body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #111;
    color: #eee;
    display: flex;
    overflow: hidden;
}

#renderer-container {
    flex-grow: 1;
    height: 100vh;
}

#control-panel {
    width: 380px;
    height: 100vh;
    overflow-y: auto;
    background-color: #1a1a1a;
    padding: 15px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}

.panel-section {
    background-color: #282828;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
}

h3 {
    margin-top: 0;
    color: #4ef;
    border-bottom: 1px solid #444;
    padding-bottom: 5px;
}

button {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    background-color: #007AFF;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 10px;
    transition: background-color 0.2s;
}

button:hover:not(:disabled) {
    background-color: #0056b3;
}

button:disabled {
    background-color: #555;
    cursor: not-allowed;
}

.status-info {
    padding: 10px;
    background-color: #333;
    border-radius: 5px;
    text-align: center;
    font-weight: bold;
}

.status-error {
    background-color: #800;
    color: #fff;
}

pre {
    background: #1e1e1e;
    padding: 10px;
    border-radius: 5px;
    font-family: "SF Mono", "Courier New", monospace;
    font-size: 12px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.chart-container {
    flex-shrink: 0;
}