/* dankpuzzles — "type case": warm newsprint, press ink, wood-type letter tiles.
   Zilla Slab (tiles, headings) + Karla (text), both SIL OFL, self-hosted in /fonts/
   with their licence files. Game signal colours are tokens, never ad hoc. */
@font-face { font-family: "Zilla Slab"; font-weight: 500; font-style: normal; font-display: swap; src: url("/fonts/zilla-slab-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Zilla Slab"; font-weight: 700; font-style: normal; font-display: swap; src: url("/fonts/zilla-slab-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Karla"; font-weight: 400; font-style: normal; font-display: swap; src: url("/fonts/karla-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Karla"; font-weight: 700; font-style: normal; font-display: swap; src: url("/fonts/karla-latin-700-normal.woff2") format("woff2"); }

:root {
  color-scheme: light dark;
  --paper: #f6f1e7;
  --paper-2: #ece4d3;
  --card: #fffdf8;
  --ink: #1d1b18;
  --ink-2: #57514a;
  --rule: #cfc4ae;
  --wood: #e9dcc0;
  --wood-edge: #b9a57e;
  --accent: #b3401f;          /* press red: links, focus, brand */
  --green: #357a43;
  --yellow: #c79a1c;
  --grey: #7a7670;
  --on-signal: #ffffff;
  --on-yellow: #1d1b18;       /* ink on mustard: white fails 4.5:1 */
  --shadow: 0 2px 0 var(--wood-edge);
  --font-slab: "Zilla Slab", Rockwell, "Roboto Slab", Georgia, serif;
  --font-text: "Karla", system-ui, -apple-system, "Segoe UI", sans-serif;
  --radius: 6px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #17161a;
    --paper-2: #211f25;
    --card: #1e1c21;
    --ink: #eee8dc;
    --ink-2: #b3ab9d;
    --rule: #3a363d;
    --wood: #2c2923;
    --wood-edge: #0d0c0e;
    --accent: #ef8a63;
    --green: #3b8049;
    --yellow: #b8901e;
    --grey: #5c5963;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.55 var(--font-text);
}
a { color: var(--accent); text-underline-offset: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--font-slab); font-weight: 700; line-height: 1.15; letter-spacing: -0.01em; }
code, .mono { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-size: 0.92em; }

.wrap { max-width: 76rem; margin: 0 auto; padding: 0 1rem; }

/* masthead */
.mast { border-bottom: 2px solid var(--ink); background: var(--paper-2); }
.mast .wrap { display: flex; align-items: center; gap: 0.75rem; padding-top: 0.5rem; padding-bottom: 0.5rem; }
.brand { display: inline-flex; gap: 2px; text-decoration: none; color: var(--ink); }
.brand span {
  display: inline-grid; place-items: center; width: 1.45rem; height: 1.6rem;
  background: var(--wood); border: 1px solid var(--wood-edge); border-radius: 3px; box-shadow: var(--shadow);
  font: 700 0.95rem/1 var(--font-slab); text-transform: uppercase;
}
.brand span.g { background: var(--green); color: var(--on-signal); border-color: transparent; }
.brand span.y { background: var(--yellow); color: var(--on-yellow); border-color: transparent; }
.brand { align-items: center; }
.brand b { font: 700 1.3rem/1 var(--font-slab); margin-left: 0.3rem; letter-spacing: -0.01em; }
.mast .tag { color: var(--ink-2); font-size: 0.9rem; margin: 0 0 0 auto; }
@media (max-width: 520px) { .mast .tag { display: none; } }

/* finder layout */
.finder { display: grid; gap: 1.25rem; padding: 1rem 0 2rem; }
@media (min-width: 900px) {
  .finder { grid-template-columns: minmax(22rem, 30rem) 1fr; align-items: start; padding-top: 1.75rem; }
  .board { position: sticky; top: 1rem; }
}
.board h1 { font-size: clamp(1.35rem, 4.6vw, 2rem); margin: 0 0 0.35rem; }
.board .lede { margin: 0 0 0.75rem; color: var(--ink-2); font-size: 0.95rem; }

