:root {
    color-scheme: light;
    --paper: #f7f5ed;
    --ink: #343e3d;
    --muted: #78817c;
    --line: #d8ddd3;
    --blue: #357a9b;
    --red: #c4654b;
    --hand: Georgia, "Times New Roman", serif;
    --body: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* {
    box-sizing: border-box;
}
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font: 14px var(--body);
    min-width: 320px;
    background-image: radial-gradient(#687b6b0d 0.65px, transparent 0.65px);
    background-size: 6px 6px;
}
button,
select {
    font: inherit;
    color: inherit;
}
button,
select,
summary {
    -webkit-tap-highlight-color: transparent;
}
button {
    background: #fffdf6;
    border: 1.3px solid #83908a;
    border-radius: 5px 8px 5px 7px;
    padding: 8px 15px;
    cursor: pointer;
    transition:
        background 0.15s,
        transform 0.15s;
}
button:hover {
    background: #eaece2;
    transform: translateY(-1px);
}
button:active {
    transform: translateY(1px);
}
button:disabled {
    opacity: 0.4;
    cursor: default;
    transform: none;
}
button:focus-visible,
select:focus-visible,
summary:focus-visible,
canvas:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 4px;
}
button[aria-pressed="true"] {
    color: var(--blue);
    border-color: var(--blue);
    background: #e8f0ef;
}
select {
    border: 1px solid var(--line);
    border-radius: 5px;
    padding: 8px 28px 8px 10px;
    background: #fffdf6;
    cursor: pointer;
}
.shell {
    max-width: 1080px;
    margin: auto;
    padding: 30px 36px 18px;
}
.masthead {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 26px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 13px;
}
.brand svg {
    width: 56px;
    height: 56px;
    color: var(--blue);
}
h1 {
    font: 700 31px var(--hand);
    margin: 0;
    letter-spacing: 2px;
}
h1 span {
    font: 12px var(--body);
    letter-spacing: 1px;
    display: inline-block;
    vertical-align: middle;
    margin-left: 13px;
    padding: 4px 8px;
    border: 1px solid #c6ccc1;
    border-radius: 3px;
    transform: rotate(-4deg);
    color: var(--muted);
}
.brand p {
    margin: 6px 0 0;
    font-size: 12px;
    color: var(--muted);
}
.connection {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 11px;
    color: var(--muted);
    white-space: nowrap;
}
.connection i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #b8b9ac;
}
.connection i.ready {
    background: #66927a;
}
.connection i.error {
    background: var(--red);
}
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    border-block: 1px solid var(--line);
    padding: 12px 0;
}
.toolbar select {
    min-width: 148px;
    background: transparent;
    border-color: transparent;
    font-weight: 500;
    padding-left: 0;
}
.toolbar-actions {
    display: flex;
    gap: 9px;
}
.toolbar button {
    font-size: 12px;
    padding: 7px 12px;
}
.toolbar button:last-child {
    border-color: var(--ink);
}
.scoreboard {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 68px;
    padding: 22px 12px 21px;
}
.blue {
    --team: var(--blue);
}
.red {
    --team: var(--red);
}
.score-team {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--team);
}
.score-team b {
    font: 700 39px var(--hand);
    padding: 0 10px;
    min-width: 42px;
    text-align: center;
}
.score-team strong {
    font-size: 14px;
    font-weight: 600;
}
.score-team div > span {
    display: block;
    font-size: 11px;
    color: var(--muted);
    margin-top: 4px;
}
.score-team.red {
    text-align: right;
}
.team-mark {
    font: italic 19px var(--hand);
    border: 1.3px solid var(--team);
    border-radius: 45% 35% 42% 32%;
    padding: 7px 5px;
    transform: rotate(-8deg);
}
.red .team-mark {
    transform: rotate(7deg);
}
.round-clock {
    text-align: center;
    min-width: 100px;
}
.round-clock > span {
    font-size: 10px;
    color: var(--muted);
}
.round-clock > strong {
    font:
        500 27px ui-monospace,
        monospace;
    display: block;
    line-height: 1.35;
}
.round-clock strong span {
    font-size: 16px;
    color: var(--muted);
}
.round-clock small {
    font-size: 10px;
    color: var(--muted);
}
.board-wrap {
    position: relative;
    isolation: isolate;
    aspect-ratio: 10/7;
    background: #fffcf4;
    border: 1px solid #909991;
    border-radius: 4px 7px 5px 3px;
    box-shadow: 3px 4px 0 #d9ddd280;
    overflow: hidden;
}
.board-wrap canvas {
    display: block;
    width: 100%;
    height: 100%;
    outline-offset: -6px !important;
}
.board-corner {
    position: absolute;
    top: 12px;
    right: 15px;
    font-size: 10px;
    letter-spacing: 1px;
    color: #68746e;
    background: #fffcf4d9;
    padding: 2px 5px;
