body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
}
.task {
    display: flex;
    align-items: center;
    padding: 15px;
    background-color: #f5f5f5;  
    border-radius: 8px;
    margin-bottom: 10px;
    gap: 10px;
}
.task.editing {
    background-color: #fff3cd;
}
.task.completed {
    background-color: #d4edda;
    text-decoration: line-through;
}
.task-content {
    flex-grow: 1;
}
.task input[type="text"] {
    width: 100%;
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
}
.btn {
    padding: 5px 10px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
.btn-edit { background-color: #ffc107; }
.btn-save { background-color: #28a745; }
.btn-delete { background-color: #dc3545; color: white; }
#taskInput {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}
#newTask {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}
#addTask {
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
}
#loginForm {
    max-width: 400px;
    margin: 100px auto;
    padding: 20px;
    background-color: #f5f5f5;
    border-radius: 8px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
}

.form-group input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

#taskManager {
    display: none;
}

.error-message {
    color: #dc3545;
    margin-top: 10px;
}