.lens { display: flex; align-items: center; gap: 0.5rem; margin: 0 0 0.75rem; border: 0; padding: 0; }
.lens legend { float: left; margin-right: 0.25rem; font-weight: 700; font-size: 0.9rem; }
.lens label { position: relative; }
.lens input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.lens span {
  display: inline-grid; place-items: center; min-width: 2.4rem; height: 2.2rem; padding: 0 0.4rem;
  border: 1px solid var(--rule); border-radius: var(--radius); background: var(--card);
  font: 700 1rem/1 var(--font-slab);
}
.lens input:checked + span { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.lens input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 2px; }

.rowlabel { display: flex; justify-content: space-between; gap: 0.5rem; margin: 0.6rem 0 0.25rem; font-weight: 700; font-size: 0.9rem; }
.rowlabel small { font-weight: 400; color: var(--ink-2); }
.tiles { display: grid; grid-template-columns: repeat(var(--n, 5), minmax(0, 1fr)); gap: 0.4rem; }
.tile {
  width: 100%; min-width: 0; height: 3.1rem; text-align: center; padding: 0;
  border: 2px solid var(--wood-edge); border-radius: var(--radius); background: var(--wood); color: var(--ink);
  box-shadow: var(--shadow); font: 700 1.6rem/1 var(--font-slab); text-transform: uppercase;
}
.tile.green:not(:placeholder-shown) { background: var(--green); border-color: var(--green); color: var(--on-signal); }
.tile.yellow { height: 2.6rem; font-size: 1.05rem; letter-spacing: 0.08em; background: var(--card); border-style: dashed; box-shadow: none; }
.tile.yellow:not(:placeholder-shown) { background: var(--yellow); border: 2px solid var(--yellow); color: var(--on-yellow); }
.tile::placeholder { color: var(--ink-2); opacity: 0.45; font-size: 0.8rem; font-family: var(--font-text); font-weight: 400; letter-spacing: 0; }
.line {
  width: 100%; height: 2.6rem; padding: 0 0.7rem; border: 2px solid var(--rule); border-radius: var(--radius);
  background: var(--card); color: var(--ink); font: 700 1.1rem/1 var(--font-slab); letter-spacing: 0.12em; text-transform: uppercase;
}
.line.grey:not(:placeholder-shown) { background: var(--grey); border-color: var(--grey); color: var(--on-signal); }
.line::placeholder { font: 400 0.9rem var(--font-text); letter-spacing: 0; text-transform: none; color: var(--ink-2); }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
.actions { display: flex; gap: 0.5rem; margin-top: 0.75rem; flex-wrap: wrap; align-items: center; }
.btn {
  font: 700 0.95rem/1 var(--font-text); padding: 0.6rem 0.9rem; border-radius: var(--radius);
  border: 2px solid var(--ink); background: var(--card); color: var(--ink); cursor: pointer;
}
.btn:hover { background: var(--paper-2); }
.warn { color: var(--accent); font-weight: 700; font-size: 0.92rem; margin: 0.5rem 0 0; }
.warn:empty { display: none; }

/* results */
.results { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: 0.9rem; min-width: 0; }
.count { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.25rem 0.75rem; margin: 0 0 0.6rem; }
.count strong { font: 700 1.7rem/1 var(--font-slab); }
#count-words { font: 700 1.05rem/1.2 var(--font-text); }
.count .sort { flex-basis: 100%; font: 400 0.88rem/1.3 var(--font-text); color: var(--ink-2); }
.words { display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0; padding: 0; list-style: none; }
.words button {
  font: 500 1.02rem/1 var(--font-slab); letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.45rem 0.55rem; border-radius: 4px; border: 1px solid var(--rule); background: var(--paper); color: var(--ink); cursor: pointer;
}
.words button:hover, .words button[aria-pressed="true"] { border-color: var(--ink); background: var(--wood); }
.more { margin-top: 0.75rem; }
.empty { color: var(--ink-2); }

