/* Project: Neon Sky Ace | Created by Jay | AI City Builders & Connect AI LAB */

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

body {
    overflow: hidden;
    background-color: #000;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#ui {
    position: absolute;
    top: 20px;
    left: 20px;
    color: #0ff;
    font-size: 24px;
    text-shadow: 0 0 10px #0ff;
    pointer-events: none;
    z-index: 10;
}

#footer {
    position: absolute;
    bottom: 10px;
    width: 100%;
    text-align: center;
    color: rgba(0, 255, 255, 0.5);
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    pointer-events: none;
    z-index: 10;
}

#game-over {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #ff0055;
    font-size: 48px;
    text-shadow: 0 0 20px #ff0055, 0 0 40px #ff0055;
    text-align: center;
    z-index: 20;
    pointer-events: none;
}

#game-over .restart-hint {
    font-size: 18px;
    color: #0ff;
    margin-top: 20px;
    text-shadow: 0 0 10px #0ff;
}

/* 홈 버튼 스타일 - 가시성 강화 */
.home-button {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    background: rgba(0, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(0, 255, 255, 0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 24px;
    color: #0ff;
    z-index: 9999;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
}

.home-button:hover {
    background: rgba(0, 255, 255, 0.4);
    transform: scale(1.15) rotate(-5deg);
    box-shadow: 0 0 25px rgba(0, 255, 255, 0.6);
    border-color: #fff;
}