:root {
  --bg: #16181d; --panel: #1f2229; --text: #eef0f3; --muted: #9aa0ab; --line: #343843;
  --g: #3a9d6a; --y: #c9a227; --x: #3d4250; --key: #5a6070;
  --tile: min(58px, calc((100vw - 32px - (var(--len, 5) - 1) * 6px) / var(--len, 5)));
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #fbfaf7; --panel: #f0eee9; --text: #16181d; --muted: #6b6f78; --line: #d9d6cf;
    --x: #8a8f99; --key: #d6d3cc; color-scheme: light; }
}
/* High contrast: orange and blue tell apart for every kind of colour vision. */
body.contrast { --g: #e8742a; --y: #4aa3e0; }

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg); color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex; flex-direction: column; min-height: 100dvh;
  -webkit-tap-highlight-color: transparent;
}
header {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: 10px 14px; border-bottom: 1px solid var(--line);
}
header h1 { margin: 0; font-size: 26px; letter-spacing: 0.02em; font-weight: 800; }
header .right { justify-self: end; display: flex; gap: 10px; align-items: center; }
#clock { font-variant-numeric: tabular-nums; color: var(--muted); font-weight: 600; }
.icon {
  width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line);
  background: transparent; color: var(--text); font: inherit; font-weight: 700; cursor: pointer;
}
main { flex: 1; display: flex; justify-content: center; padding: 18px 16px; }
.screen { width: 100%; max-width: 480px; display: flex; flex-direction: column; align-items: center; text-align: center; }
.screen[hidden] { display: none; }
h2 { font-size: 22px; margin: 14px 0 6px; }
.day { color: var(--muted); margin: 0 0 10px; font-size: 14px; }
.rules { text-align: left; padding-left: 20px; margin: 8px 0 22px; }
.rules li { margin: 6px 0; }
.gtxt { color: var(--g); } .ytxt { color: var(--y); }
.small { font-size: 13px; } .muted { color: var(--muted); }

button.primary {
  background: var(--g); color: #fff; border: 0; border-radius: 999px; padding: 12px 34px;
  font: inherit; font-weight: 700; font-size: 17px; cursor: pointer; margin-top: 8px;
}
button.primary:hover { filter: brightness(1.08); }

/* Tiles */
.row { display: flex; gap: 6px; justify-content: center; }
.t {
  width: var(--tile); height: var(--tile); display: grid; place-items: center;
  font-weight: 800; font-size: calc(var(--tile) * 0.5); text-transform: uppercase;
  border: 2px solid var(--line); border-radius: 6px; user-select: none;
}
.t.g, .t.y, .t.x { border-color: transparent; color: #fff; }
.t.g { background: var(--g); } .t.y { background: var(--y); } .t.x { background: var(--x); }
.demo .t, .small-row .t { --tile: 44px; }
.small-row { margin: 10px 0; }
.demo { margin: 6px 0 2px; }

.progress { display: flex; gap: 8px; margin-bottom: 6px; }
.pip { width: 34px; height: 6px; border-radius: 3px; background: var(--line); }
.pip.now { background: var(--muted); }
.pip.win { background: var(--g); } .pip.miss { background: #c4473a; }
.label { color: var(--muted); font-size: 14px; margin: 4px 0 12px; }
.board { display: flex; flex-direction: column; gap: 18px; align-items: center; }
.clues { display: flex; flex-direction: column; gap: 6px; }
.clues::before { content: "Clues"; font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.yours { display: flex; flex-direction: column; gap: 6px; }
.yours::before { content: "Your guess"; font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.input .t.filled { border-color: var(--muted); animation: pop 0.08s; }
.input .t.cursor { border-color: var(--muted); border-style: dashed; }
.answer { opacity: 0.85; }
.answer .t.g { background: transparent; border-color: var(--g); color: var(--g); }
.message { min-height: 1.5em; margin: 16px 0 4px; font-size: 17px; }

.flip { animation: flip 0.45s both; }
@keyframes flip { 0% { transform: rotateX(90deg); filter: brightness(0.6); } 100% { transform: none; } }
@keyframes pop { 50% { transform: scale(1.08); } }
.shake { animation: shake 0.35s; }
@keyframes shake { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }

/* Keyboard */
.keyboard { padding: 8px 6px calc(10px + env(safe-area-inset-bottom)); display: flex; flex-direction: column; gap: 7px; max-width: 520px; width: 100%; margin: 0 auto; }
.keyboard[hidden] { display: none; }
.krow { display: flex; gap: 5px; justify-content: center; }
.k {
  flex: 1; max-width: 44px; height: 54px; border: 0; border-radius: 6px; background: var(--key); color: var(--text);
  font: inherit; font-weight: 700; text-transform: uppercase; cursor: pointer; padding: 0; touch-action: manipulation;
}
.k.wide { max-width: 68px; flex: 1.5; font-size: 13px; text-transform: none; }
.k.g { background: var(--g); color: #fff; } .k.y { background: var(--y); color: #fff; }
.k.x { background: transparent; color: var(--muted); border: 1px solid var(--line); }
.k:disabled { opacity: 0.4; cursor: default; }

/* Results */
.results { width: 100%; display: flex; flex-direction: column; gap: 8px; margin: 14px 0; }
.result { display: grid; grid-template-columns: 28px auto 1fr; align-items: baseline; gap: 10px; padding: 10px 14px; background: var(--panel); border-radius: 10px; text-align: left; }
.result .mark { font-weight: 800; }
.result.win .mark { color: var(--g); } .result.miss .mark { color: #c4473a; }
.result .word { font-weight: 800; letter-spacing: 0.06em; }
.result .note { color: var(--muted); font-size: 13px; text-align: right; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; width: 100%; margin: 4px 0 14px; }
.stats div { display: flex; flex-direction: column; }
.stats b { font-size: 24px; font-variant-numeric: tabular-nums; }
.stats span { font-size: 12px; color: var(--muted); }

dialog { background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 14px; max-width: 420px; padding: 20px 22px; }
dialog::backdrop { background: rgb(0 0 0 / 0.55); }
dialog h2 { margin-top: 0; }
dialog form { text-align: center; }
#toast {
  position: fixed; top: 70px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg);
  padding: 8px 16px; border-radius: 8px; font-weight: 600; z-index: 5;
}
#toast[hidden] { display: none; }
@media (prefers-reduced-motion: reduce) { .flip, .shake, .input .t.filled { animation: none; } }
.credits { margin-top: 16px; }
.credits a { color: inherit; }