/* wordle.css — Kana Wordle (tools/wordle/) */

:root {
  --page-color: #5d8a3a;                      /* 若草 wakakusa */
  --page-ink: #4a7030;
  --page-color-soft: rgba(93, 138, 58, 0.10);
  --wd-correct: #5d8a3a;
  --wd-present: #c9971c;
  --wd-close: #2a86a0;
  --wd-absent: #857d71;
  --wd-tile: #fffdf8;
}
:root[data-theme="dark"] {
  --wd-correct: #4f7a31;
  --wd-present: #a87d14;
  --wd-close: #1f6f86;
  --wd-absent: #3c3730;
  --wd-tile: #1c1916;
}

.wd [hidden], [hidden].wd-overlay, [hidden].wd-toast { display: none !important; }

/* A compact page head so the game is on screen right away */
.wd .page-head { padding: clamp(12px, 3vh, 36px) 0 clamp(14px, 3vh, 32px); }
.wd .page-head-copy { padding-top: 0; }
.wd .page-head .page-title { margin-bottom: 10px; }
@media (max-width: 700px) { .wd .page-intro { display: none; } }

/* ---------------------------------------------------------------- bar */
.wd-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin: 4px 0 20px; }
.wd-seg { display: inline-flex; border: 1px solid var(--border-strong); }
.wd-seg button { font: 500 14px var(--font-gothic); padding: 8px 14px; min-height: 40px; border: 0; border-left: 1px solid var(--border-strong); background: transparent; color: var(--ink-soft); cursor: pointer; }
.wd-seg button:first-child { border-left: 0; }
.wd-seg button[aria-checked="true"] { background: var(--ink); color: var(--paper); }
.wd-select-wrap { display: inline-flex; align-items: center; gap: 8px; }
.wd-label { font-size: 12px; color: var(--muted); }
.wd-select { font: 14px var(--font-gothic); padding: 8px 10px; min-height: 40px; border: 1px solid var(--border-strong); background: var(--surface); color: var(--ink); }
.wd-bar-end { margin-left: auto; display: flex; gap: 6px; }
.wd-icon { width: 40px; height: 40px; border: 1px solid var(--border); background: var(--surface); color: var(--ink); font: 500 16px var(--font-mincho); cursor: pointer; }

/* ---------------------------------------------------------------- board */
.wd-game { max-width: 500px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.wd-title { font-size: 13px; color: var(--muted); letter-spacing: 0.02em; margin: 0; }
.wd-board {
  --len: 4;
  /* Tiles shrink so all 8 rows and the keyboard fit on a phone screen */
  --tile: min(64px, calc((100vw - 40px) / var(--len)), calc((100svh - 470px) / 8));
  --tile-safe: max(34px, var(--tile));
  display: grid; gap: 5px; width: calc(var(--len) * var(--tile-safe) + (var(--len) - 1) * 5px);
}
.wd-row { display: grid; grid-template-columns: repeat(var(--len), minmax(0, 1fr)); gap: 5px; }
.wd-tile {
  aspect-ratio: 1; display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--rule); background: var(--wd-tile); color: var(--ink);
  font: 500 calc(var(--tile-safe) * 0.5)/1 'Noto Sans JP', sans-serif; user-select: none;
}
.wd-tile.is-filled { border-color: var(--ink-soft); animation: wd-pop 0.1s ease; }
.wd-tile.is-correct, .wd-tile.is-present, .wd-tile.is-close, .wd-tile.is-absent { color: #fff; border-color: transparent; }
.wd-tile.is-correct { background: var(--wd-correct); }
.wd-tile.is-present { background: var(--wd-present); }
.wd-tile.is-close { background: var(--wd-close); }
.wd-tile.is-absent { background: var(--wd-absent); }
.wd-tile.is-flip { animation: wd-flip 0.5s ease both; }
.wd-tail { font: 400 clamp(12px, 3.6vw, 16px) var(--font-gothic); color: var(--muted); }
.wd-row.is-shake { animation: wd-shake 0.4s ease; }
.wd-row.is-win .wd-tile { animation: wd-bounce 0.5s ease both; }
.wd-row.is-win .wd-tile:nth-child(2) { animation-delay: 0.08s; }
.wd-row.is-win .wd-tile:nth-child(3) { animation-delay: 0.16s; }
.wd-row.is-win .wd-tile:nth-child(4) { animation-delay: 0.24s; }
.wd-row.is-win .wd-tile:nth-child(5) { animation-delay: 0.32s; }
@keyframes wd-pop { 50% { transform: scale(1.08); } }
@keyframes wd-flip { 0% { transform: rotateX(90deg); } 100% { transform: rotateX(0); } }
@keyframes wd-shake { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }
@keyframes wd-bounce { 40% { transform: translateY(-14px); } 70% { transform: translateY(2px); } }
@media (prefers-reduced-motion: reduce) { .wd-tile, .wd-row { animation: none !important; } }

