:root {
  color-scheme: dark;
  --bg: #0d0f13;
  --panel: #151920;
  --panel-2: #1c212b;
  --line: #272d38;
  --text: #e9ebf0;
  --muted: #98a0ae;
  --accent: #f2b544;
  --accent-ink: #1f1605;
  --danger: #ff8f80;

  --grid: #07090c;
  --sq: #1a1e26;
  --tw: #9f3434;
  --dw: #8d3e61;
  --tl: #2d5a9e;
  --dl: #2a7285;

  --tile-top: #f6ecd4;
  --tile-bot: #e5d4ac;
  --tile-edge: #b09c70;
  --tile-ink: #1c1810;
  --blank-ink: #a24b22;

  /* Rack tile size: seven tiles, gaps and padding fit a 360px phone. */
  --rt: clamp(34px, calc((100vw - 84px) / 7), 54px);

  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.4;
}

* { box-sizing: border-box; }

/* A double tap zooms the board, not the page, so turn off the browser's own
   double-tap zoom everywhere. Pinch zoom still works. */
html { touch-action: manipulation; }

body {
  margin: 0;
  min-height: 100dvh;
  color: var(--text);
  background:
    radial-gradient(1100px 700px at 50% -15%, #1b2130 0%, transparent 70%),
    var(--bg);
  background-attachment: fixed;
}

h1, h2 { margin: 0; }
h2 { font-size: 15px; font-weight: 700; letter-spacing: .01em; }

button {
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 9px 15px;
  cursor: pointer;
  transition: background-color .12s, border-color .12s;
}
button:hover:not(:disabled) { background: #242a36; border-color: #394153; }
button:disabled { opacity: .4; cursor: default; }
button:focus-visible, summary:focus-visible, input:focus-visible + span {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
button.primary { background: var(--accent); border-color: transparent; color: var(--accent-ink); }
button.primary:hover:not(:disabled) { background: #f7c35e; border-color: transparent; }

/* --- Header ------------------------------------------------------------- */

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px;
}
.brand { display: flex; gap: 3px; }
.brand .tile {
  width: 30px;
  height: 30px;
  font-size: 30px;
  cursor: default;
  touch-action: auto;
}
.brand .tile:nth-child(odd) { transform: rotate(-3deg); }
.brand .tile:nth-child(even) { transform: rotate(2deg) translateY(1px); }

/* --- Layout ------------------------------------------------------------- */

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  grid-template-areas: "play scores" "play side";
  grid-template-rows: auto 1fr;
  gap: 16px 24px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 16px 32px;
}
.scores { grid-area: scores; }
.play-area { grid-area: play; }
.side { grid-area: side; }

@media (max-width: 900px) {
  .layout {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "scores" "play" "side";
    grid-template-rows: auto;
  }
  .top { padding-bottom: 12px; }
  .brand .tile { width: 24px; height: 24px; font-size: 24px; }
  .player { padding: 9px 12px; }
  .player .score { font-size: 26px; }
}

.play-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

/* --- Board -------------------------------------------------------------- */

/* The board zooms inside this frame (main.js sets its transform). While
   zoomed, one finger pans the board instead of scrolling the page. */
.board-view {
  width: min(100%, max(320px, calc(100dvh - 285px)), 780px);
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--grid);
  border-radius: 12px;
  box-shadow: 0 0 0 1px var(--line), 0 24px 60px rgba(0, 0, 0, .55);
  user-select: none;
  -webkit-user-select: none;
}
.board-view.zoomed { touch-action: none; }
/* Stacked layout: leave room below the board for the rack and buttons. */
@media (max-width: 900px) { .board-view { width: min(100%, max(260px, calc(100dvh - 365px))); } }

.board {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: repeat(15, minmax(0, 1fr));
  grid-template-rows: repeat(15, minmax(0, 1fr));
  gap: 2px;
  padding: 5px;
  background: var(--grid);
  border-radius: 12px;
  container-type: inline-size;
  transform-origin: 0 0;
  transition: transform .25s ease;
}
.board.panning { transition: none; }
@media (prefers-reduced-motion: reduce) {
  .board { transition: none; }
}

.cell {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  background: var(--sq);
  border-radius: 3px;
  color: rgba(255, 255, 255, .82);
  cursor: pointer;
}
.cell.tw { background: var(--tw); }
.cell.dw, .cell.st { background: var(--dw); }
.cell.tl { background: var(--tl); }
.cell.dl { background: var(--dl); }

