/* pronunciation/ipa.css — Bảng IPA giọng Mỹ (ipa.html). Mobile-first.
   Chỉ dùng token của theme.css (--bg/--surf/--surf2/--border/--text/--dim/
   --accent…) để tự lật theo data-theme. Ngoại lệ CỐ Ý: nền sơ đồ khẩu hình
   luôn trắng (ảnh PNG + nhãn SVG vẽ mực tối cứng — xem shared/pron-diagram.js). */
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-ui-family,'Be Vietnam Pro'),system-ui,sans-serif;min-height:100vh;min-height:100dvh}
.ipa-wrap{max-width:980px;margin:0 auto;padding:16px 16px 48px}
.ipa-font{font-family:'Charis SIL','Doulos SIL','Gentium Plus','Segoe UI','Noto Sans',sans-serif}

.ipa-head-actions{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 14px}
.ipa-wrap a.lg-btn{text-decoration:none}

.ipa-howto{background:var(--surf);border:1px solid var(--border);border-radius:var(--r);padding:12px 16px;margin:0 0 8px}
.ipa-howto h2{margin:0 0 .4em;font-size:1rem;color:var(--text)}
.ipa-howto ol{margin:0;padding-left:1.3em;color:var(--text2)}
.ipa-howto li{margin:.25em 0;line-height:1.5}

.ipa-status{background:var(--surf);border:1px solid var(--border);border-radius:var(--r);padding:14px 16px;margin:16px 0;color:var(--dim)}
.ipa-status p{margin:0 0 10px;color:var(--text)}
.ipa-status--err{border-color:var(--bad-ink)}

.ipa-group{margin-top:22px}
.ipa-group h2{font-size:1.05rem;margin:0 0 10px;display:flex;align-items:center;gap:.5em;color:var(--text)}
.ipa-dot{width:.7em;height:.7em;border-radius:50%;display:inline-block;background:var(--grp-hue)}
.ipa-count{font-size:.78rem;font-weight:600;color:var(--dim)}

.ipa-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:8px}
.ipa-grid--cons{grid-template-columns:repeat(auto-fill,minmax(170px,1fr))}
.ipa-pairbox{display:grid;grid-template-columns:1fr 1fr;gap:6px;background:var(--surf2);border:1px solid var(--border);border-radius:var(--r);padding:6px}
.ipa-pairbox--single{grid-template-columns:1fr}
.ipa-lbl{grid-column:1/-1;font-size:.72rem;color:var(--dim);text-align:center}

.ipa-cell{appearance:none;-webkit-appearance:none;border:1px solid var(--border);background:var(--surf);color:var(--text);
  border-radius:var(--r2);padding:10px 4px;cursor:pointer;text-align:center;min-height:72px;font:inherit;
  transition:border-color .15s,background-color .15s}
.ipa-cell:hover{border-color:var(--grp-hue)}
.ipa-cell:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.ipa-cell[aria-expanded="true"]{border-color:var(--grp-hue);border-width:2px;background:var(--surf2)}
.ipa-sym{display:block;font-size:1.6rem;line-height:1.2;color:var(--grp-hue)}
.ipa-w{display:block;font-size:.78rem;color:var(--dim)}

.ipa-detail{grid-column:1/-1;background:var(--surf);border:2px solid var(--grp-hue);border-radius:var(--r);padding:14px 16px;color:var(--text)}
.ipa-detail:focus{outline:none}
.ipa-detail-head{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}
.ipa-detail h3{margin:0 0 .2em;font-size:1.15rem;display:flex;flex-wrap:wrap;align-items:baseline;gap:.2em .5em}
.ipa-big{font-size:1.9rem;color:var(--grp-hue)}
.ipa-close{appearance:none;border:1px solid var(--border);background:var(--surf2);color:var(--dim);border-radius:50%;
  width:44px;height:44px;font-size:1.3rem;line-height:1;cursor:pointer;flex-shrink:0}
.ipa-close:hover{color:var(--text);border-color:var(--grp-hue)}
.ipa-close:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.ipa-detail dl{margin:.6em 0 0;display:grid;grid-template-columns:1fr;gap:.55em}
.ipa-detail dt{font-size:.74rem;text-transform:uppercase;letter-spacing:.04em;color:var(--dim)}
.ipa-detail dd{margin:0;line-height:1.55;color:var(--text2)}
.ipa-ex,.ipa-pairs{display:flex;flex-wrap:wrap;gap:6px}
.ipa-pair{display:inline-flex;align-items:center;gap:6px;flex-wrap:wrap}
.ipa-neq{color:var(--dim)}
.ipa-chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);border-radius:999px;
  padding:3px 12px 3px 3px;background:var(--surf2);color:var(--text)}
.ipa-chip--quiet{padding-left:12px}
.ipa-chip-ipa{color:var(--dim)}
.ipa-play{appearance:none;border:0;border-radius:50%;width:36px;height:36px;display:inline-flex;align-items:center;
  justify-content:center;background:var(--accent);color:var(--on-accent);cursor:pointer;flex-shrink:0}
.ipa-play:focus-visible{outline:2px solid var(--text);outline-offset:2px}
.ipa-play.is-playing{filter:brightness(1.15)}
.ipa-play.is-failed{opacity:.5}
.ipa-diag{max-width:380px}
.ipa-diag img{background:#fff}
.ipa-detail-foot{margin:14px 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px}
.ipa-foot-note{font-size:.78rem;color:var(--dim)}

.ipa-rev-h{font-size:1.05rem;margin:32px 0 6px;color:var(--text)}
.ipa-sub{color:var(--dim);font-size:.9rem;margin:0 0 10px}
.ipa-rev-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--r);border:1px solid var(--border)}
.ipa-rev{width:100%;border-collapse:collapse;background:var(--surf);min-width:420px}
.ipa-rev td,.ipa-rev th{border-bottom:1px solid var(--border);padding:8px 10px;text-align:left;vertical-align:top;color:var(--text2)}
.ipa-rev th{font-size:.78rem;color:var(--dim);font-weight:600}
.ipa-rev tr:last-child td{border-bottom:0}
.ipa-rev-book{font-size:1.2rem;white-space:nowrap;color:var(--text)}
.ipa-go{color:var(--accent-text);text-decoration:underline;font-size:1.1rem;margin-right:.4em;white-space:nowrap}
.ipa-meta{font-size:.78rem;color:var(--dim);margin-top:18px}

@media (min-width:640px){
  .ipa-wrap{padding:24px 18px 56px}
  .ipa-detail dl{grid-template-columns:160px 1fr}
}
@media (prefers-reduced-motion:reduce){.ipa-cell{transition:none}}