/* Estilos del contenedor de la aplicación */
.todo-app-container {
    max-width: 600px;
    margin: 50px auto;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
}

.app-title {
    text-align: center;
    color: #333;
}

/* Estilos del formulario de entrada */
#todo-form {
    display: flex;
    margin-bottom: 20px;
}

#todo-input {
    flex-grow: 1;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
}

.add-btn {
    padding: 12px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin-left: 10px;
    transition: background-color 0.3s;
}

.add-btn:hover {
    background-color: #0056b3;
}

/* Estilos de la lista de tareas */
.todo-list {
    list-style: none;
    padding: 0;
}

.todo-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    margin-bottom: 10px;
    background-color: #f9f9f9;
    border-radius: 8px;
    transition: transform 0.3s, opacity 0.3s;
    animation: fadeIn 0.5s ease-in-out;
}

.todo-item.completed {
    text-decoration: line-through;
    opacity: 0.6;
}

.delete-btn, .complete-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2em;
    margin-left: 10px;
    transition: color 0.3s;
}

.delete-btn {
    color: #e74c3c;
}

.complete-btn {
    color: #2ecc71;
}

.delete-btn:hover, .complete-btn:hover {
    color: #333;
}

/* Animaciones */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}