:root {
  --bg: #ffffff; --fill: #f4f4f4; --rule: #e2e4e0; --rule2: #d6d6d6;
  --ink: #2b2d2b; --ink2: #6b6f6b; --ink3: #9a9e9a; --wave: #c9ccc8;
  --green: #8bd04e; --green-d: #3d7a1c; --green-s: #eef8e4; --alert: #b5482a; --rec: #d9663f;
  /* Speaker labels: one colour per speaker (the diarization model tells up to eight apart). */
  --spk0: #2f6fb3; --spk1: #c0612b; --spk2: #7a4fb0; --spk3: #2c8a6a;
  --spk4: #b5486e; --spk5: #8a6d1f; --spk6: #3f7f9e; --spk7: #6b6f6b;
  --sans: "IBM Plex Sans JP", "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); }
/* The page fits the window; the transcript takes the remaining height and scrolls. */
body { height: 100vh; padding: 36px 32px 28px; }
.page { max-width: 1040px; height: 100%; margin: 0 auto; display: flex; flex-direction: column; gap: 22px; }
.page > * { flex: none; }
.page > .transcript { flex: 1 1 auto; min-height: 160px; }

header { display: flex; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.brand { display: block; height: 24px; width: auto; margin-bottom: 20px; }  /* the company logo */
h1 { margin: 4px 0 0; font-size: 28px; font-weight: 700; letter-spacing: .01em; }
/* What the demo is, under the title. */
header > div:first-child { flex: 1 1 520px; }
.intro { max-width: 1120px; margin-top: 8px; font-size: 12.5px; line-height: 1.6; color: var(--ink2); }
.intro p { margin: 0; }
.intro p + p { margin-top: 2px; }
.intro a { color: inherit; }
.intro details { margin: 2px 0; }
.intro summary { cursor: pointer; width: fit-content; color: var(--green-d); font-weight: 600; list-style: none; }
.intro summary::-webkit-details-marker { display: none; }
/* A triangle after 使い方: right when closed, down when open. */
.intro summary::after {
  content: ""; display: inline-block; margin-left: 7px; vertical-align: 1px;
  border-left: 7px solid currentColor; border-top: 4.5px solid transparent; border-bottom: 4.5px solid transparent;
  transition: transform .15s ease;
}
.intro details[open] summary::after { transform: rotate(90deg); }
.intro details ul { margin: 2px 0 0; padding-left: 1.3em; }
.intro details li + li { margin-top: 1px; }
nav { margin-left: auto; display: flex; gap: 4px; }
nav a { font: 500 13px var(--sans); color: var(--ink2); text-decoration: none; padding: 6px 12px; border-radius: 999px; }
nav a[aria-current="page"] { background: var(--ink); color: #fff; }
.model-select { font-family: var(--mono); font-size: 12px; padding: 2px 6px; }
.status { font-family: var(--mono); font-size: 12px; color: var(--ink3); display: flex; align-items: center; gap: 8px; }
.status i { width: 8px; height: 8px; border-radius: 50%; background: var(--rule2); }
.status.live i { background: var(--green); }
.status.error { color: var(--alert); }
.status.error i { background: var(--rec); }

.source { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.label { font-family: var(--mono); font-size: 11px; color: var(--ink3); text-transform: uppercase; letter-spacing: .08em; }
.spacer { flex: 1; }
.chip {
  font: 500 13px var(--sans); color: var(--ink); background: var(--bg); border: 1px solid var(--rule2);
  border-radius: 999px; padding: 7px 14px; cursor: pointer; display: inline-flex; align-items: center; gap: 8px;
}
.chip:hover { border-color: var(--ink3); }
.chip.primary { background: var(--ink); color: #fff; border-color: var(--ink); font-weight: 600; }
.chip.primary:hover, .chip.on, .chip.dashed.on { background: var(--green-d); border-color: var(--green-d); border-style: solid; color: #fff; }
.chip.toggle input { margin: 0; accent-color: var(--green-d); cursor: pointer; }
.chip.toggle:has(input:disabled) { opacity: .6; cursor: default; }
#sample-field select, #format-field select { border: 0; background: transparent; cursor: pointer; }
.chip.dashed { border-style: dashed; color: var(--ink2); }
.chip i { width: 9px; height: 9px; border-radius: 50%; background: var(--rec); }
.chip.on i { border-radius: 2px; background: #fff; }
button:disabled, select:disabled { opacity: .45; cursor: default; }
button:focus-visible, select:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.select {
  font: 500 13px var(--mono); color: var(--ink); background: var(--bg); border: 1px solid var(--rule2);
  border-radius: 999px; padding: 6px 30px 6px 14px; cursor: pointer; appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink2) 50%), linear-gradient(135deg, var(--ink2) 50%, transparent 50%);
  background-position: calc(100% - 15px) 52%, calc(100% - 10px) 52%; background-size: 5px 5px; background-repeat: no-repeat;
}

