:root {
  --paper:      #FBFAF7;
  --paper-2:    #F3F1EA;
  --ink:        #1A1D24;
  --ink-soft:   #3B4149;
  --slate:      #6A7280;
  --line:       #E2DED3;
  --teal:       #0F5C5A;   /* action */
  --teal-deep:  #0A4442;
  --oxblood:    #9B2C2C;   /* margin rule / legal red */
  --amber:      #B4690E;   /* low confidence */
  --shadow:     0 1px 2px rgba(26,29,36,.06), 0 8px 30px rgba(26,29,36,.08);
  --radius: 12px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 80% -10%, #fff 0%, transparent 60%),
    var(--paper);
  color: var(--ink);
  font-family: "Inter", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ---------- top bar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px clamp(16px, 4vw, 40px);
  border-bottom: 1px solid var(--line);
  background: rgba(251,250,247,.85);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand__mark {
  font-family: "Fraunces", serif; font-size: 30px; line-height: 1;
  color: var(--teal); width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1.5px solid var(--teal); border-radius: 10px;
  background: #fff;
}
.brand__text { display: flex; flex-direction: column; }
.brand__name { font-family: "Fraunces", serif; font-weight: 600; font-size: 21px; letter-spacing: .2px; }
.brand__tag { font-size: 11px; text-transform: uppercase; letter-spacing: .18em; color: var(--slate); }
.topbar__meta { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-soft); }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--slate); box-shadow: 0 0 0 4px rgba(106,114,128,.12); }
.dot[data-state="working"] { background: var(--amber); box-shadow: 0 0 0 4px rgba(180,105,14,.15); animation: pulse 1.1s infinite; }
.dot[data-state="done"] { background: var(--teal); box-shadow: 0 0 0 4px rgba(15,92,90,.15); }
.dot[data-state="error"] { background: var(--oxblood); box-shadow: 0 0 0 4px rgba(155,44,44,.15); }
@keyframes pulse { 50% { opacity: .35; } }

/* ---------- stage ---------- */
.stage {
  max-width: 980px; margin: 0 auto;
  padding: clamp(20px, 4vw, 44px) clamp(16px, 4vw, 40px) 80px;
}

/* ---------- intake ---------- */
.intake {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
.drop {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: clamp(30px, 6vw, 56px); text-align: center; cursor: pointer;
  border-bottom: 1px dashed var(--line);
  background:
    repeating-linear-gradient(90deg, transparent 0 22px, rgba(226,222,211,.35) 22px 23px);
  transition: background .15s ease;
}
.drop:hover, .drop:focus-visible { background: var(--paper-2); outline: none; }
.drop.is-drag { background: #EAF3F2; border-color: var(--teal); }
.drop__icon { color: var(--teal); }
.drop__title { font-size: 17px; font-weight: 500; }
.drop__title u { text-decoration-color: var(--teal); text-underline-offset: 3px; }
.drop__hint { font-size: 12.5px; color: var(--slate); }
.drop__file {
  margin-top: 6px; font-family: "IBM Plex Mono", monospace; font-size: 13px;
  color: var(--teal-deep); background: #EAF3F2; padding: 5px 12px; border-radius: 20px;
}

.controls {
  display: flex; flex-wrap: wrap; align-items: flex-end; gap: 18px;
  padding: 18px clamp(18px, 4vw, 28px);
}
/* segmented control */
.seg {
  position: relative; border: 0; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 7px 0;
}
.seg legend { flex: 0 0 100%; }
.seg legend, .field > span {
  font-size: 11px; text-transform: uppercase; letter-spacing: .14em; color: var(--slate); padding: 0;
}
.seg__opt input { position: absolute; opacity: 0; pointer-events: none; }
.seg__opt {
  border: 1px solid var(--line); background: #fff; cursor: pointer;
  padding: 9px 14px; font-size: 14px; display: inline-flex; align-items: center; gap: 6px;
}
.seg__opt:first-of-type { border-radius: 9px 0 0 9px; }
.seg__opt:last-of-type { border-radius: 0 9px 9px 0; border-left: 0; }
.seg__opt em { font-style: normal; font-size: 11px; color: var(--slate); text-transform: uppercase; letter-spacing: .08em; }
.seg__opt:has(input:checked) {
  background: var(--teal); border-color: var(--teal); color: #fff;
}
.seg__opt:has(input:checked) em { color: rgba(255,255,255,.75); }
.seg__opt:has(input:focus-visible) { outline: 2px solid var(--teal); outline-offset: 2px; }