    pointer-events: none;
}
.board-corner.live {
    color: var(--blue);
}
.overlay {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background: #fffcf432;
}
.overlay[hidden],
.round-result[hidden],
[hidden] {
    display: none !important;
}
.overlay-inner {
    text-align: center;
    position: relative;
    background: #fffcf4ed;
    padding: 28px 34px;
    border: 1.5px solid #69776f;
    border-radius: 4px 12px 5px 9px;
    box-shadow: 5px 6px 0 #cbd4c65e;
    transform: rotate(-1deg);
    max-width: 90%;
}
.little-note {
    display: block;
    color: var(--blue);
    font: 17px var(--hand);
    margin-bottom: 13px;
}
.overlay h2 {
    font: 700 31px var(--hand);
    letter-spacing: 2px;
    margin: 0;
}
.overlay p {
    font-size: 12px;
    color: var(--muted);
    margin: 15px 0 24px;
}
.primary {
    background: var(--ink);
    color: #fffdf5;
    border-color: var(--ink);
    font-size: 14px;
    padding: 11px 23px;
}
.primary:hover {
    background: #475650;
}
.primary span {
    margin-left: 25px;
}
.overlay small {
    display: block;
    font-size: 10px;
    color: var(--muted);
    margin-top: 17px;
}
.round-result {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 13px;
    background: #fffcf4b8;
}
.round-result > span {
    font: 20px var(--hand);
}
.round-result strong {
    font: 700 42px var(--hand);
}
.round-result small {
    color: var(--muted);
    font-size: 12px;
}
.player-strip {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 35px;
    padding: 16px 3px;
}
.player-chip {
    display: flex;
    gap: 10px;
    align-items: center;
    min-width: 0;
    font-size: 12px;
}
.chip-dot {
    width: 8px;
    height: 8px;
    background: var(--team);
    border-radius: 50% 40% 45% 35%;
    flex-shrink: 0;
}
.player-chip strong {
    font-weight: 500;
    color: var(--team);
    overflow-wrap: anywhere;
}
.player-chip .weapon {
    font-size: 11px;
    color: var(--muted);
    white-space: nowrap;
    margin-left: auto;
}
.ammo-slots {
    display: flex;
    gap: 4px;
}
.ammo-slots i {
    width: 5px;
    height: 9px;
    border: 1px solid var(--team);
    background: var(--team);
    border-radius: 3px 3px 1px 1px;
}
.ammo-slots i.used {
    background: transparent;
    opacity: 0.35;
}
.play-guide {
    display: flex;
    gap: 18px;
    align-items: center;
    border-top: 1px dashed var(--line);
    padding: 14px 0 0;
    font-size: 11px;
    color: var(--muted);
}
kbd {
    display: inline-block;
    font:
        11px ui-monospace,
        monospace;
    min-width: 21px;
    text-align: center;
    padding: 3px 4px;
    margin-right: 3px;
    border: 1px solid #c6cec4;
    border-bottom: 2px solid #b5bfb3;
    border-radius: 3px;
    color: var(--ink);
    background: #fffcf4;
}
.guide-rule {
    margin-left: auto;
    font-size: 10px;
}
#keyboard-help {
    font-size: 12px;
    line-height: 1.9;
    color: var(--blue);
    padding: 10px 0 0;
    margin: 0;
}
#second-controls {
    color: var(--red);
    margin-left: 16px;
}
.assist-note {
    color: #986b30;
    font-size: 11px;
    text-align: center;
    margin: 0 0 8px;
}
.more {
    margin-top: 25px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.more > summary {
    list-style: none;
    cursor: pointer;
    padding: 14px 0;
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: #647269;
}
.more > summary::-webkit-details-marker {
    display: none;
}
.more > summary span {
    font-size: 10px;
    color: var(--muted);
}
.settings {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 9px;
    margin: 5px 0 15px;
}
.settings label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 11px;
}
.settings button,
.settings select {
    font-size: 11px;
    padding: 7px 9px;
}
.model-note {
    font-size: 11px;
    line-height: 1.8;
    color: var(--muted);
}
#connection-detail {
    display: block;
}
.telemetry {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.agent-panel {
    padding: 16px 18px;
    border: 1px solid var(--line);
    border-top: 2px solid var(--team);
    border-radius: 4px;
    background: #fdfbf4;
}
.agent-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}
.agent-heading h2 {
    font-size: 13px;
    margin: 0;
    color: var(--team);
}
.agent-status {
    font-size: 10px;
    color: var(--muted);
}
.probabilities {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.decision-group:last-child {
    grid-column: 1/-1;
}
.decision-head {
    font-size: 10px;
    color: var(--muted);
    margin-bottom: 8px;
}
.prob-row {
    display: grid;
    grid-template-columns: 50px 1fr 28px;
    gap: 7px;
    align-items: center;
    margin: 8px 0;
    font-size: 11px;
    color: var(--muted);
}
