@font-face {
    font-family: "Black Ops One";
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url("fonts/BlackOpsOne-Regular.woff2") format("woff2");
}

.mt-page {
    --mt-felt: #14352c;
    --mt-felt-deep: #0c241e;
    --mt-cream: #fbf6ec;
    --mt-ink: #241810;
    --mt-gold: #c6a15b;
    --mt-burgundy: #8e1e2d;
    --mt-red: #c90c0f;
    margin: 0;
    min-height: 100vh;
    color: #f8f4ea;
    background:
        radial-gradient(circle at 12% 0%, rgba(198, 161, 91, 0.18), transparent 36%),
        radial-gradient(circle at 90% 10%, rgba(142, 30, 45, 0.28), transparent 42%),
        linear-gradient(180deg, var(--mt-felt) 0%, #1a4a3c 48%, var(--mt-felt-deep) 100%);
    font-family: "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
}

.mt-page.is-specials {
    background:
        radial-gradient(circle at 50% 0%, rgba(196, 18, 18, 0.32), transparent 46%),
        linear-gradient(180deg, #1c1c1c 0%, #2a1012 52%, #111 100%);
}
.mt-page.game-menu-active { overflow-y: auto; overflow-x: hidden; }
.mt-page.game-menu-active #game-header { display: none !important; }
.mt-page .game-screen { display: none; min-height: 100vh; }
.mt-page .game-screen.active { display: block; }

.mt-shell {
    max-width: 1180px;
    margin: 0 auto;
    padding: 1rem 1rem 2rem;
}

.mt-hud {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.85rem;
}

.mt-hud-title {
    margin: 0;
    font-size: 1.35rem;
    letter-spacing: 0.02em;
}

.mt-hud-title .mt-logo { width: 168px; height: auto; display: block; }

.mt-hud-actions, .mt-banner-actions, .mt-modal-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.mt-chip, .mt-tool, .mt-primary, .mt-ghost, .mt-stat, .mt-info {
    font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

.mt-chip {
    background: rgba(255, 255, 255, 0.1);
    color: #f8f4ea;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    padding: 0.35rem 0.75rem;
    font-size: 0.92rem;
}

.mt-tool, .mt-ghost {
    background: #fff;
    color: var(--mt-burgundy);
    border: 2px solid var(--mt-burgundy);
    border-radius: 999px;
    padding: 0.45rem 0.9rem;
    font-weight: 700;
    cursor: pointer;
}

.mt-tool:hover, .mt-ghost:hover, .mt-info:hover {
    background: var(--mt-burgundy);
    color: #fff;
}

.mt-primary {
    background: var(--mt-red);
    color: #fff;
    border: 2px solid var(--mt-red);
    border-radius: 999px;
    padding: 0.55rem 1.1rem;
    font-weight: 700;
    cursor: pointer;
}

.mt-primary:hover { background: #a00a0c; border-color: #a00a0c; color: #fff; }
.mt-primary:disabled, .mt-tool:disabled, .mt-stat:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.mt-arena {
    display: grid;
    grid-template-columns: minmax(240px, 1fr) minmax(220px, 280px) minmax(260px, 1fr);
    gap: 1rem;
    align-items: start;
}

.mt-side { display: flex; flex-direction: column; align-items: center; gap: 0.55rem; }
.mt-side h2 {
    margin: 0;
    font-size: 1.15rem;
    text-align: center;
}
.mt-side p { margin: 0; color: rgba(248, 244, 234, 0.82); font-family: "Segoe UI", Arial, sans-serif; }

.mt-card {
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    width: min(100%, 360px);
    color: #fff8e7;
    border-radius: 22px;
    overflow: hidden;
    position: relative;
    padding: 0 0 0.7rem;
    --mt-frame: #f4c430;
    background-color: #3a1420;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-image: url("backgrounds/front-mathematicians.jpg");
    box-shadow:
        inset 0 0 0 3px #f4c430,
        inset 0 0 0 8px #1a1038,
        0 18px 36px rgba(0, 0, 0, 0.38);
}

