:root {
  color-scheme: dark;
  --bg: #102d27;
  --table: #193c35;
  --rack: #0b211e;
  --line: #35564b;
  --ink: #f3e9d7;
  --muted: #b1c0b7;
  --gold: #e5c17c;
  --amber: #e4af6b;
  --tw: 60px;
  --th: 82px;
  --tile-body: url("../assets/tiles/tile-body-v2.png");
  --joker: url("../assets/tiles/joker-v2.png");
  --double: url("../assets/tiles/double-v2.png");
  --change: url("../assets/tiles/change-v2.png");
  --mirror: url("../assets/tiles/mirror-v2.png");
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font:
    14px/1.5 "PingFang SC",
    "Noto Sans SC",
    "Microsoft YaHei",
    sans-serif;
}
button,
select {
  font: inherit;
  color: inherit;
}
button {
  cursor: pointer;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #1e4037;
  padding: 9px 15px;
  min-height: 44px;
}
button:hover {
  background-color: #2c5145;
}
button:disabled {
  opacity: 0.38;
  cursor: default;
}
button:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}
.primary {
  background: var(--gold);
  color: #17342b;
  border-color: var(--gold);
  font-weight: 600;
}
.primary:hover {
  background: #f0d398;
}
.quiet {
  background: transparent;
}
.app {
  max-width: 1500px;
  height: 100dvh;
  min-height: 620px;
  margin: auto;
  display: flex;
  flex-direction: column;
  padding: 24px 32px max(20px, env(safe-area-inset-bottom));
  gap: 14px;
  overflow: hidden;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex: none;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.seal {
  font: 25px/1.1 serif;
  background: var(--ink);
  color: var(--bg);
  border-radius: 6px;
  padding: 6px 8px;
}
.brand h1 {
  font:
    24px/1.2 "Noto Serif SC",
    "Songti SC",
    serif;
  margin: 0;
}
.brand small {
  font-size: 11px;
  color: var(--muted);
}
.scenario-picker {
  display: flex;
  align-items: center;
  gap: 8px;
}
select {
  background: #1a3b32;
  border: 1px solid var(--line);
  border-radius: 9px;
  min-height: 44px;
  padding: 8px 30px 8px 12px;
  max-width: 250px;
}
.brief {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex: none;
}
.brief p {
  margin: 0;
  max-width: 850px;
  color: var(--muted);
  font-size: 13px;
}
.brief strong {
  display: block;
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 3px;
}
.guide-actions {
  display: flex;
  gap: 8px;
  flex: none;
}
#status {
  font-size: 12px;
  color: var(--gold);
  min-height: 18px;
}
.board {
  position: relative;
  background: var(--table);
  border: 1px solid var(--line);
  border-radius: 18px;
  min-height: 190px;
  flex: 1;
  overflow: hidden;
}
.board-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px 7px;
  height: 42px;
  color: var(--muted);
  font-size: 12px;
}
.board-scroll {
  position: absolute;
  inset: 42px 0 62px;
  overflow: auto;
  padding: 12px 20px 36px;
  overscroll-behavior: contain;
  scrollbar-color: #527367 transparent;
  scrollbar-width: thin;
}
.groups {
  display: flex;
  align-items: flex-start;
  align-content: flex-start;
  flex-wrap: wrap;
  gap: 18px 24px;
}
.meld {
  max-width: 100%;
  min-width: 130px;
  padding: 4px 8px 8px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: #16382f;
}
.meld.invalid {
  border-color: #b0824b;
  background: #243d30;
}
.meld-head {
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 11px;
  color: var(--muted);
}
.handle {
  min-height: 26px;
  padding: 0 3px;
  border: 0;
  border-radius: 3px;
  background: transparent;
  font-size: 12px;
  color: var(--muted);
  cursor: grab;
  touch-action: none;
}
.meld-label {
  max-width: 380px;
  color: var(--amber);
  font-size: 11px;
