:root {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --ink: #1c1c1e;
  --muted: #55565c;
  --line: #ddd8cc;
  --senior: #0f5e57;
  --senior-bg: #e2efec;
  --junior: #8a4a0e;
  --junior-bg: #f7eadb;
  --neutral: #4b4f63;
  --neutral-bg: #eceef3;
  --warn-bg: #fdf3d8;
  --warn-line: #e4c66f;
  --error: #a3261b;
  --error-bg: #fbe9e6;
  --demo-bg: #ece8fb;
  --demo-line: #b3a7ea;
  --focus: #2b59c3;
  --radius: 14px;
  --serif: 'Iowan Old Style', 'Palatino Linotype', Palatino, 'Book Antiqua', Georgia, serif;
  --sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #131313;
    --surface: #1c1c1c;
    --ink: #f0eee8;
    --muted: #b3b0a8;
    --line: #36342f;
    --senior: #72d1c4;
    --senior-bg: #12302c;
    --junior: #f2b56d;
    --junior-bg: #352511;
    --neutral: #c3c7d8;
    --neutral-bg: #262832;
    --warn-bg: #2f2711;
    --warn-line: #7a6424;
    --error: #ff9a8f;
    --error-bg: #3a1714;
    --demo-bg: #24203a;
    --demo-line: #5d51a3;
    --focus: #8fb0ff;
  }
}
:root[data-theme='dark'] {
  --bg: #131313; --surface: #1c1c1c; --ink: #f0eee8; --muted: #b3b0a8; --line: #36342f;
  --senior: #72d1c4; --senior-bg: #12302c; --junior: #f2b56d; --junior-bg: #352511;
  --neutral: #c3c7d8; --neutral-bg: #262832; --warn-bg: #2f2711; --warn-line: #7a6424;
  --error: #ff9a8f; --error-bg: #3a1714; --demo-bg: #24203a; --demo-line: #5d51a3; --focus: #8fb0ff;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.55 var(--sans);
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }
h1, h2, h3 { font-family: var(--serif); line-height: 1.2; margin: 0 0 0.5em; font-weight: 600; }
h1 { font-size: clamp(1.9rem, 5vw, 2.6rem); letter-spacing: -0.01em; }
h2 { font-size: 1.45rem; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 0.8em; }
a { color: var(--senior); }
q { quotes: '“' '”'; }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
[tabindex='-1']:focus { outline: none; }

.skip { position: absolute; left: -999px; top: 8px; background: var(--surface); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }

.topbar { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; min-height: 56px; }
.brand { margin: 0; font-family: var(--serif); font-weight: 600; font-size: 1.15rem; }
.tag { font-family: var(--sans); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); border: 1px solid var(--line); border-radius: 99px; padding: 2px 8px; margin-left: 6px; vertical-align: middle; }

.intro { padding: 40px 0 8px; }
.lede { font-size: 1.08rem; color: var(--muted); max-width: 62ch; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin: 20px 0; }
@media (max-width: 520px) { .card { padding: 18px 16px; } }

.step-title { display: flex; align-items: center; gap: 10px; font-size: 1.25rem; margin-top: 8px; }
.step-title:not(:first-child) { margin-top: 32px; }
.step-num { display: inline-grid; place-items: center; width: 1.7em; height: 1.7em; border-radius: 50%; background: var(--senior); color: var(--surface); font: 600 0.8rem/1 var(--sans); flex: none; }
.eyebrow { display: flex; align-items: center; gap: 8px; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); font-weight: 600; margin-bottom: 10px; }

.label { display: block; font-weight: 600; margin: 14px 0 6px; }
legend.label { padding: 0; }
.hint { color: var(--muted); font-size: 0.93rem; }
.hint-error { color: var(--error); }
.fine { color: var(--muted); font-size: 0.88rem; }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }

input[type='text'], input[type='email'], textarea, select {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
}
textarea { font-family: ui-monospace, 'Cascadia Mono', Consolas, monospace; font-size: 0.9rem; resize: vertical; }
input:focus-visible, textarea:focus-visible, select:focus-visible { border-color: var(--focus); }
.fields .field { margin-bottom: 4px; }
.field-inline { margin-top: 12px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 600 1rem/1.2 var(--sans);
  border-radius: 999px; padding: 12px 20px; min-height: 44px;
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
}
.btn-primary { background: var(--senior); color: var(--surface); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-secondary { background: var(--senior-bg); color: var(--senior); border-color: color-mix(in srgb, var(--senior) 35%, transparent); }
.btn-quiet { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-quiet:hover { background: var(--bg); }
.btn-link { background: none; border: 0; padding: 6px 0; font: inherit; font-size: 0.93rem; color: var(--senior); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; min-height: 32px; }
.file-btn { position: relative; }
.visually-hidden-input { position: absolute; inset: 0; opacity: 0; width: 100%; cursor: pointer; }
.file-btn:focus-within { outline: 3px solid var(--focus); outline-offset: 2px; }
.input-row, .actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 12px 0; }
.actions { margin-top: 20px; }

