/* ============================================================
   BELAJAR MAHJONG · styles
   Extends the Fu Wang site (style.css) — same tokens, same type.
   ============================================================ */

/* ── Page frame ─────────────────────────────────────── */

[hidden] {
    display: none !important;
}

.bm-page {
    --tile-w: 46px;
    --tile-h: 64px;
    --tile-gap: 4px;
    --ivory: #f4efe4;
    --ivory-2: #e4dccc;
    --ivory-side: #cdc3ae;
    --felt: #16332c;
    --ink: #1b1a17;
}

.bm-wrap {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px 120px;
}

/* ── Intro ──────────────────────────────────────────── */

.bm-intro {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-top: 120px;
}

.bm-intro h1 {
    font-size: clamp(3rem, 11vw, 8rem);
    font-weight: 900;
    line-height: 0.92;
    letter-spacing: -0.04em;
    text-wrap: balance;
}

.bm-intro h1 em {
    display: block;
    font-style: normal;
    color: var(--gold);
}

.bm-intro .lede {
    max-width: 460px;
    margin: 28px auto 0;
    color: var(--muted);
    font-size: 1.05rem;
    text-wrap: pretty;
}

.bm-intro .lede b {
    color: var(--text);
    font-weight: 500;
}

.bm-start {
    margin-top: 44px;
    padding: 20px 56px;
    font-size: 1.05rem;
    letter-spacing: 0.08em;
}

.bm-scrollhint {
    margin-top: 60px;
    color: rgba(255, 255, 255, 0.28);
    font-size: 0.8rem;
    letter-spacing: 0.18em;
}

/* ── Progress rail ──────────────────────────────────── */

.bm-progress {
    position: sticky;
    top: 80px;
    z-index: 900;
    background: rgba(11, 12, 16, 0.92);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
}

.bm-progress-inner {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 14px 24px;
    max-width: 1080px;
    margin: 0 auto;
}

.bm-progress-label {
    font-size: 0.68rem;
    letter-spacing: 0.22em;
    color: var(--muted);
    white-space: nowrap;
}

.bm-progress-dots {
    display: flex;
    gap: 6px;
    flex: 1;
}

.bm-dot {
    flex: 1;
    height: 3px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.1);
    transition: background 0.4s;
}

.bm-dot.done {
    background: var(--gold);
}

.bm-dot.now {
    background: var(--primary);
    box-shadow: 0 0 12px rgba(230, 57, 70, 0.6);
}

.bm-progress-count {
    font-size: 0.75rem;
    color: var(--muted);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

/* ── Lesson step ────────────────────────────────────── */

.bm-step {
    padding: 90px 0 40px;
}

.bm-step-head {
    margin-bottom: 44px;
}

.bm-step-num {
    display: inline-block;
    font-size: 0.7rem;
    letter-spacing: 0.26em;
    color: var(--gold);
    margin-bottom: 14px;
}

.bm-step-head h2 {
    font-size: clamp(2rem, 5vw, 3.4rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1.02;
    text-wrap: balance;
}

.bm-step-head h2 em {
    font-style: normal;
    color: var(--gold);
}

.bm-step-head p {
    margin-top: 16px;
    max-width: 620px;
    color: var(--muted);
    font-size: 1.05rem;
    text-wrap: pretty;
}

.bm-step-head p b {
    color: var(--text);
    font-weight: 500;
}

/* ── Tile ───────────────────────────────────────────── */

.mj {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    width: var(--tile-w);
    height: var(--tile-h);
    flex: 0 0 auto;
    border-radius: 6px;
    background: linear-gradient(175deg, var(--ivory) 0%, var(--ivory-2) 82%, var(--ivory-side) 100%);
    box-shadow: inset 0 -5px 0 rgba(0, 0, 0, 0.13), 0 2px 6px rgba(0, 0, 0, 0.45);
    color: var(--ink);
    user-select: none;
    position: relative;
    line-height: 1;
}

.mj-face {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1px;
}

.mj-num {
    font-size: 1.65rem;
    font-weight: 900;
    line-height: 1;
}

.mj-suit {
    font-size: 0.85rem;
    font-weight: 700;
    line-height: 1;
    opacity: 0.72;
}