.mt-card[data-deck="formulae"] {
    --mt-frame: #f3e6a8;
    background-color: #140c28;
    background-image: url("backgrounds/front-formulae.jpg");
}
.mt-card[data-deck="numbers"] {
    --mt-frame: #f6e2a8;
    background-color: #083038;
    background-image: url("backgrounds/front-numbers.jpg");
}
.mt-card[data-deck="discoveries"] {
    --mt-frame: #e7c56a;
    background-color: #102040;
    background-image: url("backgrounds/front-discoveries.jpg");
}
.mt-card[data-deck="movies"] {
    --mt-frame: #fff1c9;
    background-color: #4a1016;
    background-image: url("backgrounds/front-movies.jpg");
}
.mt-card[data-deck="books"] {
    --mt-frame: #e8c46a;
    background-color: #2a2a2a;
    background-image: none;
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.38);
}
.mt-card[data-deck="books"]:not(:has(.mt-back)) {
    isolation: isolate;
    padding: 0 0 0.7rem;
}
.mt-card[data-deck="books"]:not(:has(.mt-back))::before {
    content: "";
    position: absolute;
    inset: -18%;
    background: var(--mt-cover) center / cover no-repeat;
    filter: saturate(0.3) blur(8px);
    transform: scale(1.22);
    z-index: -1;
    pointer-events: none;
}
.mt-card[data-deck="books"]:not(:has(.mt-back))::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(18, 18, 18, 0.22);
    z-index: -1;
    pointer-events: none;
}
.mt-card[data-deck="disasters"] {
    --mt-frame: #f5c400;
    color: #fff;
    font-family: Helvetica, "Helvetica Neue", Arial, sans-serif;
    border: none;
    border-radius: 4px;
    padding: 18px 16px 22px;
    background-color: #111;
    background-image: url("backgrounds/front-disasters.jpg?v=20261010l");
    background-repeat: no-repeat;
    background-size: 100% 100%;
    background-position: center;
    box-shadow: 0 16px 28px rgba(0, 0, 0, 0.45);
}
.mt-card[data-deck="disasters"]::before {
    content: "";
    position: absolute;
    inset: 18px 16px 22px;
    background: #161616;
    border-radius: 2px;
    z-index: 0;
    pointer-events: none;
}
.mt-card[data-deck="disasters"] > * { position: relative; z-index: 1; }
.mt-card[data-deck="disasters"]:has(.mt-back) {
    padding: 0;
    background-image: none;
    background-color: transparent;
}
.mt-card[data-deck="disasters"]:has(.mt-back)::before { display: none; }
.mt-card[data-deck="disasters"].is-yours {
    box-shadow: 0 0 0 3px #f5c400, 0 16px 28px rgba(0, 0, 0, 0.45);
}
.mt-card[data-deck="disasters"] .mt-card-head h3,
.mt-card[data-deck="disasters"] .mt-known,
.mt-card[data-deck="disasters"] .mt-specials,
.mt-card[data-deck="disasters"] .mt-hazard,
.mt-card[data-deck="disasters"] .mt-stat,
.mt-card[data-deck="disasters"] .mt-stat span,
.mt-card[data-deck="disasters"] .mt-stat strong,
.mt-card[data-deck="disasters"] .mt-info,
.mt-card[data-deck="disasters"] .mt-crown {
    font-family: "Black Ops One", sans-serif !important;
    font-weight: 400;
    text-transform: uppercase;
}
.mt-card[data-deck="disasters"] .mt-card-head h3 {
    color: #fff;
    text-shadow: none;
    font-size: 1.35rem;
    letter-spacing: 0.02em;
    line-height: 1.15;
}