.prob-track {
    height: 3px;
    background: #e3e7de;
    border-radius: 3px;
    overflow: hidden;
}
.prob-fill {
    height: 100%;
    background: #a8b7ac;
    transition: width 0.15s;
}
.prob-value {
    font:
        10px ui-monospace,
        monospace;
    text-align: right;
}
.prob-row.selected {
    color: var(--team);
}
.prob-row.selected .prob-fill {
    background: var(--team);
}
.agent-metrics {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    border-top: 1px dashed var(--line);
    padding-top: 12px;
    margin-top: 12px;
    font-size: 10px;
    color: var(--muted);
}
.agent-metrics b {
    font-weight: 500;
    color: var(--ink);
}
.context-view {
    margin-top: 15px;
    font-size: 11px;
    color: var(--muted);
}
.context-view summary {
    cursor: pointer;
}
.context-view pre {
    max-height: 230px;
    overflow: auto;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    font:
        10px/1.6 ui-monospace,
        monospace;
    background: #f0f1e9;
    padding: 10px;
    color: var(--ink);
}
.events {
    list-style: none;
    padding: 12px 0 3px;
    margin: 0;
    font-size: 11px;
    line-height: 2;
    color: var(--muted);
}
.events time {
    font:
        10px ui-monospace,
        monospace;
    margin-right: 12px;
}
.feed-blue {
    color: var(--blue);
}
.feed-red {
    color: var(--red);
}
footer {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    padding-top: 17px;
    font-size: 10px;
    color: #929a92;
}
footer span:first-child {
    font:
        10px ui-monospace,
        monospace;
    letter-spacing: 1px;
}
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
@media (max-width: 700px) {
    .shell {
        padding: 20px;
    }
    .masthead {
        margin-bottom: 19px;
    }
    .brand {
        gap: 8px;
    }
    .brand svg {
        width: 44px;
        height: 44px;
    }
    h1 {
        font-size: 27px;
    }
    h1 span {
        font-size: 10px;
        margin-left: 7px;
        padding: 3px 5px;
    }
    .brand p {
        font-size: 10px;
    }
    .connection {
        font-size: 10px;
    }
    .scoreboard {
        gap: 25px;
        padding: 20px 0;
    }
    .score-team {
        gap: 7px;
    }
    .score-team b {
        font-size: 34px;
        padding: 0 4px;
    }
    .team-mark {
        display: none;
    }
    .score-team strong {
        font-size: 12px;
    }
    .round-clock {
        min-width: 80px;
    }
    .player-strip {
        gap: 17px;
    }
    .player-chip {
        gap: 6px;
        font-size: 11px;
        flex-wrap: wrap;
    }
    .player-chip .weapon {
        margin-left: 0;
    }
    .ammo-slots {
        margin-left: auto;
    }
    .guide-rule {
        display: none;
    }
    .play-guide {
        justify-content: space-between;
        gap: 8px;
    }
    .telemetry {
        gap: 10px;
    }
    .agent-panel {
        padding: 12px;
    }
    .probabilities {
        grid-template-columns: 1fr;
    }
    .decision-group:last-child {
        grid-column: auto;
    }
    .overlay-inner {
        padding: 23px 24px;
    }
    .overlay h2 {
        font-size: 28px;
    }
    .overlay p {
        font-size: 11px;
    }
    .more {
        margin-top: 20px;
    }
}
@media (max-width: 430px) {
    .shell {
        padding: 16px 12px;
    }
    .brand svg {
        display: none;
    }
    h1 {
        font-size: 26px;
    }
    .connection {
        font-size: 9px;
    }
    .toolbar {
        gap: 5px;
    }
    .toolbar select {
        font-size: 12px;
        min-width: 105px;
    }
    .toolbar-actions {
        gap: 5px;
    }
    .toolbar button {
        padding: 7px;
        font-size: 11px;
    }
    .scoreboard {
        gap: 14px;
    }
    .score-team {
        gap: 4px;
    }
    .score-team strong {
        font-size: 11px;
    }
    .score-team b {
        font-size: 30px;
    }
    .round-clock {
        min-width: 70px;
    }
    .round-clock > strong {
        font-size: 23px;
    }
    .overlay-inner {
        padding: 17px 18px;
    }
    .little-note {
        margin-bottom: 8px;
        font-size: 14px;
    }
    .overlay h2 {
        font-size: 24px;
    }
    .overlay p {
        margin: 10px 0 15px;
        font-size: 10px;
    }
    .overlay small {
        margin-top: 11px;
        font-size: 9px;
    }
    .primary {
        font-size: 12px;
        padding: 9px 17px;
    }
    .player-chip {
        gap: 5px;
        font-size: 10px;
    }
    .play-guide {
        font-size: 10px;
    }
    kbd {
        min-width: 17px;
        padding: 2px;
    }
    .telemetry {
        grid-template-columns: 1fr;
    }
    .probabilities {
        grid-template-columns: 1fr 1fr;
    }
