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

body {
    background: #000;
    color: #eee;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    min-height: 100vh;
    overflow: hidden;
}

#stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

#app {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.audio-prompt {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
    background: rgba(0, 0, 0, 0.8);
    transition: opacity 0.6s ease;
}

.audio-prompt.hidden {
    opacity: 0;
    pointer-events: none;
}

.enter-btn {
    font-family: inherit;
    font-size: 1.5rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #fff;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 1rem 3rem;
    cursor: pointer;
    transition: border-color 0.3s ease, text-shadow 0.3s ease;
}

.enter-btn:hover {
    border-color: rgba(255, 255, 255, 0.8);
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

.arcade-content {
    position: relative;
    z-index: 2;
    opacity: 0;
    transition: opacity 0.8s ease 0.3s;
    pointer-events: none;
}

.arcade-content.visible {
    opacity: 1;
    pointer-events: auto;
}

.game-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
}

.game-tile {
    width: 220px;
    height: 220px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    color: #eee;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
    background: rgba(255, 255, 255, 0.03);
}

.game-tile:hover {
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.08);
    transform: scale(1.03);
}

.tile-inner {
    text-align: center;
}

.tile-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 200;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.25);
    margin-bottom: 0.5rem;
}

.tile-name {
    display: block;
    font-size: 1.1rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}