.mt-card[data-deck="disasters"] .mt-known {
    color: #fff;
    text-shadow: none;
    font-size: 0.78rem;
    line-height: 1.35;
    letter-spacing: 0.02em;
}
.mt-specials {
    display: inline-block;
    margin: 0 0 0.35rem;
    padding: 0.2rem 0.5rem;
    background: #c41212;
    color: #fff;
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.mt-hazard {
    display: inline-block;
    margin: 0.15rem auto 0.45rem;
    max-width: 92%;
    padding: 0.28rem 0.5rem;
    background: #f5c400;
    color: #111;
    border: 3px solid #111;
    box-shadow: 3px 3px 0 #111;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    line-height: 1.2;
    text-transform: uppercase;
}
.mt-card[data-deck="disasters"] .mt-art {
    border-radius: 2px;
    border-color: #f5c400;
}
.mt-card[data-deck="disasters"] .mt-stat-panel {
    margin: 0.55rem 0 0;
    padding: 0.4rem;
    background: url("backgrounds/disasters.jpg?v=20261010l") center / cover no-repeat;
    border: 3px solid #111;
    border-radius: 2px;
}
.mt-card[data-deck="disasters"] .mt-stat-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 2.4rem;
    gap: 0.28rem;
    margin-top: 0.28rem;
}
.mt-card[data-deck="disasters"] .mt-stat-row:first-child { margin-top: 0; }
.mt-card[data-deck="disasters"] .mt-stat {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.45rem;
    background: #111;
    color: #fff;
    border: none;
    border-left: 8px solid #f5c400;
    border-radius: 0;
    min-height: 2.6rem;
    padding: 0.35rem 0.5rem;
    font-size: 0.78rem;
    line-height: 1.15;
    letter-spacing: 0.02em;
    text-align: left;
    text-shadow: none;
}
.mt-card[data-deck="disasters"] .mt-stat span { min-width: 0; }
.mt-card[data-deck="disasters"] .mt-stat strong {
    color: #f5c400;
    font-size: 1.05rem;
    line-height: 1;
    text-shadow: none;
}
.mt-card[data-deck="disasters"] .mt-stat:disabled { opacity: 1; }
.mt-card[data-deck="disasters"] .mt-stat:hover:not(:disabled),
.mt-card[data-deck="disasters"] .mt-stat:hover:not(:disabled) span,
.mt-card[data-deck="disasters"] .mt-stat:hover:not(:disabled) strong {
    background: #f5c400;
    color: #111 !important;
}
.mt-card[data-deck="disasters"] .mt-stat.is-win,
.mt-card[data-deck="disasters"] .mt-stat.is-win strong {
    background: #145c32;
    color: #fff;
}
.mt-card[data-deck="disasters"] .mt-stat.is-lose,
.mt-card[data-deck="disasters"] .mt-stat.is-lose strong {
    background: #3a1515;
    color: #fff;
}
.mt-card[data-deck="disasters"] .mt-stat.is-draw,
.mt-card[data-deck="disasters"] .mt-stat.is-draw span,
.mt-card[data-deck="disasters"] .mt-stat.is-draw strong {
    background: #f5c400;
    color: #111 !important;
}
.mt-card[data-deck="disasters"] .mt-crown {
    background: #fff;
    color: #111;
    font-size: 0.62rem;
}
.mt-card[data-deck="disasters"] .mt-info {
    width: 2.4rem;
    height: 100%;
    min-height: 2.6rem;
    background: #111;
    color: #f5c400;
    border: 2px solid #f5c400;
    border-radius: 0;
    font-size: 0.95rem;
}
.mt-card[data-deck="disasters"] .mt-info:hover {
    background: #f5c400;
    color: #111 !important;
}