}
.meld-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  max-width: 100%;
  padding: 5px 2px 8px;
  scrollbar-width: thin;
  scrollbar-color: #688273 transparent;
  overscroll-behavior: contain;
  touch-action: pan-x;
}
.tile-line {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  width: max-content;
  min-height: var(--th);
}
.tile {
  position: relative;
  width: var(--tw);
  height: var(--th);
  flex: none;
  padding: 0;
  border: 0;
  min-height: 0;
  border-radius: 7px;
  background: var(--tile-body) center/100% 100% no-repeat;
  box-shadow: 0 3px 3px #0003;
  color: #26749e;
  cursor: grab;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  transition: filter 0.12s;
}
.tile:hover {
  background-color: transparent;
  filter: brightness(1.06);
}
.tile[data-kind="joker"] {
  background-image: var(--joker);
}
.tile[data-kind="double"] {
  background-image: var(--double);
}
.tile[data-kind="change"] {
  background-image: var(--change);
}
.tile[data-kind="mirror"] {
  background-image: var(--mirror);
}
.tile[data-color="red"] {
  color: #b54f3b;
}
.tile[data-color="yellow"] {
  color: #a87819;
}
.tile[data-color="black"] {
  color: #303a36;
}
.number {
  position: absolute;
  top: 20%;
  left: 0;
  right: 0;
  text-align: center;
  font:
    600 34px/1.1 "Arial",
    sans-serif;
  letter-spacing: -1px;
}
.dot {
  position: absolute;
  top: 68%;
  left: calc(50% - 4px);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}
.binding {
  position: absolute;
  top: -9px;
  right: -3px;
  font-size: 10px;
  padding: 1px 4px;
  border-radius: 5px;
  background: var(--gold);
  color: #183b30;
  pointer-events: none;
}
.tile.selected {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  transform: translateY(-4px);
}
.tile.drag-source {
  opacity: 0.22;
  transform: none;
}
.slot {
  flex: none;
  width: var(--tw);
  height: var(--th);
  border: 1px dashed var(--gold);
  border-radius: 7px;
  background: #e5c17c18;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 12px;
}
.preview-break {
  margin-left: 15px;
}
.replace-target {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}
.new-group {
  position: absolute;
  bottom: 10px;
  left: 20px;
  right: 20px;
  height: 42px;
  border: 1px dashed #698174;
  background: #14372e;
  color: var(--muted);
  font-size: 12px;
  border-radius: 9px;
}
.new-group.active {
  border-color: var(--gold);
  color: var(--gold);
  background: #314b34;
}
.error-bar {
  display: none;
  position: absolute;
  left: 20px;
  right: 20px;
  top: 42px;
  z-index: 4;
  padding: 8px 12px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-radius: 8px;
  border: 1px solid #b0824b;
  background: #453d27;
  color: #f8dba9;
  font-size: 12px;
}
.error-bar.show {
  display: flex;
}
.error-bar button {
  min-height: 32px;
  padding: 3px 12px;
  border-color: #ad8953;
  font-size: 12px;
}
.pending {
  display: none;
  align-items: center;
  gap: 12px;
  min-height: 90px;
  border: 1px solid #927747;
  border-radius: 12px;
  padding: 8px 16px;
  background: #263e2d;
  flex: none;
}
.pending.show {
  display: flex;
}
.pending-caption {
  font-size: 12px;
  color: var(--gold);
  max-width: 190px;
}
.pending-caption small {
  display: block;
  color: var(--muted);
  font-size: 11px;
}
.pending .tile {
  --tw: 44px;
  --th: 60px;
}
.pending .number {
  font-size: 26px;
}
.pending-tiles {
  display: flex;
  gap: 6px;
  overflow: auto;
  padding: 5px;
}
.reserved {
  opacity: 0.65;
}
.rack {
  background: var(--rack);
  border-radius: 18px;
  padding: 14px 20px;
  flex: none;