/* pattern view */
.pattern { border: 2px solid var(--ink); border-radius: 10px; padding: 0.8rem; margin: 0 0 0.9rem; background: var(--paper); }
.pattern[hidden] { display: none; }
.pattern h2 { font-size: 1.1rem; margin: 0 0 0.5rem; display: flex; justify-content: space-between; gap: 0.5rem; }
.pattern .close { font: 700 0.85rem/1 var(--font-text); background: none; border: 1px solid var(--rule); border-radius: 4px; padding: 0.3rem 0.5rem; color: var(--ink); cursor: pointer; }
.ptiles { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.ptile { display: grid; justify-items: center; gap: 0.2rem; width: 3.2rem; }
.ptile b {
  display: grid; place-items: center; width: 3rem; height: 3rem; border-radius: var(--radius);
  font: 700 1.5rem/1 var(--font-slab); text-transform: uppercase; background: var(--wood); border: 2px solid var(--wood-edge);
}
.ptile.green b { background: var(--green); border-color: var(--green); color: var(--on-signal); }
.ptile.placed b { background: var(--yellow); border-color: var(--yellow); color: var(--on-yellow); }
.ptile small { font-size: 0.75rem; color: var(--ink-2); text-align: center; line-height: 1.2; }
.pattern p { margin: 0.6rem 0 0; font-size: 0.93rem; }
.key { display: flex; flex-wrap: wrap; gap: 0.25rem 0.9rem; font-size: 0.82rem; color: var(--ink-2); margin-top: 0.5rem; }
.key i { display: inline-block; width: 0.8rem; height: 0.8rem; border-radius: 2px; vertical-align: -1px; margin-right: 0.25rem; }
.key i.k-green { background: var(--green); }
.key i.k-placed { background: var(--yellow); }
.key i.k-new { background: var(--wood); border: 1px solid var(--wood-edge); }

/* explainer */
.notes { border-top: 2px solid var(--ink); padding: 1.5rem 0 2.5rem; }
.notes .cols { display: grid; gap: 0 2.5rem; }
@media (min-width: 900px) { .notes .cols { grid-template-columns: 1fr 1fr; } }
.notes section { max-width: 68ch; }
.notes h2 { font-size: 1.35rem; margin: 1.2rem 0 0.4rem; }
.notes p, .notes li { margin: 0 0 0.6rem; }
.notes ul { padding-left: 1.2rem; }
.snapshot { font-size: 0.82rem; color: var(--ink-2); overflow-wrap: anywhere; }
.foot { border-top: 1px solid var(--rule); color: var(--ink-2); font-size: 0.85rem; padding: 1rem 0 2rem; }

.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }

/* masthead nav (shared by every page) */
.mastnav { display: flex; gap: 0.9rem; margin-left: auto; font-weight: 700; font-size: 0.92rem; }
.mastnav a { color: var(--ink); text-decoration: none; border-bottom: 2px solid transparent; }
.mastnav a:hover { border-bottom-color: var(--accent); }
@media (min-width: 521px) { .mast .tag + .mastnav { margin-left: 1rem; } }

/* word-list pages: controls on the left, the full list on the right */
.answer { display: grid; gap: 1.25rem; padding: 1rem 0 2rem; }
@media (min-width: 900px) {
  .answer { grid-template-columns: minmax(20rem, 26rem) 1fr; align-items: start; padding-top: 1.75rem; }
  .answer .side { position: sticky; top: 1rem; }
}
.answer h1 { font-size: clamp(1.35rem, 4.6vw, 2rem); margin: 0 0 0.35rem; }
.answer .lede { margin: 0 0 0.75rem; color: var(--ink-2); font-size: 0.95rem; }
.bigcount { margin: 0 0 0.35rem; font-weight: 700; }
.bigcount strong { font: 700 1.7rem/1 var(--font-slab); margin-right: 0.2rem; }
.filter { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
.filter .hint { grid-column: 1 / -1; color: var(--ink-2); font-size: 0.85rem; }
.tofinder { display: grid; gap: 0.3rem; justify-items: start; margin: 0.9rem 0 0; }
.tofinder .btn { text-decoration: none; display: inline-block; line-height: 1.2; }
.tofinder small { color: var(--ink-2); font-size: 0.85rem; }
.words.plain li {
  font: 500 1.02rem/1 var(--font-slab); letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.45rem 0.55rem; border-radius: 4px; border: 1px solid var(--rule); background: var(--paper);
}
.words li[hidden] { display: none; }
.letters ul, ul.letters { display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0.9rem 0 0; padding: 0; list-style: none; }
.chip {
  display: inline-grid; place-items: center; min-width: 2.3rem; height: 2.3rem; padding: 0 0.5rem;
  background: var(--wood); border: 1px solid var(--wood-edge); border-radius: 4px; box-shadow: var(--shadow);
  font: 700 1.05rem/1 var(--font-slab); color: var(--ink); text-decoration: none;
}
.chip.on { background: var(--green); border-color: var(--green); color: var(--on-signal); }
.chip.all { font: 700 0.85rem/1 var(--font-text); }
.chip:hover { border-color: var(--ink); }
.chip.big { min-width: 3.6rem; height: 3.6rem; font-size: 1.5rem; gap: 0.1rem; align-content: center; }
.chip.big small { font: 400 0.72rem/1 var(--font-text); color: var(--ink-2); }
.rule { font-size: 0.92rem; color: var(--ink-2); margin: 0.9rem 0 0; }
.freq { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.freq caption { text-align: left; font: 700 1.05rem/1.3 var(--font-slab); margin-bottom: 0.5rem; }
.freq th, .freq td { padding: 0.35rem 0.5rem; border-bottom: 1px solid var(--rule); text-align: left; }
.freq thead th { font-size: 0.82rem; color: var(--ink-2); font-weight: 700; }
.freq .num { text-align: right; font-variant-numeric: tabular-nums; }
.freq .rk { color: var(--ink-2); width: 2rem; }
.freq tbody th a { font: 700 1.15rem/1 var(--font-slab); }
.freq tr.top td, .freq tr.top th { background: var(--paper); }