.mt-card:has(.mt-back) { padding: 0; }

.mt-card.is-yours {
    box-shadow:
        inset 0 0 0 3px #fff4c8,
        inset 0 0 0 8px #c90c0f,
        0 18px 36px rgba(0, 0, 0, 0.38);
}

.mt-card-head {
    padding: 0.85rem 0.9rem 0.55rem;
    text-align: center;
}
.mt-card-head h3 {
    margin: 0;
    font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: #fff8e7;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.55);
}
.mt-card .mt-dates {
    display: inline-block;
    margin: 0.35rem 0 0;
    padding: 0.12rem 0.55rem;
    border-radius: 999px;
    background: #f4c430;
    color: #1a120c;
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 0.78rem;
    font-weight: 800;
}

.mt-art {
    width: 198px;
    aspect-ratio: 3 / 4;
    margin: 0 auto;
    border-radius: 16px;
    overflow: hidden;
    background: #1a120c;
    border: 3px solid var(--mt-frame, #f4c430);
    box-shadow: 0 10px 18px rgba(0, 0, 0, 0.28);
}

.mt-art.is-poster { width: 176px; aspect-ratio: 2 / 3; }
.mt-art.is-cover {
    width: 176px;
    aspect-ratio: 2 / 3;
    background: #f7f1e6;
}
.mt-art.is-cover img { object-fit: contain; }
a.mt-amazon-art {
    display: block;
    text-decoration: none;
    color: inherit;
}
.mt-art a.mt-amazon-art { height: 100%; }
a.mt-amazon-art:focus-visible {
    outline: 3px solid #C90C0F;
    outline-offset: 2px;
}
.mt-art.is-photo { width: 220px; aspect-ratio: 3 / 4; }
.mt-art.is-photo img { object-fit: cover; object-position: center center; }
.mt-art img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center center;
    display: block;
}
.mt-art.mt-plate {
    width: calc(100% - 1.7rem);
    aspect-ratio: auto;
    height: auto;
    min-height: 132px;
    margin: 0 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 0.75rem;
    background: linear-gradient(165deg, #4a1d78, #1a1440);
}
.mt-plate[data-tone="crimson"] { background: linear-gradient(165deg, #9d1230, #3a1020); }
.mt-plate[data-tone="gold"] { background: linear-gradient(165deg, #8a5a12, #2a1c08); }
.mt-plate[data-tone="teal"] { background: linear-gradient(165deg, #0e6e78, #10243a); }
.mt-plate[data-tone="ink"] { background: linear-gradient(165deg, #243044, #121820); }
.mt-plate[data-tone="forest"] { background: linear-gradient(165deg, #1d6b45, #10281c); }
.mt-plate[data-tone="violet"] { background: linear-gradient(165deg, #4a1d78, #1a1440); }
.mt-formula {
    margin: 0;
    color: #fff8e7;
    font-family: "Segoe UI", Arial, sans-serif;
    font-weight: 800;
    font-size: 1.28rem;
    line-height: 1.25;
    text-align: center;
}

.mt-sr {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.mt-card a.mt-amazon {
    display: block;
    margin: 0.15rem 1rem 0.45rem;
    text-align: center;
    color: #ffe08a;
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 0.88rem;
    font-weight: 800;
    text-decoration: underline;
    text-underline-offset: 0.15em;
}
.mt-card a.mt-amazon:hover,
.mt-card a.mt-amazon:focus-visible {
    color: #fff8e7;
}
#mt-pack-detail a.mt-amazon {
    display: inline-block;
    margin-top: 0.35rem;
    color: #C90C0F;
    font-family: "Segoe UI", Arial, sans-serif;
    font-weight: 800;
}
#mt-pack-detail a.mt-amazon:hover,
#mt-pack-detail a.mt-amazon:focus-visible {
    color: #8e1e2d;
}
.mt-amazon-note {
    margin: 0.8rem 0 0;
    color: #fff4d2;
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 0.82rem;
    line-height: 1.4;
    text-align: center;
}
#packModal .mt-amazon-note { color: #1a1a1a; }

.mt-card .mt-known {
    margin: 0.55rem 1.05rem 0.5rem;
    color: #fff4d2;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.65);
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 0.9rem;
    line-height: 1.35;
    text-align: center;
}

.mt-stat-panel {
    margin: 0 0.55rem;
    padding: 0.45rem 0.4rem 0.2rem;
    background: rgba(255, 248, 236, 0.96);
    border-radius: 16px;
}

.mt-stat-row { display: flex; gap: 0.35rem; margin-top: 0.35rem; }
.mt-stat-row:first-child { margin-top: 0; }
.mt-stat {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    text-align: left;
    background: #fff;
    color: var(--mt-ink);
    border: 1px solid #e4d3b8;
    border-radius: 10px;
    min-height: 44px;
    padding: 0.4rem 0.65rem;
    cursor: pointer;
    font-size: 0.98rem;
}
.mt-stat strong {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-variant-numeric: tabular-nums;
    font-size: 1.05rem;
}
.mt-crown {
    display: inline-block;
    background: #f4c430;
    color: #1a120c;
    border-radius: 999px;
    padding: 0.12rem 0.42rem;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1.2;
}
.mt-stat:hover:not(:disabled) { background: #f3e2c4; color: var(--mt-ink); }
.mt-stat.is-win { background: #1f7a45; color: #fff; border-color: #1f7a45; }
.mt-stat.is-lose { background: #f4d6d6; color: #4a1515; border-color: #e3b4b4; }
.mt-stat.is-draw { background: #d9e6f7; color: #142033; border-color: #b7cbe8; }
.mt-info {
    width: 44px;
    background: #fff;
    color: var(--mt-burgundy);
    border: 1px solid #e4d3b8;
    border-radius: 10px;
    font-weight: 800;
    cursor: pointer;
}

