/* Jstris-inspired Tetris layout */
.tetris-page .page-shell {
    width: min(1120px, calc(100% - 1.25rem));
}

.tetris-shell {
    display: grid;
    gap: 1rem;
}

.tetris-topbar {
    display: grid;
    grid-template-columns: minmax(120px, 1fr) auto minmax(120px, 1fr);
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0.9rem;
}

.tetris-brand h1 {
    margin: 0.1rem 0 0;
    font-size: clamp(1.45rem, 3vw, 2rem);
    letter-spacing: -0.055em;
}

.tetris-modebar,
.tetris-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.45rem;
}

.tetris-actions {
    justify-content: flex-end;
}

.tetris-mode {
    border: 1px solid rgba(121, 212, 255, 0.22);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.055);
    color: var(--text);
    padding: 0.48rem 0.78rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.tetris-mode.is-active {
    border-color: rgba(255, 156, 82, 0.65);
    background: linear-gradient(135deg, rgba(255, 156, 82, 0.34), rgba(121, 212, 255, 0.14));
    box-shadow: 0 0 24px rgba(255, 156, 82, 0.18);
}

.tetris-jstris-layout {
    display: grid;
    grid-template-columns: 150px 340px 150px;
    gap: 1rem;
    align-items: start;
    justify-content: center;
}

.tetris-rail {
    display: grid;
    gap: 0.8rem;
}

.tetris-panel {
    padding: 0.85rem;
}

.tetris-panel .panel-title {
    margin-bottom: 0.55rem;
    text-align: center;
    letter-spacing: 0.08em;
}

.tetris-board-panel {
    position: relative;
    display: grid;
    place-items: center;
    padding: 1rem;
    overflow: hidden;
}

.tetris-board-panel::before {
    content: "";
    position: absolute;
    inset: -30% auto auto -20%;
    width: 18rem;
    height: 18rem;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(121, 212, 255, 0.18), transparent 66%);
    pointer-events: none;
}

.tetris-board {
    position: relative;
    z-index: 1;
    width: 300px;
    height: 600px;
    border: 2px solid rgba(121, 212, 255, 0.34);
    border-radius: 8px;
    background: #050914;
    image-rendering: crisp-edges;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05), 0 24px 60px rgba(0, 0, 0, 0.38);
}

.tetris-overlay {
    position: absolute;
    z-index: 2;
    inset: 1rem;
    display: grid;
    place-content: center;
    gap: 0.35rem;
    text-align: center;
    border-radius: 8px;
    background: rgba(5, 9, 20, 0.68);
    backdrop-filter: blur(8px);
    color: var(--text);
}

.tetris-overlay[hidden] {
    display: none;
}

.tetris-overlay strong {
    font-size: clamp(2.2rem, 7vw, 4.2rem);
    letter-spacing: -0.06em;
}

.tetris-overlay span {
    color: var(--muted);
}

.tetris-preview {
    display: block;
    width: 110px;
    margin: 0 auto;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    background: rgba(5, 9, 20, 0.92);
    image-rendering: crisp-edges;
}

.tetris-hold {
    height: 110px;
}

.tetris-next {
    height: 440px;
}

.tetris-mini-stats {
    padding: 0.75rem;
}

.tetris-stat-grid {
    display: grid;
    gap: 0.5rem;
}

.tetris-stat-grid-mini {
    grid-template-columns: 1fr;
}

.tetris-stat {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.65rem;
    min-height: auto;
    padding: 0.48rem 0.58rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.045);
}

.tetris-stat span {
    color: var(--muted);
    font-size: 0.66rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tetris-stat strong {
    font-family: var(--font-mono, ui-monospace, monospace);
    font-size: 0.96rem;
    font-variant-numeric: tabular-nums;
}

.tetris-modal-content {
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(14, 27, 46, 0.98), rgba(8, 16, 28, 0.94));
    color: var(--text);
    box-shadow: var(--shadow);
}

.tetris-modal-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.tetris-modal-body {
    display: grid;
    gap: 0.8rem;
}

.tetris-setting-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.045);
}

.tetris-setting-row span {
    color: var(--muted);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tetris-setting-row strong {
    font-family: var(--font-mono, ui-monospace, monospace);
}

.tetris-key-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
    color: var(--muted);
    font-size: 0.9rem;
}

.tetris-key-grid span {
    padding: 0.65rem;
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.035);
}

.tetris-key-grid kbd {
    margin-right: 0.28rem;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 7px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
    box-shadow: none;
}

@media (max-width: 980px) {
    .tetris-topbar {
        grid-template-columns: 1fr;
    }

    .tetris-modebar,
    .tetris-actions {
        justify-content: flex-start;
    }

    .tetris-jstris-layout {
        grid-template-columns: 140px 320px 140px;
        gap: 0.8rem;
    }

    .tetris-board {
        width: 300px;
        height: 600px;
    }
}

@media (max-width: 760px) {
    .tetris-jstris-layout {
        grid-template-columns: 1fr;
        justify-items: center;
    }

    .tetris-rail {
        width: min(320px, 100%);
    }

    .tetris-left-rail {
        order: 2;
    }

    .tetris-board-panel {
        order: 1;
    }

    .tetris-right-rail {
        order: 3;
    }

    .tetris-stat-grid-mini {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .tetris-key-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 380px) {
    .tetris-board {
        width: 280px;
        height: 560px;
    }
}