/* ============================================================
   WANG 游戏厅 · 移动端单任务牌盒
   桌面保持原布局；手机一次只展示一个清晰任务。
   ============================================================ */

.mobile-action-nav,
.lobby-mobile-nav {
  display: none;
}

@media (max-width: 700px), (max-width: 900px) and (max-height: 500px) {
  :root {
    --mobile-room-head: calc(52px + env(safe-area-inset-top));
    --mobile-glass: color-mix(in srgb, var(--surface) 88%, transparent);
    --mobile-shadow: none;
  }

  * {
    -webkit-tap-highlight-color: transparent;
  }

  html,
  body {
    width: 100%;
    max-width: 100%;
    min-height: 100%;
    overscroll-behavior: none;
  }

  body {
    min-height: 100svh;
    min-height: 100dvh;
    overflow-x: hidden;
    font-size: 14px;
    line-height: 1.45;
  }

  body:not([data-view="room"]) {
    height: 100svh;
    height: 100dvh;
    overflow: hidden;
  }

  input,
  select,
  textarea {
    min-height: 44px;
    border-radius: var(--r);
    font-size: 16px;
    padding: 9px 12px;
  }

  .btn {
    min-height: 44px;
    border-radius: var(--r);
    font-weight: 650;
    transition:
      transform 120ms var(--ease-out),
      background-color 160ms ease,
      border-color 160ms ease,
      color 160ms ease;
  }

  .btn:active:not(:disabled),
  .mobile-action-tab:active,
  .lobby-mobile-nav button:active {
    transform: scale(0.98);
    transition-duration: 80ms;
  }

  .topbar {
    position: relative;
    height: calc(52px + env(safe-area-inset-top));
    padding-top: env(safe-area-inset-top);
    background: var(--mobile-glass);
    border-bottom-color: color-mix(in srgb, var(--line) 75%, transparent);
    backdrop-filter: blur(22px) saturate(150%);
  }

  .topbar-inner {
    height: 52px;
    padding-inline:
      max(14px, env(safe-area-inset-left))
      max(14px, env(safe-area-inset-right));
  }

  .brand {
    font-size: 20px;
    letter-spacing: -0.025em;
  }

  .brand-sub {
    font-size: 12px;
    letter-spacing: 0.04em;
  }

  .top-nick {
    max-width: 38vw;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    border-radius: var(--r);
  }

  /* 首页：标题 + 三段任务选择 + 单一活动面板 */
  #view-landing {
    display: grid;
    grid-template-rows: auto 52px minmax(0, 1fr);
    gap: 10px;
    width: 100%;
    height: calc(100svh - 52px - env(safe-area-inset-top));
    height: calc(100dvh - 52px - env(safe-area-inset-top));
    min-height: 0;
    padding:
      10px
      max(14px, env(safe-area-inset-right))
      max(10px, env(safe-area-inset-bottom))
      max(14px, env(safe-area-inset-left));
    overflow: hidden;
  }

  .landing-intro {
    min-height: 68px;
    padding: 6px 2px 11px;
    align-items: center;
    border-bottom: 0;
  }

  .landing-intro h1 {
    font-family: var(--font);
    font-size: clamp(26px, 8vw, 34px);
    font-weight: 760;
    line-height: 1;
    letter-spacing: -0.055em;
  }

  .section-index {
    margin-bottom: 7px;
    color: var(--accent);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.13em;
  }

  .landing-status {
    align-self: end;
    margin-bottom: 2px;
    padding: 5px 8px;
    border: 1px solid var(--border);
    border-radius: var(--r);
    background: color-mix(in srgb, var(--surface) 76%, transparent);
    font-size: 10px;
  }

  .mobile-action-nav,
  .lobby-mobile-nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: center;
    gap: 3px;
    min-height: 52px;
    padding: 4px;
    border: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
    border-radius: var(--r);
    background: color-mix(in srgb, var(--surface-2) 86%, transparent);
  }

  .mobile-action-tab,
  .lobby-mobile-nav button {
    min-width: 0;
    min-height: 44px;
    padding: 6px 10px;
    border: 0;
    border-radius: var(--r);
    color: var(--text-3);
    background: transparent;
    font: 650 13px/1 var(--font);
    cursor: pointer;
    transition:
      transform 120ms var(--ease-out),
      color 160ms ease,
      background-color 160ms ease,
      box-shadow 180ms ease;
  }