}
.rack-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.rack-top h2 {
  font-size: 14px;
  font-weight: 500;
  margin: 0;
}
.rack-top h2 b {
  font: 500 16px Arial;
  margin-left: 8px;
  color: var(--gold);
}
.tools {
  display: flex;
  gap: 6px;
}
.tools button {
  min-height: 32px;
  padding: 4px 10px;
  font-size: 11px;
  background: transparent;
}
.tools button[aria-pressed="true"] {
  color: var(--gold);
  border-color: var(--gold);
}
.rack-viewport {
  overflow: auto;
  height: 92px;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: #527367 transparent;
  padding: 6px 3px 4px;
}
.hand {
  display: grid;
  grid-template-columns: repeat(auto-fill, var(--tw));
  gap: 10px 4px;
  min-height: var(--th);
  align-content: start;
}
.empty-hand {
  font-size: 13px;
  color: var(--muted);
  grid-column: 1/-1;
  align-self: center;
  margin: 20px 0;
}
.actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
}
.selection-label {
  flex: 1;
  font-size: 12px;
  color: var(--muted);
}
.actions button {
  min-width: 96px;
}
#submit {
  min-width: 180px;
}
.rack-hint {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
  gap: 10px;
}
details {
  position: relative;
}
summary {
  cursor: pointer;
  white-space: nowrap;
}
#state-panel {
  position: absolute;
  bottom: 24px;
  right: 0;
  width: 320px;
  max-height: 270px;
  overflow: auto;
  z-index: 10;
  background: #0c241f;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  box-shadow: 0 8px 25px #0004;
  font-size: 12px;
}
#state-panel p {
  margin: 3px 0;
}
.toast {
  position: fixed;
  left: 50%;
  bottom: 235px;
  transform: translateX(-50%);
  background: #f3e9d7;
  color: #183b30;
  padding: 9px 18px;
  border-radius: 9px;
  max-width: 90vw;
  z-index: 30;
  font-size: 13px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
}
.toast.visible {
  opacity: 1;
}
.ghost {
  position: fixed;
  z-index: 100;
  pointer-events: none;
  display: flex;
  gap: 4px;
  filter: drop-shadow(0 12px 10px #0005);
  transform: rotate(-2deg);
}
.ghost .tile {
  cursor: grabbing;
}
.ghost .tile.selected {
  outline: 0;
  transform: none;
}
body.dragging {
  cursor: grabbing;
}
.win {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: #091d17ba;
  display: none;
  place-items: center;
  padding: 20px;
}
.win.show {
  display: grid;
}
.win-content {
  width: 380px;
  max-width: 100%;
  padding: 40px 28px;
  text-align: center;
  border: 1px solid #8d784b;
  background: #16382f;
  border-radius: 20px;
}
.win-content h2 {
  font:
    30px "Songti SC",
    serif;
  margin: 0 0 14px;
}
.win-content p {
  color: var(--muted);
  margin-bottom: 26px;
}
.win-content button {
  width: 100%;
}
.focus-pulse {
  animation: focus-pulse 0.7s ease-out 2;
}
@keyframes focus-pulse {
  50% {
    box-shadow: 0 0 0 4px #e5c17c70;
  }
}
@media (min-width: 850px) {
  .rack-viewport {
    height: 92px;
  }
  .app {
    gap: 16px;
  }
  .board-scroll {
    padding-top: 18px;
  }
  .meld-head {
    height: 24px;
  }
  .rack {
    padding-top: 16px;
  }
  #demo {
    min-width: 140px;
  }
}
@media (max-width: 700px) {
  :root {
    --tw: 44px;
    --th: 66px;
  }
  .app {
    padding: 12px 12px max(12px, env(safe-area-inset-bottom));
    gap: 10px;
    min-height: 580px;
  }
  header {
    gap: 8px;
  }
  .brand {
    gap: 8px;
  }
  .brand h1 {
    font-size: 19px;
  }
  .brand small {
    font-size: 9px;
  }
  .seal {
    font-size: 20px;
    padding: 5px 6px;
  }
  .scenario-picker {
    gap: 4px;
  }
  select {
    width: 151px;
    max-width: 44vw;
    font-size: 11px;