.field { display: flex; flex-direction: column; gap: 7px; }
.field select {
  appearance: none; font: inherit; padding: 9px 34px 9px 12px; border: 1px solid var(--line);
  border-radius: 9px; background: #fff
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%236A7280' stroke-width='1.6'%3E%3Cpath d='m2 4 4 4 4-4'/%3E%3C/svg%3E")
    no-repeat right 12px center;
  cursor: pointer; color: var(--ink);
}
.field select:focus-visible { outline: 2px solid var(--teal); outline-offset: 1px; }

.controls .btn--primary { margin-left: auto; }

/* ---------- buttons ---------- */
.btn {
  font: inherit; font-weight: 500; border-radius: 9px; cursor: pointer;
  padding: 10px 18px; border: 1px solid transparent; transition: transform .06s ease, background .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--teal); color: #fff; box-shadow: 0 1px 0 var(--teal-deep); }
.btn--primary:hover { background: var(--teal-deep); }
.btn--primary:disabled { background: var(--slate); cursor: not-allowed; box-shadow: none; }
.btn--ghost { background: #fff; border-color: var(--line); color: var(--ink-soft); padding: 8px 14px; }
.btn--ghost:hover { background: var(--paper-2); border-color: #d6d1c4; }
.btn:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }

/* ---------- error banner ---------- */
.banner {
  margin-top: 18px; padding: 14px 16px; border-radius: 10px;
  border: 1px solid #E6C4C4; background: #FBF0EF; color: #7A2020;
  border-left: 4px solid var(--oxblood); font-size: 14px;
}
.banner strong { display: block; margin-bottom: 2px; }
.banner code { font-family: "IBM Plex Mono", monospace; font-size: 12.5px; background: rgba(155,44,44,.08); padding: 1px 5px; border-radius: 4px; }

/* ---------- result ---------- */
.result { margin-top: 22px; display: flex; flex-direction: column; gap: 18px; }
.result__bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 16px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; box-shadow: var(--shadow);
}
#player { height: 40px; flex: 1 1 280px; min-width: 240px; }
.facts { display: flex; flex-wrap: wrap; gap: 20px; margin: 0; }
.facts div { display: flex; flex-direction: column; }
.facts dt { font-size: 10.5px; text-transform: uppercase; letter-spacing: .13em; color: var(--slate); }
.facts dd { margin: 0; font-family: "IBM Plex Mono", monospace; font-size: 14px; font-weight: 500; }
.facts dd.warn { color: var(--amber); }

/* ---------- the record page (signature) ---------- */
.record {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
.record__head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 16px 20px; border-bottom: 1px solid var(--line); flex-wrap: wrap;
}
.record__head h2 { font-family: "Fraunces", serif; font-weight: 500; font-size: 19px; margin: 0; }
.record__actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* view tabs */
.viewtabs { display: inline-flex; background: var(--paper-2); border-radius: 9px; padding: 3px; }
.viewtab {
  font: inherit; font-size: 14px; font-weight: 500; border: 0; background: transparent;
  color: var(--slate); padding: 6px 16px; border-radius: 7px; cursor: pointer;
}
.viewtab.is-active { background: #fff; color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,.08); }
.viewtab:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }

/* correction toolbar */
.toolbar {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  padding: 14px clamp(18px, 4vw, 24px); border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.toolbar__label {
  font-size: 11px; text-transform: uppercase; letter-spacing: .13em; color: var(--slate);
  margin-right: 4px;
}
.toolbar__fns { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  font: inherit; font-size: 13.5px; font-weight: 500; cursor: pointer;
  border: 1px solid #CFE0DF; background: #EAF3F2; color: var(--teal-deep);
  padding: 7px 13px; border-radius: 8px; display: inline-flex; align-items: center; gap: 7px;
  transition: background .12s ease, transform .06s ease;
}
.chip:hover { background: #dcecea; }
.chip:active { transform: translateY(1px); }
.chip:disabled { opacity: .5; cursor: not-allowed; }
.chip__spin {
  width: 12px; height: 12px; border: 2px solid currentColor; border-top-color: transparent;
  border-radius: 50%; animation: spin .7s linear infinite; display: none;
}
.chip.is-busy .chip__spin { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
.toolbar__note { font-size: 13px; color: var(--slate); }
.toolbar__note code { font-family: "IBM Plex Mono", monospace; font-size: 12px; background: var(--paper-2); padding: 1px 5px; border-radius: 4px; }
.toolbar__status { font-size: 13px; color: var(--teal-deep); margin-left: auto; }
.toolbar__status.err { color: var(--oxblood); }
#revertBtn { margin-left: 4px; }

