/* Self-hosted fonts (latin subset) so no participant request goes to Google. */
@font-face { font-family: 'Atkinson Hyperlegible'; font-style: italic; font-weight: 400; font-display: swap; src: url(fonts/atkinson-hyperlegible-400i.woff2) format('woff2'); }
@font-face { font-family: 'Atkinson Hyperlegible'; font-style: normal; font-weight: 400; font-display: swap; src: url(fonts/atkinson-hyperlegible-400.woff2) format('woff2'); }
@font-face { font-family: 'Atkinson Hyperlegible'; font-style: normal; font-weight: 700; font-display: swap; src: url(fonts/atkinson-hyperlegible-700.woff2) format('woff2'); }
@font-face { font-family: 'Bricolage Grotesque'; font-style: normal; font-weight: 500 700; font-display: swap; src: url(fonts/bricolage-grotesque.woff2) format('woff2'); }

/* Layout: one calm reading column (max 42rem), one question per card-less row,
   answer scales as full-width tap targets. */
:root {
  --bg: #f3f5f4;
  --surface: #ffffff;
  --ink: #18221f;
  --muted: #55625e;
  --line: #d3dbd8;
  --accent: #1d6a63;
  --accent-ink: #ffffff;
  --sel: #dcece8;
  --warn-bg: #fff2df;
  --warn-ink: #6e3d00;
  --warn-line: #e8c48e;
  --bad: #a3361f;
  --font-display: 'Bricolage Grotesque', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Atkinson Hyperlegible', 'Segoe UI', system-ui, sans-serif;
  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: 1.6rem;
  --step-3: 2.2rem;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111715; --surface: #18201e; --ink: #e5ece9; --muted: #9aaaa5; --line: #2b3734;
    --accent: #7fcdc3; --accent-ink: #0d1614; --sel: #1d3532;
    --warn-bg: #2f2412; --warn-ink: #f3cc93; --warn-line: #6b5126; --bad: #f19b84;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #111715; --surface: #18201e; --ink: #e5ece9; --muted: #9aaaa5; --line: #2b3734;
  --accent: #7fcdc3; --accent-ink: #0d1614; --sel: #1d3532;
  --warn-bg: #2f2412; --warn-ink: #f3cc93; --warn-line: #6b5126; --bad: #f19b84;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 var(--step-0)/1.6 var(--font-body);
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
a { color: var(--accent); }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; text-wrap: balance; margin: 0; }
h1 { font-size: var(--step-3); font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: var(--step-2); font-weight: 700; }
h3 { font-size: var(--step-1); font-weight: 500; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.top {
  position: sticky; top: 0; z-index: 5;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.top-inner, .wrap, .foot-inner {
  max-width: 42rem; margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.top-inner { display: flex; align-items: center; gap: 1rem; padding-block: 0.7rem; flex-wrap: wrap; }
.brand { font-family: var(--font-display); font-weight: 700; color: var(--ink); text-decoration: none; font-size: 1.05rem; }
.brand span { color: var(--accent); }
.progress { flex: 1 1 12rem; min-width: 0; display: grid; gap: 0.25rem; }
.progress-label { font-size: 0.85rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.progress-track { height: 6px; background: var(--line); border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--accent); width: 0; transition: width 0.3s; }

.preview-banner {
  background: var(--warn-bg); color: var(--warn-ink); border-bottom: 1px solid var(--warn-line);
  text-align: center; font-size: 0.9rem; padding: 0.5rem 16px;
}

.wrap { padding-block: 2rem 3rem; display: grid; gap: 1.5rem; outline: none; }
.eyebrow { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); font-weight: 700; }
.lead { font-size: var(--step-1); color: var(--muted); }
.stack { display: grid; gap: 1rem; }
.muted { color: var(--muted); }
.small { font-size: 0.9rem; }
.select { user-select: all; }

.facts { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; color: var(--muted); font-size: 0.95rem; }
.facts strong { color: var(--ink); }

details.info { border-top: 1px solid var(--line); }
details.info:last-of-type { border-bottom: 1px solid var(--line); }
details.info summary { cursor: pointer; padding: 0.85rem 0; font-weight: 700; list-style-position: outside; }
details.info > div { padding: 0 0 1rem; display: grid; gap: 0.6rem; }

.consent { display: grid; gap: 0.6rem; }
.tick { display: flex; gap: 0.7rem; align-items: flex-start; padding: 0.7rem 0.8rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); cursor: pointer; }
.tick input { width: 1.25rem; height: 1.25rem; margin-top: 0.2rem; flex: none; accent-color: var(--accent); }

/* Questions */
.q { border: 0; margin: 0; padding: 0 0 1.4rem; border-bottom: 1px solid var(--line); display: grid; gap: 0.75rem; min-width: 0; }
.q:last-of-type { border-bottom: 0; }
.q legend { padding: 0; font-weight: 700; font-size: var(--step-0); float: left; width: 100%; }
.q legend + * { clear: both; }
.q .qnum { color: var(--muted); font-weight: 400; font-variant-numeric: tabular-nums; margin-right: 0.4rem; }
.q.missing legend { color: var(--bad); }
.q.missing .scale { outline: 2px solid var(--bad); outline-offset: 3px; border-radius: var(--radius); }
.subhead { font-family: var(--font-display); font-size: var(--step-1); font-weight: 500; padding-top: 0.5rem; }