.notice { border-radius: 12px; padding: 14px 16px; margin: 14px 0; border: 1px solid var(--line); background: var(--bg); }
.notice p:last-child { margin-bottom: 0; }
.notice-title { font-weight: 700; margin-bottom: 4px; }
.notice-privacy { background: var(--senior-bg); border-color: color-mix(in srgb, var(--senior) 30%, transparent); }
.notice-demo { background: var(--demo-bg); border-color: var(--demo-line); }
.notice-warn { background: var(--warn-bg); border-color: var(--warn-line); }
.notice-info { background: var(--neutral-bg); }
.notice-error { background: var(--error-bg); border-color: var(--error); }
.form-errors { background: var(--error-bg); border: 1px solid var(--error); border-radius: 12px; padding: 12px 16px; margin-top: 18px; }
.form-errors ul { margin: 0; padding-left: 1.2em; }

.speaker-picker { margin-top: 8px; }
.speaker-option, .manual-option {
  display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; align-items: start;
  padding: 12px; border: 1px solid var(--line); border-radius: 10px; margin: 8px 0; cursor: pointer;
}
.speaker-option:has(input:checked), .manual-option:has(input:checked) { border-color: var(--senior); background: var(--senior-bg); }
.speaker-option input, .manual-option input { margin-top: 5px; width: 18px; height: 18px; accent-color: var(--senior); }
.speaker-name { font-weight: 700; }
.speaker-meta, .speaker-sample { grid-column: 2; color: var(--muted); font-size: 0.9rem; }
.speaker-sample { font-style: italic; overflow-wrap: anywhere; }
.manual-list { max-height: 420px; overflow-y: auto; padding-right: 4px; }
.manual-text { font-size: 0.93rem; overflow-wrap: anywhere; white-space: pre-line; }
.permission { margin-top: 22px; padding: 14px 16px; border-radius: 12px; background: var(--warn-bg); border: 1px solid var(--warn-line); }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 600; cursor: pointer; }
.check input { width: 20px; height: 20px; margin-top: 3px; accent-color: var(--senior); flex: none; }

.progress-bar { height: 8px; background: var(--neutral-bg); border-radius: 99px; overflow: hidden; margin: 12px 0 18px; }
#progress-fill { height: 100%; width: 0; background: var(--senior); transition: width 0.4s ease; }
.context-summary { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 0; font-size: 0.93rem; }
.context-summary dt { color: var(--muted); }
.context-summary dd { margin: 0; overflow-wrap: anywhere; }

/* results */
.results-header { margin: 8px 0 18px; }
.results-header .eyebrow { margin-bottom: 4px; }
.results-heading { font-size: clamp(1.4rem, 5vw, 1.9rem); margin: 0 0 6px; overflow-wrap: anywhere; }
.results-meta { color: var(--muted); font-size: 0.93rem; margin: 0; overflow-wrap: anywhere; }
.ratio-headline { font-size: clamp(1.7rem, 6vw, 2.4rem); }
.junior-text { color: var(--junior); }
.senior-text { color: var(--senior); }
.ratio-bar { display: flex; height: 22px; border-radius: 99px; overflow: hidden; margin: 6px 0 16px; background: var(--neutral-bg); }
.seg-junior { background: var(--junior); }
.seg-senior { background: var(--senior); }
.target-bar { position: relative; height: 14px; border-radius: 99px; background: var(--neutral-bg); margin: 10px 0 6px; }
.target-fill { position: absolute; inset: 0 auto 0 0; background: var(--senior); border-radius: 99px; }
.target-mark { position: absolute; top: -6px; bottom: -6px; width: 4px; margin-left: -2px; background: var(--ink); border-radius: 2px; }
.bar-legend { display: flex; justify-content: space-between; font-size: 0.85rem; color: var(--muted); }

details { margin-top: 12px; }
summary { cursor: pointer; font-weight: 600; color: var(--senior); padding: 6px 0; }
.calc { border-top: 1px solid var(--line); padding-top: 8px; }
.counts { border-collapse: collapse; margin: 8px 0 12px; }
.counts th, .counts td { text-align: left; padding: 4px 16px 4px 0; border-bottom: 1px solid var(--line); font-weight: 400; }
.counts td { font-variant-numeric: tabular-nums; font-weight: 700; }
.unit-list, .passage-list, .rewrite-list { padding-left: 0; list-style: none; margin: 0; }
.unit, .passage-list li, .rewrite-list li { border-top: 1px solid var(--line); padding: 12px 0; scroll-margin-top: 80px; }
.unit:target { background: var(--warn-bg); }
.unit-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 4px; }
.unit-text { margin-bottom: 4px; overflow-wrap: anywhere; }
.unit-reason { color: var(--muted); font-size: 0.92rem; margin-bottom: 2px; }
.loc { color: var(--muted); font-size: 0.85rem; font-variant-numeric: tabular-nums; }
.chip { display: inline-block; font-size: 0.8rem; padding: 2px 10px; border-radius: 99px; background: var(--neutral-bg); color: var(--neutral); }
.chip strong { text-transform: capitalize; }
.chip-junior { background: var(--junior-bg); color: var(--junior); }
.chip-senior { background: var(--senior-bg); color: var(--senior); }
.chip-disputed { border: 1px dashed var(--muted); background: transparent; color: var(--muted); }