    .decision-group:last-child {
        grid-column: 1/-1;
    }
    footer {
        font-size: 9px;
        gap: 5px;
    }
    footer span:first-child {
        font-size: 9px;
        letter-spacing: 0;
    }
}
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}

.toolbar .assist-level-label select {
    min-width: 0;
    width: 112px;
    padding: 7px 5px;
    font-size: 12px;
    border: 1px solid var(--line);
    background: #fffdf6;
}
.toolbar-actions {
    flex-wrap: wrap;
}
.assist-level-label {
    display: flex;
    align-items: center;
}
@media (max-width: 650px) {
    .toolbar {
        align-items: flex-start;
        flex-wrap: wrap;
    }
    .toolbar-actions {
        gap: 6px;
    }
    .toolbar button {
        padding: 7px 8px;
    }
    .toolbar .assist-level-label select {
        width: 104px;
    }
}

.brand {
    color: inherit;
    text-decoration: none;
}
h1 {
    font: 700 29px var(--body);
    letter-spacing: 3px;
}
h1 span {
    font: 10px var(--body);
    letter-spacing: 1.5px;
}
.brand p {
    letter-spacing: 0.4px;
}
.edition-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 0 17px;
}
.edition-nav a {
    color: var(--muted);
    text-decoration: none;
    font-size: 12px;
    padding: 7px 13px;
    border: 1px solid transparent;
    border-radius: 4px;
}
.edition-nav a[aria-current] {
    color: var(--ink);
    border-color: var(--line);
    background: #fffdf6;
}
.edition-nav > span {
    margin-left: auto;
    font: italic 13px var(--hand);
    color: var(--muted);
}
.overlay h2 {
    letter-spacing: -0.7px;
    font-size: 34px;
}
.little-note {
    font-style: italic;
}
.agent-heading {
    gap: 8px;
}
.agent-status {
    text-align: right;
}
.prob-row {
    grid-template-columns: 65px 1fr 30px;
}
.aim-note {
    min-height: 20px;
}
.score-team strong {
    max-width: 160px;
    display: block;
    overflow-wrap: anywhere;
}
.more .model-note {
    max-width: 88ch;
}
.toolbar select {
    min-width: 145px;
}
.toolbar button {
    white-space: nowrap;
}
.player-chip strong {
    line-height: 1.5;
}
.play-guide {
    flex-wrap: wrap;
}
.landing {
    padding-top: 8vh;
}
.edition-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
    margin: 38px 0;
}
.edition-card {
    border: 1px solid #9aa59c;
    border-radius: 4px 12px 5px 9px;
    background: #fffcf4;
    padding: 30px;
    color: inherit;
    text-decoration: none;
    box-shadow: 5px 6px 0 #cbd4c65e;
}
.edition-card h2 {
    font: italic 32px var(--hand);
    margin: 18px 0;
}
.edition-card p {
    line-height: 1.7;
    color: var(--muted);
}
.edition-card small {
    color: var(--blue);
}
@media (max-width: 700px) {
    .edition-nav > span {
        display: none;
    }
    .edition-nav {
        padding-bottom: 10px;
    }
    .masthead {
        flex-wrap: wrap;
    }
    .edition-cards {
        grid-template-columns: 1fr;
    }
    .scoreboard {
        gap: 18px;
    }
    .score-team strong {
        max-width: 108px;
    }
    h1 {
        font-size: 23px;
        letter-spacing: 2px;
    }
    .overlay h2 {
        font-size: 26px;
    }
    .toolbar-actions {
        width: 100%;
    }
    .toolbar-actions button {
        flex: 1;
    }
    .probabilities {
        grid-template-columns: 1fr;
    }
    .decision-group:last-child {
        grid-column: auto;
    }
    .guide-rule {
        display: block;
        margin-left: 0;
        font-size: 9px;
    }
    .player-chip .weapon {
        white-space: normal;
    }
    .overlay p {
        line-height: 1.7;
    }
}
/* Keep the complete arena visible on laptop displays without distorting physics. */
.shell:not(.landing) {
    max-width: min(1080px, max(690px, calc((100svh - 350px) * 1.42857 + 72px)));
    padding-top: 20px;
}
.masthead {
    margin-bottom: 16px;
}
.edition-nav {
    padding-bottom: 10px;
}
.toolbar {
    padding: 8px 0;
}
.toolbar-actions {
    gap: 6px;
}
.toolbar button {
    padding: 7px 8px;
}
.scoreboard {
    gap: 24px;
    padding: 14px 0;
}
.player-strip {
    padding-block: 12px;
}
.more {
    margin-top: 16px;
}
.landing-intro {
    padding: 32px 0 0;
}
.landing-intro h2 {
    font: italic 60px/1.05 var(--hand);
    letter-spacing: -2px;
    margin: 18px 0;
}
.landing-intro p {
    line-height: 1.8;
    color: var(--muted);
}
.edition-card > span {
    font:
        10px ui-monospace,
        monospace;
    letter-spacing: 1px;
    color: var(--muted);
}
.edition-card strong {
    display: block;
    margin-top: 25px;
    color: var(--blue);
}
.edition-card:hover {
    border-color: var(--blue);
}
@media (max-width: 700px) {
    .landing-intro h2 {
        font-size: 46px;
    }
    .scoreboard {
        gap: 14px;
