/* Themes are pure variable swaps — adding one means adding a [data-theme] block, nothing else. */
:root, [data-theme=wordle] {
  --bg:#ffffff; --fg:#1a1a1b; --muted:#787c7e; --line:#d3d6da; --key:#d3d6da; --key-fg:#1a1a1b;
  --green:#6aaa64; --yellow:#c9b458; --gray:#787c7e; --mark-fg:#ffffff; --accent:#6aaa64; --font:"Helvetica Neue",Arial,sans-serif;
}
[data-theme=noir] {
  --bg:#0b0b0c; --fg:#e8e8e8; --muted:#8a8a8a; --line:#2a2a2c; --key:#2a2a2c; --key-fg:#e8e8e8;
  --green:#d7d7d7; --yellow:#6e6e6e; --gray:#1a1a1b; --mark-fg:#0b0b0c; --accent:#d7d7d7;
}
[data-theme=phosphor] {
  --bg:#020a03; --fg:#38ff7a; --muted:#1c7a3c; --line:#0d3a1c; --key:#07240f; --key-fg:#38ff7a;
  --green:#38ff7a; --yellow:#1c7a3c; --gray:#07240f; --mark-fg:#020a03; --accent:#38ff7a;
  --font:"SF Mono",Consolas,monospace;
}
[data-theme=amber] {
  --bg:#0f0800; --fg:#ffb000; --muted:#8a5f00; --line:#3a2700; --key:#241800; --key-fg:#ffb000;
  --green:#ffb000; --yellow:#8a5f00; --gray:#241800; --mark-fg:#0f0800; --accent:#ffb000;
  --font:"SF Mono",Consolas,monospace;
}
[data-theme=aurora] {
  --bg:#0a0f1f; --fg:#e6ecff; --muted:#7b88b0; --line:#1d2742; --key:#1d2742; --key-fg:#e6ecff;
  --green:#3ddc97; --yellow:#7b5cff; --gray:#141c31; --mark-fg:#0a0f1f; --accent:#3ddc97;
}
[data-theme=ember] {
  --bg:#150a08; --fg:#ffd9c0; --muted:#9b6250; --line:#3a1d16; --key:#301812; --key-fg:#ffd9c0;
  --green:#ff6b35; --yellow:#b23a1f; --gray:#230f0b; --mark-fg:#150a08; --accent:#ff6b35;
}
[data-theme=blueprint] {
  --bg:#0a2540; --fg:#dbeafe; --muted:#6b93bd; --line:#17416b; --key:#123356; --key-fg:#dbeafe;
  --green:#7dd3fc; --yellow:#38608f; --gray:#0d2b49; --mark-fg:#0a2540; --accent:#7dd3fc;
  --font:"SF Mono",Consolas,monospace;
}

/* Each theme already picks its own colours. Declaring the scheme stops Chrome's
   Auto Dark Mode repainting them (it was turning phosphor's near-black page
   light grey) and makes scrollbars and the theme <select> match. */
[data-theme=wordle] { color-scheme:light; }
[data-theme=noir], [data-theme=phosphor], [data-theme=amber],
[data-theme=aurora], [data-theme=ember], [data-theme=blueprint] { color-scheme:dark; }

* { box-sizing:border-box; }
body {
  margin:0; min-height:100vh; display:flex; flex-direction:column; align-items:center;
  background:var(--bg); color:var(--fg); font-family:var(--font); user-select:none;
  transition:background .2s,color .2s;
}
header {
  width:100%; max-width:600px; display:flex; align-items:center; justify-content:space-between;
  gap:8px; padding:8px 12px; border-bottom:1px solid var(--line);
}
h1 { margin:0; font-size:28px; font-weight:800; letter-spacing:.06em; text-transform:uppercase; }
.icon-btn, #hint-btn, #big-hint-btn, #help-close, #cheat-close, #modes button, select {
  font:inherit; color:var(--fg); background:transparent; border:1px solid var(--line);
  border-radius:4px; padding:4px 10px; cursor:pointer;
}
select { background:var(--bg); }
#modes { display:flex; gap:6px; margin:10px 0 4px; }
#modes button.active { background:var(--accent); color:var(--mark-fg); border-color:var(--accent); font-weight:700; }
#bar { display:flex; align-items:center; gap:14px; min-height:26px; font-size:13px; color:var(--muted); }
#bar label { cursor:pointer; }
#stats { display:flex; gap:16px; font-size:13px; color:var(--muted); margin-top:4px; }
#stats b { color:var(--fg); }

#board { display:grid; gap:5px; margin:12px 0; }
.row { display:grid; gap:5px; }
.tile {
  width:56px; height:56px; display:flex; align-items:center; justify-content:center;
  font-size:26px; font-weight:700; border:2px solid var(--line); background:transparent; color:var(--fg);
}
.tile.filled { border-color:var(--muted); }
.tile.g { background:var(--green); border-color:var(--green); color:var(--mark-fg); }
.tile.y { background:var(--yellow); border-color:var(--yellow); color:var(--mark-fg); }
.tile.x { background:var(--gray); border-color:var(--gray); color:var(--mark-fg); }
.row.shake { animation:shake .5s; }
@keyframes shake { 10%,90%{transform:translateX(-2px)} 30%,70%{transform:translateX(4px)} 50%{transform:translateX(-6px)} }

#msg { min-height:30px; font-size:14px; font-weight:600; text-align:center; padding:4px 12px; }
#msg .reveal { font-weight:400; color:var(--muted); }