.strengths { background: var(--senior-bg); border-radius: 12px; padding: 16px; margin: 8px 0 20px; }
.strengths ul { margin: 0; padding-left: 1.1em; }
.strengths li { margin-bottom: 6px; }
.strength-name { color: var(--senior); font-weight: 600; font-size: 0.93rem; }

.pattern { border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin: 16px 0; }
@media (max-width: 520px) { .pattern { padding: 14px; } }
.pattern-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 12px; margin-bottom: 4px; }
.pattern-head h3 { margin: 0; }
.count { color: var(--muted); font-size: 0.9rem; }
.badge { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--junior); background: var(--junior-bg); border-radius: 99px; padding: 2px 10px; }
.example { margin: 12px 0; padding: 12px 14px; border-radius: 10px; }
.example figcaption { font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.example blockquote { margin: 0 0 6px; font-family: var(--serif); font-size: 1.12rem; line-height: 1.45; overflow-wrap: anywhere; }
.example-said { background: var(--junior-bg); }
.example-said figcaption { color: var(--junior); }
.example-rewrite { background: var(--senior-bg); }
.example-rewrite figcaption { color: var(--senior); }
.why { font-size: 0.93rem; color: var(--muted); margin-bottom: 4px; }
.needs { font-size: 0.93rem; }
.pending { color: var(--muted); font-style: italic; }
.inline-rewrite { font-size: 0.93rem; color: var(--senior); }
.one-thing { border-left: 4px solid var(--senior); padding: 6px 0 6px 14px; margin-top: 20px; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .pair { grid-template-columns: 1fr; gap: 6px; } }
.pair .label { margin: 0 0 2px; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
.rewrite-text { color: var(--senior); }

.footer { border-top: 1px solid var(--line); margin-top: 40px; padding: 20px 0 40px; color: var(--muted); font-size: 0.88rem; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}
.check-quiet { font-weight: 400; margin: 10px 0 4px; }
.allowed { border: 1px dashed var(--line); border-radius: 12px; padding: 16px; margin: 20px 0 8px; }
.allowed ul { margin: 0 0 4px; padding-left: 1.1em; }
.allowed li { margin-bottom: 4px; }
.chip-allowed { background: var(--neutral-bg); color: var(--junior); }
.policy-note { font-style: italic; }
.sample-label { color: var(--muted); font-size: 0.93rem; }
.score-label { font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 0 0 2px; }
.form-score { border-top: 1px solid var(--line); margin-top: 18px; padding-top: 14px; }
.form-headline { font-family: var(--serif); font-size: 1.35rem; font-weight: 600; margin-bottom: 4px; }
.ratio-bar-small { height: 12px; margin: 4px 0 10px; }
.pattern-form { border-style: dashed; }

/* ---------- version 2: sign-in, job description, interview ---------- */
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.signed-in { color: var(--muted); font-size: 0.9rem; overflow-wrap: anywhere; }
.notice ul { margin: 6px 0 10px; padding-left: 1.2em; }
.notice li { margin-bottom: 4px; }
.scale { border: 0; padding: 0; margin: 18px 0 0; }
.scale-options { display: flex; gap: 8px; flex-wrap: wrap; margin: 6px 0; }
.scale-option { display: inline-flex; align-items: center; justify-content: center; position: relative; }
.scale-option input { position: absolute; opacity: 0; width: 44px; height: 44px; margin: 0; cursor: pointer; }
.scale-option span { display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; font-weight: 600; background: var(--surface); }
.scale-option input:checked + span { background: var(--senior); color: var(--surface); border-color: var(--senior); }
.scale-option input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: 2px; }
.interview-title { margin-top: 0; }
.interview-log { list-style: none; padding: 0; margin: 0 0 18px; display: grid; gap: 10px; }
.interview-log li { border-left: 3px solid var(--line); padding: 4px 0 4px 12px; }
.log-q, .log-a { margin: 0 0 4px; }
.log-a { color: var(--muted); }
.log-who { display: block; font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.question-card { background: var(--senior-bg); border: 1px solid color-mix(in srgb, var(--senior) 30%, transparent); border-radius: 12px; padding: 16px 18px; margin: 8px 0 6px; }
.question-meta { margin: 0 0 4px; font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--senior); }
.question-text { font-family: var(--serif); font-size: 1.3rem; line-height: 1.4; margin: 0; }
.question-tools { display: flex; flex-wrap: wrap; gap: 4px 18px; align-items: center; margin-top: 8px; }
.question-tools .check-quiet { margin: 0; }
.record-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: 8px 0 10px; }
.btn.recording { background: var(--error); color: var(--surface); border-color: var(--error); }
textarea#job-description, textarea#answer, textarea#feedback { width: 100%; }
textarea#answer, textarea#feedback, textarea#job-description { font-family: var(--sans); font-size: 1rem; line-height: 1.5; }
.demo-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; margin: 14px 0 4px; }
.demo-cta .hint { margin: 0; }