    }
    .overlay h2 {
        font-size: 24px;
    }
    .masthead {
        gap: 10px;
    }
}
/* Per-seat Classic setup shares the arena's paper-and-ink palette. */
.match-setup {
    margin: 0 0 16px;
    border-bottom: 1px solid #d5d6cd;
    padding: 10px 0 16px;
}
.seat-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}
.seat-config {
    border: 1px solid #d9dace;
    border-top: 2px solid currentColor;
    border-radius: 5px;
    padding: 14px;
    background: #fffdf6;
    min-width: 0;
}
.seat-fields {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 90px;
    align-items: end;
    gap: 12px;
}
.seat-fields label {
    display: grid;
    gap: 6px;
    color: #616b65;
    font-size: 11px;
    min-width: 0;
}
.seat-fields select {
    width: 100%;
    min-width: 0;
    font-size: 12px;
    padding: 7px;
}
@media (max-width: 650px) {
    .seat-grid {
        grid-template-columns: 1fr;
    }
}
.seat-config.blue {
    border-top-color: #357a9b;
}
.seat-config.red {
    border-top-color: #c4654b;
}

/* Tank War: live decisions flank a compact arena. */
.tank-war {
    max-width: 1320px;
    padding: 24px 28px;
}
.war-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
}
.war-header h1 {
    font: 750 28px var(--body);
    letter-spacing: 3px;
}
.war-header > button {
    margin-left: auto;
    font-size: 12px;
}
.tank-war .toolbar {
    margin-bottom: 10px;
    padding-bottom: 12px;
}
.tank-war .match-setup {
    padding: 0;
    margin-bottom: 16px;
    border: 0;
}
.tank-war .seat-config {
    padding: 12px 14px;
}
.war-score {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    margin: 12px 0 18px;
}
.war-score > div:not(.war-clock) {
    display: flex;
    align-items: center;
    gap: 18px;
    color: var(--team);
    flex: 1;
}
.war-score > .blue {
    justify-content: flex-end;
}
.war-score strong {
    font-size: 14px;
}
.war-score b {
    font: 700 36px var(--hand);
}
.war-clock {
    display: grid;
    gap: 3px;
    text-align: center;
}
.war-clock span {
    font-size: 10px;
    color: var(--muted);
    letter-spacing: 1px;
}
.war-clock strong {
    font:
        24px ui-monospace,
        monospace;
}
.war-stage {
    display: grid;
    grid-template-columns: minmax(170px, 1fr) minmax(0, 680px) minmax(
            170px,
            1fr
        );
    align-items: start;
    gap: 20px;
}
.war-arena {
    min-width: 0;
}
.tank-war .agent-panel {
    padding: 16px 12px;
    min-width: 0;
    border-top-width: 3px;
}
.tank-war .probabilities {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.tank-war .decision-group {
    padding: 0;
    margin: 0;
    border: 0;
}
.tank-war .decision-head {
    font-size: 13px;
    color: var(--team);
    font-weight: 650;
    margin: 0 0 12px;
}
.tank-war .prob-row {
    grid-template-columns: 50px minmax(0, 1fr) 29px;
    gap: 5px;
    margin: 10px 0;
    font-size: 11px;
}
.tank-war .prob-track {
    height: 5px;
}
.tank-war .player-strip {
    padding: 10px 0 0;
    border: 0;
}
.tank-war .player-strip {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.tank-war .player-chip.red {
    justify-content: flex-end;
}
.tank-war .player-chip {
    padding: 0;
    border: 0;
    background: none;
}
.tank-war .overlay-inner {
    width: auto;
    max-width: 85%;
    padding: 24px 32px;
}
.tank-war .overlay h2 {
    font: 600 28px var(--hand);
    margin: 0 0 18px;
}
.tank-war .overlay p {
    font-size: 13px;
}
.tank-war .board-corner {
    font-size: 9px;
}
@media (max-width: 1000px) {
    .tank-war {
        padding: 18px 14px;
    }
    .war-stage {
        grid-template-columns: 155px minmax(0, 1fr) 155px;
        gap: 12px;
    }
    .tank-war .agent-panel {
        padding: 12px 8px;
    }
}
@media (max-width: 700px) {
    .war-stage {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }
    .war-arena {
        grid-column: 1 / -1;
        grid-row: 1;
    }
    .tank-war .seat-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .tank-war .toolbar {
        flex-wrap: wrap;
        gap: 8px;
    }
    .war-score {
        gap: 14px;
    }
    .war-score > div:not(.war-clock) {
        gap: 8px;
    }
    .war-score strong {
        font-size: 12px;
    }
    .war-header h1 {
        font-size: 22px;
    }
}

.tank-war.human-challenge {
    max-width: min(1160px, max(580px, calc((100svh - 270px) * 1.42857 + 276px)));
}
.human-challenge .war-header {
    justify-content: center;
    margin-bottom: 12px;
}
.human-challenge .toolbar {
    justify-content: center;
}
.human-challenge .war-stage {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 20px;
}
.human-challenge .war-score,
.human-challenge .challenge-controls {
