/* /hearing-test/ page styles. Built from /assets/polyatic.css tokens. The two ear colours are the audiogram
   convention (red right, blue left; ASHA, see reference.json), not site colours: right uses the site's --bad red,
   left a blue tuned for each theme. */
:root{--ear-right:var(--bad);--ear-left:#2563c9}
@media (prefers-color-scheme:dark){:root{--ear-left:#6ea2ff}}
:root[data-theme="light"]{--ear-left:#2563c9}
:root[data-theme="dark"]{--ear-left:#6ea2ff}

.nojs{margin:1.25rem 0 0;padding:0.875rem 1rem;border:1px solid var(--line);border-left:0.25rem solid var(--accent);border-radius:0.625rem;background:var(--surface);color:var(--ink);font-size:0.9375rem;line-height:1.6}
.ht-head .sub{margin-bottom:1rem}
@media(max-width:520px){.ht-head h1{margin-bottom:0.25rem}.ht-head .sub{font-size:0.9375rem;margin-bottom:0.75rem}}

.ht-stage,.ht-card{padding:1rem;display:grid;gap:0.875rem;align-content:start}
@media(max-width:520px){.ht-stage,.ht-card{padding:0.75rem;gap:0.75rem}}
.ht-stage .modes{margin-bottom:0}
.ht-stage .k,.ht-card .k{font-family:var(--mono);font-size:0.6875rem;font-weight:500;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.ht-h{margin:0;font-size:1.0625rem;font-weight:650;letter-spacing:-.01em}
.ht-panel{display:grid;gap:0.75rem}
.ht-panel[hidden],.ht-res[hidden],.ht-cal[hidden],.ht-ask[hidden]{display:none}

.ht-cal{display:grid;gap:0.5rem}
.ht-caution{margin:0;padding:0.5rem 0.75rem;border-left:0.1875rem solid var(--warn);background:var(--surface-2);border-radius:0.375rem;font-size:0.8125rem;line-height:1.5;color:var(--ink-2)}
.ht-calrow{display:flex;flex-wrap:wrap;gap:0.5rem;align-items:center}
.ht-calrow .btn{flex:1 1 12rem}
#calplay[aria-pressed=true]{background:var(--ink);color:var(--bg)}

.ht-opt{display:grid;gap:0.375rem}
.ht-opt .chips{display:flex;flex-wrap:wrap;gap:0.375rem}
.ht-stage .chip:focus-visible,.ht-card .chip:focus-visible,.modes button:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

.ht-ask{display:grid;gap:0.75rem;padding:0.75rem;border:1px solid var(--line);border-radius:0.625rem;background:var(--surface-2);box-shadow:inset 0.1875rem 0 0 var(--signal)}
.ht-now{margin:0;display:flex;flex-wrap:wrap;align-items:baseline;gap:0.25rem 0.75rem}
.ht-freq{font-family:var(--mono);font-size:1.75rem;font-weight:600;font-variant-numeric:tabular-nums}
.ht-prog{font-family:var(--mono);font-size:0.8125rem;color:var(--muted)}
.ht-answer{display:flex;flex-wrap:wrap;gap:0.5rem;align-items:center}
.ht-answer .btn{flex:1 1 8rem}
.ht-level{margin:0}
.ht-levelrow{display:flex;gap:0.5rem;align-items:center}
.ht-levelrow input{flex:1;min-width:0}
.ht-levelrow .chip{font-family:var(--mono);min-width:2.75rem}

.ht-help{margin:0;font-size:0.8125rem;line-height:1.5;color:var(--muted)}
.ht-status{margin:0;font-size:0.875rem;line-height:1.5;color:var(--ink-2)}
.ht-status:empty{display:none}
.ht-note{margin:0;font-size:0.8125rem;line-height:1.5;color:var(--ink-2)}

.ht-hi{margin:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0.5rem}
.ht-hi div{background:var(--surface-2);border:1px solid var(--line);border-radius:0.5rem;padding:0.5rem 0.625rem}
.ht-hi dt{font-family:var(--mono);font-size:0.6875rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.ht-hi dd{margin:0.125rem 0 0;font-family:var(--mono);font-size:1rem;font-weight:600;font-variant-numeric:tabular-nums}
.ht-res{display:grid;gap:0.75rem}
.ht-chart svg{display:block;width:100%;height:auto;max-height:70vh}
.ht-diffs,.ht-grades{margin:0;padding-left:1.125rem;font-size:0.875rem;line-height:1.5}
.ht-diffs:empty,.ht-grades:empty{display:none}
.ht-diffs li::marker{color:var(--warn)}

.ht-lab{display:grid;gap:0.25rem}
.ht-tablewrap{overflow-x:auto}
.ht-table{border-collapse:collapse;width:100%;font-size:0.8125rem}
.ht-table th,.ht-table td{padding:0.1875rem 0.25rem;text-align:center}
.ht-table thead th{font-weight:600;color:var(--ink-2);white-space:nowrap}
.ht-table tbody th{font-family:var(--mono);font-weight:500;color:var(--muted)}
.ht-table input{width:100%;min-width:3rem;padding:0.375rem 0.25rem;text-align:center;font-family:var(--mono)}
.ht-table input[aria-invalid=true]{border-color:var(--bad)}
.ht-table.nobone .bc{display:none}
.ht-r{color:var(--ear-right);font-weight:700}
.ht-l{color:var(--ear-left);font-weight:700}
.ht-check{display:flex;gap:0.5rem;align-items:center;font-size:0.875rem}

.ht-bands{border-collapse:collapse;width:100%;font-size:0.875rem;margin:0.75rem 0 1rem}
.ht-bands caption{text-align:left;font-size:0.8125rem;color:var(--muted);padding-bottom:0.375rem}
.ht-bands th,.ht-bands td{border-bottom:1px solid var(--line);padding:0.375rem 0.5rem;text-align:left;vertical-align:top}
.ht-bands td:nth-child(2){font-family:var(--mono);white-space:nowrap}
.ht-src{font-size:0.8125rem;color:var(--muted)}