body {
    margin: 0;
    padding: 0;
    background: #111;
    color: #fff;
    font-family: 'Orbitron', 'Segoe UI', sans-serif;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

#game-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    max-width: 1280px;
    max-height: 720px;
    box-shadow: 0 0 50px rgba(0,0,0,0.5);
    background: #222;
}

canvas {
    width: 100%;
    height: 100%;
    display: block;
    background: #333;
}

#ui {
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
    z-index: 10;
}

.stat-box {
    background: rgba(0, 0, 0, 0.7);
    padding: 10px 20px;
    border-left: 4px solid #ff0055;
    text-align: center;
    min-width: 100px;
}

.label {
    font-size: 12px;
    color: #aaa;
    margin-bottom: 5px;
}

.value {
    font-size: 24px;
    font-weight: bold;
    color: #fff;
    font-family: monospace;
}

.unit {
    font-size: 10px;
    color: #ff0055;
}

#overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.85);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 20;
    text-align: center;
}

#overlay-title {
    font-size: 64px;
    font-style: italic;
    color: #fff;
    text-shadow: 4px 4px #ff0055;
    margin-bottom: 20px;
}

#overlay-msg {
    font-size: 18px;
    margin-bottom: 30px;
    color: #ccc;
}

#start-btn {
    padding: 15px 40px;
    font-size: 20px;
    font-weight: bold;
    color: #fff;
    background: #ff0055;
    border: none;
    cursor: pointer;
    transition: 0.2s;
    text-transform: uppercase;
}

#start-btn:hover {
    background: #ff3377;
    transform: scale(1.1);
}