.mt-back {
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at 50% 48%, rgba(0, 0, 0, 0.18), rgba(0, 0, 0, 0.42) 72%),
        url("backgrounds/mathematicians.jpg") center / cover no-repeat;
    color: #f8f4ea;
    text-align: center;
    padding: 1.5rem;
}
.mt-back[data-deck="formulae"] { background: radial-gradient(circle at 50% 48%, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.48) 72%), url("backgrounds/formulae.jpg") center / cover no-repeat; }
.mt-back[data-deck="numbers"] { background: radial-gradient(circle at 50% 48%, rgba(0, 0, 0, 0.16), rgba(0, 0, 0, 0.42) 72%), url("backgrounds/numbers.jpg") center / cover no-repeat; }
.mt-back[data-deck="discoveries"] { background: radial-gradient(circle at 50% 48%, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.46) 72%), url("backgrounds/discoveries.jpg") center / cover no-repeat; }
.mt-back[data-deck="movies"] { background: radial-gradient(circle at 50% 48%, rgba(0, 0, 0, 0.16), rgba(0, 0, 0, 0.42) 72%), url("backgrounds/movies.jpg") center / cover no-repeat; }
.mt-back[data-deck="books"] { background: url("backgrounds/books.jpg?v=20261010u") center / cover no-repeat; }
.mt-back[data-deck="disasters"] {
    background: url("backgrounds/disasters.jpg?v=20261010l") center / cover no-repeat;
}
.mt-back[data-deck="disasters"] .mt-logo {
    background: none;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
}
.mt-logo-word .mt-word {
    font-family: "Black Ops One", sans-serif !important;
    font-size: 96px;
    fill: #fff;
    stroke: #000;
    stroke-width: 14px;
    paint-order: stroke fill;
    stroke-linejoin: round;
}
.mt-logo-word .mt-word-line { font-size: 78px; }
.mt-back .mt-logo { width: min(78%, 250px); height: auto; display: block; }
.mt-back strong { display: block; font-size: 1.8rem; letter-spacing: 0.04em; }
.mt-back span { display: block; margin-top: 0.35rem; color: var(--mt-gold); font-family: "Segoe UI", Arial, sans-serif; }

.mt-centre { display: flex; flex-direction: column; gap: 0.75rem; padding-top: 2.5rem; }
.mt-banner {
    background: rgba(12, 36, 30, 0.72);
    border: 1px solid rgba(198, 161, 91, 0.45);
    border-radius: 16px;
    padding: 0.9rem;
    color: #f8f4ea;
}
.mt-banner h3 { margin: 0 0 0.35rem; font-size: 1.05rem; }
.mt-banner p { margin: 0 0 0.75rem; line-height: 1.4; font-family: "Segoe UI", Arial, sans-serif; }
.mt-detail {
    background: #fff;
    color: var(--mt-ink);
    border-radius: 12px;
    padding: 0.75rem 0.85rem;
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 0.92rem;
    line-height: 1.4;
}

.mt-pass {
    position: fixed;
    inset: 0;
    z-index: 40;
    background: rgba(8, 20, 16, 0.94);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}
.mt-pass[hidden] { display: none; }
.mt-pass-card {
    max-width: 460px;
    background: var(--mt-cream);
    color: var(--mt-ink);
    border-radius: 18px;
    padding: 1.5rem;
    text-align: center;
}
.mt-pass-card h2 { margin: 0 0 0.4rem; color: var(--mt-burgundy); }
.mt-pass-card p { margin: 0 0 1rem; }
.mt-pass-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.6rem;
}