/* editor: a word-processor page on a tinted canvas */
.editor__canvas {
  background: #E7E4DC;
  padding: clamp(16px, 3vw, 30px) clamp(12px, 3vw, 24px);
  height: clamp(360px, 60vh, 720px);
  overflow-y: auto;
}
.doc {
  display: block; width: 100%; max-width: 760px; margin: 0 auto;
  min-height: 460px; box-sizing: border-box;
  border: 1px solid #d9d5ca; border-radius: 2px; background: #fff;
  box-shadow: 0 6px 26px rgba(26, 29, 36, .13);
  padding: clamp(38px, 6vw, 60px) clamp(26px, 6vw, 66px);
  font-family: Georgia, "Times New Roman", "Fraunces", serif;
  font-size: 16.5px; line-height: 1.75; color: var(--ink);
  resize: none; overflow: hidden;
}
.doc:focus {
  outline: none;
  box-shadow: 0 6px 26px rgba(15, 92, 90, .16), 0 0 0 2px rgba(15, 92, 90, .3);
}

.page {
  padding: 28px clamp(18px, 4vw, 40px) 34px 0;
  counter-reset: ln;
  background:
    linear-gradient(var(--oxblood), var(--oxblood)) no-repeat 62px 0 / 1.5px 100%,
    linear-gradient(#fff, #fff);
}
.seg-block { display: grid; grid-template-columns: 64px 1fr; }
.seg-block__gutter {
  padding: 4px 12px 4px 0; text-align: right;
  font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--slate);
  user-select: none;
}
.seg-block__body { padding: 4px 0 4px 22px; }
.speaker {
  display: inline-block; font-family: "IBM Plex Mono", monospace; font-size: 11px;
  font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  color: var(--teal-deep); background: #EAF3F2; padding: 2px 8px; border-radius: 5px;
  margin-bottom: 4px;
}
.seg-block + .seg-block { border-top: 1px solid #F0EDE4; }

.transcript {
  font-family: "IBM Plex Mono", monospace; font-size: 15px; line-height: 1.85;
  color: var(--ink); margin: 0;
}
.w {
  cursor: pointer; border-radius: 3px; padding: 0 .5px;
  transition: background .1s ease, color .1s ease;
  text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 3px;
}
.w:hover { background: #EAF3F2; text-decoration-color: var(--teal); }
.w.is-now { background: var(--teal); color: #fff; }
.event { color: var(--slate); font-style: italic; }

.record__foot {
  margin: 0; padding: 12px 20px; border-top: 1px solid var(--line);
  font-size: 12.5px; color: var(--slate); background: var(--paper);
}

/* single plain paragraph fallback (no word timings) */
.plain { padding: 26px clamp(20px, 4vw, 40px); }
.plain .transcript { line-height: 1.9; }

/* ---------- loading overlay ---------- */
.overlay {
  position: fixed; inset: 0; z-index: 20; display: grid; place-items: center;
  background: rgba(26,29,36,.35); backdrop-filter: blur(3px);
}
.overlay__card {
  background: #fff; border-radius: 14px; padding: 30px 40px; text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,.25); display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.overlay__card p { margin: 6px 0 0; font-weight: 500; font-size: 16px; }
.overlay__sub { font-size: 12.5px; color: var(--slate); }
.reel { display: flex; gap: 5px; align-items: flex-end; height: 34px; }
.reel i {
  width: 5px; background: var(--teal); border-radius: 3px; animation: bar 1s ease-in-out infinite;
}
.reel i:nth-child(1){ animation-delay: 0s; } .reel i:nth-child(2){ animation-delay: .12s; }
.reel i:nth-child(3){ animation-delay: .24s; } .reel i:nth-child(4){ animation-delay: .36s; }
.reel i:nth-child(5){ animation-delay: .48s; }
@keyframes bar { 0%,100% { height: 8px; } 50% { height: 32px; } }

[hidden] { display: none !important; }

@media (max-width: 640px) {
  .controls { flex-direction: column; align-items: stretch; }
  .controls .btn--primary { margin-left: 0; }
  .seg-block { grid-template-columns: 44px 1fr; }
  .page { background-position: 42px 0; }
  .seg-block__gutter { padding-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}