:root {
    /* Colores Principales del Logo */
    --primary-blue: #1E88E5; /* Azul principal de "Aplinea" */
    --secondary-green: #43A047; /* Verde de crecimiento y aprendizaje */
    --light-gray: #E0E0E0; /* Gris claro secundario y neutro */
    --dark-gray: #424242; /* Gris para texto de eslogan */

    /* Colores Extendidos y de Interacción */
    --accent-blue-light: #64B5F6;
    --accent-blue-dark: #1565C0;
    --accent-green-light: #81C784;
    --accent-green-dark: #2E7D32;

    /* Colores de Texto */
    --text-color-primary: var(--dark-gray);
    --text-color-secondary: #757575;
    --text-color-light: #FAFAFA;

    /* Colores de Fondo */
    --background-white: #FFFFFF;
    --background-light: #F5F5F5;
    --background-dark: #303030;

    /* Colores de Alerta y Estado */
    --status-success: #4CAF50;
    --status-error: #F44336;
    --status-warning: #FFC107;
    --status-info: #2196F3;
}

body {
    font-family: 'Poppins', 'Montserrat', sans-serif;
    background-color: var(--background-light);
    color: var(--text-color-primary);
    margin: 0;
    padding: 0;
}

/* Contenedor para login */
.login-container {
    background-color: var(--background-white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    box-sizing: border-box;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Estilos de Navegación */
.main-nav {
    background-color: var(--dark-gray);
    padding: 0 20px;
    color: var(--text-color-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}
.main-nav .nav-logo a {
    color: var(--text-color-light);
    text-decoration: none;
    font-size: 24px;
    font-weight: bold;
}
.main-nav .nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}
.main-nav .nav-links li {
    margin-left: 20px;
}
.main-nav .nav-links a {
    color: var(--light-gray);
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
}
.main-nav .nav-links a:hover {
    color: var(--primary-blue);
}

/* Contenido Principal */
.main-content {
    padding: 40px;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

h1 {
    color: var(--primary-blue);
    margin: 0;
}

/* Contenedor de Formularios */
.form-container {
    background-color: var(--background-white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    max-width: 700px;
    margin: auto;
}

/* Estilos de Formularios y Botones */
.input-group {
    margin-bottom: 20px;
}
.input-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color-secondary);
    font-weight: bold;
}
.input-group input, .input-group select, .input-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--light-gray);
    border-radius: 4px;
    box-sizing: border-box;
    transition: border-color 0.3s;
}
.input-group input:focus, .input-group select:focus, .input-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    color: var(--text-color-light);
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    transition: background-color 0.3s;
}

.btn-primary {
    background-color: var(--primary-blue);
}
.btn-primary:hover {
    background-color: var(--accent-blue-dark);
}

.btn-secondary {
    background-color: var(--secondary-green);
}
.btn-secondary:hover {
    background-color: var(--accent-green-dark);
}

/* Estilos de Tabla */
.table-container {
    background-color: var(--background-white);
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th, table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--light-gray);
}

table th {
    background-color: var(--background-light);
    font-weight: bold;
    color: var(--text-color-primary);
}

table tbody tr:hover {
    background-color: var(--accent-blue-light);
}

.actions a {
    margin-right: 10px;
    text-decoration: none;
}

.btn-action {
    padding: 5px 10px;
    border-radius: 4px;
    color: var(--text-color-light);
    font-size: 14px;
}
.btn-edit {
    background-color: var(--secondary-green);
}
.btn-delete {
    background-color: var(--status-error);
}
.btn-toggle-status {
    background-color: var(--status-warning);
}

.btn-pdf {
    background-color: #6f42c1; /* Morado - Considerar cambiar a un color de la paleta */
}

/* Indicadores de Estado */
.status-active {
    color: var(--status-success);
    font-weight: bold;
}
.status-inactive {
    color: var(--status-error);
    font-weight: bold;
}

/* Alertas */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: 4px;
}
.alert-success {
    color: var(--accent-green-dark);
    background-color: #d4edda;
    border-color: #c3e6cb;
}
.alert-danger {
    color: #721c24; /* Manteniendo un rojo oscuro para el texto por contraste */
    background-color: #f8d7da;
    border-color: #f5c6cb;
}