.mj-char {
    font-size: 1.75rem;
    font-weight: 500;
    line-height: 1;
}

.mj-red {
    color: #b3271f;
}

.mj-blue {
    color: #1f4c86;
}

.mj-green {
    color: #1c6b4a;
}

.mj-dragon .mj-char {
    color: #b3271f;
}

.mj-wind .mj-char {
    color: #1b1a17;
}

.mj-wind .mj-char::after {
    content: '';
}

.mj-sm {
    --tile-w: 34px;
    --tile-h: 47px;
}

.mj-sm .mj-num {
    font-size: 1.15rem;
}

.mj-sm .mj-suit {
    font-size: 0.62rem;
}

.mj-sm .mj-char {
    font-size: 1.2rem;
}

.mj-lg {
    --tile-w: 58px;
    --tile-h: 81px;
}

.mj-lg .mj-num {
    font-size: 2.05rem;
}

.mj-lg .mj-suit {
    font-size: 1.05rem;
}

.mj-lg .mj-char {
    font-size: 2.2rem;
}

.mj-xl {
    --tile-w: 68px;
    --tile-h: 95px;
}

.mj-xl .mj-num {
    font-size: 2.5rem;
}

.mj-xl .mj-suit {
    font-size: 1.2rem;
}

.mj-xl .mj-char {
    font-size: 2.6rem;
}

/* Green dragon 發 rendered blue like most real sets, white dragon framed */
.mj-whiteframe {
    box-shadow: inset 0 -5px 0 rgba(0, 0, 0, 0.13), inset 0 0 0 2px #7a6a4a, 0 2px 6px rgba(0, 0, 0, 0.45);
}

.mj-whiteframe .mj-char {
    color: transparent;
    position: relative;
}

.mj-whiteframe .mj-char::before {
    content: '';
    position: absolute;
    inset: 22% 20%;
    border: 2px solid #1b1a17;
    border-radius: 2px;
}

/* Ghost / disabled tile */
.mj-ghost {
    opacity: 0.28;
    filter: saturate(0.4);
}

.mj-slot {
    background: rgba(255, 255, 255, 0.03);
    border: 1px dashed rgba(255, 255, 255, 0.13);
    box-shadow: none;
}

/* Clickable tile */
button.mj {
    cursor: pointer;
    border: none;
    font-family: inherit;
    transition: transform 0.18s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.18s;
}

button.mj:hover {
    transform: translateY(-6px);
    box-shadow: inset 0 -5px 0 rgba(0, 0, 0, 0.13), 0 10px 20px rgba(0, 0, 0, 0.5);
}

button.mj:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 3px;
}

button.mj:disabled {
    cursor: not-allowed;
    opacity: 0.25;
    filter: saturate(0.3);
}

button.mj:disabled:hover {
    transform: none;
}

/* Selected state during drills */
.mj-picked {
    transform: translateY(-10px);
    box-shadow: inset 0 -5px 0 rgba(0, 0, 0, 0.13), 0 0 0 3px var(--gold), 0 12px 26px rgba(229, 192, 123, 0.32);
}

.mj-reject {
    animation: mj-shake 0.36s;
}

@keyframes mj-shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-7px);
    }

    75% {
        transform: translateX(7px);
    }
}

/* ── Felt stage (any tile layout on green baize) ────── */

.bm-felt {
    background: var(--felt);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.07);
    padding: 44px 32px;
    display: flex;
    flex-wrap: wrap;
    gap: var(--tile-gap);
    justify-content: center;
    align-items: center;
}

.bm-felt-label {
    width: 100%;
    text-align: center;
    font-size: 0.68rem;
    letter-spacing: 0.22em;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 20px;
    text-transform: uppercase;
}

/* ── Row of tile groups ─────────────────────────────── */

.bm-groups {
    display: flex;
    flex-wrap: wrap;
    gap: 26px;
    justify-content: center;
    align-items: flex-start;
}

.bm-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.bm-group-tiles {
    display: flex;
    gap: 4px;
    padding-bottom: 8px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.14);
}

.bm-group.won .bm-group-tiles {
    border-bottom-color: var(--gold);
}

.bm-group-cap {
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    color: var(--muted);
    text-transform: uppercase;
}

