:root {
  /* Paper, ink and one accent — the same ground the front page stands on. */
  --bg: #f2f1ec;
  --surface: #ffffff;
  --border: #e2e0d8;
  --text: #16161a;
  --text-dim: #6a6862;
  --tile-bg: #e5e2d9;
  --spent: #d5d2c9;
  /* Anagram's own accent: indigo, distinct from Shabda's teal and Snowman's
     green, and deepened here so white type holds up on a light ground. */
  --accent: #5c63c4;
  --good: #47875c;
  --bad: #b4552f;
  --warn: #c07c2c;
  --on-colour: #ffffff;
  --font: "Helvetica Neue", Helvetica, "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
}

* { box-sizing: border-box; }

/* The panels below set `display: flex`, which outranks the `hidden` attribute's
   UA rule - without this, a hidden banner, the results screen and the "no puzzle"
   notice all keep their layout and sit on top of the game. */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  touch-action: manipulation;
  -webkit-font-smoothing: antialiased;
}

body { display: flex; flex-direction: column; }

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

/* ---------- header ---------- */
.game-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding: 10px 14px;
}

.game-header h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 4px;
  text-transform: uppercase;
}

.brand-link, .icon-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
}

.brand-link:hover, .icon-btn:hover { background: var(--surface); color: var(--text); }
.header-actions { display: flex; gap: 2px; }

/* ---------- the brand, and the way back ---------- */
.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  text-decoration: none;
  padding: 6px 8px;
  font-size: 18px;
}

.brand-link .arrow { color: var(--text-dim); }
.brand-link .brand-mark { width: 21px; height: 21px; }

/* Small beside the game's own name, which is the thing being played right now,
   but on every page so the site has a face wherever you land. */
.brand-name {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--text);
  text-transform: none;
}

.brand-name span { font-weight: 500; color: var(--text-dim); letter-spacing: 0; }

/* A phone has room for the game's name or ours, not both in full. */
@media (max-width: 430px) {
  .brand-name span { display: none; }
  /* The mark is the way home too, so the arrow is what gives way first. */
  .brand-link .arrow { display: none; }
  .brand-link { gap: 6px; padding-left: 4px; }
  .game-header h1 { font-size: 19px; letter-spacing: 2px; }
}

/* ---------- banners ---------- */
.banner, .notice {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 13px;
  padding: 10px 14px;
  text-align: center;
}

.banner { color: var(--text); }
.notice.big { display: block; margin: 40px auto; max-width: 420px; border: 1px solid var(--border); border-radius: 14px; }
.notice code { color: var(--text); }

/* ---------- today / practice ---------- */
.modes {
  display: flex;
  justify-content: center;
  gap: 6px;
  padding: 12px 12px 0;
}

.mode-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .4px;
  padding: 7px 16px;
  min-height: 36px;
  border-radius: 999px;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}

.mode-btn:hover { color: var(--text); }

.mode-btn[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-colour);
}

/* Today's pair is the game; practice is the extra. */
.mode-btn.today { border-color: #cfccc2; color: var(--text); }
.mode-btn.today[aria-pressed="true"] { border-color: var(--accent); color: var(--on-colour); }

/* ---------- layout ---------- */
/* A column: the mode pills sit above whichever panel is showing, rather than
   beside it. */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 12px 32px;
}

.play {
  width: min(460px, 100%);
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

/* The day's summary sits under the finished board rather than replacing it. */
.results {
  width: min(460px, 100%);
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.results-heading {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ---------- status ---------- */
.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
}

.badge {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 11px;
  white-space: nowrap;
}

.badge b { color: var(--text); }
.slot-label { font-size: 13px; font-weight: 700; letter-spacing: .5px; text-transform: uppercase; }

.attempts-row { display: flex; align-items: center; gap: 9px; }
.attempts-label { font-size: 11px; letter-spacing: 1px; text-transform: uppercase; color: var(--text-dim); }
.attempts { display: flex; align-items: center; gap: 5px; }

.attempts-left {
  margin-left: 5px;
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0;
  text-transform: none;
}