.mt-page .modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    z-index: 12000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.mt-page .modal.active { display: flex; }
.mt-page .party-overlay { z-index: 13000; }
.mt-page .modal-content {
    background: #fff;
    color: #1a1a1a;
    border-radius: 1rem;
    max-width: 720px;
    width: 100%;
    max-height: 90vh;
    overflow: auto;
}
.mt-page .modal-header, .mt-page .modal-footer {
    padding: 1rem 1.2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}
.mt-page .modal-header { border-bottom: 2px solid #eee; }
.mt-page .modal-header h2 { margin: 0; color: var(--mt-red); font-size: 1.3rem; }
.mt-page .modal-body { padding: 1rem 1.2rem 1.2rem; }
.mt-page .modal-footer { border-top: 2px solid #eee; justify-content: flex-end; }
.mt-page .modal-close {
    background: #fff;
    color: var(--mt-red);
    border: 2px solid var(--mt-red);
    border-radius: 8px;
    cursor: pointer;
    padding: 0.35rem 0.55rem;
}
.mt-page .modal-close:hover { background: var(--mt-red); color: #fff; }
.mt-page .help-section { margin-bottom: 1rem; }
.mt-page .help-section h3 { margin: 0 0 0.35rem; color: var(--mt-red); }
.mt-page .help-section ul { margin: 0.3rem 0 0; padding-left: 1.2rem; }

.mt-pack {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.7rem;
}
.mt-pack button {
    background: #fff;
    color: var(--mt-ink);
    border: 1px solid #e4d3b8;
    border-radius: 12px;
    padding: 0;
    overflow: hidden;
    cursor: pointer;
    text-align: left;
}
.mt-pack img { width: 100%; height: 110px; object-fit: cover; object-position: center 15%; display: block; }
.mt-pack.is-covers img {
    height: 148px;
    object-fit: contain;
    object-position: center;
    background: #f7f1e6;
}
.mt-pack-item {
    background: #fff;
    color: var(--mt-ink);
    border: 1px solid #e4d3b8;
    border-radius: 12px;
    overflow: hidden;
}
.mt-pack-item button {
    width: 100%;
    border: none;
    border-radius: 0;
    background: #fff;
    color: var(--mt-ink);
}
.mt-pack-plate {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 110px;
    padding: 0.45rem;
    text-align: center;
    font-weight: 800;
    color: #fff8e7;
    background: #24124a;
    font-family: "Segoe UI", Arial, sans-serif;
}
.mt-pack span { display: block; padding: 0.4rem 0.5rem 0.55rem; font-weight: 700; }
.mt-pack.is-specials button {
    background: #111;
    color: #fff;
    border: 3px solid #111;
    border-radius: 2px;
    font-family: Helvetica, "Helvetica Neue", Arial, sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.mt-pack.is-specials button:hover,
.mt-pack.is-specials button:focus-visible {
    background: #f5c400;
    color: #111;
}
.mt-pack.is-specials img { height: 132px; object-position: center; }

.mt-settings { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.8rem; }
.mt-pill {
    background: #fff;
    color: var(--mt-burgundy);
    border: 2px solid var(--mt-burgundy);
    border-radius: 999px;
    padding: 0.4rem 0.75rem;
    font-weight: 700;
    cursor: pointer;
}
.mt-pill.is-on, .mt-pill:hover { background: var(--mt-burgundy); color: #fff; }
.mt-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
}
.mt-stat-card {
    background: #fbf6ec;
    color: var(--mt-ink);
    border-radius: 12px;
    padding: 0.7rem;
    text-align: center;
}
.mt-stat-card strong { display: block; font-size: 1.4rem; }

.mt-pile {
    position: relative;
    width: min(100%, 360px);
}
.mt-stack {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}
.mt-pile > .mt-card { position: relative; z-index: 2; }
.mt-stack .mt-back {
    position: absolute;
    inset: 14px 4px 0;
    border-radius: 18px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.28);
    transform: translate(var(--mt-x, 0), var(--mt-y, 0)) rotate(var(--mt-r, 0deg));
}
.mt-pile[data-deck="disasters"] .mt-stack .mt-back { border-radius: 4px; }
.mt-pot {
    position: relative;
    width: 92px;
    height: 118px;
    margin: 0 auto 0.65rem;
}
.mt-pot[hidden] { display: none !important; }
.mt-pot .mt-back {
    position: absolute;
    inset: 0;
    border-radius: 10px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.28);
    transform: translate(var(--mt-x, 0), var(--mt-y, 0)) rotate(var(--mt-r, 0deg));
}
.mt-fly {
    position: fixed;
    inset: 0;
    z-index: 40;
    overflow: visible;
    pointer-events: none;
}
.mt-slide-card {
    position: fixed;
    margin: 0;
    pointer-events: none;
    transform-origin: center center;
    box-shadow: 0 18px 32px rgba(0, 0, 0, 0.4);
}
.mt-slide-back {
    position: absolute;
    inset: 0;
    z-index: 3;
    opacity: 0;
    border-radius: 18px;
}
.mt-slide-card[data-deck="disasters"] .mt-slide-back,
.mt-slide-back[data-deck="disasters"] { border-radius: 4px; }