.scale { display: grid; grid-template-columns: repeat(var(--n, 5), minmax(0, 1fr)); gap: 0.4rem; }
.opt { position: relative; display: flex; }
.opt input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.opt span {
  flex: 1; display: flex; align-items: center; justify-content: center; text-align: center;
  min-height: 3rem; padding: 0.45rem 0.35rem; font-size: 0.88rem; line-height: 1.25;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface);
  cursor: pointer; transition: background 0.12s, border-color 0.12s;
}
.opt:hover span { border-color: var(--accent); }
.opt input:checked + span { background: var(--sel); border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); font-weight: 700; }
.opt input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 2px; }
.scale.list { grid-template-columns: 1fr; }
.scale.list .opt span { justify-content: flex-start; text-align: left; font-size: 0.95rem; padding-inline: 0.85rem; min-height: 2.75rem; }
.na { justify-self: start; }
.na .opt span { min-height: 2.2rem; font-size: 0.85rem; padding-inline: 0.8rem; border-style: dashed; }

.checks { display: grid; gap: 0.4rem; }
.checks .tick { padding: 0.55rem 0.8rem; font-size: 0.95rem; }

.distress { display: grid; gap: 0.5rem; padding: 0.8rem; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.distress-q { font-size: 0.92rem; color: var(--muted); }

@media (max-width: 560px) {
  .scale { grid-template-columns: 1fr; }
  .scale .opt span { justify-content: flex-start; text-align: left; padding-inline: 0.85rem; min-height: 2.75rem; font-size: 0.95rem; }
}

/* Notes and support */
.note { padding: 0.9rem 1rem; border-radius: var(--radius); background: var(--warn-bg); color: var(--warn-ink); border: 1px solid var(--warn-line); display: grid; gap: 0.5rem; }
.note a { color: inherit; }
.support { padding: 1.1rem 1.1rem 1.2rem; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); display: grid; gap: 0.7rem; }
.support.urgent { border-color: var(--warn-line); background: var(--warn-bg); color: var(--warn-ink); }
.support ul { margin: 0; padding-left: 1.1rem; display: grid; gap: 0.35rem; }
.support .num { font-weight: 700; font-variant-numeric: tabular-nums; user-select: all; }

.error { color: var(--bad); font-weight: 700; }

/* Buttons */
.nav { display: flex; gap: 0.75rem; justify-content: space-between; flex-wrap: wrap; padding-top: 0.5rem; }
.btn {
  font: 700 1rem/1 var(--font-body); padding: 0.95rem 1.4rem; border-radius: var(--radius);
  border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); cursor: pointer;
  min-height: 3rem;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.quiet { background: transparent; border-color: var(--line); color: var(--muted); font-weight: 400; }

/* Results */
.result { display: grid; gap: 0.9rem; padding-block: 1.2rem; border-top: 1px solid var(--line); }
.big { font-family: var(--font-display); font-size: var(--step-3); font-weight: 700; font-variant-numeric: tabular-nums; line-height: 1; }
.big small { font-size: 1rem; color: var(--muted); font-weight: 500; }
.bars { display: grid; gap: 0.7rem; }
.bar { display: grid; gap: 0.25rem; }
.bar-head { display: flex; justify-content: space-between; gap: 1rem; font-size: 0.95rem; }
.bar-head b { font-variant-numeric: tabular-nums; white-space: nowrap; }
.bar-track { height: 10px; border-radius: 5px; background: var(--line); overflow: hidden; }
.bar-fill { height: 100%; background: var(--accent); border-radius: 5px; }
.code {
  font: 700 1.6rem/1.2 ui-monospace, 'Cascadia Mono', Consolas, monospace; letter-spacing: 0.12em;
  padding: 0.8rem 1rem; border: 2px dashed var(--accent); border-radius: var(--radius); background: var(--surface);
  user-select: all; overflow-wrap: anywhere;
}
.answers-list { margin: 0; padding-left: 1.1rem; display: grid; gap: 0.25rem; font-size: 0.95rem; }

.foot { border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem; }
.foot-inner { padding-block: 1.2rem 2rem; display: grid; gap: 0.3rem; }

input[type="text"] {
  font: 400 1.1rem var(--font-body); padding: 0.75rem 0.9rem; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--surface); color: var(--ink); width: 100%; max-width: 22rem;
  letter-spacing: 0.08em; text-transform: uppercase;
}

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

.h3 { font-size: var(--step-1); }
.clear { justify-self: start; background: none; border: 0; padding: 0.2rem 0; color: var(--muted); text-decoration: underline; font: 400 0.88rem var(--font-body); cursor: pointer; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.qlabel { font-weight: 700; }
select {
  font: 400 1rem var(--font-body); padding: 0.75rem 0.9rem; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--surface); color: var(--ink); width: 100%; max-width: 30rem; min-height: 3rem;
}

