:root {
  --bg: #2b2d31;
  --panel: #383a40;
  --text: #f4f4f5;
  --muted: #a3a6ad;
  --line: #5b5e66;
  --line-active: #e4e4e7;
  --key: #45484f;
  --correct: #2e9e4f;
  --present: #e8a317;
  --absent: #111214;
  --gap: 5px;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f3f3f1;
    --panel: #ffffff;
    --text: #1d1e20;
    --muted: #6a6d74;
    --line: #c9cacd;
    --line-active: #55585f;
    --key: #dcdddf;
    --absent: #6f737b;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  overflow: hidden;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
button, select, input { font: inherit; color: inherit; }

#app {
  height: 100vh;
  height: 100dvh;
  max-width: 520px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

header {
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 8px 8px 2px;
}
.icon {
  width: 44px;
  height: 40px;
  border: 0;
  border-radius: 8px;
  background: var(--key);
  display: grid;
  place-items: center;
  cursor: pointer;
}
.icon svg { width: 22px; height: 22px; }

/* Board: tile size is set from JS so the grid always fits the space left
   between the header and the keyboard, whatever the phone or word length. */
#wrap {
  flex: 1;
  min-height: 0;
  display: flex;
  padding: 8px;
}
#board {
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}
.row { display: flex; gap: var(--gap); }
.tile {
  width: var(--tile, 52px);
  height: var(--tile, 52px);
  border: 2px solid var(--line);
  border-radius: 6px;
  display: grid;
  place-items: center;
  font-size: calc(var(--tile, 52px) * 0.56);
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
}
.row.active .tile { border-color: var(--line-active); }
.tile.c { --c: var(--correct); }
.tile.p { --c: var(--present); }
.tile.a { --c: var(--absent); }
.tile.c, .tile.p, .tile.a { background: var(--c); border-color: var(--c); color: #fff; }
.tile.pop { animation: pop 0.06s ease-out; }
.tile.flip { animation: flip 0.16s ease both; }
.row.shake { animation: shake 0.2s; }
@keyframes pop { from { transform: scale(0.85); } }
@keyframes flip {
  0%, 49% { background: transparent; border-color: var(--line-active); color: var(--text); }
  0% { transform: rotateX(0); }
  50% { transform: rotateX(90deg); }
  100% { transform: rotateX(0); }
}
@keyframes shake {
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

#toast {
  position: fixed;
  top: calc(env(safe-area-inset-top) + 60px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  padding: 9px 14px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
  z-index: 5;
}
#toast.show { opacity: 1; }

footer { padding: 4px 4px 8px; }
.krow { display: flex; gap: 4px; margin-top: 5px; }
.krow.inset { padding: 0 5%; }
.krow.wide { padding: 0 14%; }
.key {
  flex: 1;
  min-width: 0;
  height: 52px;
  border: 0;
  border-radius: 6px;
  background: var(--key);
  font-size: 18px;
  font-weight: 700;
  padding: 0;
  cursor: pointer;
}
.key:active { filter: brightness(1.3); }
.key.c { background: var(--correct); color: #fff; }
.key.p { background: var(--present); color: #fff; }
.key.a { background: var(--absent); color: #8a8d94; }
@media (max-height: 620px) {
  .key { height: 44px; }
  .icon { height: 34px; }
}

#result { text-align: center; padding: 10px 8px 6px; }
#resTitle { color: var(--muted); font-size: 16px; }
#resWord { font-size: 30px; font-weight: 800; letter-spacing: 0.12em; margin: 4px 0 14px; text-transform: uppercase; }

.actions { display: flex; gap: 10px; margin-top: 16px; }
.btn {
  flex: 1;
  height: 50px;
  border: 0;
  border-radius: 8px;
  background: var(--key);
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
}
.btn.primary { background: var(--correct); color: #fff; }

dialog {
  width: min(92vw, 380px);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  color: var(--text);
  padding: 18px;
  -webkit-user-select: none;
  user-select: none;
}
dialog::backdrop { background: rgba(0, 0, 0, 0.55); }
dialog h2 { margin: 0 0 12px; font-size: 20px; }
dialog p { margin: 8px 0; line-height: 1.4; }
.note { color: var(--muted); font-size: 14px; min-height: 1.4em; }
.note.err { color: #ff8a80; }
@media (prefers-color-scheme: light) { .note.err { color: #c62828; } }
.field { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 10px 0; }
select, input[type="text"] {
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  padding: 0 10px;
  font-size: 17px; /* 16px+ stops iOS zooming the page on focus */
}
.check { display: flex; align-items: center; gap: 10px; margin: 16px 0 8px; font-size: 17px; }
.check input { width: 22px; height: 22px; accent-color: var(--correct); }
#inpAuto {
  width: 100%;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.15em;
  -webkit-user-select: text;
  user-select: text;
}
#inpAuto:disabled { opacity: 0.45; }
.tile.mini { --tile: 30px; display: inline-grid; vertical-align: middle; margin-right: 8px; border-radius: 5px; }

#statNums { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; text-align: center; margin: 14px 0; }
#statNums b { display: block; font-size: 26px; }
#statNums span { color: var(--muted); font-size: 12px; }
.bar { display: flex; align-items: center; gap: 8px; margin: 4px 0; font-size: 14px; font-weight: 700; }
.bar i { display: block; min-width: 22px; padding: 2px 6px; border-radius: 4px; background: var(--key); text-align: right; font-style: normal; }
.bar i.hit { background: var(--correct); color: #fff; }