/* ---------------------------------------------------------------- keys */
.wd-keys { width: 100%; display: grid; grid-template-columns: repeat(10, minmax(0, 1fr)); gap: 4px; }
.wd-key {
  position: relative; height: clamp(38px, min(10.5vw, 6.2svh), 50px); padding: 0; border: 0; border-radius: 4px;
  background: var(--paper-deep); color: var(--ink); cursor: pointer; touch-action: manipulation;
  font: 500 clamp(16px, 4.6vw, 21px)/1 'Noto Sans JP', sans-serif;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
}
.wd-key:active { filter: brightness(0.93); }
.wd-key.is-gap { background: none; cursor: default; }
.wd-key.is-fn { font-size: clamp(13px, 3.8vw, 17px); background: var(--rule); }
.wd-key.is-correct { background: var(--wd-correct); color: #fff; }
.wd-key.is-present { background: var(--wd-present); color: #fff; }
.wd-key.is-absent { background: var(--wd-absent); color: rgba(255, 255, 255, 0.85); }
.wd-key-r { display: none; font: 400 9px var(--font-gothic); opacity: 0.7; }
.wd-keys.show-romaji .wd-key-r { display: block; }
.wd-key-dot { position: absolute; top: 3px; right: 3px; width: 7px; height: 7px; border-radius: 50%; box-shadow: 0 0 0 1px var(--paper); }
.wd-key-dot.is-correct { background: var(--wd-correct); }
.wd-key-dot.is-present { background: var(--wd-present); }
.wd-key-dot.is-absent { background: var(--wd-absent); }
.wd-key-row { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 2fr; gap: 4px; }
.wd-key.is-wide { font: 600 15px var(--font-gothic); }
.wd-key.is-enter { background: var(--ink); color: var(--paper); }
/* Moved under the current row while a Japanese IME composes, so its candidate list opens nearby */
.wd-ime { position: fixed; left: -9999px; top: 0; width: 1px; height: 1px; padding: 0; border: 0; opacity: 0; font-size: 16px; caret-color: transparent; pointer-events: none; }

/* ---------------------------------------------------------------- how to */
.wd-section { margin-top: clamp(40px, 7vh, 72px); }
.wd-howto { max-width: var(--measure); padding-left: 1.1em; display: grid; gap: 10px; color: var(--ink-soft); }
.wd-chip { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; color: #fff; font: 500 15px 'Noto Sans JP', sans-serif; vertical-align: middle; margin: 0 2px; }
.wd-chip.is-correct { background: var(--wd-correct); }
.wd-chip.is-present { background: var(--wd-present); }
.wd-chip.is-close { background: var(--wd-close); }
.wd-chip.is-absent { background: var(--wd-absent); }
.wd-credit { margin-top: 14px; font-size: 12px; color: var(--muted); max-width: var(--measure); }

