/* Linky Words - the site's Jekyll pages (front page, What's New, Privacy).
   Plain CSS, no build step. Palette and tile shapes match play/style.css so
   the site and the player read as one place. */

:root {
  --paper: #FFF9F0;
  --paper-2: #F8EFDF;
  --tile: #F2E8D5;
  --tile-edge: #E2D5BC;
  --ink: #3A332B;
  --ink-2: #6F6557;
  --accent: #C4693F;
  --accent-text: #A9532C;   /* accent dark enough for small text on paper */
  --accent-ink: #FFF9F0;
  --btn: #B0582F;           /* primary button fill: #FFF9F0 text on it is 4.7:1 */
  --btn-edge: #8E4524;
  --good: #5E8C4F;
  --good-text: #4E7A40;     /* green behind small text (word chips): 4.8:1 */
  --panel: #FFFDF8;
  --shadow: rgba(58, 51, 43, 0.14);
  --edge-shade: rgba(58, 51, 43, 0.16);
  --gutter: 20px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #1E1B17;
    --paper-2: #24201B;
    --tile: #2F2A23;
    --tile-edge: #413A30;
    --ink: #F4EADA;
    --ink-2: #B4A895;
    --accent: #D9835A;
    --accent-text: #E39A74;
    --accent-ink: #201C17;
    --btn: #D9835A;
    --btn-edge: #B0623D;
    --good: #7FAE6E;
    --good-text: #7FAE6E;
    --panel: #26221C;
    --shadow: rgba(0, 0, 0, 0.45);
    --edge-shade: rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Roboto, "Helvetica Neue", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
}

a { color: var(--accent-text); }
img { max-width: 100%; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.noscript-note {
  background: var(--panel);
  border-bottom: 1px solid var(--tile-edge);
  text-align: center;
  padding: 12px 16px;
  font-size: 15px;
  line-height: 1.5;
}
.noscript-note a { color: var(--ink); font-weight: 700; }

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- buttons (the player's pill buttons, as links) ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 11px 22px;
  font: inherit;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--tile-edge);
  border-bottom-width: 3px;
  border-radius: 999px;
  transition: transform 120ms ease, filter 120ms ease;
}
.btn:hover { filter: brightness(1.04); }
.btn:active { transform: translateY(1px); }
a:focus-visible, summary:focus-visible {
  outline: 3px solid var(--accent-text);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--btn);
  border-color: var(--btn);
  border-bottom-color: var(--btn-edge);
  color: var(--accent-ink);
}

.btn-lg { width: 100%; min-height: 56px; font-size: 19px; }
.btn-sm { min-height: 40px; padding: 8px 16px; font-size: 15px; }

.badges { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.badges a { display: block; border-radius: 9px; }
.badges img { display: block; height: 48px; width: auto; }

/* ---------- top bar ---------- */

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.2px;
  text-decoration: none;
}
.brand img { width: 36px; height: 36px; border-radius: 9px; }

.top-nav { display: flex; align-items: center; gap: 22px; }
.top-nav a:not(.btn) {
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}
.top-nav a:not(.btn):hover { color: var(--ink); }

@media (max-width: 620px) {
  .top-nav .hide-sm { display: none; }
}

/* ---------- hero ---------- */

.hero {
  display: grid;
  gap: 44px;
  overflow-x: clip;
  align-items: center;
  padding-top: 24px;
  padding-bottom: 64px;
}

@media (min-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 56px;
    padding-top: 48px;
    padding-bottom: 88px;
  }
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-text);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(38px, 5.6vw, 64px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.025em;
}

.lead {
  max-width: 36ch;
  margin: 0 0 26px;
  color: var(--ink-2);
  font-size: clamp(18px, 1.2vw + 12px, 21px);
}

.today {
  max-width: 440px;
  padding: 18px 20px 16px;
  background: var(--panel);
  border: 1px solid var(--tile-edge);
  border-bottom-width: 3px;
  border-radius: 22px;
  box-shadow: 0 1px 2px var(--shadow);
}

.today-label {
  display: flex;
  flex-wrap: wrap;
  gap: 0 8px;
  margin: 0 0 12px;
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.today-date:empty { display: none; }
.today-date::before { content: "\00B7"; margin-right: 8px; }

/* filled in by landing.js once it knows today's theme */
.today-cat {
  display: none;
  margin: -6px 0 14px;
  font-size: 32px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.today.has-day .today-cat { display: block; }

.today-note {
  margin: 10px 0 0;
  color: var(--ink-2);
  font-size: 14px;
  text-align: center;
}