/* anagram page: one long rack of tiles, three filters, scored word tiles grouped by length */
.rack {
  width: 100%; height: 3.4rem; padding: 0 0.8rem; border: 2px solid var(--wood-edge); border-radius: var(--radius);
  background: var(--wood); color: var(--ink); box-shadow: var(--shadow);
  font: 700 1.7rem/1 var(--font-slab); letter-spacing: 0.18em; text-transform: uppercase;
}
.rack::placeholder { font: 400 1rem var(--font-text); letter-spacing: 0; text-transform: none; color: var(--ink-2); }
.racknote { min-height: 1.2em; margin: 0.3rem 0 0; font-size: 0.85rem; color: var(--ink-2); }
.filters3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.5rem; }
.filters3 label { display: block; font-size: 0.85rem; color: var(--ink-2); margin-bottom: 0.15rem; }
.filters3 .line { padding: 0 0.5rem; }
.actions .lens { margin: 0 auto 0 0; }
.actions .lens span { min-width: 3.4rem; font-size: 0.95rem; }
.wgroup { margin: 0 0 1rem; }
.wgroup h3 { font-size: 1.1rem; margin: 0 0 0.45rem; display: flex; align-items: baseline; gap: 0.5rem; }
.wgroup h3 small { font: 400 0.88rem/1 var(--font-text); color: var(--ink-2); }
.wgroup.full { border: 2px solid var(--ink); border-radius: 10px; padding: 0.7rem; background: var(--paper); }
.wgroup .empty { margin: 0; }
.words.scored li {
  display: inline-flex; align-items: flex-start; gap: 0.15rem;
  padding: 0.4rem 0.45rem 0.4rem 0.55rem; border-radius: 4px; border: 1px solid var(--rule); background: var(--paper);
}
.wgroup.full .words.scored li { background: var(--wood); border-color: var(--wood-edge); }
.words.scored .w { font: 500 1.02rem/1 var(--font-slab); letter-spacing: 0.06em; text-transform: uppercase; }
.words.scored .bl { color: var(--accent); text-decoration: underline dotted; text-underline-offset: 3px; }
.words.scored .pts { font: 700 0.68rem/1 var(--font-text); color: var(--ink-2); }
ul.values { display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0.5rem 0 0.9rem; padding: 0; list-style: none; }
ul.values li {
  position: relative; display: grid; place-items: center; width: 2.6rem; height: 2.6rem;
  background: var(--wood); border: 1px solid var(--wood-edge); border-radius: 4px; box-shadow: var(--shadow);
}
ul.values b { font: 700 1.15rem/1 var(--font-slab); }
ul.values small { position: absolute; right: 0.2rem; bottom: 0.1rem; font: 700 0.62rem/1 var(--font-text); }
ul.values li.blank { background: var(--card); border-style: dashed; box-shadow: none; }
@media (max-width: 520px) { .mastnav { gap: 0.7rem; white-space: nowrap; } }