.bm-group.won .bm-group-cap {
    color: var(--gold);
}

.bm-group.bm-slot-active .bm-group-tiles {
    border-bottom-color: rgba(229, 192, 123, 0.45);
}

.bm-group[style*="cursor"] {
    transition: transform 0.2s;
}

.bm-group:hover[style*="pointer"] {
    transform: translateY(-3px);
}

/* ── Feedback / explainer ───────────────────────────── */

.bm-note {
    margin-top: 26px;
    padding: 20px 26px;
    border-radius: 14px;
    background: rgba(230, 57, 70, 0.07);
    font-size: 1rem;
    color: #dfe4e8;
    display: flex;
    gap: 14px;
    align-items: flex-start;
    text-wrap: pretty;
}

.bm-note-good {
    background: rgba(229, 192, 123, 0.09);
}

.bm-note-mark {
    flex: 0 0 auto;
    font-weight: 900;
    color: var(--gold);
    line-height: 1.5;
}

.bm-note p {
    text-wrap: pretty;
}

.bm-note b {
    color: #fff;
}

/* ── Category chooser (lesson 1) ────────────────────── */

.bm-cats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 18px;
}

.bm-cat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 30px 24px;
    cursor: pointer;
    text-align: center;
    font-family: inherit;
    color: inherit;
    transition: 0.28s;
}

.bm-cat:hover {
    border-color: var(--gold);
    background: rgba(229, 192, 123, 0.05);
    transform: translateY(-4px);
}

.bm-cat-tiles {
    display: flex;
    gap: 4px;
    justify-content: center;
    margin-bottom: 18px;
}

.bm-cat-name {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.bm-cat-sub {
    font-size: 0.82rem;
    color: var(--muted);
}

/* ── Suit explorer ──────────────────────────────────── */

.bm-suitbar {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 34px;
}

.bm-suittab {
    padding: 10px 22px;
    border-radius: 50px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--muted);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: 0.25s;
}

.bm-suittab:hover {
    color: var(--text);
}

.bm-suittab.on {
    background: var(--gold);
    border-color: var(--gold);
    color: #14150f;
    font-weight: 700;
}

.bm-suit-info {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 44px;
    align-items: start;
}

.bm-suit-copy h3 {
    font-size: 1.6rem;
    margin-bottom: 12px;
}

.bm-suit-copy p {
    color: var(--muted);
    text-wrap: pretty;
}

.bm-suit-copy p + p {
    margin-top: 12px;
}

.bm-suit-tiles {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

/* ── Tileset grid (all 34) ──────────────────────────── */

.bm-all {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.bm-all-row {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.bm-all-rowname {
    width: 92px;
    flex: 0 0 auto;
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    color: var(--gold);
    text-transform: uppercase;
}

.bm-all-rowtiles {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}

/* ── Turn loop diagram ──────────────────────────────── */

.bm-loop {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.bm-loop-row {
    display: flex;
    align-items: center;
    gap: 22px;
    flex-wrap: wrap;
    justify-content: center;
}

.bm-loop-node {
    text-align: center;
}

.bm-loop-node .bm-loop-n {
    display: block;
    font-size: 2.6rem;
    font-weight: 900;
    color: var(--gold);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.bm-loop-node .bm-loop-cap {
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    color: var(--muted);
    text-transform: uppercase;
    margin-top: 8px;
}

.bm-loop-arrow {
    color: rgba(255, 255, 255, 0.22);
    font-size: 1.4rem;
}

.bm-loop-cycle {
    margin-top: 26px;
    padding: 10px 26px;
    border: 1px dashed rgba(255, 255, 255, 0.16);
    border-radius: 50px;
    font-size: 0.8rem;
    letter-spacing: 0.14em;
    color: var(--muted);
    text-transform: uppercase;
}

/* ── Draw / discard bench ───────────────────────────── */

.bm-bench {
    background: var(--felt);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.07);
    padding: 36px 28px;
}

.bm-bench-cap {
    text-align: center;
    font-size: 0.68rem;
    letter-spacing: 0.22em;
    color: rgba(255, 255, 255, 0.42);
    text-transform: uppercase;
    margin-bottom: 22px;
}

.bm-bench-hand {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 26px;
}

.bm-bench-drawslot {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 22px;
}

