.arcade-body {
    background:
        radial-gradient(circle at top, rgba(136, 196, 255, 0.18), transparent 35%),
        linear-gradient(180deg, #09111b 0%, #0d1724 32%, #15273a 100%);
}

.arcade-shell {
    padding-bottom: 4rem;
}

.arcade-hero {
    max-width: 720px;
}

.arcade-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(260px, 0.8fr);
    gap: 1.5rem;
    align-items: start;
}

.arcade-panel {
    background: linear-gradient(180deg, rgba(20, 32, 47, 0.92), rgba(10, 19, 30, 0.97));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    padding: 1.25rem;
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.22);
}

.hud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-bottom: 1rem;
}

.hud-stat {
    min-width: 110px;
    padding: 0.75rem 0.9rem;
    border-radius: 14px;
    background-color: rgba(127, 194, 255, 0.1);
    border: 1px solid rgba(127, 194, 255, 0.14);
}

.hud-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: #9ecfff;
    margin-bottom: 0.25rem;
}

.canvas-wrap {
    position: relative;
}

#ski-game {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    border-radius: 16px;
    background: linear-gradient(180deg, #eef8ff 0%, #d7edff 100%);
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.06);
}

.overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: rgba(7, 14, 22, 0.42);
    border-radius: 16px;
}

.overlay.is-hidden {
    display: none;
}

.overlay-card {
    max-width: 360px;
    text-align: center;
    padding: 1.5rem;
    border-radius: 18px;
    background: rgba(10, 19, 30, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.overlay-card h2 {
    margin-bottom: 0.75rem;
}

.overlay-hint {
    margin-top: 1rem;
    color: #cde7ff;
}

.arcade-panel--info h2 {
    margin-bottom: 0.8rem;
}

.arcade-panel--info .feature-list {
    margin-bottom: 1.5rem;
}

#restart-button {
    width: 100%;
}

@media (max-width: 900px) {
    .arcade-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hud {
        gap: 0.7rem;
    }

    .hud-stat {
        flex: 1 1 100px;
    }

    .arcade-panel {
        padding: 1rem;
    }
}