:root {
  --bg: #ffffff;
  --fg: #14211e;
  --muted: #4b5b57;
  --brand: #0b5c4d;
  --brand-fg: #ffffff;
  --accent: #c2410c;
  --line: #c9d4d1;
  --panel: #f1f6f5;
  --err-bg: #fde8e8;
  --err-fg: #7a1010;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101816;
    --fg: #eef4f2;
    --muted: #aebdb9;
    --brand: #36b49a;
    --brand-fg: #06201a;
    --accent: #fb923c;
    --line: #34443f;
    --panel: #18231f;
    --err-bg: #3a1717;
    --err-fg: #ffd6d6;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { font-size: 20px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Arabic", "Noto Sans Gurmukhi", sans-serif;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}
.banner { background: var(--accent); color: #fff; text-align: center; padding: .4rem; font-weight: 700; font-size: .8rem; }
.top { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: .6rem 1rem; border-bottom: 1px solid var(--line); }
.top h1 { grid-column: 2; margin: 0; font-size: 1.1rem; color: var(--brand); letter-spacing: .04em; }
.back { grid-column: 1; justify-self: start; display: inline-flex; align-items: center; gap: .2rem; text-decoration: none; font-weight: 700; padding-inline: .2rem .6rem; }
:root[dir="rtl"] .back svg { transform: scaleX(-1); }
main { max-width: 34rem; margin: 0 auto; padding: 1rem; }
h2 { font-size: 1.25rem; margin: 1rem 0 .5rem; }
button { font: inherit; cursor: pointer; border-radius: .9rem; border: 2px solid transparent; min-height: 3.4rem; padding: .6rem 1.2rem; }
#edit-hint { color: var(--muted); font-size: .9rem; margin: 0 0 .6rem; }
button:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.primary { background: var(--brand); color: var(--brand-fg); width: 100%; font-weight: 700; margin-top: 1rem; }
.secondary { background: transparent; color: var(--brand); border-color: var(--brand); width: 100%; font-weight: 700; margin-top: .5rem; }
.link { background: none; color: var(--brand); text-decoration: underline; min-height: 2.6rem; padding: .3rem .6rem; }
.link.block { display: block; margin: 1rem auto 0; }
button:disabled { opacity: .5; cursor: default; }

.lang-list { display: grid; gap: .8rem; margin-top: 1rem; }
.lang-list button { background: var(--panel); color: var(--fg); border-color: var(--line); font-size: 1.4rem; font-weight: 700; min-height: 4.2rem; }

.pick-title { margin-top: .6rem; text-align: center; }
.pick-title span { display: block; }
.menu-list { display: grid; gap: .8rem; margin-top: 1rem; }
.opt { display: flex; align-items: center; gap: .9rem; text-align: start; background: var(--panel); color: var(--fg); border-color: var(--line); min-height: 4.6rem; font-size: 1.2rem; font-weight: 700; }
.opt:not(:disabled) { border-color: var(--brand); }
.num { flex: none; width: 2.2rem; height: 2.2rem; border-radius: 50%; background: var(--brand); color: var(--brand-fg); display: grid; place-items: center; font-size: 1.1rem; }
.opt-body { flex: 1; display: flex; flex-direction: column; }
.soon { font-size: .75rem; font-weight: 600; color: var(--muted); }