.pip {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
}

.pip.spent { background: var(--spent); }

/* ---------- answer slots ---------- */
.slots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  width: 100%;
}

.answer-slot {
  width: 44px;
  height: 52px;
  border-radius: 8px;
  border: 2px solid var(--border);
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 24px;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
}

.answer-slot.empty { border-style: dashed; cursor: default; }

/* Filled in because the word is over, not because you put it there. */
.answer-slot.filled:disabled { cursor: default; }

/* The finished day: both words, each behind its number. */
.finished-row {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  margin-bottom: 8px;
}

.finished-letters { display: flex; flex-wrap: wrap; gap: 5px; }

.finished-letters .answer-slot {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 46px;
  font-size: 21px;
  border-color: var(--accent);
  background: var(--surface);
}

/* A word that beat you is shown in the colour of a wrong guess. */
.answer-slot.missed { border-color: var(--bad); color: var(--bad); }
.answer-slot.filled { background: var(--surface); border-color: var(--accent); animation: drop .14s ease; }

/* The hinted letter is pinned: marked by the padlock as well as the colour. */
.answer-slot.locked {
  border-color: var(--warn);
  cursor: default;
  position: relative;
}

.answer-slot.locked::after {
  content: "\1F512";
  position: absolute;
  right: -2px;
  top: -8px;
  font-size: 10px;
}

@keyframes drop { from { transform: translateY(-6px); opacity: .5; } to { transform: none; opacity: 1; } }

.slots.shake { animation: shake .45s; }
@keyframes shake {
  10%, 90% { transform: translateX(-2px); }
  20%, 80% { transform: translateX(4px); }
  30%, 50%, 70% { transform: translateX(-6px); }
  40%, 60% { transform: translateX(6px); }
}

/* ---------- tiles ---------- */
.tray {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  width: 100%;
}

.tile {
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 8px;
  background: var(--tile-bg);
  color: var(--text);
  font-family: inherit;
  font-size: 20px;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .06s ease, background .15s ease;
}

.tile:hover:not(:disabled) { filter: brightness(1.12); }
.tile:active:not(:disabled) { transform: scale(.94); }

/* Spent tiles keep their letter but lose their weight, and say "used" to a
   screen reader, so colour is never doing the work alone. */
.tile.spent { background: var(--spent); color: #93908a; cursor: default; }

/* ---------- messages ---------- */
.message {
  margin: 0;
  min-height: 20px;
  font-size: 13.5px;
  font-weight: 600;
  text-align: center;
  color: var(--text-dim);
}

.message.warn { color: var(--warn); }
.message.bad  { color: var(--bad); }
.message.good { color: var(--good); }

/* ---------- controls ---------- */
.controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
}

.btn {
  padding: 12px 18px;
  min-height: 44px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: inherit;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
}

.btn-small { padding: 7px 14px; min-height: 36px; font-size: 12.5px; }
.btn-primary { background: var(--accent); color: var(--on-colour); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); flex: 1; min-width: 88px; }
.btn-submit { width: 100%; }
.btn:hover:not(:disabled) { filter: brightness(1.08); }
.btn:disabled { opacity: .4; cursor: default; }

/* ---------- guess history ---------- */
.history {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  width: 100%;
}

.past-guess {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 9px;
  text-decoration: line-through;
}

/* ---------- reveal ---------- */
.reveal {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  text-align: center;
  animation: rise .18s ease;
}

.reveal.good { border-color: var(--good); }
.reveal h3 { margin: 0 0 6px; font-size: 12px; letter-spacing: 1px; text-transform: uppercase; color: var(--text-dim); }
.reveal-word { margin: 0 0 8px; font-size: 26px; font-weight: 800; letter-spacing: 3px; }
.reveal-def { margin: 0 0 16px; font-size: 13.5px; line-height: 1.55; color: var(--text-dim); }

@keyframes rise { from { transform: translateY(10px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------- results ---------- */
.results h2 { margin: 0; font-size: 20px; text-transform: uppercase; letter-spacing: 1px; }
.results h3 { margin: 8px 0 0; font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-dim); }