  .mobile-action-tab[aria-selected="true"],
  .lobby-mobile-nav button[aria-selected="true"] {
    color: var(--text);
    background: var(--surface);
  }

  .mobile-action-tab[aria-selected="true"]::before,
  .lobby-mobile-nav button[aria-selected="true"]::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-right: 6px;
    border-radius: 50%;
    background: var(--accent);
    vertical-align: 1px;
  }

  .mobile-tab-count {
    display: inline-flex;
    min-width: 18px;
    height: 18px;
    margin-left: 3px;
    padding-inline: 5px;
    align-items: center;
    justify-content: center;
    border-radius: var(--r);
    color: var(--accent-text);
    background: var(--accent-soft);
    font: 700 10px/1 var(--mono);
    vertical-align: 1px;
  }

  .landing-actions {
    position: relative;
    display: block;
    min-height: 0;
    overflow: hidden;
    border: 0;
    border-radius: var(--r);
    background: var(--surface);
    box-shadow: var(--mobile-shadow);
  }

  #view-landing .action-section,
  #view-landing .action-section:first-child,
  #view-landing .action-section:nth-child(2),
  #view-landing .action-section:last-child {
    position: absolute;
    inset: 0;
    display: block;
    min-width: 0;
    height: 100%;
    padding: 15px 16px max(15px, env(safe-area-inset-bottom));
    overflow-x: hidden;
    overflow-y: auto;
    border: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(8px) scale(0.99);
    transition:
      opacity 180ms ease,
      transform 240ms var(--ease-out),
      visibility 0s linear 240ms;
    overscroll-behavior: contain;
    scrollbar-width: none;
  }

  #view-landing .action-section::-webkit-scrollbar,
  .lobby-grid > .panel::-webkit-scrollbar,
  .room-list::-webkit-scrollbar,
  .chat-log::-webkit-scrollbar,
  .tt-opponents::-webkit-scrollbar,
  .dv-opponents::-webkit-scrollbar,
  .zj-opps::-webkit-scrollbar,
  .bj-opps::-webkit-scrollbar,
  .mono-opponents::-webkit-scrollbar {
    display: none;
  }

  #view-landing .action-section[data-mobile-active="true"] {
    z-index: 1;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    transition-delay: 0s;
  }

  #view-landing .action-section h2 {
    margin-bottom: 10px;
    font-size: 17px;
    letter-spacing: -0.02em;
  }

  #view-landing .form label {
    margin-bottom: 8px;
    color: var(--text-3);
    font-size: 11px;
    font-weight: 650;
    letter-spacing: 0.02em;
  }

  #view-landing .form label > input,
  #view-landing .form label > select {
    margin-top: 3px;
  }

  #view-landing .check {
    min-height: 44px;
    margin: 2px 0 7px;
    align-items: center;
    color: var(--text-2);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0;
  }

  #view-landing .check input {
    width: 20px;
    min-width: 20px;
    height: 20px;
    min-height: 20px;
    margin: 0;
  }

  #view-landing .btn-block {
    min-height: 46px;
  }

  #landing-panel-join .form {
    display: grid;
    align-content: start;
    gap: 4px;
  }

  .rooms-panel .panel-head {
    margin-bottom: 10px;
  }

  .rooms-panel .panel-head .btn {
    min-height: 44px;
  }

  .room-list {
    max-height: calc(100% - 48px);
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: none;
  }

  .room-list li {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 6px 8px;
    padding: 11px 12px;
    border-radius: var(--r);
  }