.intro { font-size: 1.1rem; text-align: center; margin: 1rem 0 0; }
.mic-wrap { display: flex; flex-direction: column; align-items: center; margin: 1.2rem 0; }
.mic { width: 11rem; height: 11rem; border-radius: 50%; background: var(--brand); color: var(--brand-fg); display: grid; place-items: center; padding: 0; position: relative; box-shadow: 0 .3rem 1rem rgba(0,0,0,.25); transition: width .2s, height .2s; }
.mic svg { width: 45%; height: 45%; grid-area: 1 / 1; }
.mic .ico-spk, .mic[data-phase="speaking"] .ico-mic { display: none; }
.mic[data-phase="speaking"] .ico-spk { display: block; }
.mic[data-phase="listening"] { background: var(--accent); }
.mic[data-phase="listening"]::after { content: ""; position: absolute; inset: 0; border-radius: 50%; border: .35rem solid rgba(194,65,12,.55); pointer-events: none; will-change: transform, opacity; animation: pulse 1.2s ease-out infinite; }
.mic[data-phase="speaking"] { opacity: .75; }
.mic[data-phase="working"] { animation: breathe 1.4s ease-in-out infinite; }
.mic.compact { width: 6.5rem; height: 6.5rem; }
@keyframes pulse { 0% { transform: scale(1); opacity: .9; } 100% { transform: scale(1.3); opacity: 0; } }
@keyframes breathe { 50% { opacity: .45; } }
@media (prefers-reduced-motion: reduce) { .mic[data-phase], .mic[data-phase]::after { animation: none; } }
.mic-label { margin-top: .6rem; font-size: 1.1rem; font-weight: 700; text-align: center; min-height: 1.6rem; }
.mic-sub { color: var(--muted); font-size: .85rem; min-height: 1.2rem; }
.label { display: block; font-weight: 700; font-size: 1.1rem; }
.hint { margin: .2rem 0 .5rem; color: var(--muted); font-size: .85rem; }

.chat { list-style: none; margin: 1rem 0 0; padding: 0; }
.chat li { margin: 0 0 1rem; scroll-margin-bottom: 16rem; }
.chat .q { display: flex; gap: .6rem; align-items: flex-start; font-weight: 700; }
.chat .qn { flex: none; min-width: 1.9rem; height: 1.9rem; padding: 0 .3rem; border-radius: 1rem; background: var(--brand); color: var(--brand-fg); display: grid; place-items: center; font-size: .85rem; }
.chat .note { color: var(--muted); font-style: italic; margin: 0 0 1rem; }
.chat textarea { margin-top: .4rem; background: var(--panel); min-height: 2.6rem; resize: vertical; }
.panel { position: sticky; bottom: 0; background: var(--bg); border-top: 1px solid var(--line); padding: .5rem 0 .8rem; margin-top: 1rem; }
.panel .hint { text-align: center; margin-bottom: .4rem; min-height: 1.3rem; }
.panel .mic-wrap { margin: .3rem 0; }
.controls { display: flex; gap: .5rem; flex-wrap: wrap; justify-content: center; }
.controls .secondary { width: auto; flex: 1 1 auto; margin-top: .3rem; min-height: 2.8rem; padding-inline: .8rem; }
.choices { display: flex; gap: .5rem; flex-wrap: wrap; margin: .4rem 0; }
.choices button { flex: 1 1 8rem; background: var(--panel); color: var(--fg); border-color: var(--brand); font-weight: 700; min-height: 3rem; }
.type-box { margin: .4rem 0; }
.type-box .primary { margin-top: .4rem; min-height: 3rem; }
.test-box { display: block; margin-top: .6rem; font-size: .75rem; color: var(--muted); border: 1px dashed var(--line); border-radius: .6rem; padding: .4rem .6rem; }
.test-box input[type=checkbox] { width: auto; margin-right: .4rem; }
.test-auto { display: block; margin-bottom: .4rem; color: var(--fg); }
.test-box select { display: block; margin-top: .2rem; width: 100%; font-size: .9rem; }
textarea { width: 100%; font: inherit; padding: .7rem; border: 2px solid var(--line); border-radius: .8rem; background: var(--bg); color: var(--fg); }

.lines { padding-inline-start: 1.2rem; }
.lines li { margin: .5rem 0; }
.lines.q li { font-weight: 600; }
.preview { margin-top: 1rem; border: 1px solid var(--line); border-radius: .8rem; padding: .6rem .8rem; background: var(--panel); }
.preview summary { cursor: pointer; font-weight: 700; min-height: 2.4rem; display: flex; align-items: center; }
#preview { font-size: .85rem; }
#preview h3 { margin: .8rem 0 .2rem; font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; }
#preview p { margin: .1rem 0; }
#preview ul { margin: .2rem 0; padding-inline-start: 1.1rem; }
.error { margin-top: 1rem; background: var(--err-bg); color: var(--err-fg); padding: .8rem 1rem; border-radius: .8rem; font-weight: 600; }