    min-height: 40px;
    padding-left: 8px;
  }
  .brief {
    align-items: flex-start;
    gap: 8px;
  }
  .brief strong {
    font-size: 13px;
  }
  .brief p {
    font-size: 11px;
    line-height: 1.5;
  }
  .guide-actions {
    gap: 4px;
  }
  .guide-actions button {
    font-size: 11px;
    min-height: 36px;
    padding: 6px 9px;
  }
  #reset {
    min-width: 36px;
  }
  #demo {
    max-width: 90px;
  }
  .board {
    border-radius: 14px;
    min-height: 170px;
  }
  .board-top {
    padding: 8px 12px;
    height: 34px;
    font-size: 11px;
  }
  .board-scroll {
    inset: 34px 0 56px;
    padding: 6px 10px 32px;
  }
  .groups {
    gap: 12px 10px;
  }
  .meld {
    padding: 2px 5px 5px;
    min-width: 106px;
  }
  .meld-head {
    height: 25px;
  }
  .meld-label {
    max-width: 225px;
    font-size: 10px;
  }
  .handle {
    font-size: 10px;
  }
  .number {
    font-size: 28px;
    top: 20%;
  }
  .dot {
    width: 6px;
    height: 6px;
    left: calc(50% - 3px);
  }
  .binding {
    font-size: 8px;
    top: -6px;
  }
  .meld-scroll {
    padding: 4px 2px 5px;
  }
  .new-group {
    left: 10px;
    right: 10px;
    bottom: 8px;
    height: 38px;
    font-size: 11px;
  }
  .error-bar {
    left: 10px;
    right: 10px;
    top: 34px;
    font-size: 11px;
    padding: 5px 8px;
  }
  .error-bar button {
    white-space: nowrap;
  }
  .pending {
    padding: 5px 10px;
    min-height: 76px;
    gap: 8px;
  }
  .pending-caption {
    max-width: 155px;
    font-size: 11px;
  }
  .pending-caption small {
    font-size: 10px;
  }
  .pending .tile {
    --tw: 38px;
    --th: 52px;
  }
  .pending .number {
    font-size: 24px;
  }
  .rack {
    padding: 12px;
    border-radius: 14px;
  }
  .rack-top {
    margin-bottom: 6px;
  }
  .rack-top h2 {
    font-size: 13px;
  }
  .tools button {
    font-size: 10px;
    padding: 4px 7px;
    min-height: 32px;
  }
  .rack-viewport {
    height: 146px;
    padding: 5px 2px;
  }
  .hand {
    gap: 8px 4px;
    grid-template-columns: repeat(auto-fill, 44px);
  }
  .actions {
    flex-wrap: wrap;
    margin-top: 8px;
    gap: 6px;
  }
  .selection-label {
    flex-basis: 100%;
    min-height: 16px;
    font-size: 11px;
  }
  .actions button {
    min-width: 0;
    flex: 1;
    padding: 8px;
    min-height: 44px;
    font-size: 13px;
  }
  #submit {
    flex: 2;
    min-width: 0;
  }
  .rack-hint {
    font-size: 10px;
    margin-top: 7px;
  }
  #status {
    font-size: 10px;
    min-height: 15px;
  }
  .toast {
    bottom: 285px;
    max-width: 92vw;
    font-size: 12px;
    white-space: normal;
    width: max-content;
  }
  .ghost {
    transform: rotate(-3deg);
  }
  #state-panel {
    width: min(310px, 82vw);
  }
}
@media (max-height: 720px) and (max-width: 700px) {
  .brand small {
    display: none;
  }
  .brief p {
    max-height: 34px;
    overflow: auto;
  }
  .rack-viewport {
    height: 76px;
  }
  .toast {
    bottom: 205px;
  }
  .app {
    min-height: 510px;
  }
  .rack-hint {
    margin-top: 5px;
  }
  .selection-label {
    display: none;
  }
  .pending {
    min-height: 62px;
  }
  .brief strong {
    margin: 0;
  }
}
.groups {
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
}
.meld {
  width: 100%;
  min-width: 0;
}
.tile-line {
  position: relative;
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* Full game shell, reusing the approved table and tile materials. */
[hidden] {
  display: none !important;
}
body {
  overflow-x: hidden;
}
.app {
  min-height: 0;
  gap: 12px;
}
.header-actions {
  display: flex;
  gap: 8px;
}
.header-actions button {