.also {
  margin: 26px 0 10px;
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 700;
}
.also span { display: block; font-weight: 400; }

/* ---------- hero board ---------- */

.hero-art {
  position: relative;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}

/* a second sheet of paper under the card */
.hero-art::before {
  content: "";
  position: absolute;
  inset: 5% -3% -3% 6%;
  background: var(--tile);
  border-radius: 28px;
  transform: rotate(3.5deg);
}

.demo {
  position: relative;
  padding: 20px 20px 16px;
  background: var(--panel);
  border: 1px solid var(--tile-edge);
  border-bottom-width: 3px;
  border-radius: 26px;
  box-shadow: 0 22px 44px -22px var(--shadow);
  transform: rotate(-1.5deg);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.chip {
  display: grid;
  padding: 5px 11px;
  background: var(--paper);
  border: 1px solid var(--tile-edge);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.3;
}
.chip > span { grid-area: 1 / 1; text-align: center; }
.chip .dots { color: var(--ink-2); opacity: 0.6; }
.chip .txt { opacity: 0; }
.chip.ok { background: var(--good-text); border-color: var(--good-text); color: var(--accent-ink); }
.chip.ok .dots { opacity: 0; }
.chip.ok .txt { opacity: 1; }

.board { display: block; width: 100%; height: auto; overflow: visible; }

/* Tile parts live in <defs> and are drawn through <use>, so they are styled
   by class alone and take their colour from the <use> via currentColor. */
.tl { color: var(--tile); }
.tl.on { color: var(--accent); }
.tl.ok { color: var(--good); }
.tb, .tf { fill: currentColor; }
.ts { fill: var(--edge-shade); }

.board text {
  fill: var(--ink);
  font-size: 34px;
  font-weight: 800;
  text-anchor: middle;
  dominant-baseline: central;
}
.lt.on, .lt.ok { fill: var(--accent-ink); }

.trail {
  fill: none;
  stroke: var(--accent);
  stroke-width: 14;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.45;
}
.trail-1 { opacity: 0; stroke-dasharray: 376 400; }
.trail-2 { stroke-dasharray: 282 300; }

.demo-hint {
  margin: 12px 0 0;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 700;
  text-align: center;
}

/* The board plays once, when it scrolls into view (landing.js adds
   .is-playing): WORDS is traced and found, then PUZZLE is started.
   Without scripting, or with reduced motion, the board simply shows where
   the animation ends. */
@media (prefers-reduced-motion: no-preference) {
  .js .demo .tl.w { animation: lw-lit 0.16s ease-out var(--t) both, lw-ok 0.3s ease-out 2.2s forwards; }
  .js .demo .tl.p { animation: lw-lit 0.16s ease-out var(--t) both; }
  .js .demo .lt.w, .js .demo .lt.p { animation: lw-ink 0.16s ease-out var(--t) both; }
  .js .demo .trail-1 { opacity: 0.45; animation: lw-draw-1 1.6s linear 0.3s both, lw-fade 0.2s ease 2.1s forwards; }
  .js .demo .trail-2 { animation: lw-draw-2 1.2s linear 2.7s both; }
  .js .demo .chip-w { animation: lw-chip 0.3s ease-out 2.2s both; }
  .js .demo .chip-w .txt { animation: lw-show 0.3s ease-out 2.2s both; }
  .js .demo .chip-w .dots { animation: lw-hide 0.3s ease-out 2.2s both; }
  .js .demo:not(.is-playing), .js .demo:not(.is-playing) * { animation-play-state: paused; }
}

@keyframes lw-lit { from { color: var(--tile); } to { color: var(--accent); } }
@keyframes lw-ok { from { color: var(--accent); } to { color: var(--good); } }
@keyframes lw-ink { from { fill: var(--ink); } to { fill: var(--accent-ink); } }
@keyframes lw-draw-1 { from { stroke-dashoffset: 376; } to { stroke-dashoffset: 0; } }
@keyframes lw-draw-2 { from { stroke-dashoffset: 282; } to { stroke-dashoffset: 0; } }
@keyframes lw-fade { from { opacity: 0.45; } to { opacity: 0; } }
@keyframes lw-show { from { opacity: 0; } to { opacity: 1; } }
@keyframes lw-hide { from { opacity: 1; } to { opacity: 0; } }
@keyframes lw-chip {
  from { background-color: var(--paper); border-color: var(--tile-edge); color: var(--ink); }
  to { background-color: var(--good-text); border-color: var(--good-text); color: var(--accent-ink); }
}

