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

body {
    background: #1a1a2e;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#game-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

#game-canvas {
    border: 2px solid #444;
    border-radius: 4px;
    background: #2d2d44;
}

#ui {
    display: flex;
    gap: 24px;
    align-items: center;
}

#info-panel {
    display: flex;
    gap: 24px;
    color: #fff;
    font-size: 16px;
}

#player-count {
    color: #4a9eff;
}

#enemy-count {
    color: #ff6b6b;
}

button {
    padding: 12px 24px;
    font-size: 16px;
    font-weight: bold;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

#start-btn {
    background: #4a9eff;
    color: white;
}

#start-btn:disabled {
    background: #555;
    cursor: not-allowed;
}

#start-btn:not(:disabled):hover {
    background: #3a8eef;
}

#restart-btn {
    background: #4ade80;
    color: white;
}

#restart-btn:hover {
    background: #3acd70;
}