  .room-list .rl-meta {
    grid-column: 1 / -1;
    width: 100%;
  }

  .room-list .rl-meta .btn {
    min-height: 44px;
    margin-left: auto;
  }

  /* 房间头：只保留当前房间、房间码和即时操作 */
  body[data-view="room"] {
    width: 100%;
    height: 100svh;
    height: 100dvh;
    min-height: 0;
    overflow: hidden;
    --room-perimeter: var(--bg);
    --room-chrome: var(--surface);
    --room-control: var(--surface-2);
  }

  body[data-view="room"] #view-room {
    height: 100svh;
    height: 100dvh;
    min-height: 0;
    overflow: hidden;
  }

  body[data-view="room"] .room-head {
    position: relative;
    z-index: 130;
    width: 100%;
    height: var(--mobile-room-head);
    min-height: var(--mobile-room-head);
    padding:
      env(safe-area-inset-top)
      max(8px, env(safe-area-inset-right))
      0
      max(10px, env(safe-area-inset-left));
    border-bottom: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
    background: var(--mobile-glass);
    backdrop-filter: blur(22px) saturate(150%);
  }

  body[data-view="room"] .room-meta {
    width: 100%;
    height: 52px;
    min-height: 52px;
    flex-wrap: nowrap;
    gap: 5px;
  }

  body[data-view="room"] .room-brand,
  body[data-view="room"] #room-game-badge,
  body[data-view="room"] #room-count,
  body[data-view="room"] #room-vis,
  body[data-view="room"] .connection-label {
    display: none;
  }

  body[data-view="room"] .room-meta h1 {
    display: block;
    flex: 1 1 auto;
    min-width: 42px;
    max-width: none;
    margin: 0;
    overflow: hidden;
    color: var(--text);
    font-family: var(--font);
    font-size: 15px;
    font-weight: 760;
    line-height: 1.1;
    letter-spacing: -0.025em;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  body[data-view="room"] .room-meta h1:focus,
  body[data-room-scene="game"] .game-root [tabindex="-1"]:focus {
    outline: none;
  }

  body[data-view="room"] .code-chip {
    flex: none;
    min-width: 58px;
    min-height: 44px;
    padding: 5px 8px;
    border-radius: var(--r);
    color: var(--accent-text);
    background: var(--accent-soft);
    border-color: transparent;
    font-size: 12px;
    font-weight: 750;
    letter-spacing: 0.11em;
  }

  body[data-view="room"] .connection-state {
    flex: none;
    width: 18px;
    height: 36px;
    margin-left: 0;
    justify-content: center;
  }

  body[data-view="room"] .chat-toggle,
  body[data-view="room"] .leave-room-btn {
    flex: none;
    min-width: 48px;
    min-height: 44px;
    padding: 6px 9px;
    border-color: transparent;
    background: transparent;
    font-size: 12px;
  }

  body[data-view="room"] .chat-toggle[aria-expanded="true"] {
    color: var(--accent-text);
    background: var(--accent-soft);
  }

  body[data-view="room"] .leave-room-btn {
    color: var(--danger);
  }

  body[data-view="room"] .room-body,
  body[data-room-scene="lobby"] .room-body,
  body[data-room-scene="game"] .room-body {
    display: block;
    width: 100%;
    height: calc(100svh - var(--mobile-room-head));
    height: calc(100dvh - var(--mobile-room-head));
    min-height: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
  }

  body[data-view="room"] .room-content,
  body[data-room-scene="lobby"] .room-content,
  body[data-room-scene="game"] .room-content {
    width: 100%;
    height: 100%;
    min-height: 0;
    padding: 0;
    overflow: hidden;
  }

  /* 大厅：游戏/玩家两张可切换任务牌 */
  .lobby-mobile-nav {
    position: relative;
    z-index: 2;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: calc(100% - 24px);
    height: 52px;
    min-height: 52px;
    margin: 9px 12px 7px;
  }

  .lobby-mobile-nav button {
    min-height: 44px;
  }

  .lobby-grid {
    position: relative;
    display: block;
    width: 100%;
    height: calc(100% - 68px);
    min-height: 0;
  }

  .lobby-grid > .panel {
    position: absolute;
    inset: 0 10px 10px;
    display: none;
    height: auto;
    padding: 12px;
    overflow-x: hidden;
    overflow-y: auto;
    border-color: color-mix(in srgb, var(--border) 88%, transparent);
    border-radius: var(--r);
    background: var(--surface);
    box-shadow: var(--mobile-shadow);
    overscroll-behavior: contain;
    scrollbar-width: none;
  }

  .lobby-grid > .panel[data-lobby-active="true"] {
    display: block;
    animation: mobile-panel-in 240ms var(--ease-out);
  }