.prem {
  font-size: 2.05cqi;
  font-weight: 700;
  letter-spacing: .03em;
  pointer-events: none;
}
.cell.st .prem { font-size: 3.8cqi; color: #ffd4e5; }

.cell.cursor { box-shadow: inset 0 0 0 2px var(--accent); }
.cell.cursor::after {
  content: "▶";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 2.6cqi;
  color: var(--accent);
  background: rgba(13, 15, 19, .55);
  border-radius: inherit;
}
.cell.cursor[data-dir="down"]::after { content: "▼"; }
.cell.drop {
  box-shadow: inset 0 0 0 2px var(--accent);
  background-image: linear-gradient(rgba(242, 181, 68, .28), rgba(242, 181, 68, .28));
}

/* --- Tiles -------------------------------------------------------------- */

.tile {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  border-radius: 12%;
  background: linear-gradient(180deg, var(--tile-top), var(--tile-bot));
  color: var(--tile-ink);
  box-shadow: inset 0 -0.06em 0 var(--tile-edge), 0 0.03em 0.08em rgba(0, 0, 0, .55);
  touch-action: none;
  cursor: grab;
  /* A long press mustn't select the letter or open a callout mid-drag. */
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}
.tile .l { font-size: .54em; font-weight: 800; line-height: 1; transform: translateX(-6%); }
.tile .p {
  position: absolute;
  right: 9%;
  bottom: 7%;
  font-size: .21em;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
}
.tile.blank .l { color: var(--blank-ink); }

/* Played tiles don't drag, so a touch on them can still scroll the page. */
.cell .tile { font-size: 6.1cqi; cursor: default; touch-action: manipulation; }
.cell .tile.pending { cursor: grab; touch-action: none; }

.tile.pending {
  background: linear-gradient(180deg, #fff8e6, #f2e0b4);
  box-shadow: inset 0 -0.06em 0 var(--tile-edge), 0 0 0 2px var(--accent), 0 .1em .25em rgba(0, 0, 0, .6);
  z-index: 1;
}
.tile.last { background: linear-gradient(180deg, #fbe2a2, #eccb7c); }
.tile.fresh { animation: drop-in .38s cubic-bezier(.2, .9, .3, 1.3) both; }
@keyframes drop-in {
  from { transform: scale(.4); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .tile.fresh { animation: none; }
}

/* --- Rack --------------------------------------------------------------- */

.tray {
  display: flex;
  justify-content: center;
  gap: 5px;
  width: calc(7 * var(--rt) + 6 * 5px + 22px);
  max-width: 100%;
  min-height: calc(var(--rt) + 18px);
  padding: 9px 11px;
  background: linear-gradient(180deg, #252b37, #1a1f28);
  border-radius: 12px;
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, .55), 0 0 0 1px var(--line);
}
.tray .tile {
  flex: none;
  width: var(--rt);
  height: var(--rt);
  font-size: var(--rt);
  transition: transform .12s;
}
.tray .tile.selected {
  transform: translateY(-5px);
  box-shadow: inset 0 -0.06em 0 var(--tile-edge), 0 0 0 2px var(--accent), 0 .12em .25em rgba(0, 0, 0, .6);
}
.tile.dragging { opacity: .3; }
.tray.waiting .tile { cursor: default; }

.ghost {
  position: fixed;
  left: 0;
  top: 0;
  width: var(--rt);
  height: var(--rt);
  font-size: var(--rt);
  pointer-events: none;
  z-index: 100;
  box-shadow: inset 0 -0.06em 0 var(--tile-edge), 0 .25em .5em rgba(0, 0, 0, .6);
  cursor: grabbing;
}

/* --- Status and actions ------------------------------------------------- */

.status {
  min-height: 1.4em;
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  text-align: center;
}
.status .words { color: var(--text); font-weight: 600; }
.status .pts { color: var(--accent); font-weight: 700; }
.status.error { color: var(--danger); }

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.actions #play { min-width: 96px; }

/* --- Side panel --------------------------------------------------------- */

.scores {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.player {
  padding: 12px 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  transition: border-color .2s, box-shadow .2s;
}
.player.turn { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.player .name { font-size: 13px; font-weight: 600; color: var(--muted); }
.player .level { margin-left: 6px; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); opacity: .8; }
.player .score { display: block; font-size: 32px; font-weight: 800; line-height: 1.15; font-variant-numeric: tabular-nums; }
.player .state { display: block; min-height: 1.3em; font-size: 12px; color: var(--accent); }
.player .state.thinking::after {
  content: "";
  animation: dots 1.2s steps(4) infinite;
}
@keyframes dots {
  0% { content: ""; } 25% { content: "."; } 50% { content: ".."; } 75% { content: "..."; }
}