.stage { border: 1px solid var(--rule); border-radius: 14px; padding: 26px 28px 20px; }
/* The recording being transcribed (long-form), above its numbers. */
.filename { font-size: 13px; font-weight: 600; color: var(--ink2); margin-bottom: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.filename:empty { display: none; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 24px; }
.stat .k { font-size: 12.5px; color: var(--ink2); }
.stat .v { font-family: var(--mono); font-size: 46px; font-weight: 500; line-height: 1.15; margin-top: 4px; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.stat .v small { font-size: 17px; color: var(--ink3); margin-left: 6px; font-weight: 400; letter-spacing: 0; }
/* Compact stats (long-form, real-time): one thin row each, label left and value
   right, in two columns, so the waveform and speaker lanes keep the panel. */
.stats.compact { grid-template-columns: 1fr 1fr; gap: 0 28px; }
.stats.compact .stat { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; padding: 5px 0; border-bottom: 1px solid var(--rule); }
.stats.compact .stat .k { font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stats.compact .stat .v { font-size: 17px; margin-top: 0; line-height: 1.3; white-space: nowrap; }
.stats.compact .stat .v small { font-size: 11px; margin-left: 3px; }
.wave { margin-top: 22px; }
canvas { display: block; width: 100%; height: 104px; }
canvas.seekable { cursor: pointer; }
.axis { position: relative; height: 18px; margin-top: 6px; font-family: var(--mono); font-size: 11px; color: var(--ink3); }
.axis span { position: absolute; transform: translateX(-50%); white-space: nowrap; }
.axis span.first { transform: none; }
.axis span.last { transform: translateX(-100%); }
.caption { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 12px; margin-top: 10px; min-height: 34px; }
.headline { font-size: 15px; font-weight: 600; color: var(--green-d); }
.caption .headline:not(:empty) { flex-basis: 100%; }
.phase { font-family: var(--mono); font-size: 12px; color: var(--ink3); margin-left: auto; white-space: nowrap; }

.transcript { position: relative; border: 1px solid var(--rule); border-radius: 14px; overflow-y: auto; }
.transcript .hint { padding: 22px 26px; color: var(--ink3); font-size: 14px; }
.row { display: grid; grid-template-columns: 70px 1fr; gap: 14px; padding: 10px 24px; border-bottom: 1px solid var(--rule); transition: background .9s ease; }
.row:last-child { border-bottom: 0; }
.row.fresh { background: var(--green-s); transition: none; }
.row time { font-family: var(--mono); font-size: 12px; color: var(--ink3); padding-top: 4px; }
.row div { font-size: 15px; line-height: 1.8; }

/* Long-form: player and clickable rows. */
.play { width: 34px; height: 34px; border-radius: 50%; border: 0; background: var(--ink); cursor: pointer; display: grid; place-items: center; flex: none; }
.play:disabled { background: var(--rule2); }
.play i { width: 0; height: 0; border-left: 11px solid #fff; border-top: 7px solid transparent; border-bottom: 7px solid transparent; margin-left: 3px; }
.play.on i { width: 10px; height: 12px; border: 0; margin: 0; background: linear-gradient(90deg, #fff 0 35%, transparent 35% 65%, #fff 65%); }
.ptime { font-family: var(--mono); font-size: 12.5px; color: var(--ink2); white-space: nowrap; font-variant-numeric: tabular-nums; }
.transcript.seekable .row { cursor: pointer; }
.transcript.seekable .row:hover { background: var(--fill); }
.row.playing { background: var(--green-s); }
.row.playing time { color: var(--green-d); font-weight: 600; }