.bm-bench-count {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--gold);
    font-variant-numeric: tabular-nums;
    min-width: 62px;
    text-align: center;
}

.bm-bench-count b {
    color: rgba(255, 255, 255, 0.3);
    font-weight: 400;
}

.bm-drawbtn {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    border-radius: 50px;
    padding: 15px 38px;
    font-family: inherit;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 5px 18px rgba(230, 57, 70, 0.35);
    transition: 0.22s;
}

.bm-drawbtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 9px 26px rgba(230, 57, 70, 0.5);
}

.bm-drawbtn:disabled {
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.3);
    box-shadow: none;
    cursor: not-allowed;
    transform: none;
}

.bm-discardbin {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    min-height: 78px;
    border: 1px dashed rgba(255, 255, 255, 0.14);
    border-radius: 14px;
    padding: 12px;
}

.bm-discardbin-label {
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    color: var(--muted);
    text-transform: uppercase;
}

.bm-bin-active {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.14);
}

/* ── More-to-learn chips ────────────────────────────── */

.bm-chips {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 14px;
}

.bm-chip {
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px 22px;
    background: var(--surface);
    text-align: left;
    font-family: inherit;
    color: inherit;
    cursor: pointer;
    transition: 0.25s;
}

.bm-chip:hover {
    border-color: var(--gold);
    transform: translateY(-3px);
}

.bm-chip-name {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--gold);
    margin-bottom: 4px;
}

.bm-chip-sub {
    font-size: 0.85rem;
    color: var(--muted);
    line-height: 1.5;
}

.bm-glossary {
    margin-top: 18px;
    padding: 26px 30px;
    border-radius: 16px;
    background: #060709;
    border: 1px solid var(--border);
}

.bm-glossary h4 {
    color: var(--gold);
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.bm-glossary dl {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 10px 20px;
}

.bm-glossary dt {
    font-weight: 700;
    font-size: 0.92rem;
}

.bm-glossary dd {
    color: var(--muted);
    font-size: 0.92rem;
    margin: 0;
}

/* ── Free play table ────────────────────────────────── */

.bm-table {
    background: var(--felt);
    border-radius: 22px;
    border: 1px solid rgba(255, 255, 255, 0.07);
    padding: 30px;
    position: relative;
    box-shadow: inset 0 0 90px rgba(0, 0, 0, 0.45);
}

.bm-table-grid {
    display: grid;
    grid-template-columns: 1fr 210px 1fr;
    grid-template-rows: auto 1fr auto;
    grid-template-areas:
        "north . east"
        "west river east"
        "south south south";
    gap: 16px;
    align-items: center;
}

.bm-seat {
    display: flex;
    flex-direction: column;
    gap: 9px;
    align-items: center;
}

.bm-seat-n {
    position: absolute;
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.32);
}

.bm-seat-north {
    grid-area: north;
    position: static;
}

.bm-seat-north .mj {
    transform: rotate(180deg);
}

.bm-seat-west {
    grid-area: west;
}

.bm-seat-west .mj-row {
    transform: rotate(-90deg);
    transform-origin: center;
}

.bm-seat-east {
    grid-area: east;
}

.bm-seat-east .mj-row {
    transform: rotate(90deg);
    transform-origin: center;
}

.bm-seat-south {
    grid-area: south;
    position: static;
}

.mj-row {
    display: flex;
    gap: 2px;
}

.bm-pond {
    grid-area: river;
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    padding: 14px 12px;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.06);
    min-height: 150px;
    max-height: 260px;
    overflow-y: auto;
}

.bm-pond-cap {
    font-size: 0.58rem;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.35);
    text-transform: uppercase;
}

.bm-pond-row {
    display: flex;
    gap: 2px;
    flex-wrap: wrap;
    justify-content: center;
}

.bm-pond-row .mj {
    --tile-w: 20px;
    --tile-h: 28px;
}

.bm-pond-row .mj-num {
    font-size: 0.68rem;
}

.bm-pond-row .mj-suit {
    font-size: 0.36rem;
}

.bm-pond-row .mj-char {
    font-size: 0.72rem;
}

.bm-pond-row .mj-latest {
    box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.13), 0 0 0 2px var(--gold);
}