.side { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.card {
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.card h2 { margin-bottom: 8px; }

.bag-row { display: flex; justify-content: space-between; align-items: baseline; }
.bag-row strong { font-size: 20px; font-variant-numeric: tabular-nums; }

summary { cursor: pointer; color: var(--muted); font-size: 14px; }
details[open] summary { margin-bottom: 8px; }
.bag summary { margin-top: 8px; }

.unseen { display: flex; flex-wrap: wrap; gap: 4px; }
.unseen span {
  padding: 2px 6px;
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 6px;
}
.unseen span small { margin-left: 3px; font-weight: 500; color: var(--muted); }
.unseen span.gone { opacity: .3; }

.log {
  max-height: 320px;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  list-style: none;
  font-size: 14px;
}
.log li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 0;
  border-top: 1px solid var(--line);
}
.log li:first-child { border-top: 0; }
.log .who { color: var(--muted); }
.log .word { font-weight: 700; letter-spacing: .03em; }
.log .also { color: var(--muted); font-size: 12px; }
.log .pts { font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; }
.log .bingo {
  margin-left: 6px;
  padding: 1px 6px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--accent-ink);
  background: var(--accent);
  border-radius: 99px;
}
.log .empty { color: var(--muted); border: 0; }

.wordlist .name { margin: 0; font-size: 14px; font-weight: 600; overflow-wrap: anywhere; }
.wordlist .note { margin: 6px 0 0; font-size: 13px; color: var(--muted); }
.wordlist .row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }

.help ul { margin: 0; padding-left: 18px; font-size: 13px; color: var(--muted); }
.help li + li { margin-top: 6px; }
.k { padding: 0 4px; border-radius: 4px; color: #fff; font-size: 11px; }
.k.tw { background: var(--tw); } .k.dw { background: var(--dw); }
.k.tl { background: var(--tl); } .k.dl { background: var(--dl); }

/* --- Dialogs ------------------------------------------------------------ */

dialog {
  width: min(440px, calc(100vw - 32px));
  padding: 22px;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .65);
}
dialog::backdrop { background: rgba(4, 5, 8, .72); backdrop-filter: blur(3px); }
dialog h2 { font-size: 20px; margin-bottom: 10px; }
dialog p { margin: 0 0 14px; color: var(--muted); font-size: 14px; }
dialog menu { display: flex; justify-content: flex-end; gap: 8px; margin: 18px 0 0; padding: 0; }

fieldset { margin: 0 0 14px; padding: 0; border: 0; }
legend { margin-bottom: 6px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.choice { display: block; margin-top: 6px; cursor: pointer; }
.choice input { position: absolute; opacity: 0; }
.choice span {
  display: block;
  padding: 10px 12px;
  font-size: 13px;
  color: var(--muted);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 10px;
}
.choice span b { display: block; font-size: 15px; color: var(--text); }
.choice input:checked + span { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.split .choice { margin-top: 0; }

.letters { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.letters button {
  aspect-ratio: 1;
  padding: 0;
  font-size: 20px;
  font-weight: 800;
  color: var(--blank-ink);
  background: linear-gradient(180deg, var(--tile-top), var(--tile-bot));
  border: 0;
  box-shadow: inset 0 -2px 0 var(--tile-edge);
}
.letters button:hover:not(:disabled) { background: #fff8e6; }

.tray.swap { width: 100%; flex-wrap: wrap; }
.tray.swap .tile { cursor: pointer; }
.tray.swap .tile.chosen { transform: translateY(-5px); box-shadow: inset 0 -0.06em 0 var(--tile-edge), 0 0 0 2px var(--accent); }

.final { width: 100%; border-collapse: collapse; font-size: 14px; }
.final th, .final td { padding: 6px 0; text-align: right; border-top: 1px solid var(--line); font-variant-numeric: tabular-nums; }
.final th:first-child, .final td:first-child { text-align: left; }
.final th { font-size: 12px; font-weight: 600; color: var(--muted); border-top: 0; }
.final td.total { font-size: 18px; font-weight: 800; }