* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    padding: 20px;
    background-color: #f5f5f5;
}

.container {
    display: flex;
    gap: 20px;
    max-width: 1800px;
    margin: 0 auto;
}

.settings-panel {
    flex: 0 0 300px;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    height: fit-content;
}

h2 {
    margin-bottom: 20px;
    color: #333;
}

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

label {
    display: block;
    margin-bottom: 5px;
    color: #666;
}

input[type="number"] {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.display-options {
    margin: 20px 0;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 4px;
    border: 1px solid #e9ecef;
}

.display-options h3 {
    color: #333;
    margin-bottom: 10px;
    font-size: 16px;
}

.checkbox-group {
    margin: 10px 0;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    margin-right: 8px;
}

button {
    width: 100%;
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
    margin-bottom: 20px;
}

button:hover {
    background-color: #45a049;
}

.canvas-container {
    flex: 1;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
}

.canvas-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.canvas-controls button {
    width: 40px;
    height: 40px;
    margin: 0;
    font-size: 20px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.canvas-wrapper {
    flex: 1;
    overflow: auto;
    border: 1px solid #ddd;
    background-color: #fff;
    position: relative;
}

#roomCanvas {
    display: block;
    background-color: #fff;
}

.capacity-info {
    margin-top: 20px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 4px;
    border: 1px solid #e9ecef;
}

.capacity-info h3 {
    color: #333;
    margin-bottom: 10px;
    font-size: 16px;
}

.capacity-info p {
    margin-bottom: 8px;
    color: #666;
    font-size: 14px;
}

.capacity-info span {
    color: #4CAF50;
    font-weight: bold;
}

.button-group {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.button-group button {
    margin: 0;
    flex: 1;
}

.generate-btn {
    background-color: #4CAF50;
}

.reset-btn {
    background-color: #f44336;
}

.reset-btn:hover {
    background-color: #da190b;
}