    margin-right: 220px;
}
.challenge-controls {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px 24px;
    margin: 18px 0 0;
    font-size: 12px;
    color: var(--muted);
}
.challenge-controls span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
@media (max-width: 700px) {
    .tank-war.human-challenge {
        max-width: 100%;
    }
    .human-challenge .war-stage {
        grid-template-columns: minmax(0, 1fr);
        gap: 14px;
    }
    .human-challenge .war-score,
    .human-challenge .challenge-controls {
        margin-right: 0;
    }
    .human-challenge .probabilities {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 14px;
    }
    .human-challenge .prob-row {
        grid-template-columns: minmax(0, 1fr) 29px;
        row-gap: 5px;
    }
    .human-challenge .prob-track {
        grid-column: 1 / -1;
        grid-row: 2;
    }
}

/* Public lobby: a compact roster in play, an ordered queue while waiting. */
.arena-lobby {
    margin: 18px auto 0;
    padding: 14px 16px;
    border: 1.5px solid #c6cec1;
    border-radius: 6px 12px 5px 8px;
    background: #fffcf4;
    text-align: left;
    max-width: 680px;
}
.arena-lobby header { display: flex; justify-content: space-between; gap: 16px; font-size: 13px; color: var(--muted); }
.lobby-playing { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.lobby-player { padding: 5px 8px; border: 1px solid #dce0d6; border-radius: 5px; font-size: 11px; }
.lobby-queue { list-style: none; position: relative; padding: 0; margin: 12px 0 0; max-height: 180px; overflow-y: auto; overscroll-behavior: contain; }
.lobby-queue li { display: grid; grid-template-columns: 35px minmax(0, 1fr) 30px; align-items: center; gap: 8px; padding: 10px 9px; border: 1px solid transparent; border-bottom-color: #e5e7df; border-radius: 4px; font-size: 13px; }
.lobby-queue strong { font-weight: 500; overflow-wrap: anywhere; }
.lobby-position { color: var(--muted); font-variant-numeric: tabular-nums; }
.arena-lobby .is-you { background: #e3eff3; border-color: var(--blue); color: var(--blue); }
.lobby-you { font-size: 11px; font-weight: 700; }
.arena-lobby .lobby-empty { font-size: 12px; color: var(--muted); margin: 12px 0 0; }
.arena-lobby.waiting-view { margin: 0 0 16px; padding: 12px; min-width: min(280px, 55vw); }
.waiting-view .lobby-playing { display: none; }
.human-challenge .overlay-inner:has(.waiting-view) { transform: none; max-height: calc(100% - 16px); overflow-y: auto; padding: 18px 22px; }
.human-challenge #name-a { font-size: clamp(11px, 1.7vw, 17px); max-width: 180px; overflow-wrap: anywhere; }
@media (max-width: 600px) {
    .waiting-view .lobby-queue { max-height: 120px; }
    .human-challenge .overlay-inner:has(.waiting-view) { max-width: 94%; padding: 10px 12px; }
    .human-challenge .overlay-inner:has(.waiting-view) h2 { margin-bottom: 8px; font-size: 22px; }
    .human-challenge .overlay-inner:has(.waiting-view) p { margin: 6px 0 10px; }
}

.toolbar a { color: var(--ink); text-decoration: none; border-bottom: 1px solid currentColor; font-size: 12px; }
.coop-rule { text-align: center; color: var(--muted); font-size: 12px; }
.coop #status { text-align: center; color: var(--muted); font-size: 13px; min-height: 1.5em; }
.coop #arena { min-height: 140px; }

/* Pointer and touch input affect controls only; the original physics still runs. */
.human-challenge #arena { touch-action: none; cursor: crosshair; }
.touch-controls { display: none; }
.pointer-hint { text-align: center; margin: 14px 220px 0 0; color: var(--muted); font-size: 12px; }
.joystick-zone, .joystick, .touch-fire { touch-action: none; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
.joystick { position: relative; display: grid; place-items: center; width: 112px; height: 112px; border: 2px solid #357a9b77; border-radius: 50%; background: #357a9b0b; }
.joystick::before, .joystick::after { content: ''; position: absolute; background: #357a9b25; }
.joystick::before { width: 72px; height: 1px; }
.joystick::after { width: 1px; height: 72px; }
.joystick-knob { z-index: 1; width: 48px; height: 48px; background: #e0ebee; border: 2px solid var(--blue); border-radius: 45% 50% 46% 49%; box-shadow: 2px 3px 0 #357a9b20; pointer-events: none; }
.touch-fire { width: 82px; height: 82px; border: 2px solid var(--red); border-radius: 50% 46% 49% 45%; background: #fff6ef; color: var(--red); font: 600 23px var(--hand); padding: 0; }
.touch-fire.pressed { background: var(--red); color: #fffaf0; transform: scale(.96); }
@media (any-pointer: coarse), (max-width: 700px) {
    .human-challenge .touch-controls { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 12px max(8px, env(safe-area-inset-right)) 6px max(8px, env(safe-area-inset-left)); }
