/* Layout: one centred column; the board is the hero, the tile tray sits right under it. */
:root {
  --page: #e9eee9;
  --panel: #ffffff;
  --ink: #1d2a26;
  --muted: #5b6b65;
  --line: #c9d4cf;
  --felt: #22574c;
  --felt-cell: #2b6659;
  --tile: #f4ead2;
  --tile-edge: #cdb98a;
  --tile-ink: #3a2a14;
  --tw: #b4452e;
  --dw: #d88a86;
  --tl: #2f5f8f;
  --dl: #86b3d4;
  --accent: #22574c;
  --accent-ink: #ffffff;
  --pending: #ffd466;
  --good: #1f7a4d;
  --warn: #9a4b10;
  --font-body: "Atkinson Hyperlegible", "Segoe UI", system-ui, sans-serif;
  --font-tile: "Zilla Slab", Georgia, "Times New Roman", serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --page: #111a17; --panel: #1a2622; --ink: #e6eeea; --muted: #9db0a8; --line: #2e3e38;
    --felt: #173c34; --felt-cell: #1f4a40; --accent: #5fb39c; --accent-ink: #0d1f1a;
    --good: #6fd19f; --warn: #f0a868;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --page: #111a17; --panel: #1a2622; --ink: #e6eeea; --muted: #9db0a8; --line: #2e3e38;
  --felt: #173c34; --felt-cell: #1f4a40; --accent: #5fb39c; --accent-ink: #0d1f1a;
  --good: #6fd19f; --warn: #f0a868;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 17px/1.5 var(--font-body);
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
[hidden] { display: none !important; }

.wrap {
  max-width: 680px;
  margin: 0 auto;
  padding-block: 12px 40px;
  padding-left: max(12px, env(safe-area-inset-left, 0px));
  padding-right: max(12px, env(safe-area-inset-right, 0px));
  display: grid;
  gap: 14px;
}

h1, h2 { font-family: var(--font-tile); text-wrap: balance; margin: 0; }
h1 { font-size: 1.9rem; letter-spacing: 0.01em; }
h1 span { color: var(--tw); }
h2 { font-size: 1.25rem; }
p { margin: 0; }
.masthead { display: grid; gap: 6px; }
.mode { font-size: 0.9rem; color: var(--warn); }
.muted { color: var(--muted); }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
  display: grid;
  gap: 10px;
}

/* ---------- buttons and inputs ---------- */
button, .button {
  font: inherit;
  font-weight: 700;
  min-height: 46px;
  padding: 0 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 120ms ease, background-color 120ms ease;
}
button:hover:not(:disabled) { background: color-mix(in srgb, var(--accent) 10%, var(--panel)); }
button:active:not(:disabled) { transform: translateY(1px); }
button:disabled { opacity: 0.45; cursor: default; }
button:focus-visible, input:focus-visible, summary:focus-visible { outline: 3px solid var(--pending); outline-offset: 2px; }
.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.primary:hover:not(:disabled) { background: color-mix(in srgb, var(--accent) 85%, var(--ink)); }

input {
  font: inherit;
  width: 100%;
  min-height: 46px;
  padding: 0 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--page);
  color: var(--ink);
}
label { font-weight: 700; }
.setup form { display: grid; gap: 8px; }
.setup .primary { margin-top: 8px; }
.error-text { color: var(--warn); min-height: 1.5em; }

/* ---------- scoreboard ---------- */
.scoreboard {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 8px;
  align-items: stretch;
}
.player {
  background: var(--panel);
  border: 2px solid var(--line);
  border-radius: 10px;
  padding: 8px 10px;
  display: grid;
  min-width: 0;
}
.player .name { font-weight: 700; overflow-wrap: anywhere; font-size: 0.95rem; }
.player .score { font-family: var(--font-tile); font-size: 1.8rem; line-height: 1.1; font-variant-numeric: tabular-nums; }
.player.active { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
#player-2 { text-align: right; }
.middle { display: grid; align-content: center; text-align: center; gap: 2px; }
.turn { font-weight: 700; }
.turn[data-mine="true"] { color: var(--good); }
.bag { font-size: 0.85rem; color: var(--muted); }