/* ---------- sections ---------- */

.section { padding-top: 72px; padding-bottom: 72px; }
.band { background: var(--paper-2); padding: 72px 0; }

h2 {
  margin: 0 0 12px;
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.section-lead {
  max-width: 54ch;
  margin: 0 0 36px;
  color: var(--ink-2);
  font-size: 18px;
}

h3 { margin: 0 0 6px; font-size: 20px; line-height: 1.25; }

/* how to play */

.band h2 + .steps { margin-top: 32px; }

.steps {
  display: grid;
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}
@media (min-width: 780px) { .steps { grid-template-columns: repeat(3, 1fr); gap: 32px; } }

.step p { margin: 0; color: var(--ink-2); }

.step-n, .set-tile {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 14px;
  background: var(--tile);
  border: 1px solid var(--tile-edge);
  border-bottom-width: 3px;
  border-radius: 12px;
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
}

/* two ways to play */

.ways { display: grid; gap: 20px; }
@media (min-width: 860px) { .ways { grid-template-columns: 1fr 1fr; gap: 24px; } }

.way {
  display: flex;
  flex-direction: column;
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--tile-edge);
  border-bottom-width: 3px;
  border-radius: 24px;
  scroll-margin-top: 16px;
}
@media (max-width: 420px) { .way { padding: 24px 20px; } }

.way h3 { font-size: 26px; margin-bottom: 4px; }
.way > p { margin: 0 0 18px; color: var(--ink-2); }

.ticks {
  display: grid;
  gap: 10px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}
.ticks li { position: relative; padding-left: 32px; }
.ticks li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  top: 2px;
  display: grid;
  place-items: center;
  width: 21px;
  height: 21px;
  color: var(--accent-ink);
  background: var(--good-text);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 800;
  line-height: 1;
}

.way-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; }

.way-note { margin: 14px 0 0; color: var(--ink-2); font-size: 14px; }

/* collections */

.sets {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}
@media (min-width: 640px) { .sets { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1020px) { .sets { grid-template-columns: repeat(4, 1fr); } }

.set {
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--tile-edge);
  border-bottom-width: 3px;
  border-radius: 20px;
}
.set h3 { margin: 0; }
.set-count { margin: 2px 0 10px; color: var(--accent-text); font-size: 14px; font-weight: 800; }
.set p:last-child { margin: 0; color: var(--ink-2); font-size: 15.5px; }

/* screenshots */

.section h2 + .shots-scroll, .wrap + .shots-scroll { margin-top: 28px; }

.shots-scroll {
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.shots-scroll::-webkit-scrollbar { display: none; }

.shots {
  display: flex;
  gap: 18px;
  width: max-content;
  margin: 0 auto;
  padding: 4px var(--gutter) 20px;
  list-style: none;
}
.shots li { scroll-snap-align: center; }
.shots figure { width: min(62vw, 240px); margin: 0; }
.shots img {
  display: block;
  width: 100%;
  height: auto;
  background: var(--tile);
  border: 1px solid var(--tile-edge);
  border-radius: 22px;
  box-shadow: 0 14px 30px -16px var(--shadow);
}
.shots figcaption {
  margin-top: 12px;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 700;
  text-align: center;
}

/* questions */

.faq { max-width: 800px; }
.faq h2 { margin-bottom: 20px; }

.faq details { border-bottom: 1px solid var(--tile-edge); }
.faq details:first-of-type { border-top: 1px solid var(--tile-edge); }

.faq summary {
  position: relative;
  padding: 18px 40px 18px 0;
  font-size: 18px;
  font-weight: 800;
  list-style: none;
  cursor: pointer;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent-text);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
}
.faq details[open] summary::after { content: "\2013"; }
.faq details p { margin: 0 0 20px; color: var(--ink-2); max-width: 66ch; }

/* last call */

.finale { text-align: center; }
.finale .section-lead { margin-left: auto; margin-right: auto; margin-bottom: 28px; }
.finale-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.finale-actions .btn-lg { width: auto; min-width: 280px; }
.finale-actions .badges { justify-content: center; }

/* ---------- text pages (What's New, Privacy Policy) ---------- */

.page-wrap { padding-top: 32px; padding-bottom: 72px; }
.page-head, .prose { max-width: 720px; }

.page-head h1 { font-size: clamp(34px, 4.6vw, 52px); margin-bottom: 12px; }
.page-head .lead { max-width: 56ch; margin-bottom: 0; }