    .human-challenge .challenge-controls, .human-challenge .pointer-hint { display: none; }
    .human-challenge .war-header { margin-bottom: 6px; }
    .human-challenge .war-score { margin-top: 12px; margin-bottom: 12px; }
    .human-challenge .toolbar button { min-height: 40px; }
    .human-challenge { padding-bottom: max(14px, env(safe-area-inset-bottom)); }
}

/* Phone probabilities stay readable without taking space from the arena. */
@media (max-width: 700px) {
    .human-challenge .agent-panel { padding: 8px; }
    .human-challenge .probabilities { gap: 10px; }
    .human-challenge .decision-head { font-size: 11px; margin-bottom: 6px; }
    .human-challenge .prob-row { font-size: 10px; margin: 6px 0; row-gap: 3px; }
    .human-challenge .prob-track { height: 3px; }
}
/* Landscape phones: use the available height for the arena, with thumb controls
   outside it. A compact right rail carries the model probabilities. */
@media (orientation: landscape) and (max-height: 520px) and (max-width: 1100px) {
    .tank-war.human-challenge {
        display: grid;
        grid-template-columns: 112px minmax(0, 1fr) 96px;
        grid-template-rows: 40px auto;
        column-gap: 8px;
        width: 100%;
        max-width: none;
        padding: 6px max(10px, env(safe-area-inset-right)) 4px max(10px, env(safe-area-inset-left));
    }
    .human-challenge .war-header { grid-column: 1; grid-row: 1; margin: 0; padding: 0; border: 0; gap: 4px; }
    .human-challenge .war-header h1 { font-size: 15px; letter-spacing: 1px; }
    .human-challenge .toolbar { grid-column: 1; grid-row: 2; align-self: start; padding: 4px 0; margin: 0; border: 0; }
    .human-challenge .toolbar-actions { display: flex; flex-direction: column; gap: 5px; width: 100%; }
    .human-challenge .toolbar button { min-height: 30px; padding: 5px 4px; font-size: 10px; }
    .human-challenge .war-score { grid-column: 2; grid-row: 1; margin: 0; gap: 10px; }
    .human-challenge .war-score > div:not(.war-clock) { gap: 6px; }
    .human-challenge .war-score strong, .human-challenge #name-a { font-size: 10px; max-width: 100px; }
    .human-challenge .war-score b { font-size: 24px; }
    .human-challenge .war-clock strong { font-size: 18px; }
    .human-challenge .war-clock span { font-size: 8px; }
    .human-challenge .war-stage { display: contents; }
    .human-challenge .war-arena { grid-column: 2; grid-row: 2; justify-self: center; width: min(100%, calc((100svh - 74px) * 1.42857)); }
    .human-challenge .player-strip { padding-top: 5px; }
    .human-challenge .agent-panel { grid-column: 3; grid-row: 2; padding: 6px 4px; }
    .human-challenge .probabilities { display: flex; flex-direction: column; gap: 5px; }
    .human-challenge .decision-head { font-size: 9px; margin: 0 0 3px; }
    .human-challenge .prob-row { grid-template-columns: 36px minmax(0, 1fr) 22px; gap: 2px; font-size: 8px; line-height: 10px; margin: 3px 0; }
    .human-challenge .prob-track { grid-column: auto; grid-row: auto; height: 3px; }
    .human-challenge .touch-controls { display: flex; position: fixed; z-index: 5; left: max(10px, env(safe-area-inset-left)); right: max(10px, env(safe-area-inset-right)); bottom: max(8px, env(safe-area-inset-bottom)); padding: 0; pointer-events: none; }
    .human-challenge .joystick-zone, .human-challenge .touch-fire { pointer-events: auto; }
    .human-challenge .joystick { width: 112px; height: 112px; }
    .human-challenge .joystick-knob { width: 48px; height: 48px; }
    .human-challenge .touch-fire { width: 72px; height: 72px; margin-right: 10px; font-size: 21px; }
    .human-challenge .challenge-controls, .human-challenge .pointer-hint { display: none; }
    .human-challenge #lobby-home { grid-column: 1 / -1; }
    .human-challenge .overlay-inner { padding: 12px 20px; }
    .human-challenge .overlay h2 { font-size: 24px; margin-bottom: 12px; }
}

@media (orientation: landscape) and (max-height: 520px) and (max-width: 1100px) {
    html:has(.human-challenge), body:has(.human-challenge) {
        height: 100svh;
        overflow: hidden;
        overscroll-behavior: none;
    }
    .tank-war.human-challenge { height: 100svh; grid-template-rows: 32px minmax(0, 1fr); }
    .human-challenge .war-header { display: none; }
    .human-challenge .toolbar { position: fixed; top: max(8px, env(safe-area-inset-top)); left: max(10px, env(safe-area-inset-left)); width: 88px; padding: 0; z-index: 6; }
    .human-challenge .toolbar-actions { gap: 4px; }
    .human-challenge .toolbar button { min-height: 28px; }
    .human-challenge .war-arena { width: min(100%, calc((100svh - 60px) * 1.42857)); align-self: start; }
