body {
    margin: 0;
    overflow: hidden;
    background: black;
    font-family: Arial, sans-serif;
}

#container {
    width: 100vw;
    height: 100vh;
    position: relative;
}

#canvas-container {
    width: 100%;
    height: 100%;
}

canvas {
    width: 100%;
    height: 100%;
}

#ui {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
}

button {
    background: transparent;
    color: white;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
}

button:hover {
    background: rgba(255, 255, 255, 0.1);
}

.mode-buttons {
    display: flex;
    gap: 20px;
}

.mode-button {
    opacity: 0.7;
}

.mode-button.active {
    opacity: 1;
    border-bottom: 2px solid white;
}

.screenshot-button {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
}

.screenshot-button:hover {
    background: rgba(255, 255, 255, 0.2);
}