.prose { margin-top: 36px; }
.prose > :first-child { margin-top: 0; }
.prose h2 {
  margin: 40px 0 12px;
  padding-top: 28px;
  border-top: 1px solid var(--tile-edge);
  font-size: 23px;
  letter-spacing: -0.01em;
}
.prose > h2:first-child { padding-top: 0; border-top: 0; }
.prose p { margin: 0 0 16px; }
.prose ul, .prose ol { margin: 0 0 18px; padding: 0; list-style: none; }
.prose li { position: relative; margin: 8px 0; padding-left: 26px; }
.prose li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.55em;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 3px;
}

/* the daily archive (d/index.html, written by _tools/gen-archive.py) */

.archive-cta { margin: 24px 0 0; }

.cal { max-width: 880px; margin-top: 32px; }

.cal-nav { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.cal-nav[hidden] { display: none; }
.cal-title { margin: 0; font-size: clamp(22px, 2.8vw, 30px); font-weight: 800; letter-spacing: -0.01em; }

.cal-btn {
  appearance: none;
  -webkit-appearance: none;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--tile-edge);
  border-bottom-width: 3px;
  border-radius: 999px;
  cursor: pointer;
}
.cal-btn svg { fill: none; stroke: currentColor; stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.cal-btn:disabled { opacity: 0.35; cursor: default; }
.cal-btn:focus-visible { outline: 3px solid var(--accent-text); outline-offset: 3px; }

.month + .month { margin-top: 44px; }
.month-title { margin: 0 0 12px; font-size: 22px; }

/* the script shows one month at a time; without it every month is listed */
.cal.is-paged .month { display: none; }
.cal.is-paged .month.is-shown { display: block; }
.cal.is-paged .month + .month { margin-top: 0; }
.cal.is-paged .month-title {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.dow, .days { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 6px; }
.dow { margin-bottom: 6px; }
.dow span {
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-align: center;
  text-transform: uppercase;
}

.days { margin: 0; padding: 0; list-style: none; }
.days li { min-height: 88px; }
.days a, .days .soon, .days .none {
  display: flex;
  flex-direction: column;
  gap: 4px;
  height: 100%;
  padding: 8px 9px;
  border-radius: 12px;
}
.days a {
  color: var(--ink);
  text-decoration: none;
  background: var(--tile);
  border: 1px solid var(--tile-edge);
  border-bottom-width: 3px;
}
.days a:hover { background: var(--panel); }
.days .soon { color: var(--ink-2); border: 1px dashed var(--tile-edge); }
.days .none { color: var(--ink-2); opacity: 0.5; }
.days .n { font-size: 18px; font-weight: 800; line-height: 1.1; }
.days .cat {
  display: -webkit-box;
  overflow: hidden;
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.25;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.days .is-today a { color: var(--accent-ink); background: var(--btn); border-color: var(--btn); border-bottom-color: var(--btn-edge); }
.days .is-today a .cat { color: var(--accent-ink); }
.days .is-today.soon { border: 2px solid var(--accent); }

/* phones: seven columns leave no room for names, so the day number alone */
@media (max-width: 640px) {
  .dow, .days { gap: 4px; }
  .dow span { font-size: 11px; letter-spacing: 0; }
  .days li { min-height: 0; }
  .days a, .days .soon, .days .none {
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
    padding: 0;
    border-radius: 10px;
  }
  .days .cat { display: none; }
  .days .n { font-size: 16px; }
}

/* the app's pitch under a text page */

.promo { display: grid; gap: 20px; }
@media (min-width: 860px) { .promo { grid-template-columns: 1.35fr 1fr; gap: 24px; } }

.promo-app h2 { margin-bottom: 18px; font-size: clamp(26px, 2.6vw, 32px); }

.promo-web {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 28px;
  border: 2px dashed var(--tile-edge);
  border-radius: 24px;
}
.promo-web h3 { font-size: 22px; }
.promo-web p { margin: 0 0 18px; color: var(--ink-2); }

/* ---------- footer ---------- */

.foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 32px;
  padding: 28px 0 44px;
  border-top: 1px solid var(--tile-edge);
  color: var(--ink-2);
  font-size: 15px;
}
.foot-brand { display: flex; align-items: center; gap: 10px; }
.foot-brand img { width: 28px; height: 28px; border-radius: 7px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 6px 20px; }
.foot-links a { color: var(--ink-2); }
.foot-links a:hover { color: var(--ink); }

/* ---------- small screens ---------- */

@media (max-width: 480px) {
  :root { --gutter: 16px; }
  .hero { gap: 40px; }
  .today { padding: 16px 16px 14px; }
  .section { padding-top: 56px; padding-bottom: 56px; }
  .band { padding: 56px 0; }
  .finale-actions .btn-lg { width: 100%; min-width: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
  .btn:active { transform: none; }
}