:root {
  --blue: #1f62b3; --accent: #2a78d6; --ink: #0b0b0b; --second: #63625d; --page: #f6f6f4; --card: #fcfcfb; --line: #e1e0d9;
  --field: #ffffff; --ok: #1a7f4b;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Devanagari", sans-serif;
  --ipa: "Charis SIL", "Doulos SIL", "Gentium Plus", "Noto Sans", "DejaVu Sans", "Segoe UI", "Lucida Sans Unicode", system-ui, sans-serif;
  --mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, "DejaVu Sans Mono", monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --blue: #256abf; --accent: #3987e5; --ink: #f0efec; --second: #a3a29a; --page: #0d0d0d; --card: #1a1a19; --line: #2c2c2a; --field: #121211; --ok: #5ac58d; }
}
:root[data-theme="dark"] { --blue: #256abf; --accent: #3987e5; --ink: #f0efec; --second: #a3a29a; --page: #0d0d0d; --card: #1a1a19; --line: #2c2c2a; --field: #121211; --ok: #5ac58d; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--page); color: var(--ink); font: 16px/1.5 var(--sans); border-top: 4px solid var(--accent); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.top { max-width: 980px; margin: 0 auto; padding: 18px 20px 6px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 600; font-size: 22px; letter-spacing: -0.02em; }
.brand:hover { text-decoration: none; }
.brand img { border-radius: 8px; display: block; }
.brand .dot, .brand .deva { color: var(--second); }
.brand .deva { font-size: 19px; letter-spacing: 0; }
nav { display: flex; align-items: center; gap: 16px; font-size: 14px; }
nav a { color: var(--second); }
#theme { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; border: 1px solid var(--line); background: var(--card); color: var(--ink); cursor: pointer; }
main { max-width: 980px; margin: 0 auto; padding: 8px 20px 40px; }
.intro h1 { font-size: clamp(28px, 5vw, 42px); line-height: 1.12; letter-spacing: -0.025em; margin: 26px 0 10px; font-weight: 650; }
.intro p { color: var(--second); max-width: 680px; margin: 0 0 10px; font-size: 17px; }
.intro .proof { font-size: 14px; margin-bottom: 6px; }
.intro .note-local { font-size: 14px; margin-bottom: 24px; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.controls { display: flex; flex-wrap: wrap; gap: 12px 14px; align-items: flex-end; margin-bottom: 14px; }
.field { display: grid; gap: 4px; font-size: 12px; color: var(--second); min-width: 150px; flex: 1 1 150px; }
.field span, .seg legend { font-weight: 500; letter-spacing: 0.01em; }
select, textarea, button { font: inherit; color: var(--ink); }
select { height: 40px; border-radius: 10px; border: 1px solid var(--line); background: var(--field); padding: 0 10px; font-size: 15px; width: 100%; }
.seg { border: 0; padding: 0; margin: 0; font-size: 12px; color: var(--second); flex: 1 1 210px; min-width: 210px; }
.seg legend { padding: 0; margin-bottom: 4px; }
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.seg legend { grid-column: 1 / -1; float: left; width: 100%; }
.seg label { position: relative; }
.seg input { position: absolute; opacity: 0; inset: 0; }
.seg label span { display: grid; place-items: center; height: 40px; border: 1px solid var(--line); background: var(--field); color: var(--ink); font-size: 15px; cursor: pointer; }
.seg label:first-of-type span { border-radius: 10px 0 0 10px; }
.seg label:last-of-type span { border-radius: 0 10px 10px 0; border-left: 0; }
.seg input:checked + span { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 600; }
.seg input:focus-visible + span, select:focus-visible, textarea:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.check { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--second); height: 40px; }
.check[hidden] { display: none; }
textarea { width: 100%; border-radius: 12px; border: 1px solid var(--line); background: var(--field); padding: 12px 14px; font-size: 18px; line-height: 1.45; resize: vertical; min-height: 104px; display: block; }
.examples { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 18px; }
.examples button { border: 1px solid var(--line); background: transparent; color: var(--second); border-radius: 999px; padding: 5px 12px; font-size: 13px; cursor: pointer; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.examples button:hover { color: var(--ink); border-color: var(--accent); }
.out-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.out-head h2 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--second); margin: 0; font-weight: 600; }
.meta { display: flex; align-items: center; gap: 8px; }
.pill { font: 500 12.5px/1 var(--mono); color: var(--ok); border: 1px solid var(--line); border-radius: 999px; padding: 6px 10px; white-space: nowrap; }
#copy { border: 1px solid var(--line); background: var(--field); border-radius: 9px; padding: 5px 12px; font-size: 13px; cursor: pointer; }
.out { display: block; min-height: 92px; border-radius: 12px; background: var(--field); border: 1px solid var(--line); border-left: 4px solid var(--accent); padding: 14px 16px; font: 22px/1.55 var(--ipa); word-break: break-word; white-space: pre-wrap; }
.out.small { font: 14px/1.6 var(--mono); }
.out .sent { display: block; }
.out .sent + .sent { margin-top: 6px; padding-top: 6px; border-top: 1px dashed var(--line); }
.ids { margin-top: 10px; font-size: 13px; color: var(--second); }
.ids code { display: block; margin-top: 6px; font: 12.5px/1.6 var(--mono); color: var(--ink); word-break: break-word; }
.note { color: var(--second); font-size: 13.5px; margin: 12px 0 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; margin: 22px 0 8px; }
.cards article { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.cards h3 { margin: 0 0 6px; font-size: 16px; }
.cards p { margin: 0; color: var(--second); font-size: 14.5px; }
.use h2 { font-size: 20px; margin: 26px 0 10px; letter-spacing: -0.01em; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.tabs button { border: 1px solid var(--line); background: transparent; border-radius: 9px; padding: 6px 12px; font-size: 14px; cursor: pointer; color: var(--second); }
.tabs button[aria-selected="true"] { background: var(--card); color: var(--ink); border-color: var(--accent); }
pre { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; overflow-x: auto; font: 13.5px/1.6 var(--mono); }
footer { max-width: 980px; margin: 0 auto; padding: 18px 20px 34px; color: var(--second); font-size: 13px; display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: space-between; border-top: 1px solid var(--line); }
@media (max-width: 560px) {
  .top { padding: 14px 14px 4px; } main { padding: 4px 14px 30px; } .panel { padding: 14px; border-radius: 14px; }
  nav a { display: none; } .out { font-size: 19px; } textarea { font-size: 17px; } .brand { font-size: 20px; }
}