/* --- Contenedor Principal del Curso --- */
.manual-course-player {
    display: flex;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    height: 70vh; /* Altura del visor, ajústala como necesites */
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    margin: 20px 0; /* Margen para separarlo de otros elementos */
}

/* --- 1. Barra Lateral (Navegación) --- */
.course-sidebar {
    width: 300px;
    background-color: #f9f9f9;
    border-right: 1px solid #e0e0e0;
    overflow-y: auto; /* Scroll si hay muchas lecciones */
    padding-bottom: 20px;
}

.sidebar-section {
    border-bottom: 1px solid #e5e5e5;
}

.section-header {
    padding: 15px 20px;
    font-weight: 600;
    color: #333;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none; /* Evita seleccionar texto al hacer clic */
}
.section-header:hover { background-color: #f0f0f0; }
.section-header .toggle-icon {
    font-size: 1.2em;
    transition: transform 0.3s ease;
}
.section-header.active .toggle-icon {
    transform: rotate(90deg);
}

.lesson-list-sidebar {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 0; /* Oculto por defecto */
    overflow: hidden;
    transition: max-height 0.4s ease-out; /* Animación de despliegue */
}

.lesson-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px 12px 35px; /* Indentación para lecciones */
    text-decoration: none;
    color: #555;
    font-size: 14px;
    border-top: 1px solid #eee;
    cursor: pointer;
    position: relative;
}
.lesson-link:hover { background-color: #e9e9e9; }
.lesson-link.active {
    background-color: #e0e7ff; /* Fondo azul claro para la lección activa */
    font-weight: 600;
    color: #4f46e5; /* Azul índigo */
}
.lesson-link .icon { width: 16px; height: 16px; color: #888; }
.lesson-link .status-icon { width: 16px; height: 16px; margin-left: auto; color: #ccc; }
.lesson-link.completed .status-icon { color: #10b981; } /* Verde */
.lesson-link.locked .status-icon { color: #f59e0b; } /* Naranja */
.lesson-link .preview-tag {
    font-size: 10px; font-weight: bold; color: #3b82f6;
    background-color: #dbeafe; padding: 2px 6px; border-radius: 4px;
}
.lesson-link .subtext { font-size: 11px; color: #999; margin-left: 26px; margin-top: -8px; display: block; }

/* --- 2. Área de Contenido Principal --- */
.course-content-area {
    flex-grow: 1; /* Ocupa el espacio restante */
    padding: 30px;
    overflow-y: auto; /* Scroll si el contenido es largo */
}

.content-panel {
    display: none; /* Oculto por defecto */
}
.content-panel.active {
    display: block; /* Muestra el contenido activo */
}

.content-panel h2 { margin-top: 0; color: #333; }
.content-panel p { line-height: 1.7; color: #444; }
.content-panel video { max-width: 100%; height: auto; border-radius: 8px; } /* Estilo para video */
.protected-message {
    background-color: #fff3cd; color: #856404;
    border: 1px solid #ffeeba; border-left: 5px solid #ffc107;
    padding: 15px; border-radius: 4px;
    margin-bottom: 20px;
}

/* Código para el Formulario de Login */

/* --- Fuentes y Estilos Generales --- */
.login-form-container {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    max-width: 400px;
    margin: 40px auto;
}

.login-form-container h2 {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin: 0 0 30px 0;
    text-align: center;
}

/* --- Campos del Formulario --- */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #555;
    margin-bottom: 8px;
}

.form-group label .required {
    color: #e53e3e; /* Rojo para el asterisco */
}

.form-group input[type="text"],
.form-group input[type="password"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 16px;
    box-sizing: border-box; /* Asegura que el padding no aumente el tamaño */
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="password"]:focus {
    border-color: #1abc9c; /* Teal al hacer foco */
    box-shadow: 0 0 0 3px rgba(26, 188, 156, 0.15);
    outline: none;
}

/* Contenedor para el campo de contraseña con icono */
.password-wrapper {
    position: relative;
}

.password-wrapper input[type="password"] {
    padding-right: 40px; /* Espacio para el icono */
}

.password-toggle-icon {
    position: absolute;
    top: 50%;
    right: 12px;
    transform: translateY(-50%);
    cursor: pointer;
    color: #aaa;
    width: 20px;
    height: 20px;
}
.password-toggle-icon svg {
    display: block; /* Asegura que el SVG se muestre */
    width: 100%;
    height: 100%;
}

/* --- Opciones Adicionales (Remember Me / Forgot Password) --- */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    font-size: 14px;
}

.form-options .remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #555;
}
.form-options .remember-me input[type="checkbox"] {
    width: 16px;
    height: 16px;
}

.form-options .forgot-password a {
    color: #6b46c1; /* Morado */
    text-decoration: none;
    font-weight: 500;
}
.form-options .forgot-password a:hover {
    text-decoration: underline;
}

/* --- Botón de Envío --- */
.submit-button {
    display: block;
    width: 100%;
    background-color: #1abc9c; /* Teal */
    color: #fff;
    padding: 14px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.submit-button:hover {
    background-color: #16a085; /* Teal más oscuro */
}