.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background:  rgba(55, 4, 106, 0.2);
    gap: 20px;
}

.overlay h1 {
    font-size: clamp(28px, 6vw, 56px);
    color: var(--primary, #00fff2);
    letter-spacing: 6px;
    text-shadow: 0 0 20px var(--primary, #00fff2);
}

.overlay h2 {
    font-size: clamp(24px, 5vw, 44px);
    letter-spacing: 4px;
}

.overlay h2.victory {
    color: var(--primary, #00fff2);
    text-shadow: 0 0 20px var(--primary, #00fff2);
}

.overlay h2.defeat {
    color: #ff4444;
    text-shadow: 0 0 20px #ff4444;
}

.overlay p {
    font-size: clamp(11px, 2vw, 16px);
    color: var(--text-dim, #8888aa);
    text-align: center;
    letter-spacing: 2px;
    line-height: 1.8;
}

.overlay .stats {
    color: var(--text, #e0e0ff);
    font-size: clamp(10px, 1.5vw, 14px);
}

#theme-selector {
    display: flex;
    gap: 12px;
    margin: 10px 0;
}

.theme-btn {
    background: var(--btn-bg, rgba(0, 255, 242, 0.15));
    color: var(--btn-text, #00fff2);
    border: 1px solid var(--border, rgba(0, 255, 242, 0.15));
    padding: 10px 22px;
    font-family: inherit;
    font-size: clamp(10px, 1.5vw, 13px);
    letter-spacing: 2px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s;
}

.theme-btn:hover {
    background: var(--btn-hover, rgba(0, 255, 242, 0.3));
}

.theme-btn.active {
    background: var(--primary, #00fff2);
    color: var(--bg, #0a0a1a);
    font-weight: 700;
}

#start-btn, #restart-btn, #respawn-btn {
    background: var(--primary, #00fff2);
    color: var(--bg, #0a0a1a);
    border: none;
    padding: 14px 44px;
    font-family: inherit;
    font-size: clamp(12px, 2vw, 18px);
    font-weight: 700;
    letter-spacing: 4px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s;
    margin-top: 10px;
}

#start-btn:hover, #restart-btn:hover, #respawn-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px var(--primary, #00fff2);
}

#restart-btn {
    background: var(--btn-bg, rgba(0, 255, 242, 0.15));
    color: var(--btn-text, #00fff2);
    border: 1px solid var(--border, rgba(0, 255, 242, 0.15));
    font-size: clamp(10px, 1.5vw, 13px);
    padding: 10px 30px;
    letter-spacing: 2px;
}

#gameover-overlay {
    background: rgba(5, 5, 16, 0.3);
}

.controls-hint {
    font-size: clamp(9px, 1.2vw, 11px);
    color: var(--text-dim, #8888aa);
    letter-spacing: 1px;
}

@media (max-width: 600px) {
    #theme-selector {
        flex-direction: column;
        gap: 8px;
    }

    .theme-btn {
        padding: 8px 16px;
    }
}