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

body {
    font-family: 'Arial', sans-serif;
    background: #000;
    color: #fff;
    overflow: hidden;
    height: 100vh;
}

.container {
    position: relative;
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#hallwayCanvas {
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, #1a1a2e 0%, #0f0f1e 100%);
    display: block;
}

.top-buttons {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
    z-index: 10;
}

.top-btn {
    padding: 10px 20px;
    font-size: 14px;
    background: #1a1a2e;
    border: 2px solid #4a90e2;
}

.top-btn:hover {
    background: #2c2c54;
    border-color: #357abd;
}

.controls {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

button {
    padding: 12px 24px;
    font-size: 16px;
    font-weight: bold;
    background: #4a90e2;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

button:hover {
    background: #357abd;
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.4);
}

button:active {
    transform: translateY(0);
}

.info {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 10;
    background: rgba(0, 0, 0, 0.7);
    padding: 20px 30px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.info h1 {
    font-size: 32px;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

.info p {
    font-size: 16px;
    opacity: 0.9;
}

#caAddress {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: #4a90e2;
}