body { 
        font-family: sans-serif; 
        margin: 20px; 
        background-color: #f5f5f5;
        max-width: 600px;
        margin: 0 auto;
        padding: 20px;
    }
    input { 
        margin-right: 5px; 
        padding: 8px;
        border: 1px solid #ddd;
        border-radius: 4px;
        width: 70%;
    }
    button {
        background-color: #4CAF50;
        color: white;
        border: none;
        padding: 8px 15px;
        border-radius: 4px;
        cursor: pointer;
    }
    button:hover {
        background-color: #45a049;
    }
    h2 {
        color: #333;
        border-bottom: 2px solid #4CAF50;
        padding-bottom: 10px;
    }
    ul {
        padding-left: 0;
    }
    li {
        background-color: white;
        padding: 12px;
        border-radius: 4px;
        border-left: 4px solid #4CAF50;
        margin-bottom: 10px;
        box-shadow: 0 1px 3px rgba(0,0,0,0.1);
        display: flex;
        justify-content: space-between;
        align-items: center;
        min-height: 45px;
    }
    li .task-text {
        flex-grow: 1;
        padding: 3px 0;
        line-height: 1.4;
        min-height: 18px;
    }
    li .task-buttons {
        display: flex;
        gap: 5px;
    }
    li button {
        background-color: #f44336;
        margin-left: 0px;
        font-size: 12px;
        padding: 7px 10px;
        min-height: 30px;
    }
    li button:hover {
        background-color: #d32f2f;
    }
    .completed {
        text-decoration: line-through;
        opacity: 0.6;
    }
    .edit-btn {
        background-color: #2196F3 !important;
    }
    .edit-btn:hover {
        background-color: #1976D2 !important;
    }
    .complete-btn {
        background-color: #FF9800 !important;
    }
    .complete-btn:hover {
        background-color: #F57C00 !important;
    }