  .lobby-grid > .panel > h2,
  .lobby-grid > .panel .panel-head h2 {
    margin: 0;
    font-size: 15px;
  }

  .lobby-grid > .panel > h2 {
    margin-bottom: 9px;
  }

  .lobby-grid .panel-head {
    margin-bottom: 9px;
  }

  .game-card-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 7px;
  }

  .game-card {
    min-height: 58px;
    padding: 7px 5px;
    justify-content: center;
    border-radius: var(--r);
    text-align: center;
  }

  .game-card .gc-name {
    font-size: 12px;
    line-height: 1.25;
  }

  .game-card .gc-meta {
    display: none;
  }

  .game-card.selected {
    color: var(--accent-text);
    border-color: var(--accent);
    background: var(--accent-soft);
  }

  .rules-box {
    max-height: 118px;
    margin-top: 9px;
    padding: 9px 10px;
    overflow-y: auto;
    border-radius: var(--r);
    font-size: 11px;
    line-height: 1.35;
    scrollbar-width: none;
  }

  .rules-box::-webkit-scrollbar {
    display: none;
  }

  .rules-box ul {
    margin-top: 5px;
    padding-left: 16px;
  }

  .rules-box li {
    margin-bottom: 2px;
  }

  .control-actions {
    position: sticky;
    bottom: -1px;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
    margin: 9px -2px -2px;
    padding: 4px 2px 2px;
    background: linear-gradient(transparent, var(--surface) 22%);
  }

  .control-actions .btn {
    width: 100%;
  }

  .control-actions .hint {
    grid-column: 1 / -1;
    margin: 0;
    text-align: center;
  }

  .players-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
  }

  .player-tile {
    min-width: 0;
    min-height: 66px;
    padding: 8px;
    gap: 5px;
    border-radius: var(--r);
  }

  .avatar {
    width: 28px;
    height: 28px;
    border-radius: var(--r);
  }

  .player-tile .pt-name {
    font-size: 12px;
  }

  .player-tile .pt-tags {
    gap: 4px;
  }

  .tag {
    padding: 3px 5px;
    font-size: 9px;
  }

  .bot-panel {
    margin-top: 9px;
    padding-top: 8px;
  }

  .bot-panel-head {
    margin-bottom: 6px;
  }

  .bot-panel-head .btn,
  .bot-item .btn {
    min-height: 44px;
  }

  .bot-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .bot-item {
    min-width: 0;
    border-radius: var(--r);
    font-size: 11px;
  }

  /* 聊天：浮在当前任务上方的可中断底部抽屉 */
  body[data-view="room"] .chat-panel,
  body[data-room-scene="game"] .chat-panel,
  body[data-room-scene="lobby"] .chat-panel,
  body[data-view="room"] .room-body.chat-collapsed .chat-panel {
    position: fixed;
    z-index: 150;
    inset: auto 0 0;
    display: flex;
    width: 100%;
    min-width: 0;
    height: min(68svh, 560px);
    height: min(68dvh, 560px);
    min-height: 260px;
    padding-bottom: env(safe-area-inset-bottom);
    overflow: hidden;
    border: 1px solid color-mix(in srgb, var(--border-strong) 70%, transparent);
    border-width: 1px 0 0;
    border-radius: var(--r) var(--r) 0 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(102%);
    background: color-mix(in srgb, var(--mobile-glass) 92%, transparent);
    box-shadow: none;
    backdrop-filter: blur(24px) saturate(155%);
    transition:
      transform 320ms var(--ease-out),
      opacity 180ms ease,
      visibility 0s linear 320ms;
  }

  body[data-view="room"] .chat-panel.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    transition-delay: 0s;
  }

  .chat-head {
    min-height: 44px;
    padding-inline: 16px 10px;
    border-bottom-color: color-mix(in srgb, var(--border) 70%, transparent);
    font-family: var(--font);
    font-size: 12px;
    font-weight: 720;
    letter-spacing: 0.02em;
  }

  .chat-close {
    width: 44px;
    height: 44px;
    border-radius: var(--r);
  }

  .chat-log {
    padding: 12px 14px;
    overflow-y: auto;
    scrollbar-width: none;
  }