/* Research hub */
.hub-hero { padding-top: 0.5rem; }
.study-list { display: grid; gap: 1rem; }
.study {
  display: grid; gap: 0.6rem; padding: 1.2rem 1.25rem; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); color: var(--ink); text-decoration: none; min-width: 0;
}
.study.is-open:hover { border-color: var(--accent); }
.study h3 { font-size: var(--step-1); font-weight: 700; }
.study-meta { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; align-items: center; font-size: 0.9rem; color: var(--muted); }
.pill { display: inline-block; padding: 0.15rem 0.6rem; border-radius: 999px; background: var(--accent); color: var(--accent-ink); font-weight: 700; font-size: 0.8rem; letter-spacing: 0.03em; }
.pill.quiet { background: var(--line); color: var(--ink); }
.topics { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0; padding: 0; list-style: none; }
.topics li { font-size: 0.82rem; padding: 0.15rem 0.55rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); }
.study-go { color: var(--accent); font-weight: 700; }
.plain-list { margin: 0; padding-left: 1.1rem; display: grid; gap: 0.4rem; }

.support-sub { font-family: var(--font-display); font-size: 1rem; font-weight: 700; margin-top: 0.3rem; }

/* Google Forms studies (/form/) and team results (/team/) */
.gform { width: 100%; height: 1900px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; display: block; }
button.study { font: inherit; text-align: left; cursor: pointer; width: 100%; }
input[type="password"] {
  font: 400 1.1rem var(--font-body); padding: 0.75rem 0.9rem; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--surface); color: var(--ink); width: 100%; max-width: 24rem;
}
.table-wrap { overflow-x: auto; max-width: 100%; }
.grid-table { border-collapse: collapse; font-size: 0.9rem; min-width: 100%; }
.grid-table th, .grid-table td { padding: 0.45rem 0.55rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.grid-table thead th { font-weight: 700; color: var(--muted); font-size: 0.82rem; }
.grid-table td { font-variant-numeric: tabular-nums; white-space: nowrap; }
.grid-table td small { color: var(--muted); }
.grid-table tbody th { font-weight: 400; min-width: 12rem; }
.grid-table.raw td { white-space: normal; min-width: 8rem; max-width: 24rem; }
.quotes { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.6rem; }
.quotes li { padding: 0.7rem 0.9rem; border-left: 3px solid var(--accent); background: var(--surface); border-radius: 0 var(--radius) var(--radius) 0; white-space: pre-wrap; overflow-wrap: anywhere; }
details > summary { cursor: pointer; }

/* Team results: picker, tiles, Claude's analysis */
.picker { position: sticky; top: 0; z-index: 5; background: var(--bg); padding: 0.75rem 0; border-bottom: 1px solid var(--line); display: grid; gap: 0.4rem; }
.picker-row { display: flex; gap: 0.6rem; align-items: center; }
.picker select {
  flex: 1; min-width: 0; font: 400 1.05rem var(--font-body); padding: 0.7rem 0.8rem; min-height: 3rem;
  border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); color: var(--ink);
}
.picker .btn { flex: none; }
.picker-note:empty, #picker-note:empty { display: none; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr)); gap: 0.6rem; }
.kpi { display: grid; gap: 0.3rem; padding: 0.85rem 0.9rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--muted); font-size: 0.9rem; }
.kpi .big { color: var(--ink); font-size: var(--step-2); }
.kpi-date { color: var(--ink); font-weight: 700; font-variant-numeric: tabular-nums; }
.ai-panel { padding: 1.1rem 1.1rem 1.3rem; border: 1px solid var(--accent); border-radius: var(--radius); background: var(--surface); }
.ai-meta { font-size: 0.9rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
.ai-headline { font-family: var(--font-display); font-size: var(--step-1); font-weight: 700; line-height: 1.3; }
.ai-status { display: flex; gap: 0.6rem; align-items: center; font-weight: 700; color: var(--accent); }
.ai-status .dot { width: 0.7rem; height: 0.7rem; border-radius: 50%; background: var(--accent); flex: none; animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.25; } }
@media (prefers-reduced-motion: reduce) { .ai-status .dot { animation: none; } }
.findings { display: grid; gap: 0.7rem; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }
.finding { display: grid; gap: 0.45rem; align-content: start; padding: 0.9rem 1rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); min-width: 0; }
.finding .pill { justify-self: start; }
.finding h4, .ai-charts h4 { margin: 0; font-size: 1.02rem; }
.ai-charts .result:first-child { border-top: 0; }
.pairs { display: grid; gap: 1rem; }
.pair { display: grid; gap: 0.3rem; }
.pair-row { display: grid; grid-template-columns: 3.6rem 1fr 2.6rem; gap: 0.5rem; align-items: center; }
.pair-row b { text-align: right; font-variant-numeric: tabular-nums; }
.bar-fill.before { background: var(--muted); opacity: 0.6; }
.grid-table td.heat { background: color-mix(in srgb, var(--accent) calc(var(--a, 0) * 35%), transparent); }