/* Real-time: state, legend and the phrase still being read. */
.state { font-size: 15px; font-weight: 600; color: var(--green-d); display: flex; align-items: center; gap: 8px; }
.state i { width: 8px; height: 8px; border-radius: 50%; background: var(--rule2); }
.state.on i { background: var(--rec); animation: blink 1.2s steps(1) infinite; }
.state.off { color: var(--ink3); font-weight: 500; }
[hidden] { display: none !important; } /* .chip and friends set display */
.legend { margin-left: auto; display: flex; gap: 16px; font-size: 12.5px; color: var(--ink2); }
.legend b { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; vertical-align: -1px; }
.legend .settled { background: var(--ink); }
.legend .pending { background: var(--green); }
.row.pending div { color: var(--green-d); opacity: .7; }
.row.pending time { color: var(--green-d); }
/* A blinking cursor after the pending text. */
.row.pending div::after {
  content: ""; display: inline-block; width: 2px; height: 1.05em; margin-left: 3px; vertical-align: -0.15em;
  background: var(--green); animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* Custom vocabulary: the chip, its panel and the words marked in the transcript. */
.chip.set { border-color: var(--green-d); color: var(--green-d); }
.source > .vocab-panel { flex: 1 0 100%; }
.vocab-panel { display: flex; flex-direction: column; gap: 10px; border: 1px solid var(--rule); border-radius: 14px; padding: 16px 18px; }
.vocab-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; font-size: 13px; color: var(--ink2); }
.vocab-head b { font-size: 14px; color: var(--ink); }
.vocab-head .vocab-on { margin-left: auto; padding: 4px 12px; }
.vocab-panel.off .vocab-list { opacity: .5; }
.vocab-how { margin: 0; font-size: 12.5px; line-height: 1.7; color: var(--ink3); }
.vocab-add { display: flex; gap: 8px; flex-wrap: wrap; }
.vocab-add input { flex: 1 1 200px; font: 14px var(--sans); color: var(--ink); border: 1px solid var(--rule2); border-radius: 999px; padding: 7px 14px; background: var(--bg); }
.vocab-add input:focus-visible { outline: 2px solid var(--green); outline-offset: 1px; }
.vocab-add input:disabled { background: var(--fill); }
.vocab-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; min-height: 30px; align-items: center; }
.vocab-list:empty::before { content: attr(data-empty); font-size: 13px; color: var(--ink3); }
.vocab-list li { display: inline-flex; align-items: center; gap: 6px; background: var(--green-s); color: var(--green-d); border-radius: 999px; padding: 4px 6px 4px 12px; font-size: 13.5px; font-weight: 600; }
.vocab-list li small { margin-left: 6px; font-weight: 500; color: var(--ink2); }
.vocab-list li .vocab-word { cursor: pointer; border-radius: 4px; }
.vocab-list li .vocab-word:hover { text-decoration: underline; text-underline-offset: 3px; }
.vocab-list li .vocab-word:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.vocab-list li.editing { background: var(--bg); box-shadow: inset 0 0 0 2px var(--green-d); }
.vocab-list li button { border: 0; background: transparent; color: var(--green-d); font-size: 16px; line-height: 1; width: 22px; height: 22px; border-radius: 50%; cursor: pointer; }
.vocab-list li button:hover { background: rgba(61, 122, 28, .14); }
.vocab-foot { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 12.5px; }
.vocab-note { color: var(--alert); }
.vocab-note.info { color: var(--ink3); }
.vocab-clear { border: 0; background: transparent; font: 500 12.5px var(--sans); color: var(--ink2); text-decoration: underline; cursor: pointer; }
mark.vocab { background: var(--green-s); color: var(--green-d); font-weight: 600; border-radius: 4px; padding: 0 2px; }

/* Speaker labels: each line's speaker, and the lanes. */
.row p.line { margin: 0; }
.row p.line + p.line { margin-top: 4px; }
.spk { display: inline-block; font: 600 11.5px var(--sans); color: #fff; background: var(--ink3); border-radius: 4px; padding: 1px 6px; margin-right: 8px; vertical-align: 2px; white-space: nowrap; }
.spk.s0 { background: var(--spk0); } .spk.s1 { background: var(--spk1); }
.spk.s2 { background: var(--spk2); } .spk.s3 { background: var(--spk3); }
.spk.s4 { background: var(--spk4); } .spk.s5 { background: var(--spk5); }
.spk.s6 { background: var(--spk6); } .spk.s7 { background: var(--spk7); }
/* Speaker detection in progress: a settled phrase's tag, and the long-form phase. */
.spk.waiting { background: var(--green-s); color: var(--green-d); border: 1px solid var(--green); animation: pulse 1.4s ease-in-out infinite; }
.phase.busy { color: var(--green-d); background: var(--green-s); font: 600 13px var(--sans); padding: 5px 12px; border-radius: 999px; display: inline-flex; align-items: center; gap: 7px; }
.phase.busy::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--green); animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .35; } }
canvas.lanes { height: 34px; margin-top: 6px; }


/* Wide windows: numbers and waveform on the left, transcript on the right. */
@media (min-width: 900px) {
  .page {
    max-width: 1440px; display: grid; gap: 22px 28px;
    grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
    grid-template-rows: auto auto minmax(0, 1fr);
  }
  .page > header, .page > .source { grid-column: 1 / -1; }
  /* It scrolls within its row when the toolbar's rows (the vocabulary panel) take room. */
  .page > .stage { grid-column: 1; grid-row: 3; align-self: start; max-height: 100%; overflow-y: auto; }
  .page > .transcript { grid-column: 2; grid-row: 3; min-height: 0; height: 100%; }
  .stats { grid-template-columns: 1fr; gap: 14px; }
  .stat .v { font-size: 42px; }
  .row div { font-size: 17px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }