#game-root .kn-shell {
    --kn-amber: #e6a745;
    --kn-cream: #f4ecd9;
    --kn-dim: #9fb8a8;
    --kn-teal: #57d9c4;
    position: relative;
    width: min(100%, 720px);
    margin: 0 auto;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    border: 1px solid rgba(230, 167, 69, 0.3);
    border-radius: 14px;
    background: radial-gradient(120% 70% at 50% 0%, rgba(87, 217, 196, 0.1), transparent 60%), linear-gradient(180deg, #0d2a20, #05130e);
    color: var(--kn-cream);
    font-family: Inter, Arial, sans-serif;
    box-shadow: 0 16px 34px rgba(4, 16, 12, 0.4);
}

#game-root .kn-shell *,
#game-root .kn-shell *::before,
#game-root .kn-shell *::after {
    box-sizing: border-box;
}

#game-root .kn-top,
#game-root .kn-stats,
#game-root .kn-actions,
#game-root .kn-under,
#game-root .kn-seg,
#game-root .kn-end-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

#game-root .kn-top {
    justify-content: space-between;
    flex-wrap: nowrap;
}

#game-root .kn-stats {
    min-width: 0;
    flex: 1 1 auto;
}

#game-root .kn-stat {
    min-width: 0;
    padding: 4px 9px;
    border: 1px solid rgba(244, 236, 217, 0.16);
    border-radius: 9px;
    background: rgba(244, 236, 217, 0.06);
    text-align: center;
}

#game-root .kn-stat span {
    display: block;
    color: var(--kn-dim);
    font-size: 0.58rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    white-space: nowrap;
}

#game-root .kn-stat strong {
    display: block;
    font-size: 1.05rem;
    line-height: 1.15;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

#game-root .kn-btn {
    min-height: 44px;
    min-width: 44px;
    padding: 0 12px;
    border: 1px solid rgba(244, 236, 217, 0.2);
    border-radius: 10px;
    background: rgba(244, 236, 217, 0.08);
    color: var(--kn-cream);
    font: inherit;
    font-weight: 800;
    cursor: pointer;
    transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

#game-root .kn-btn:hover:not(:disabled) {
    background: rgba(244, 236, 217, 0.16);
}

#game-root .kn-btn:active:not(:disabled) {
    transform: scale(0.96);
}

#game-root .kn-btn:disabled {
    opacity: 0.35;
    cursor: default;
}

#game-root .kn-btn:focus-visible,
#game-root .kn-canvas:focus-visible {
    outline: 3px solid var(--kn-teal);
    outline-offset: 2px;
}

#game-root .kn-ic {
    padding: 0;
    display: inline-grid;
    place-items: center;
    font-size: 1.15rem;
}

#game-root .kn-ic svg {
    width: 22px;
    height: 22px;
}

#game-root .kn-key {
    flex: 1 1 0;
}

#game-root .kn-go {
    border-color: var(--kn-amber);
    background: linear-gradient(180deg, #f0b955, #c98a26);
    color: #1c1305;
}

#game-root .kn-go:hover:not(:disabled) {
    background: linear-gradient(180deg, #f6c56a, #d79532);
}

#game-root .kn-stage {
    position: relative;
    width: min(100%, calc(100dvh - 250px));
    min-width: 280px;
    margin: 0 auto;
    aspect-ratio: 1;
}

#game-root .kn-canvas {
    display: block;
    width: 100%;
    aspect-ratio: 1;
    border-radius: 12px;
    background: #0a2a20;
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.5);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    cursor: pointer;
}

#game-root .kn-end {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px;
    border-radius: 12px;
    background: rgba(4, 16, 12, 0.82);
    backdrop-filter: blur(3px);
    text-align: center;
    animation: kn-in 260ms ease-out;
}

#game-root .kn-end[hidden] {
    display: none;
}

#game-root .kn-end-tag {
    color: #ff9d92;
    font-size: 0.8rem;
    font-weight: 900;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

#game-root .kn-end[data-win="1"] .kn-end-tag {
    color: #ffd166;
}

#game-root .kn-end strong {
    font-size: clamp(2rem, 9vw, 3.2rem);
    line-height: 1;
}

#game-root .kn-end p {
    margin: 0;
    color: var(--kn-dim);
    font-size: 0.95rem;
}

#game-root .kn-end-actions {
    width: min(100%, 320px);
    margin-top: 6px;
}

#game-root .kn-status {
    min-height: 1.4em;
    text-align: center;
    color: var(--kn-dim);
    font-size: 0.92rem;
    font-weight: 600;
}

#game-root .kn-shell[data-turn="shell"] .kn-status {
    color: #8bd8ff;
}

#game-root .kn-under {
    justify-content: center;
}

#game-root .kn-seg {
    gap: 0;
    flex: 1 1 0;
}

#game-root .kn-segb {
    flex: 1 1 0;
    border-radius: 0;
}

#game-root .kn-segb:first-child {
    border-radius: 10px 0 0 10px;
}

#game-root .kn-segb:last-child {
    border-radius: 0 10px 10px 0;
}

#game-root .kn-segb[aria-pressed="true"] {
    border-color: var(--kn-teal);
    background: rgba(87, 217, 196, 0.22);
    color: #eafff9;
}

#game-root .kn-overlay {
    position: absolute;
    inset: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    border-radius: 14px;
    background: rgba(2, 10, 7, 0.86);
}

#game-root .kn-overlay[hidden] {
    display: none;
}

#game-root .kn-dialog {
    position: relative;
    width: min(100%, 460px);
    padding: 20px 18px 16px;
    border: 1px solid rgba(230, 167, 69, 0.4);
    border-radius: 14px;
    background: #0d2a20;
}

#game-root .kn-dialog h2 {
    margin: 0 0 8px;
    font-size: 1.3rem;
}

#game-root .kn-dialog ul {
    margin: 0;
    padding-left: 18px;
    display: grid;
    gap: 6px;
    font-size: 0.92rem;
    line-height: 1.4;
}

#game-root .kn-close {
    position: absolute;
    top: 6px;
    right: 6px;
}

@keyframes kn-in {
    from { opacity: 0; transform: scale(0.96); }
    to { opacity: 1; transform: none; }
}

@media (max-width: 480px) {
    #game-root .kn-shell {
        padding: 8px;
        border-radius: 12px;
    }

    #game-root .kn-stat {
        padding: 3px 6px;
    }

    #game-root .kn-btn {
        padding: 0 8px;
    }

    #game-root .kn-actions {
        gap: 4px;
    }

    #game-root .kn-stage {
        min-width: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    #game-root .kn-end {
        animation: none;
    }
}