  min-height: 40px;
}
.session-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}
.session-meta b {
  color: var(--ink);
  font: 500 16px Arial;
}
#save-status {
  font-size: 10px;
  color: var(--muted);
}
.board {
  min-height: 140px;
}
.empty-table {
  padding: 35px 12px;
  text-align: center;
  color: var(--muted);
  align-self: center;
}
.empty-table span {
  font:
    22px "Songti SC",
    serif;
  color: var(--ink);
}
.empty-table p {
  font-size: 13px;
  line-height: 1.9;
}
.selection-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  margin-top: 6px;
}
.selection-tools button {
  min-height: 30px;
  padding: 4px 10px;
  font-size: 11px;
}
.selection-tools .selection-label {
  flex: 1;
}
.actions {
  justify-content: flex-end;
  margin-top: 6px;
}
.actions button {
  min-width: 110px;
}
#submit {
  min-width: 180px;
}
.place-actions {
  display: flex;
  gap: 8px;
  padding-top: 4px;
}
.place-actions button {
  min-height: 30px;
  padding: 3px 10px;
  font-size: 11px;
  background: transparent;
  border-style: dashed;
}
.save-warning {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
  border: 1px solid #927747;
  background: #453d27;
  color: #f4dfb7;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 12px;
  flex: none;
}
.save-warning button {
  min-height: 32px;
  white-space: nowrap;
  font-size: 12px;
  padding: 3px 10px;
}
footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 10px;
  flex: none;
  height: 18px;
}
footer button {
  min-height: 20px;
  padding: 0 4px;
  background: none;
  border: 0;
  font-size: 11px;
  color: var(--muted);
}
dialog {
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--bg);
  color: var(--ink);
  max-width: calc(100vw - 28px);
  max-height: calc(100dvh - 32px);
  width: 420px;
  box-shadow: 0 20px 80px #0006;
}
dialog::backdrop {
  background: #061c15b5;
}
.dialog-content {
  padding: 28px;
}
.dialog-content h2 {
  font:
    26px/1.4 "Songti SC",
    serif;
  margin: 0 0 14px;
}
.dialog-content p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
}
.dialog-actions {
  display: flex;
  gap: 8px;
  margin-top: 22px;
  justify-content: flex-end;
}
.result-dialog {
  text-align: center;
}
.result-dialog button {
  width: 100%;
  margin-top: 10px;
}
.eyebrow {
  letter-spacing: 2px;
  font-size: 11px !important;
  color: var(--gold) !important;
}
.rules-dialog {
  width: 740px;
}
.rules-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.rules-heading button {
  flex: none;
}
.rules-dialog h3 {
  font-size: 15px;
  margin: 22px 0 5px;
}
.special-guide {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 20px;
}
.special-guide article {
  display: flex;
  gap: 12px;
  align-items: center;
}
.special-guide img {
  width: 54px;
  height: 74px;
  object-fit: contain;
}
.special-guide h3 {
  margin: 0;
}
.special-guide p {
  font-size: 12px;
  margin: 4px 0;
}
.tile:disabled {
  opacity: 1;
  cursor: default;
}
.handle {
  min-width: 44px;
}
.meld-label {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.app.has-pending .rack-viewport {
  height: 76px;
}
@media (max-width: 700px) {
  .app {
    gap: 8px;
    padding: 12px;
  }
  .brand h1 {
    font-size: 18px;
  }
  .brand small {
    font-size: 9px;
  }
  .header-actions {
    gap: 5px;
  }
  .header-actions button {
    font-size: 11px;
    padding: 7px 9px;
    min-height: 38px;
  }
  .brief {
    align-items: center;
  }
  .brief p {
    font-size: 11px;
  }
  .session-meta {
    font-size: 11px;
  }
  .board {
    min-height: 130px;
  }
  .rack {
    padding: 10px 12px;
  }
