:root {
    /* Colores principales */
    --bg-color: #102c79;
    --primary-color: #4A6FA5;  /* Azul académico */
    --secondary-color: #FF9F1C;  /* Naranja energético */
    --accent-color: #2EC4B6;  /* Verde-turquesa refrescante */
    
    /* Colores neutros */
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --medium-gray: #E9ECEF;
    --dark-gray: #495057;
    
    /* Colores de feedback */
    --success-color: #28A745;
    --warning-color: #FFC107;
    --danger-color: #DC3545;
    --info-color: #17A2B8;
    
    /* Tamaños de fuente */
    --font-size-xs: 0.75rem;   /* 12px */
    --font-size-sm: 0.875rem;  /* 14px */
    --font-size-base: 1rem;    /* 16px */
    --font-size-md: 1.25rem;   /* 20px */
    --font-size-lg: 1.5rem;    /* 24px */
    --font-size-xl: 2rem;      /* 32px */
    
    /* Fuentes */
    --font-primary: 'Open Sans', sans-serif;
    --font-secondary: 'Montserrat', sans-serif;
    
    /* Espaciados */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;      /* 32px */
}

/* Estilos base */
body {
    font-family: var(--font-primary);
    /* background-color: var(--white); */
    background-color: var(--bg-color);
    /* color: var(--dark-gray); */
    color: var(--white);
    line-height: 1.6;
}

.main-content {
    padding-top: 10px; /* Espacio para el botón flotante */
    /* background-color: var(--white); */
    background-color: var(--bg-color);
}

/* Header */
.main-header {
    /* background-color: var(--primary-color); */
    background-color: var(--bg-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.logo h1 {
    font-family: var(--font-secondary);
    font-size: var(--font-size-lg);
    color: var(--white);
    font-weight: 600;
}

/* Sidebar */
.sidebar {
    background-color: var(--white);
    border-right: 1px solid var(--medium-gray);
}

.sidebar-nav li a {
    color: var(--dark-gray);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.sidebar-nav li a:hover {
    background-color: var(--light-gray);
    color: var(--primary-color);
}

.sidebar-nav li a i {
    color: var(--primary-color);
}

/* Contenido principal */
.main-content {
    /* background-color: var(--light-gray); */
    background-color: var(--bg-color);
    min-height: calc(100vh - var(--header-height));
}

/* Componentes de autenticación */
.auth-container {
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    max-width: 500px;
    margin: var(--spacing-xl) auto;
    overflow: hidden;
}

#loginSection {
    position: relative;
}

.login-logo {
    display: none;
    position: absolute;
    bottom: 10px;
    right: 10px;
    height: 50px;
    height: 160px;
    width: auto;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.login-logo:hover {
    opacity: 1;
}


.tabs {
    display: flex;
    border-bottom: 2px solid var(--medium-gray);
}

.tab-button {
    flex: 1;
    padding: var(--spacing-md);
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-secondary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--dark-gray);
    transition: all 0.3s;
}

.tab-button.active {
    color: var(--primary-color);
    border-bottom: 3px solid var(--secondary-color);
}

.tab-content {
    padding: var(--spacing-xl);
    display: none;
}

.tab-content.active {
    display: block;
}

/* Formularios */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: var(--font-size-sm);
    color: var(--dark-gray);
    font-weight: 500;
}

.form-group input {
    padding: var(--spacing-sm);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    font-size: var(--font-size-base);
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 4px;
    font-family: var(--font-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-primary:hover {
    background-color: #3a5a8c;
}

/* Elementos de gamificación */
.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--secondary-color);
    color: var(--white);
    border-radius: 20px;
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.points-display {
    font-family: var(--font-secondary);
    color: var(--secondary-color);
    font-size: var(--font-size-lg);
    font-weight: 700;
}




/* Estilos para la página de bienvenida */
.welcome-section {
    padding: 0 2rem 1rem 2rem;
    /* background-color: var(--white); */
    background-color: var(--bg-color);
}

.welcome-container {
    max-width: 1200px;
    margin: 0 auto;
}

.welcome-section {
    padding-top: 0;
}

.welcome-title-container {
    display: flex;
    align-items: center;
    gap: 1rem; /* Espacio entre el logo y el texto */
    margin-bottom: 1rem;
}

.logo-title {
    height: 160px; /* Ajusta según el tamaño de tu logo */
    width: auto;
}

.title-text {
    display: flex;
    flex-direction: column;
}

.welcome-title {
    /* color: var(--primary-color); */
    color: var(--white);
    font-size: 2.5rem;
    text-align: center;
    margin: 0;
    font-family: var(--font-secondary);
}

.welcome-content {
    display: flex;
    gap: 2rem;
    align-items: center;
    margin-bottom: 3rem;
}

.welcome-text {
    flex: 1;
}

.welcome-description {
    font-size: 1.1rem;
    line-height: 1.6;
    /* color: var(--dark-gray); */
    color: var(--white);
    margin: 0;
}

.welcome-image {
    flex: 1;
    text-align: center;
}

.welcome-image img {
    max-width: 100%;
    height: auto;
}

.welcome-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-card {
    /* background: var(--white); */
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}
/* Personalización de colores por tipo de card */
.feature-card.bg-blue-500 { background-color: #3b82f6; }
.feature-card.bg-green-500 { background-color: #10b981; }
.feature-card.bg-purple-500 { background-color: #9333ea; }

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2rem;
    color: var(--secondary-color);
    color: var(--white);
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--medium-gray);
    text-shadow: -1px 0 rgb(255, 230, 0), 1px 0 rgb(255, 230, 0), 0 1px rgb(255, 230, 0), 0 -1px rgb(255, 230, 0);
    text-shadow: -1px 0 rgb(56, 56, 56), 1px 0 rgb(56, 56, 56), 0 1px rgb(56, 56, 56), 0 -1px rgb(56, 56, 56);
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.welcome-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.btn-large {
    padding: 0.75rem 1.5rem;
    font-size: 1.1rem;
}




/* Agregar al final de tu style.css existente */

/* Botón de acceso gamificado */
.gamification-btn {
    background-color: var(--secondary-color);
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    font-family: var(--font-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.gamification-btn:hover {
    background-color: #e68a00;
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
}

.gamification-btn i {
    font-size: 1.4rem;
}

/* Contenedor flotante */
.floating-access-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}


/* Estilos para mensajes de alerta */
#alerta {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 400px;
    text-align: center;
    z-index: 1000;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
    opacity: 1;
    transition: opacity 0.5s ease-in-out;
}

.alert {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-radius: 4px;
    font-family: var(--font-secondary);
}

.alert-success {
    padding: 15px;
    margin: 20px 0;
    border-radius: 5px;
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;    
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-success i {
    margin-right: 10px;
}

/* Estilos para campos inválidos */
input:invalid {
    border-color: var(--danger-color);
}

.error-message {
    color: var(--danger-color);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-xs);
}





@media (max-width: 768px) {
    .auth-container {
        margin: var(--spacing-md);
        box-shadow: none;
    }
    
    .tabs {
        flex-direction: column;
        border-bottom: none;
    }
    
    .tab-button {
        border-bottom: 1px solid var(--medium-gray);
    }
    
    .tab-button.active {
        border-bottom: 3px solid var(--secondary-color);
    }
    
    .main-content {
        padding: var(--spacing-md);
    }


    .welcome-content {
        flex-direction: column;
    }
    
    .welcome-actions {
        flex-direction: column;
        align-items: center;
    }


    .floating-access-btn {
        top: 10px;
        right: 10px;
    }
    
    .gamification-btn {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
}