  .chat-form {
    padding: 9px max(10px, env(safe-area-inset-right)) 9px max(10px, env(safe-area-inset-left));
    background: transparent;
  }

  .chat-form .btn {
    min-height: 44px;
  }

  /* 游戏：牌桌严格使用房间头之外的动态视口 */
  body[data-room-scene="game"] #game-root,
  body[data-room-scene="game"] .game-root {
    width: 100%;
    max-width: 100%;
    height: 100% !important;
    min-height: 0 !important;
    max-height: 100%;
    overflow: hidden !important;
  }

  body[data-room-scene="game"] .tt-stage,
  body[data-room-scene="game"] .dv-table,
  body[data-room-scene="game"] .zj-table,
  body[data-room-scene="game"] .bj-table,
  body[data-room-scene="game"] .dg-table,
  body[data-room-scene="game"] .dg-studio,
  body[data-room-scene="game"] .spy-table,
  body[data-room-scene="game"] .wl-table,
  body[data-room-scene="game"] .mono-stage {
    width: 100%;
    max-width: 100%;
    height: 100% !important;
    min-height: 0 !important;
    max-height: 100%;
  }

  body[data-room-scene="game"] .game-gomoku,
  body[data-room-scene="game"] .game-tictactoe,
  body[data-room-scene="game"] .game-drawguess,
  body[data-room-scene="game"] .game-spy,
  body[data-room-scene="game"] .game-werewolf,
  body[data-room-scene="game"] .game-monopoly {
    height: 100%;
    min-height: 0 !important;
    overflow: hidden;
  }

  body[data-room-scene="game"] .board-arena,
  body[data-room-scene="game"] .game-gomoku .board-arena,
  body[data-room-scene="game"] .game-tictactoe .board-arena {
    height: calc(100% - 48px) !important;
    min-height: 0 !important;
    max-height: calc(100% - 48px);
  }

  body[data-room-scene="game"] .tt-opponents,
  body[data-room-scene="game"] .dv-opponents,
  body[data-room-scene="game"] .zj-opps,
  body[data-room-scene="game"] .bj-opps,
  body[data-room-scene="game"] .mono-opponents {
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
  }

  body[data-room-scene="game"] .tt-actions,
  body[data-room-scene="game"] .game-actions,
  body[data-room-scene="game"] .dg-actions,
  body[data-room-scene="game"] .wl-actions {
    max-width: calc(100vw - 16px);
  }

  body[data-room-scene="game"] .game-root button {
    min-height: 44px;
  }

  body[data-room-scene="game"] .game-davinci .dv-row.mine {
    width: min(100%, calc(100vw - 20px));
    max-width: calc(100vw - 20px);
    min-height: 154px;
    padding: 34px 4px 8px;
    overflow-x: clip;
    justify-content: center;
  }

  body[data-room-scene="game"] .game-davinci .dv-row.mine .dv-card,
  body[data-room-scene="game"] .game-davinci .dv-mine.active .dv-row.mine .dv-card {
    flex: 1 1 72px;
    width: auto;
    min-width: 0;
    max-width: 72px;
    height: auto;
    aspect-ratio: 18 / 28;
    margin-left: -12px;
  }

  body[data-room-scene="game"] .game-davinci .dv-row.mine .dv-card:first-child,
  body[data-room-scene="game"] .game-davinci .dv-mine.active .dv-row.mine .dv-card:first-child {
    margin-left: 0;
  }

  body[data-room-scene="game"] .game-davinci .dv-row.mine .dv-front {
    font-size: clamp(15px, 5vw, 20px);
  }

  body[data-room-scene="game"] .game-davinci .dv-opp .dv-row {
    width: min(calc(100vw - 36px), 320px);
    max-width: calc(100vw - 36px);
    min-height: 110px;
    padding: 24px 4px 8px;
    overflow-x: clip;
    justify-content: center;
  }

  body[data-room-scene="game"] .game-davinci .dv-opp .dv-card {
    flex: 1 1 54px;
    width: auto;
    min-width: 0;
    max-width: 54px;
    height: auto;
    aspect-ratio: 9 / 14;
  }

