:root {
  --bg: #101114;
  --surface: #16181c;
  --dim: #4b4f59;      /* untyped text */
  --fg: #e9ebef;       /* correctly typed */
  --bad: #ff6b6b;
  --ok: #5ec26a;       /* a finding in your favour */
  --accent: #ffc46b;   /* caret */
  --muted: #6b7078;
  --line: #23262c;
  --text-size: clamp(1.25rem, 2.4vw, 1.8rem);
  --lh: 1.9;
  /* Visible lines of text. render.js reads this, so changing it here changes
     both the viewport height and where the active line is parked. */
  --rows: 6;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #faf9f7;
    --surface: #f2f1ee;
    --dim: #b7b4ad;
    --fg: #17181a;
    --bad: #cc3b3b;
    --ok: #2e8b3d;
    --accent: #c07c12;
    --muted: #8a8781;
    --line: #e4e2dd;
  }
}

* { box-sizing: border-box; }
[x-cloak] { display: none !important; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
  -webkit-font-smoothing: antialiased;
  caret-color: transparent;
}

.app {
  min-height: 100%;
  max-width: 60rem;
  margin: 0 auto;
  padding: clamp(1rem, 4vh, 2.5rem) clamp(1rem, 5vw, 3rem);
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 2rem;
}

/* header ------------------------------------------------------------- */
.bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}
.mark { text-transform: lowercase; }
.meters {
  display: flex;
  gap: 1.25rem;
  opacity: 0;
  transition: opacity 160ms ease;
  font-variant-numeric: tabular-nums;
}
.meters.on { opacity: 1; }
.meter b { color: var(--fg); font-weight: 500; }

/* text ---------------------------------------------------------------- */
.stage {
  display: grid;
  align-content: center;
}
.viewport {
  overflow: hidden;
  height: calc(var(--text-size) * var(--lh) * var(--rows));
}
.viewport.hidden { display: none; }
.scroller {
  position: relative;
  transition: transform 120ms ease-out;
}
.text {
  font-size: var(--text-size);
  line-height: var(--lh);
  text-align: justify;
  text-align-last: left;
  color: var(--dim);
  user-select: none;
}
.word {
  display: inline-block;
  white-space: nowrap;
}
.char.ok { color: var(--fg); }
.char.bad { color: var(--bad); }

.caret {
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: transform 70ms ease-out;
  will-change: transform;
}
.caret.blink { animation: blink 1.1s steps(2, start) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* result -------------------------------------------------------------- */
.result { display: grid; gap: 1.75rem; }
.headline { display: flex; align-items: baseline; gap: 0.6rem; }
.big {
  font-size: clamp(3.5rem, 12vw, 6rem);
  line-height: 1;
  font-weight: 500;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.unit { color: var(--muted); font-size: 1rem; letter-spacing: 0.1em; }
.grid {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(7rem, 1fr));
  gap: 1.25rem 2rem;
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
}
.grid dt { color: var(--muted); font-size: 0.72rem; letter-spacing: 0.1em; }
.grid dd {
  margin: 0.35rem 0 0;
  font-size: 1.5rem;
  font-variant-numeric: tabular-nums;
}
.again { margin: 0; color: var(--muted); font-size: 0.8rem; }

/* footer -------------------------------------------------------------- */
.hints {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  color: var(--muted);
  font-size: 0.75rem;
}
kbd {
  font: inherit;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.1em 0.4em;
  color: var(--fg);
}

@media (prefers-reduced-motion: reduce) {
  .caret, .scroller { transition: none; }
  .caret.blink { animation: none; }
}

/* insights ------------------------------------------------------------- */
.insights {
  display: grid;
  gap: 1.5rem;
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}

/* findings: plain statements, evidence underneath */
.findings {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}
.findings li {
  display: grid;
  gap: 0.15rem;
  padding-left: 0.9rem;
  border-left: 2px solid var(--line);
}
.findings li.watch { border-left-color: var(--bad); }
.findings li.good  { border-left-color: var(--ok, #5ec26a); }
.f-text   { font-size: 0.95rem; }
.f-detail { color: var(--muted); font-size: 0.78rem; font-variant-numeric: tabular-nums; }

/* charts */
.findings + .panels { margin-top: 2rem; }
.panels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 1.5rem 2rem;
  align-items: start;
}
.panel { margin: 0; display: grid; gap: 0.5rem; }
.panel figcaption {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  white-space: nowrap;
}
.panel figcaption > :first-child {
  overflow: hidden;
  text-overflow: ellipsis;
}
.panel figcaption span { opacity: 0.7; }
.plot { width: 100%; }