/* ---------- board ---------- */
.board-frame {
  background: var(--felt);
  padding: 6px;
  border-radius: 10px;
  container-type: inline-size;
  box-shadow: 0 6px 18px rgb(0 0 0 / 0.18);
}
.board {
  display: grid;
  grid-template-columns: repeat(15, 1fr);
  gap: 2px;
}
.cell {
  aspect-ratio: 1;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 3px;
  background: var(--felt-cell);
  color: rgb(255 255 255 / 0.9);
  position: relative;
}
.cell.tw { background: var(--tw); }
.cell.dw { background: var(--dw); color: #4a1d1a; }
.cell.tl { background: var(--tl); }
.cell.dl { background: var(--dl); color: #102c44; }
.cell:hover:not(:disabled) { background-image: linear-gradient(rgb(255 255 255 / 0.18), rgb(255 255 255 / 0.18)); }
.prem { font-size: calc(100cqw / 15 * 0.32); font-weight: 700; letter-spacing: 0.02em; }
.centre .prem { font-size: calc(100cqw / 15 * 0.55); }

/* ---------- tiles ---------- */
.tile {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: var(--tile);
  color: var(--tile-ink);
  border-radius: 3px;
  box-shadow: inset 0 -2px 0 var(--tile-edge);
  font-family: var(--font-tile);
}
.tile .ltr { font-size: calc(100cqw / 15 * 0.58); font-weight: 700; line-height: 1; }
.tile .val { position: absolute; right: 8%; bottom: 4%; font-size: calc(100cqw / 15 * 0.24); font-family: var(--font-body); font-weight: 700; }
.tile.blank .ltr { color: var(--tl); }
.tile.pending { background: var(--pending); box-shadow: inset 0 -2px 0 #c99a1e; }
.tile.recent { box-shadow: inset 0 -2px 0 var(--tile-edge), 0 0 0 2px var(--pending); }

/* ---------- tray ---------- */
.tray { display: grid; gap: 10px; }
.rack {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
  max-width: 460px;
  width: 100%;
  margin: 0 auto;
  container-type: inline-size;
}
.rack-tile, .slot {
  aspect-ratio: 1;
  min-height: 0;
  padding: 0;
  border: 0;
  position: relative;
  background: transparent;
  border-radius: 6px;
}
.slot { background: color-mix(in srgb, var(--felt) 15%, transparent); }
.rack-tile .tile { border-radius: 6px; box-shadow: inset 0 -3px 0 var(--tile-edge), 0 2px 4px rgb(0 0 0 / 0.15); }
.rack-tile .tile .ltr { font-size: calc(100cqw / 7 * 0.52); }
.rack-tile .tile .val { font-size: calc(100cqw / 7 * 0.2); }
.rack-tile.picked { transform: translateY(-6px); }
.rack-tile.picked .tile { background: var(--pending); outline: 3px solid var(--accent); }

.msg { min-height: 1.5em; text-align: center; font-size: 0.95rem; }
.msg[data-tone="warn"] { color: var(--warn); }
.msg[data-tone="good"] { color: var(--good); }

.controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
.controls .wide { grid-column: 1 / -1; min-height: 54px; font-size: 1.1rem; }

/* ---------- dragging ---------- */
.rack-tile, .cell.has-pending { touch-action: none; user-select: none; -webkit-user-select: none; }
.dragging { opacity: 0.35; }
.cell.drop-target { outline: 3px solid var(--pending); outline-offset: -1px; z-index: 1; }
.rack .drop-target:not(.rack) { outline: 3px dashed var(--pending); outline-offset: 2px; }
.ghost {
  position: fixed;
  left: 0;
  top: 0;
  aspect-ratio: 1;
  pointer-events: none;
  z-index: 30;
  container-type: inline-size;
  filter: drop-shadow(0 8px 12px rgb(0 0 0 / 0.35));
}
.ghost .tile { border-radius: 6px; }
.ghost .tile .ltr { font-size: 58cqw; }
.ghost .tile .val { font-size: 24cqw; }

/* ---------- notifications ---------- */
.alerts-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; }
.alerts-row p { flex: 1 1 14rem; min-width: 0; }
#nudge { width: 100%; }

/* ---------- links and log ---------- */
.invite summary { font-weight: 700; cursor: pointer; }
.invite[open] summary { margin-bottom: 4px; }
.copy-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
.log { margin: 0; padding-left: 1.2em; display: grid; gap: 4px; }

/* ---------- blank letter picker ---------- */
.picker {
  position: fixed;
  inset: 0;
  background: rgb(0 0 0 / 0.5);
  display: grid;
  place-items: center;
  padding: 16px;
  z-index: 20;
}
.picker-card {
  background: var(--panel);
  border-radius: 12px;
  padding: 18px;
  display: grid;
  gap: 12px;
  width: min(420px, 100%);
}
.picker-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 6px; }
.picker-grid button { font-family: var(--font-tile); font-size: 1.2rem; padding: 0; background: var(--tile); color: var(--tile-ink); border-color: var(--tile-edge); }

@media (max-width: 420px) {
  .controls { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .board-frame { padding: 4px; }
  .board { gap: 1px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}