  body[data-room-scene="game"] .tt-actions .btn,
  body[data-room-scene="game"] .game-actions .btn,
  body[data-room-scene="game"] .dg-actions .btn,
  body[data-room-scene="game"] .wl-actions .btn {
    min-height: 44px;
  }

  body[data-room-scene="game"] .game-blackjack .bj-table > .tt-actions {
    max-height: min(220px, 32dvh);
    overflow-x: hidden;
    overflow-y: auto;
    scrollbar-width: none;
  }

  body[data-room-scene="game"] .game-blackjack .bj-table > .tt-player {
    bottom: min(230px, 34dvh);
  }

  body[data-room-scene="game"] .game-zhajinhua .zj-table > .tt-actions {
    max-height: min(168px, 26dvh);
    overflow-x: hidden;
    overflow-y: auto;
    scrollbar-width: none;
  }

  body[data-room-scene="game"] .game-zhajinhua .zj-table > .tt-player {
    bottom: min(178px, 28dvh);
  }

  body[data-room-scene="game"] .game-blackjack .tt-actions::-webkit-scrollbar,
  body[data-room-scene="game"] .game-zhajinhua .tt-actions::-webkit-scrollbar {
    display: none;
  }

  .toast-root {
    top: calc(var(--mobile-room-head) + 8px);
    right: max(10px, env(safe-area-inset-right));
    left: max(10px, env(safe-area-inset-left));
    max-width: none;
  }

  .toast {
    border-radius: var(--r);
  }

  @keyframes mobile-panel-in {
    from {
      opacity: 0;
      transform: translateY(6px) scale(0.99);
    }
    to {
      opacity: 1;
      transform: none;
    }
  }
}

/* 极短横屏：保留任务完整性，压缩装饰，把溢出留在局部面板 */
@media (max-width: 700px) and (max-height: 680px), (max-width: 900px) and (max-height: 500px) {
  #view-landing {
    grid-template-rows: auto 44px minmax(0, 1fr);
    gap: 6px;
    padding-block: 6px;
  }

  .landing-intro {
    min-height: 50px;
    padding-block: 2px 6px;
  }

  .landing-intro h1 {
    font-size: 24px;
  }

  .section-index {
    margin-bottom: 4px;
  }

  .mobile-action-nav {
    min-height: 52px;
  }

  #view-landing .action-section,
  #view-landing .action-section:first-child,
  #view-landing .action-section:nth-child(2),
  #view-landing .action-section:last-child {
    padding: 11px 13px;
  }

  body[data-view="room"] {
    --mobile-room-head: calc(48px + env(safe-area-inset-top));
  }

  body[data-view="room"] .room-meta {
    height: 48px;
    min-height: 48px;
  }

  .lobby-mobile-nav {
    height: 52px;
    min-height: 52px;
    margin-block: 6px 5px;
  }

  .lobby-grid {
    height: calc(100% - 63px);
  }

  .game-card {
    min-height: 48px;
  }

  .rules-box {
    max-height: 82px;
  }
}

@media (max-width: 700px) and (prefers-reduced-motion: reduce), (max-width: 900px) and (max-height: 500px) and (prefers-reduced-motion: reduce) {
  #view-landing .action-section,
  .lobby-grid > .panel,
  body[data-view="room"] .chat-panel {
    animation: none !important;
    transform: none !important;
    transition: opacity 160ms ease, visibility 0s linear 160ms !important;
  }
}

@media (max-width: 700px) and (prefers-reduced-transparency: reduce), (max-width: 900px) and (max-height: 500px) and (prefers-reduced-transparency: reduce) {
  .topbar,
  body[data-view="room"] .room-head,
  body[data-view="room"] .chat-panel {
    background: var(--surface);
    backdrop-filter: none;
  }
}

@media (max-width: 700px) and (prefers-contrast: more), (max-width: 900px) and (max-height: 500px) and (prefers-contrast: more) {
  .topbar,
  body[data-view="room"] .room-head,
  .landing-actions,
  .lobby-grid > .panel,
  body[data-view="room"] .chat-panel {
    border-color: var(--text);
    background: var(--surface);
  }

  .mobile-action-tab[aria-selected="true"],
  .lobby-mobile-nav button[aria-selected="true"] {
    outline: 2px solid var(--text);
    outline-offset: -2px;
  }
}