@media (max-width: 860px) {
    .mt-arena { grid-template-columns: 1fr; }
    .mt-centre { padding-top: 0; }
    .mt-art { width: 168px; }
    .mt-art.is-poster { width: 148px; }
    .mt-art.is-photo { width: 176px; }
    .mt-formula { font-size: 1.12rem; }
    .mt-card-head h3 { font-size: 1.28rem; }
    .mt-side-opp { order: 1; }
    .mt-centre { order: 2; }
    .mt-side-you { order: 3; }
    .mt-deck-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.mt-decks { min-height: 100vh; padding: 1.25rem 0 2.5rem; }
.mt-decks[hidden] { display: none !important; }
.mt-decks-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.85rem 1.1rem;
    margin-bottom: 1.25rem;
}
.mt-decks-bar .mt-logo { width: 150px; height: auto; }
.mt-decks-bar p {
    margin: 0;
    flex: 1 1 220px;
    font-size: 1.15rem;
    color: #f8f4ea;
}
.mt-deck-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
    gap: 1rem;
    max-width: 1100px;
}
.mt-pack-cover {
    appearance: none;
    display: flex;
    flex-direction: column;
    padding: 0 0 0.15rem;
    border: 3px solid transparent;
    border-radius: 18px;
    background: #3a1420;
    color: #fff8e7;
    cursor: pointer;
    overflow: hidden;
    text-align: center;
}
.mt-pack-cover[data-pack="formulae"] { background: #241448; }
.mt-pack-cover[data-pack="numbers"] { background: #0c3e46; }
.mt-pack-cover[data-pack="discoveries"] { background: #142848; }
.mt-pack-cover[data-pack="movies"] { background: #6e1822; }
.mt-pack-cover[data-pack="books"] { background: #143828; }
.mt-pack-cover[data-pack="disasters"] {
    background: #111 url("backgrounds/disasters.jpg?v=20261010l") center / cover no-repeat;
    color: #fff;
    border-color: #111;
}
.mt-pack-cover[data-pack="disasters"]:hover,
.mt-pack-cover[data-pack="disasters"]:focus-visible {
    color: #111;
    border-color: #111;
}
.mt-pack-cover[data-pack="disasters"] .mt-pack-title {
    font-family: Helvetica, "Helvetica Neue", Arial, sans-serif;
    background: #111;
    color: #fff;
    margin: 0.5rem 0.45rem 0.4rem;
}
.mt-pack-cover:hover,
.mt-pack-cover:focus-visible {
    border-color: #f4c430;
    color: #fff8e7;
    transform: translateY(-6px);
}
.mt-pack-logo { width: 78%; height: auto; margin: 0.75rem auto 0.45rem; display: block; }
.mt-pack-art {
    width: calc(100% - 1.1rem);
    aspect-ratio: 3 / 4;
    object-fit: cover;
    margin: 0 auto;
    border-radius: 10px;
    border: 3px solid #f4c430;
    background: #1a120c;
}
.mt-pack-cover[data-pack="movies"] .mt-pack-art { border-color: #fff1c9; }
.mt-pack-cover[data-pack="disasters"] .mt-pack-art { border-color: #111; }
.mt-pack-cover[data-pack="numbers"] .mt-pack-art { border-color: #f6e2a8; }
.mt-pack-title {
    display: block;
    padding: 0.55rem 0.35rem 0.7rem;
    font-family: Georgia, "Iowan Old Style", Palatino, serif;
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    line-height: 1.2;
    text-transform: uppercase;
    color: #fff8e7;
}