.game-header .score,
.game-header .timer {
    display: none;
}

.tetris-container {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    justify-content: center;
    padding: 20px;
}

.tetris-board {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.tetris-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 1px;
    background: rgba(255, 255, 255, 0.02);
    border: 3px solid var(--accent-gold);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    overflow: hidden;
}

.tetris-cell {
    width: 28px;
    height: 28px;
}

.tetris-cell.empty {
    background: rgba(255, 255, 255, 0.04);
}

.tetris-cell.filled {
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 2px;
}

.tetris-cell.ghost {
    background: rgba(160, 160, 160, 0.15);
    border: 1px solid rgba(160, 160, 160, 0.35);
    border-radius: 2px;
}

.tetris-cell.flash {
    background-color: #ffffff !important;
    border-color: #ffffff !important;
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 2px;
}

.tetris-side {
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 130px;
}

.tetris-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.tetris-stat-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    font-weight: 600;
}

.tetris-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-gold);
    font-variant-numeric: tabular-nums;
}

.tetris-next {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.tetris-next-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    font-weight: 600;
}

.tetris-next-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: rgba(255, 255, 255, 0.04);
    border: 2px solid var(--accent-gold);
    border-radius: 6px;
    padding: 4px;
    overflow: hidden;
}

.tetris-next-cell {
    width: 20px;
    height: 20px;
}

.tetris-next-cell.filled {
    border-radius: 2px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.tetris-next-cell.empty {
    background: rgba(255, 255, 255, 0.02);
}

#pause-btn {
    min-width: 100px;
}

.tetris-pause-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10;
    border-radius: 6px;
}

.tetris-pause-overlay.show {
    display: flex;
}

.tetris-pause-text {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.win-message .final-time {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.win-message .final-score {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-gold);
    margin-bottom: 5px;
}

.tetris-gameover-stats {
    margin: 16px 0;
}

.tetris-gameover-stats p {
    margin: 6px 0;
    font-size: 1rem;
}

.tetris-gameover-stats .stat-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.tetris-gameover-stats .stat-value {
    color: var(--accent-gold);
    font-weight: 700;
    font-size: 1.2rem;
    font-variant-numeric: tabular-nums;
}

.tetris-mobile-controls {
    display: none;
}

.tetris-mobile-row {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.tetris-touch-btn {
    width: 56px;
    height: 56px;
    border: 2px solid var(--accent-gold);
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    font-size: 1.4rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    touch-action: manipulation;
}

.tetris-touch-btn:active,
.tetris-touch-btn.active {
    background: rgba(212, 175, 55, 0.25);
}

.tetris-touch-btn-wide {
    width: 80px;
}

@media (max-width: 768px) {
    .game-board {
        margin-left: 0;
        margin-right: 0;
        padding-left: 5px;
        padding-right: 5px;
    }

    .tetris-container {
        gap: 12px;
        padding: 10px;
    }

    .tetris-cell {
        width: 22px;
        height: 22px;
    }

    .tetris-next-cell {
        width: 16px;
        height: 16px;
    }

    .tetris-side {
        min-width: 90px;
    }

    .tetris-stat-value {
        font-size: 1.2rem;
    }

    .tetris-mobile-controls {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 8px;
        margin-top: 12px;
    }
}

@media (max-width: 500px) {
    .tetris-container {
        flex-direction: column;
        align-items: center;
    }

    .tetris-side {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
        min-width: auto;
    }

    .tetris-stat {
        flex-direction: row;
        gap: 6px;
    }

    .tetris-cell {
        width: 18px;
        height: 18px;
    }

    .tetris-touch-btn {
        width: 48px;
        height: 48px;
        font-size: 1.2rem;
    }

    .tetris-touch-btn-wide {
        width: 70px;
    }
}

.tetris-controls-hint {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.75rem;
}

.tetris-hint-key {
    display: flex;
    align-items: center;
    gap: 4px;
}

.tetris-hint-key kbd {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 3px;
    padding: 1px 5px;
    font-family: var(--font-family);
    font-size: 0.7rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.tetris-hint-key span {
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .tetris-controls-hint {
        display: none;
    }
}