.bm-wall-count {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    color: rgba(255, 255, 255, 0.34);
}

.bm-turnflag {
    position: absolute;
    top: 16px;
    left: 20px;
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    color: var(--gold);
    text-transform: uppercase;
}

.bm-turnflag.yours {
    color: var(--primary);
}

/* Actions */

.bm-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 24px;
    min-height: 52px;
    align-items: center;
}

.bm-act {
    padding: 12px 26px;
    border-radius: 50px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font-family: inherit;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: 0.2s;
}

.bm-act:hover:not(:disabled) {
    border-color: var(--gold);
    transform: translateY(-2px);
}

.bm-act:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.bm-act-win {
    background: linear-gradient(135deg, var(--gold), #c9a45a);
    color: #14150f;
    border-color: transparent;
    animation: bm-pulse 1.6s infinite;
}

@keyframes bm-pulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(229, 192, 123, 0.5);
    }

    50% {
        box-shadow: 0 0 0 12px rgba(229, 192, 123, 0);
    }
}

.bm-hint {
    text-align: center;
    font-size: 0.88rem;
    color: var(--muted);
    margin-top: 16px;
    min-height: 1.4em;
}

/* Score sheet */

.bm-score {
    margin-top: 26px;
    border-radius: 16px;
    background: #060709;
    border: 1px solid var(--border);
    padding: 26px 30px;
}

.bm-score h4 {
    color: var(--gold);
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.bm-score-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}

.bm-score-cell {
    border-left: 1px solid var(--border);
    padding-left: 14px;
}

.bm-score-cell .k {
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    color: var(--muted);
    text-transform: uppercase;
}

.bm-score-cell .v {
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--text);
}

.bm-score-cell .v.gold {
    color: var(--gold);
}

.bm-yaku {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.bm-yaku li {
    display: flex;
    gap: 14px;
    align-items: baseline;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.bm-yaku li:last-child {
    border-bottom: none;
}

.bm-yaku-han {
    flex: 0 0 auto;
    min-width: 46px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--gold);
    text-align: right;
}

.bm-yaku-name {
    font-weight: 700;
}

.bm-yaku-note {
    color: var(--muted);
    font-size: 0.88rem;
}

.bm-yaku-meta {
    margin-left: auto;
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.75rem;
    white-space: nowrap;
}

.bm-winner-banner {
    margin-top: 20px;
    padding: 26px;
    border-radius: 16px;
    background: rgba(229, 192, 123, 0.09);
    border: 1px solid rgba(229, 192, 123, 0.28);
    text-align: center;
}

.bm-winner-banner h3 {
    font-size: 1.9rem;
    font-weight: 900;
    color: var(--gold);
    margin-bottom: 6px;
}

.bm-winner-banner p {
    color: var(--muted);
}

/* ── Navigation buttons ─────────────────────────────── */

.bm-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 44px 0;
    border-top: 1px solid var(--border);
    margin-top: 50px;
    flex-wrap: wrap;
}

.bm-back {
    background: none;
    border: none;
    color: var(--muted);
    font-family: inherit;
    font-size: 0.92rem;
    cursor: pointer;
    padding: 10px 0;
    transition: color 0.25s;
}

.bm-back:hover {
    color: var(--text);
}

.bm-back[disabled] {
    opacity: 0.2;
    cursor: not-allowed;
}

.bm-back[disabled]:hover {
    color: var(--muted);
}

/* ── Responsive ─────────────────────────────────────── */

@media(max-width: 900px) {
    .bm-page {
        --tile-w: 38px;
        --tile-h: 53px;
        --tile-gap: 3px;
    }

    .bm-progress {
        top: 80px;
    }

    .bm-suit-info {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .bm-table-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto auto;
        grid-template-areas:
            "north"
            "pond"
            "west"
            "east"
            "south";
    }

    .bm-seat-west .mj-row,
    .bm-seat-east .mj-row {
        transform: none;
    }

    .bm-seat-north .mj {
        transform: none;
    }

    .bm-glossary dl {
        grid-template-columns: 1fr;
        gap: 4px 0;
    }

    .bm-glossary dd {
        margin-bottom: 12px;
    }
}

@media(prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}