/* ---------------------------------------------------------------- overlays */
.wd-overlay { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: 16px; background: var(--scrim, color-mix(in srgb, #1f1c18 35%, transparent)); }
.wd-sheet { position: relative; width: 100%; max-width: 420px; max-height: calc(100vh - 32px); overflow-y: auto; background: var(--surface); padding: clamp(22px, 4vw, 30px); display: flex; flex-direction: column; gap: 10px; }
.wd-close { position: absolute; top: 8px; right: 10px; width: 40px; height: 40px; border: 0; background: none; font-size: 26px; color: var(--muted); cursor: pointer; }
.wd-sheet-title { font: 600 1.8rem var(--font-mincho); margin: 0; }
.wd-sheet-actions { display: flex; align-items: center; gap: 8px 20px; flex-wrap: wrap; margin-top: 8px; }
.wd-answer { padding: 12px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.wd-answer-word { font: 500 2.2rem/1.2 'Noto Sans JP', sans-serif; margin: 0; }
.wd-answer-reading { font-size: 16px; margin: 4px 0 0; }
.wd-answer-meaning { margin: 6px 0 0; color: var(--ink-soft); }
.wd-muted { color: var(--muted); }
.wd-stats { display: grid; gap: 10px; }
.wd-stat-row { display: grid; grid-template-columns: repeat(4, 1fr); text-align: center; }
.wd-stat-v { display: block; font: 600 1.6rem var(--font-mincho); font-variant-numeric: tabular-nums; }
.wd-stat-l { display: block; font-size: 11px; color: var(--muted); }
.wd-dist-title { font-size: 12px; color: var(--muted); margin: 6px 0 0; }
.wd-dist { list-style: none; margin: 0; padding: 0; display: grid; gap: 3px; }
.wd-dist li { display: grid; grid-template-columns: 16px 1fr; gap: 6px; align-items: center; font-size: 12px; }
.wd-dist-n { text-align: right; color: var(--ink-soft); }
.wd-dist-bar { display: flex; color: #fff; font-variant-numeric: tabular-nums; min-width: 20px; }
.wd-dist-bar > span { flex: 1 1 0; padding: 2px 6px; text-align: right; min-width: max-content; }
.wd-dist-clean { background: var(--wd-absent); }
.wd-dist-hint { background: repeating-linear-gradient(135deg, #b3aa9c 0 6px, #a49b8c 6px 12px); color: #fff; }
.wd-dist-bar.is-now .wd-dist-clean { background: var(--wd-correct); }
.wd-dist-bar.is-now .wd-dist-hint { background: repeating-linear-gradient(135deg, #7da55c 0 6px, #6f9850 6px 12px); }
.wd-stat-line { margin: 0; font-size: 12px; color: var(--ink-soft); text-align: center; }
.wd-dist-key { margin: 2px 0 0; font-size: 11px; color: var(--muted); white-space: pre; }
.wd-key-swatch { display: inline-block; width: 10px; height: 10px; background: var(--wd-absent); vertical-align: -1px; }
.wd-key-swatch.is-hint { background: repeating-linear-gradient(135deg, #b3aa9c 0 3px, #a49b8c 3px 6px); }
.wd-next { font-size: 13px; color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.wd-toggle { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--ink-soft); padding: 8px 0; border-bottom: 1px solid var(--border); }
.wd-toggle input { accent-color: var(--page-color); width: 18px; height: 18px; margin-top: 2px; flex-shrink: 0; }
.wd-toast { position: fixed; left: 50%; top: 96px; transform: translateX(-50%); z-index: 300; max-width: min(420px, calc(100vw - 32px)); padding: 10px 16px; background: var(--ink); color: var(--paper); font-size: 14px; white-space: pre-line; text-align: center; }
@media (max-width: 560px) { .wd-bar-end { margin-left: 0; } }
.wd-daku { font-size: 0.72em; letter-spacing: -0.04em; }

/* ---------------------------------------------------------------- theme + hints */
.wd-hints { display: flex; flex-direction: column; align-items: center; gap: 4px; min-height: 24px; text-align: center; max-width: 100%; }
.wd-theme, .wd-hint { margin: 0; font-size: 15px; color: var(--ink); }
.wd-theme-label { display: inline-block; font: 600 10.5px var(--font-gothic); letter-spacing: 0.08em; text-transform: uppercase; color: var(--page-ink); background: var(--page-color-soft); padding: 2px 7px; margin-right: 4px; vertical-align: 2px; }
.wd-hint { font-size: 14px; color: var(--ink-soft); }
.wd-hint-btn { font: 500 13px var(--font-gothic); color: var(--ink-soft); background: none; border: 1px dashed var(--border-strong); padding: 5px 12px; cursor: pointer; margin-top: 2px; }
.wd-hint-btn:hover { border-color: var(--page-color); color: var(--ink); }
@media (max-width: 560px) { .wd-theme { font-size: 14px; } .wd-hint { font-size: 13px; } .wd-game { gap: 10px; } }

:root[data-theme="dark"] .wd-key { background: #2a2622; }
:root[data-theme="dark"] .wd-key.is-fn { background: #36312b; }
:root[data-theme="dark"] .wd-key.is-correct { background: var(--wd-correct); }
:root[data-theme="dark"] .wd-key.is-present { background: var(--wd-present); }
:root[data-theme="dark"] .wd-key.is-absent { background: #161412; color: rgba(255, 255, 255, 0.4); }
:root[data-theme="dark"] .wd-dist-hint { background: repeating-linear-gradient(135deg, #4d463d 0 6px, #433d35 6px 12px); }
:root[data-theme="dark"] .wd-key-swatch.is-hint { background: repeating-linear-gradient(135deg, #4d463d 0 3px, #433d35 3px 6px); }

/* ---------------------------------------------------------------- language */
html[data-ui="ja"] [data-ui-only="en"], html:not([data-ui="ja"]) [data-ui-only="ja"] { display: none !important; }
.wd-set-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 4px 0 12px; border-bottom: 1px solid var(--border); }
.wd-toggle strong { color: var(--ink); font-weight: 600; }
.wd-tile.is-preview { color: var(--page-ink); text-decoration: underline dotted; text-underline-offset: 0.12em; }