  .rack-top {
    gap: 6px;
  }
  .tools {
    gap: 4px;
  }
  .tools button {
    padding: 4px 6px;
    font-size: 10px;
  }
  .selection-tools {
    gap: 5px;
    min-height: 26px;
  }
  .selection-tools .selection-label {
    font-size: 10px;
    flex-basis: auto;
    min-height: 0;
  }
  .selection-tools button {
    font-size: 10px;
    padding: 3px 6px;
    white-space: nowrap;
    min-height: 28px;
  }
  .actions {
    flex-wrap: nowrap;
  }
  .actions button {
    min-width: 0;
  }
  #submit {
    min-width: 0;
  }
  .rack-hint {
    font-size: 9px;
  }
  .empty-table {
    padding: 20px 8px;
  }
  .empty-table span {
    font-size: 20px;
  }
  .empty-table p {
    font-size: 12px;
  }
  .place-actions button {
    min-height: 36px;
  }
  .app.has-pending .brief p {
    display: none;
  }
  .app.has-pending .pending {
    min-height: 62px;
  }
  .dialog-content {
    padding: 22px;
  }
  .dialog-content h2 {
    font-size: 23px;
  }
  .special-guide {
    grid-template-columns: 1fr;
  }
  .rules-heading {
    gap: 8px;
  }
  .save-warning {
    font-size: 11px;
    padding: 6px 8px;
    gap: 6px;
  }
  .save-warning button {
    font-size: 10px;
  }
  .toast {
    bottom: 260px;
  }
  .has-pending .board {
    min-height: 110px;
  }
}
@media (max-height: 720px) and (max-width: 700px) {
  .app {
    padding: 8px 12px;
    gap: 6px;
  }
  .brief p {
    display: none;
  }
  .rack-viewport {
    height: 76px;
  }
  .selection-tools {
    min-height: 22px;
  }
  .selection-tools .selection-label {
    display: none;
  }
  .rack-hint {
    margin-top: 4px;
  }
  .has-pending .board {
    min-height: 95px;
  }
  .pending-caption small {
    line-height: 1.4;
  }
  .toast {
    bottom: 210px;
  }
  footer {
    height: 16px;
  }
  .rack {
    padding-top: 8px;
    padding-bottom: 8px;
  }
}
@media (max-height: 550px) and (min-width: 701px) {
  :root {
    --tw: 44px;
    --th: 66px;
  }
  .app {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    grid-template-rows: 42px minmax(0, 1fr) 20px;
    height: 100dvh;
    min-height: 340px;
    padding: 10px;
    gap: 8px;
  }
  header {
    grid-column: 1;
    grid-row: 1;
  }
  .brand h1 {
    font-size: 18px;
  }
  .brand small {
    display: none;
  }
  .seal {
    font-size: 20px;
  }
  .header-actions button {
    font-size: 11px;
    padding: 6px 9px;
  }
  .brief {
    display: none;
  }
  .board {
    grid-column: 1;
    grid-row: 2;
    min-height: 0;
  }
  .rack {
    grid-column: 2;
    grid-row: 1/3;
    display: flex;
    flex-direction: column;
    min-height: 0;
    padding: 10px;
  }
  .rack-viewport,
  .app.has-pending .rack-viewport {
    height: auto;
    flex: 1;
    min-height: 50px;
  }
  .hand {
    gap: 8px 4px;
  }
  .rack-top {
    margin-bottom: 4px;
  }
  .tools button {
    padding: 3px 5px;
    font-size: 10px;
  }
  .selection-tools .selection-label {
    display: none;
  }
  .actions {
    flex-wrap: nowrap;
  }
  .actions button,
  #submit {
    min-width: 0;
    flex: 1;
    padding: 7px;
    font-size: 12px;
  }
  #submit {
    flex: 1.5;
  }
  .rack-hint {
    font-size: 9px;
  }
  footer {
    grid-column: 1/-1;
    grid-row: 3;
  }
  .pending.show {
    grid-column: 1;
    grid-row: 2;
    align-self: end;
    z-index: 5;
    margin: 0 10px 60px;
    padding: 5px 10px;
    min-height: 62px;
  }
  .app.has-pending .board-scroll {
    bottom: 140px;
  }
  .pending .tile {
    --tw: 38px;
    --th: 52px;
  }
  .number {
    font-size: 28px;
  }
  .dot {
    width: 6px;
    height: 6px;
    left: calc(50% - 3px);
  }
