nav-item:hover {
    color: var(--lerner-primary);
    background-color: var(--lerner-gray-50);
}

.lerner-nav-item.active {
    color: var(--lerner-primary);
    background-color: rgba(41, 92, 81, 0.1);
}

/* =========================================
   ALERTAS Y NOTIFICACIONES
   ========================================= */
.lerner-alert {
    padding: var(--lerner-space-4);
    border-radius: var(--lerner-radius-md);
    border: 1px solid;
    margin-bottom: var(--lerner-space-4);
    display: flex;
    align-items: flex-start;
    gap: var(--lerner-space-3);
}

.lerner-alert-success {
    background-color: rgba(34, 197, 94, 0.1);
    border-color: var(--lerner-success);
    color: #15803d;
}

.lerner-alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border-color: var(--lerner-warning);
    color: #92400e;
}

.lerner-alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: var(--lerner-error);
    color: #dc2626;
}

.lerner-alert-info {
    background-color: rgba(59, 130, 246, 0.1);
    border-color: var(--lerner-info);
    color: #1d4ed8;
}

/* =========================================
   DASHBOARD MODERNO
   ========================================= */
.lerner-dashboard {
    background-color: var(--lerner-gray-50);
    min-height: 100vh;
}

.lerner-dashboard-header {
    background: white;
    padding: var(--lerner-space-6);
    border-bottom: 1px solid var(--lerner-gray-200);
    margin-bottom: var(--lerner-space-8);
}

.lerner-dashboard-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--lerner-gray-900);
    margin-bottom: var(--lerner-space-2);
}

.lerner-dashboard-subtitle {
    color: var(--lerner-gray-600);
    font-size: 1rem;
}

.lerner-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--lerner-space-6);
    margin-bottom: var(--lerner-space-8);
}

.lerner-stat-card {
    background: white;
    padding: var(--lerner-space-6);
    border-radius: var(--lerner-radius-lg);
    border: 1px solid var(--lerner-gray-200);
    box-shadow: var(--lerner-shadow-sm);
}

.lerner-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--lerner-primary);
    margin-bottom: var(--lerner-space-2);
}

.lerner-stat-label {
    color: var(--lerner-gray-600);
    font-size: 0.875rem;
    font-weight: 500;
}

/* =========================================
   ANIMACIONES Y TRANSICIONES
   ========================================= */
@keyframes lerner-fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.lerner-animate-fade-in {
    animation: lerner-fade-in 0.3s ease-out;
}

.lerner-animate-slide-in {
    animation: lerner-slide-in 0.3s ease-out;
}

/* =========================================
   RESPONSIVE DESIGN
   ========================================= */
@media (max-width: 768px) {
    .lerner-grid-cols-3 {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }
    
    .lerner-grid-cols-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .lerner-card-content {
        padding: var(--lerner-space-4);
    }
    
    .lerner-btn-xl {
        padding: var(--lerner-space-4) var(--lerner-space-6);
        font-size: 1rem;
    }
    
    .lerner-dashboard-header {
        padding: var(--lerner-space-4);
    }
    
    .lerner-stats-grid {
        grid-template-columns: 1fr;
    }
}

/* =========================================
   MODO OSCURO (DARK MODE)
   ========================================= */
@media (prefers-color-scheme: dark) {
    :root {
        --lerner-gray-50: #1f2937;
        --lerner-gray-100: #374151;
        --lerner-gray-200: #4b5563;
        --lerner-gray-300: #6b7280;
        --lerner-gray-900: #f9fafb;
        --lerner-gray-800: #f3f4f6;
        --lerner-gray-700: #e5e7eb;
        --lerner-gray-600: #d1d5db;
    }
    
    .lerner-card {
        background: var(--lerner-gray-800);
        border-color: var(--lerner-gray-700);
    }
    
    .lerner-nav {
        background: var(--lerner-gray-800);
        border-color: var(--lerner-gray-700);
    }
    
    .lerner-dashboard {
        background-color: var(--lerner-gray-900);
    }
    
    .lerner-dashboard-header {
        background: var(--lerner-gray-800);
        border-color: var(--lerner-gray-700);
    }
    
    .lerner-input {
        background-color: var(--lerner-gray-800);
        border-color: var(--lerner-gray-700);
        color: var(--lerner-gray-100);
    }
}