#keyboard { display:flex; flex-direction:column; gap:6px; align-items:center; padding:6px 6px 20px; }
.krow { display:flex; gap:4px; flex-wrap:wrap; justify-content:center; }
.key {
  min-width:44px; padding:5px 6px 3px; border:none; border-radius:4px; cursor:pointer;
  background:var(--key); color:var(--key-fg); font-family:inherit;
  display:flex; flex-direction:column; align-items:center; line-height:1.1;
}
.key .sym { font-size:17px; font-weight:700; }
.key .eg { font-size:9px; opacity:.65; letter-spacing:.02em; }
.key.wide { min-width:62px; justify-content:center; font-size:12px; font-weight:700; }
.key.g { background:var(--green); color:var(--mark-fg); }
.key.y { background:var(--yellow); color:var(--mark-fg); }
.key.x { background:var(--gray); color:var(--mark-fg); opacity:.55; }

/* ---------- IPA chart layout ---------- */
#keyboard.chart { width:100%; max-width:700px; align-items:stretch; }
.ktabs { display:flex; gap:6px; }
.ktabs button {
  font:inherit; font-size:11px; padding:2px 8px; border:1px solid var(--line); border-radius:4px;
  background:transparent; color:var(--fg); cursor:pointer;
}
.ktabs button.active { background:var(--accent); color:var(--mark-fg); border-color:var(--accent); font-weight:700; }

.chart { width:100%; overflow-x:auto; }
.chart-head {
  display:flex; align-items:center; gap:10px; margin:6px 0 4px;
  font-size:11px; text-transform:uppercase; letter-spacing:.08em; color:var(--muted);
}
.chart-foot { font-size:10px; color:var(--muted); text-align:center; margin-top:2px; }
.chart .key { min-width:30px; padding:3px 3px 2px; border-radius:2px; }
.chart .key .sym { font-size:15px; }
.chart .key .eg { font-size:7px; }

/* Ruled like the reference: every place split into voiceless | voiced. */
.cgrid {
  display:grid; grid-template-columns:auto auto repeat(16, 1fr);
  min-width:680px; border:1px solid var(--fg);
}
.cgrid > * { border-right:1px solid var(--line); border-bottom:1px solid var(--line); }
.ccorner {
  grid-row:span 2; grid-column:span 2;
  background:linear-gradient(to bottom right, transparent calc(50% - .5px), var(--line) calc(50% - .5px), var(--line) calc(50% + .5px), transparent calc(50% + .5px));
}
.ctitle {
  grid-column:span 16; text-align:center; font-size:11px; font-weight:700;
  letter-spacing:.04em; padding:3px 0;
}
.chead {
  grid-column:span 2; font-size:9px; color:var(--muted);
  display:flex; align-items:center; justify-content:center; text-align:center; padding:2px 1px;
}
.caxis {
  writing-mode:vertical-rl; transform:rotate(180deg);
  display:flex; align-items:center; justify-content:center;
  font-size:10px; font-weight:700; letter-spacing:.04em; padding:0 2px;
}
.clabel { font-size:9px; color:var(--muted); display:flex; align-items:center; padding:0 5px 0 4px; white-space:nowrap; }
.ccell { display:flex; align-items:center; justify-content:center; min-height:26px; }
.clegend { display:flex; gap:0; align-items:center; justify-content:center; font-size:10px; color:var(--muted); margin-top:4px; }
.clegend span { border:1px solid var(--fg); color:var(--fg); padding:1px 14px; margin-left:6px; }
.clegend span + span { margin-left:0; border-left:none; }

.quad { position:relative; width:100%; max-width:600px; aspect-ratio:544/292; margin:2px auto 0; }
.quad svg { position:absolute; inset:0; width:100%; height:100%; color:var(--muted); }
.quad .key, .qghost { position:absolute; transform:translate(-50%,-50%); }
.qghost { font-size:20px; font-weight:700; color:var(--muted); }

#cheat { max-width:560px; }
#cheat-body h3 {
  margin:12px 0 4px; font-size:11px; text-transform:uppercase; letter-spacing:.08em; color:var(--muted);
}
.sheet { display:grid; grid-template-columns:repeat(auto-fill, minmax(168px, 1fr)); gap:1px 10px; }
.srow { display:grid; grid-template-columns:34px 1fr auto; align-items:baseline; gap:4px; font-size:12px; }
.srow.dead { opacity:.45; }
.ssym { font-size:16px; font-weight:700; text-align:center; }
.seg { color:var(--muted); }
.sname { font-size:10px; color:var(--muted); }

dialog { max-width:440px; border:1px solid var(--line); background:var(--bg); color:var(--fg); border-radius:8px; padding:20px; }
dialog::backdrop { background:#0009; }
dialog h2 { margin-top:0; }
dialog p { font-size:14px; line-height:1.5; }
.ex { font-weight:700; }
.sw { display:inline-block; width:14px; height:14px; vertical-align:-2px; border-radius:2px; }
.sw.g{background:var(--green)} .sw.y{background:var(--yellow)} .sw.x{background:var(--gray)}
.credit { font-size:12px; color:var(--muted); }
.credit a { color:var(--accent); }

@media (max-width:520px) {
  .tile { width:44px; height:44px; font-size:20px; }
  .key { min-width:34px; } .key .sym { font-size:14px; } .key .eg { font-size:8px; }
}