body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(to right, #6a11cb 0%, #2575fc 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    color: #333;
}

.container {
    background-color: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 550px;
    box-sizing: border-box;
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 25px;
    font-weight: 700;
}

.input-section {
    display: flex;
    margin-bottom: 25px;
    gap: 10px;
}

#taskInput {
    flex-grow: 1;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    outline: none;
    transition: border-color 0.3s;
}

#taskInput:focus {
    border-color: #2575fc;
}

#addTaskBtn {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    transition: background-color 0.3s;
}

#addTaskBtn:hover {
    background-color: #218838;
}

#taskList {
    list-style: none;
    padding: 0;
    margin: 0;
}

#taskList li {
    background-color: #f9f9f9;
    border: 1px solid #eee;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s, box-shadow 0.3s;
}

#taskList li:hover {
    background-color: #f0f0f0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

#taskList li.completed {
    text-decoration: line-through;
    color: #888;
    background-color: #e0e0e0;
}

.task-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    flex-grow: 1;
}

.task-text {
    font-size: 18px;
    font-weight: 400;
    color: #333;
    cursor: pointer; /* Indicate it's clickable for editing */
}

.task-date {
    font-size: 0.85em;
    color: #888;
    margin-top: 5px;
}

.task-actions button {
    background-color: #dc3545;
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    margin-left: 8px;
    transition: background-color 0.3s;
}

.task-actions button.complete-btn {
    background-color: #007bff;
}

.task-actions button.edit-btn {
    background-color: #ffc107;
    color: #333;
}

.task-actions button.edit-btn:hover {
    background-color: #e0a800;
}

.task-actions button:hover {
    opacity: 0.9;
}

.filters {
    margin-top: 25px;
    text-align: center;
    display: flex;
    justify-content: center;
    gap: 10px;
}

.filters button {
    background-color: #6c757d;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 700;
    transition: background-color 0.3s;
}

.filters button.active {
    background-color: #007bff;
}

.filters button:hover {
    background-color: #5a6268;
}

#clearCompletedBtn {
    background-color: #dc3545;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    margin-top: 20px;
    width: 100%;
    transition: background-color 0.3s;
}

#clearCompletedBtn:hover {
    background-color: #c82333;
}