/* Charts are drawn to a fixed viewBox and stretched to fit; the explicit
   height keeps them legible instead of collapsing to a sliver. */
.chart { width: 100%; height: 7.5rem; display: block; overflow: visible; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .tick { fill: var(--muted); font-size: 9px; font-family: inherit; }
.chart .line { fill: none; stroke: var(--accent); stroke-width: 1.5; stroke-linejoin: round; }
.chart .area { fill: var(--accent); opacity: 0.10; stroke: none; }
.chart .dot  { fill: var(--accent); }

/* horizontal bars */
.bars { display: grid; gap: 0.4rem; }
.bar-row {
  display: grid;
  grid-template-columns: 4.5rem 1fr 3rem;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.75rem;
}
.bar-label { color: var(--muted); }
.bar-track {
  height: 0.55rem;
  background: var(--surface);
  border-radius: 3px;
  overflow: hidden;
}
.bar-fill {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
}
.bar-fill.good { background: var(--ok, #5ec26a); }
.bar-fill.bad  { background: var(--bad); }
.bar-value {
  text-align: right;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.corpus {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
}

/* The typing hints belong to the test, not the results. Hidden once a run
   ends so the summary is not competing with instructions for keys you have
   just finished using. */
.hints.done { visibility: hidden; }

/* two-section insights: this run vs over time */
.block { display: grid; gap: 0.9rem; }
.block + .block {
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
}
.block-title {
  margin: 0;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: lowercase;
  color: var(--muted);
}
.stack { display: grid; gap: 1.25rem; }
.findings:empty { display: none; }

/* the honest "not yet" state */
.pending {
  margin: 0;
  font-size: 0.85rem;
  color: var(--fg);
  display: grid;
  gap: 0.25rem;
}
.pending b { color: var(--accent); font-weight: 500; }

/* a plain observation, as opposed to a judgement */
.findings li.note { border-left-color: var(--muted); }

/* ===================================================== keyboard menu ==== */
.menu-hint {
  position: fixed;
  bottom: 0.9rem;
  right: 1.1rem;
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  opacity: 0.55;
  transition: opacity 140ms ease;
  pointer-events: none;
  z-index: 5;
}
.menu-hint.faded { opacity: 0; }

.menu {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(3px);
  opacity: 0;
  transition: opacity 120ms ease;
}
.menu.on { opacity: 1; }
.menu ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.15rem;
  min-width: min(26rem, 88vw);
}
.menu a {
  display: grid;
  grid-template-columns: 2rem 8rem 1fr;
  align-items: baseline;
  gap: 0.9rem;
  padding: 0.6rem 0.9rem;
  border-radius: 4px;
  text-decoration: none;
  color: var(--fg);
  border: 1px solid transparent;
}
.menu a:hover { background: var(--surface); }
.menu li.on a {
  background: var(--surface);
  border-color: var(--line);
}
.menu kbd {
  justify-self: start;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--accent);
  font-size: 0.75rem;
  padding: 0.15em 0.45em;
}
.m-title { font-size: 0.9rem; }
.m-blurb { color: var(--muted); font-size: 0.73rem; }

/* ================================================== analytics pages ==== */
body.page {
  background: var(--bg);
  color: var(--fg);
  font-family: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
}
.sheet {
  max-width: 68rem;
  margin: 0 auto;
  padding: clamp(1.5rem, 5vh, 3rem) clamp(1rem, 5vw, 3rem) 5rem;
}
.sheet-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.9rem;
  margin-bottom: 1.75rem;
}
.sheet-head h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.tables {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
  gap: 2rem 2.5rem;
  align-items: start;
}
.table { display: grid; gap: 0.5rem; }
.table h2 {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: lowercase;
}
.table .note {
  margin: -0.2rem 0 0.3rem;
  color: var(--muted);
  font-size: 0.72rem;
  opacity: 0.8;
}
/* analytics rows carry a trailing sample-size column */
.table .bar-row {
  grid-template-columns: minmax(5rem, 9rem) 1fr 3.6rem 2.8rem;
  gap: 0.55rem;
}
.table .bar-label {
  color: var(--fg);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.bar-n {
  text-align: right;
  color: var(--muted);
  opacity: 0.65;
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
}

/* ======================================================= setup tag ==== */
/* The context line on the test screen. It answers "what will this run be
   tagged as" at a glance and is otherwise meant to disappear -- it sits at
   the same weight as the menu hint, opposite it, so neither draws the eye
   away from the words. */
.setup-tag {
  position: fixed;
  bottom: 0.9rem;
  left: 1.1rem;
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  opacity: 0.45;
  transition: opacity 140ms ease;
  z-index: 5;
}
.setup-tag:hover { opacity: 0.9; }