.answer-line {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
}

.answer-line b { font-size: 17px; letter-spacing: 2px; }

.answer-slot-no {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--on-colour);
  font-size: 12px;
  font-weight: 800;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}

.answer-outcome { margin-left: auto; font-size: 12.5px; color: var(--text-dim); }

.stat-row { display: flex; gap: 6px; width: 100%; }
.stat { flex: 1; text-align: center; }
.stat-num { font-size: 22px; font-weight: 700; }
.stat-lbl { font-size: 10.5px; color: var(--text-dim); line-height: 1.3; }

.dist { width: 100%; display: flex; flex-direction: column; gap: 4px; }
.dist h4 { margin: 10px 0 2px; font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-dim); }
.dist-row { display: flex; align-items: center; gap: 8px; font-size: 12.5px; }
.dist-key { width: 12px; color: var(--text-dim); }

.dist-bar {
  background: var(--spent);
  color: var(--text);
  font-weight: 700;
  padding: 2px 8px;
  text-align: right;
  min-width: 26px;
  border-radius: 3px;
}

.dist-bar.current { background: var(--accent); color: var(--on-colour); }

.result-actions { display: flex; flex-direction: column; gap: 8px; width: 100%; }
.note { margin: 0; font-size: 12.5px; line-height: 1.5; color: var(--text-dim); text-align: center; }

.next-up { font-size: 13px; color: var(--text-dim); }
.next-up b { color: var(--text); font-variant-numeric: tabular-nums; }

/* ---------- modals ---------- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(22, 22, 26, .45);
  display: grid;
  place-items: center;
  z-index: 50;
  padding: 16px;
}

.modal[hidden] { display: none; }

.modal-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px 24px 22px;
  width: min(430px, 100%);
  max-height: 88vh;
  /* Phones report vh as the height with the browser bars hidden, so a card
     sized in vh can hang off both ends of what is really visible. */
  max-height: 88svh;
  overflow-y: auto;
  animation: rise .18s ease;
}

/* The first line of the how-to says what the game is, in one sentence, rather
   than starting straight in on the rules — useful to a player who arrived from
   a link, and it is the line anything quoting the page will take. */
.modal-card .lede {
  color: var(--text);
  font-size: 15.5px;
  line-height: 1.6;
}

.modal-card h2 { margin: 0 0 14px; font-size: 20px; text-transform: uppercase; letter-spacing: 1px; }
.modal-card h3 { margin: 20px 0 10px; font-size: 13px; text-transform: uppercase; letter-spacing: 1px; }
.modal-card p { color: var(--text-dim); font-size: 14px; line-height: 1.6; margin: 0 0 12px; }
.modal-card p b { color: var(--text); }

/* Title and close button ride together in a bar that stays at the top while the
   rest scrolls. On a phone the how-to is twice the height of the screen, and
   before this the way out scrolled off with the text — disappearing at exactly
   the moment someone had read to the end and wanted to start playing. */
.modal-head {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 4px 0 12px;
  margin-bottom: 16px;
}

.modal-head h2 { margin: 0; }

/* Padded out to a thumb-sized target rather than a glyph you have to aim at. */
.modal-close {
  flex: 0 0 auto;
  background: none;
  border: none;
  border-radius: 8px;
  margin: -6px -8px 0 0;
  padding: 6px 10px;
  color: var(--text-dim);
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}

.modal-close:hover { color: var(--text); }

.fine { font-size: 12.5px; border-top: 1px solid var(--border); padding-top: 14px; margin-top: 16px; }

/* ---------- small screens ---------- */
/* UI-1.1: everything has to work at 360px. Ten 8-letter tiles wrap rather than
   shrink below the tap-target floor. */
@media (max-width: 400px) {
  /* Narrower screens wrap the answer rather than shrinking a tap target below
     44px, which UI-1.8 sets as the floor. */
  .answer-slot { width: 44px; height: 48px; font-size: 20px; }
  .tile { width: 44px; height: 44px; }
  .game-header h1 { font-size: 19px; letter-spacing: 3px; }
  .stat-num { font-size: 19px; }
}

/* UI-2.8 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}