body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #000;
    font-family: 'Courier New', Courier, monospace;
}

#canvas-container {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
}

#ui-panel {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 280px;
    background: rgba(0, 20, 40, 0.7);
    border: 1px solid rgba(0, 255, 255, 0.3);
    backdrop-filter: blur(5px);
    padding: 15px;
    color: #0ff;
    z-index: 10;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.1);
    border-radius: 4px;
    pointer-events: none; /* Allow clicking through panel but buttons need pointer-events auto */
}

.panel-header {
    margin-bottom: 15px;
}

.panel-title {
    font-size: 14px;
    font-weight: bold;
    letter-spacing: 2px;
    text-shadow: 0 0 5px #0ff;
}

.panel-line {
    height: 1px;
    background: linear-gradient(90deg, #0ff, transparent);
    margin-top: 5px;
}

.panel-content {
    margin-bottom: 15px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 12px;
}

.label {
    color: rgba(0, 255, 255, 0.7);
}

.value {
    font-weight: bold;
    text-shadow: 0 0 3px #0ff;
}

.panel-controls {
    pointer-events: auto;
    text-align: center;
}

.holo-btn {
    background: transparent;
    border: 1px solid #0ff;
    color: #0ff;
    padding: 8px 16px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 0 5px rgba(0, 255, 255, 0.2);
}

.holo-btn:hover {
    background: rgba(0, 255, 255, 0.2);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
}

.holo-btn:active {
    background: rgba(0, 255, 255, 0.4);
}

.panel-footer {
    margin-top: 10px;
    position: relative;
}

.corner-deco {
    width: 10px;
    height: 10px;
    border-bottom: 2px solid #0ff;
    border-right: 2px solid #0ff;
    position: absolute;
    bottom: -5px;
    right: -5px;
}