    .human-challenge .touch-controls { top: 0; bottom: 0; align-items: center; justify-content: space-between; }
    .human-challenge .agent-panel { position: fixed; right: max(10px, env(safe-area-inset-right)); bottom: max(6px, env(safe-area-inset-bottom)); width: 96px; padding: 3px 4px; }
    .human-challenge .probabilities { gap: 2px; }
    .human-challenge .decision-head { font-size: 8px; line-height: 9px; margin: 0 0 1px; }
    .human-challenge .prob-row { font-size: 7px; line-height: 8px; margin: 0; min-height: 9px; }
    .human-challenge .prob-track { height: 2px; }
    .human-challenge #lobby-home { display: none; }
}
@media (orientation: landscape) and (max-height: 300px) and (max-width: 1100px) {
    .human-challenge .agent-panel { display: none; }
    .human-challenge .toolbar-actions { gap: 2px; }
    .human-challenge .toolbar button { min-height: 24px; padding: 3px; }
    .human-challenge .joystick { width: 96px; height: 96px; }
    .human-challenge .joystick-knob { width: 44px; height: 44px; }
}

@media (orientation: landscape) and (max-height: 350px) and (max-width: 1100px) {
    .human-challenge .agent-panel { display: none; }
}
@media (orientation: landscape) and (max-height: 520px) and (max-width: 1100px) {
    .human-challenge:not(:has(.waiting-view)) { touch-action: none; }
    .human-challenge .waiting-view .lobby-queue { touch-action: pan-y; overscroll-behavior: contain; }
}

/* Desktop players choose a control scheme before joining; touch stays direct. */
.control-picker { border: 0; padding: 0; margin: 0 0 18px; min-width: 0; text-align: left; }
.control-picker[hidden] { display: none; }
.control-picker legend { padding: 0; margin-bottom: 10px; font-size: 12px; color: var(--muted); }
.control-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.control-card { position: relative; display: flex; flex-direction: column; gap: 6px; padding: 16px 12px; border: 1.5px solid var(--line); border-radius: 8px 5px 10px 6px; background: #fffcf4; cursor: pointer; }
.control-card input { position: absolute; top: 12px; right: 10px; margin: 0; accent-color: var(--blue); }
.control-card strong { font-size: 16px; padding-right: 20px; }
.control-card span, .control-card small { font-size: 12px; line-height: 1.5; color: var(--muted); }
.control-card:has(input:checked) { border-color: var(--blue); background: #edf4f5; box-shadow: 2px 3px 0 #357a9b18; }
.control-card:has(input:checked) strong { color: var(--blue); }
.control-card:has(input:focus-visible) { outline: 2px solid var(--blue); outline-offset: 3px; }
.human-challenge .overlay-inner:has(.control-picker:not([hidden])) { width: 650px; max-width: calc(100% - 28px); }
.human-challenge[data-control-scheme="mouse"] .challenge-controls { display: none; }
.human-challenge[data-control-scheme="keyboard"] .pointer-hint { display: none; }

/* Fixed thumb control, positioned beside the arena in landscape. */
.joystick-zone { position: relative; width: 176px; height: 176px; margin-bottom: 16px; transform: translateY(16px); flex-shrink: 0; display: grid; place-items: center; }
.joystick-zone .joystick { position: relative; width: 176px; height: 176px; pointer-events: none; }
.joystick-zone .joystick-knob { width: 72px; height: 72px; }
.joystick-hint { display: none; }
@media (orientation: landscape) and (max-height: 520px) and (max-width: 1100px) {
    .human-challenge { --stick-size: clamp(136px, 44svh, 176px); }
    .tank-war.human-challenge { grid-template-columns: var(--stick-size) minmax(0, 1fr) 96px; }
    .human-challenge .joystick-zone {
        width: var(--stick-size); height: var(--stick-size);
        margin-bottom: 0;
        transform: translateY(clamp(24px, 10svh, 44px));
        /* When arena height limits its width, close the unused gap on its left. */
        margin-left: max(0px, calc((100% - var(--stick-size) - 112px - (100svh - 60px) * 1.42857) / 2));
    }
    .human-challenge .joystick { width: var(--stick-size); height: var(--stick-size); }
    .human-challenge .joystick-knob { width: clamp(56px, 18svh, 72px); height: clamp(56px, 18svh, 72px); }
    .human-challenge:has(.overlay:not([hidden])) .joystick-zone { pointer-events: none; }
}

.human-challenge[data-control-scheme="hybrid"] .challenge-controls { display: none; }
@media (max-width: 800px) {
    .control-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .control-card:has(input[value="hybrid"]) { grid-column: 1 / -1; }
}
/* Keep the control chooser inside a narrow arena viewport. */
.human-challenge .overlay { grid-template-columns: minmax(0, 1fr); }
.human-challenge .overlay-inner:has(.control-picker:not([hidden])) { min-width: 0; max-height: calc(100% - 18px); overflow-y: auto; }