/* ===================================================== setup page ==== */
.setup { display: grid; gap: 2.25rem; margin-top: 2rem; }
.setup-group h2 {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.75rem;
}
.choices { display: grid; gap: 0.3rem; max-width: 38rem; }
.choice {
  display: grid;
  gap: 0.2rem;
  text-align: left;
  padding: 0.65rem 0.85rem;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--fg);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}
.choice:hover { background: var(--surface); }
/* The active choice is marked with a real border, not just a tint: on a dim
   palette a background alone is too easy to miss. */
.choice.on {
  background: var(--surface);
  border-color: var(--accent);
}
.c-label { color: var(--fg); }
.choice.on .c-label { color: var(--accent); }
.c-blurb { color: var(--muted); font-size: 0.72rem; }
.resolved { color: var(--muted); font-size: 0.72rem; }

.note.dim { color: var(--muted); font-size: 0.75rem; max-width: 38rem; }
.inline-btn {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 3px;
  font: inherit;
  font-size: 0.72rem;
  padding: 0.2em 0.6em;
  margin: 0 0.3em;
  cursor: pointer;
}
.inline-btn:hover { background: var(--surface); }

/* ============================================== setup: type to choose ==== */
/* The query line. It holds its height whether or not anything is typed, so
   the choices below never jump as the query changes. */
.setup-hint {
  min-height: 1.4rem;
  margin: 0 0 1.25rem;
  font-size: 0.75rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.setup-hint kbd {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.7rem;
  padding: 0.1em 0.4em;
  border-radius: 3px;
}
.q-text { color: var(--fg); letter-spacing: 0.04em; }
.q-caret {
  display: inline-block;
  width: 1px;
  height: 0.9rem;
  background: var(--accent);
  animation: blink 1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.q-ready { color: var(--accent); }
.q-none { color: var(--bad); }

/* Non-matching choices recede rather than vanishing: the list keeps its
   position, so the eye does not re-find it on every keystroke. */
.choice.faded { opacity: 0.25; }

/* The cursor — the row enter would take — must not look like `.on`, the row
   actually in force. They are different facts, and when they land on
   different rows (the usual case on load) an identical treatment reads as two
   selected options. So: `.on` owns the accent border and accent label,
   while the cursor is a bar in the margin and nothing else. */
.choice.ready {
  position: relative;
  background: var(--surface);
}
.choice.ready::before {
  content: '';
  position: absolute;
  left: 0.3rem;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 1.1rem;
  background: var(--accent);
  border-radius: 1px;
}
/* On the row that is both chosen and current, `.on` supplies the border and
   the label colour; the bar just says the cursor is here too. */
/* A manual choice reads slightly brighter than a detected one, with a dot:
   it is the tag that can silently go stale, so it should not look identical
   to one the app worked out for itself. */
.setup-tag.held { opacity: 0.7; }
.held-dot { color: var(--accent); margin-left: 0.3em; }

/* Text toggles. Several can be on at once, so they get a box rather than the
   single-selection treatment the other groups use. */
.choice.toggle .c-label { display: flex; align-items: baseline; gap: 0.5rem; }
.box {
  display: inline-grid;
  place-items: center;
  width: 0.95em;
  height: 0.95em;
  border: 1px solid var(--muted);
  border-radius: 2px;
  font-size: 0.85em;
  line-height: 1;
  color: var(--accent);
  flex: none;
}
.choice.toggle.on .box { border-color: var(--accent); }

/* The live sample on /text. Set in the same face as the test itself, so what
   you see here is what you will be typing. */
.preview .sample {
  margin: 0;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  color: var(--dim);
  font-size: 0.95rem;
  line-height: 1.8;
  min-height: 4.4rem;
}

/* Sliders sit under the toggle they belong to, indented so the pairing reads
   without a box around it. Shown only while that flag is on. */
.choice-wrap { display: grid; gap: 0.3rem; }
.slider {
  display: grid;
  grid-template-columns: 5rem 1fr auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.1rem 0.9rem 0.35rem 2.3rem;
  font-size: 0.72rem;
  color: var(--muted);
}
.s-label { letter-spacing: 0.04em; }
.s-value { color: var(--accent); letter-spacing: 0.22em; font-size: 0.8rem; }

/* A flat, themed range control: the native one is chrome-coloured and would
   be the only part of the page that ignores the palette. */
.slider input[type='range'] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 2px;
  background: var(--line);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
.slider input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}
.slider input[type='range']::-moz-range-thumb {
  width: 11px;
  height: 11px;
  border: none;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}
.slider input[type='range']:focus-visible { outline: 1px solid var(--accent); outline-offset: 3px; }

/* The slider belonging to the active row shows its keys instead of a label,
   so which arrows do what is answered where you are looking. */
.slider.active .s-label kbd {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--accent);
  font-size: 0.62rem;
  padding: 0.05em 0.3em;
  border-radius: 2px;
  margin-right: 0.1em;
}
.slider.active .s-value { color: var(--accent); }