  .save-warning {
    position: fixed;
    top: 60px;
    left: 20px;
    right: 350px;
    z-index: 20;
  }
  .toast {
    bottom: 45px;
  }
  .board-top {
    padding: 8px 12px;
    height: 34px;
  }
  .board-scroll {
    inset: 34px 0 62px;
    padding: 8px 10px 30px;
  }
  .meld {
    padding: 2px 5px 5px;
  }
  .new-group {
    left: 10px;
    right: 10px;
  }
}
@media (max-height: 580px) and (max-width: 700px) {
  .app {
    height: auto;
    min-height: 100dvh;
    overflow: visible;
  }
  .board {
    height: 210px;
    flex: none;
  }
  .rack {
    position: sticky;
    bottom: 0;
    z-index: 5;
  }
}
/* A single scrollable cloth; groups occupy cells without visible grid lines. */
.board-scroll {
  touch-action: pan-x pan-y;
}
.groups {
  display: block;
  position: relative;
  gap: 0;
  min-height: 128px;
}
.groups .meld {
  position: absolute;
  max-width: none;
  min-width: 0;
  margin: 0;
  padding: 0 8px 6px;
  border: 1px solid #406254;
  background: #123329;
  border-radius: 10px;
}
.groups .meld-head {
  height: 24px;
  position: relative;
}
.groups .handle {
  width: 100%;
  height: 24px;
  min-height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.grip {
  width: 28px;
  height: 3px;
  background: #6e8a78;
  border-radius: 2px;
  opacity: 0.65;
}
.groups .handle:hover .grip {
  background: var(--gold);
  opacity: 1;
}
.groups .meld-label {
  position: absolute;
  right: 2px;
  top: 3px;
  font-size: 10px;
  pointer-events: none;
}
.groups .meld-scroll {
  overflow: visible;
  max-width: none;
  padding: 5px 0 3px;
  touch-action: auto;
}
.groups .meld.invalid {
  border-color: #b0824b;
  background: #243d30;
}
.groups .place-actions {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 5;
  background: var(--rack);
  padding: 3px;
  border-radius: 6px;
}
.groups .place-actions button {
  min-height: 30px;
  font-size: 10px;
  padding: 3px 6px;
}
.meld:has(.slot),
.meld:has(.selected) {
  z-index: 4;
}
.groups .group-moving {
  z-index: 10;
  opacity: 0.8;
  pointer-events: none;
  box-shadow: 0 8px 16px #0005;
}
.group-drop {
  position: absolute;
  z-index: 2;
  border: 1px dashed var(--gold);
  border-radius: 10px;
  background: #e5c17c16;
  pointer-events: none;
}
/* Empty cloth is the new-group destination; reclaim the dedicated drop strip. */
.board .board-scroll,
.app.has-pending .board .board-scroll {
  bottom: 12px;
}
.board:has(.error-bar.show) .board-scroll {
  bottom: 58px;
}
#board-scroll:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -3px;
}
@media (max-width: 700px) {
  .rack-top {
    flex-wrap: wrap;
  }
  .rack-top .tools {
    margin-left: auto;
    flex-wrap: wrap;
  }
}
/* Grow with the hand before scrolling; never hide extra rows without controls. */
@media (min-height: 551px) {
  .app .rack .rack-viewport {
    height: auto;
    max-height: calc(var(--th) * 3 + 30px);
  }
}
@media (min-height: 551px) and (max-width: 700px) {
  .app .rack .rack-viewport {
    max-height: calc(var(--th) * 2 + 18px);
  }
  .app.has-pending .rack .rack-viewport {
    max-height: calc(var(--th) + 10px);
  }
}
.rack-browse {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-top: 5px;
  color: var(--muted);
  font-size: 11px;
}
.rack-browse button {
  min-height: 28px;
  padding: 3px 8px;
  font-size: 11px;
  background: transparent;
}
.rack-browse span {
  text-align: center;
}
@media (min-height:551px) and (max-height:700px) and (min-width:701px) {
  .app .rack .rack-viewport { max-height:calc(var(--th) + 10px); }
}
.empty-table { width:min(100%, calc(100vw - 64px)); }