body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    height: 100vh;
    background-color: #f4f4f9;
}

.container {
    width: 200px;
    border: 2px solid #ccc;
    border-radius: 10px;
    background-color: #fff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
}

.toggle-btn {
    position: fixed; 
    top: 20px;
    left: 20px; 
    background: #007bff;
    border: none;
    border-radius: 8px;
    padding: 10px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 40px;
    width: 40px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s ease, transform 0.2s ease;
    z-index: 1000; 
}
.toggle-btn:hover {
    background-color: #0056b3;
    transform: scale(1.1);
}

.toggle-btn div {
    width: 100%;
    height: 4px;
    background-color: #fff;
    border-radius: 2px;
    transition: transform 0.3s ease;
}

.toggle-btn.open div:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.toggle-btn.open div:nth-child(2) {
    opacity: 0;
}

.toggle-btn.open div:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.tools-board {
    padding: 10px;
    border-top: 2px solid #ccc;
}

.tools-board.hidden {
    display: none;
}

.tools-board .row {
    margin-bottom: 15px;
}

.tools-board .title {
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 5px;
    display: block;
}

.tools-board .colors input[type="color"] {
    width: 30px;
    height: 30px;
    border: none;
    cursor: pointer;
}

ul.option {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

ul.option li {
    text-align: center;
    cursor: pointer;
    transition: transform 0.2s ease;
    font-size: 12px;
}

ul.option li:hover {
    transform: scale(1.1);
}

ul.option img {
    width: 30px;
    height: 30px;
}

.buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.buttons button {
    padding: 5px 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    background-color: #007bff;
    color: #fff;
    font-size: 12px;
    font-weight: bold;
    transition: background-color 0.2s ease;
}

.buttons button:hover {
    background-color: #0056b3;
}

.drawing-board {
    flex: 1;
    margin: 0;
    padding: 0;
    background-color: #fff;
}