:root {
  --ink: #182230;
  --muted: #536171;
  --line: #cbd5e1;
  --surface: #ffffff;
  --soft: #eef4ff;
  --accent: #174ea6;
  --accent-hover: #123d83;
  --warning: #8a2a0c;
  --page: #f5f7fb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.55;
}

.page-shell { width: min(100% - 2rem, 860px); margin: 0 auto; padding: 2rem 0 3rem; }
.page-header { margin-bottom: 1.5rem; }
.eyebrow, .step-label { color: var(--accent); font-weight: 700; letter-spacing: .04em; text-transform: uppercase; font-size: .8rem; }
h1, h2 { line-height: 1.2; }
h1 { margin: .2rem 0; font-size: clamp(2rem, 6vw, 3rem); }
h2 { margin-top: 0; font-size: 1.35rem; }
.subtitle, .muted, .privacy-note, .scale-note { color: var(--muted); }
.card, .notice { margin: 1rem 0; padding: 1.25rem; background: var(--surface); border: 1px solid var(--line); border-radius: .75rem; box-shadow: 0 1px 2px rgb(15 23 42 / 5%); }
.evidence-boundary { border-left: .35rem solid var(--accent); background: var(--soft); }
fieldset { margin: .75rem 0; border: 1px solid var(--line); border-radius: .5rem; padding: .9rem; }
legend { padding: 0 .3rem; font-weight: 650; }
fieldset label { display: block; margin: .55rem 0; }
input, textarea, button { font: inherit; }
textarea { display: block; width: 100%; margin-top: .45rem; resize: vertical; border: 1px solid #94a3b8; border-radius: .4rem; padding: .65rem; }
textarea:focus, input:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid #f59e0b; outline-offset: 2px; }
button { margin-top: .5rem; padding: .7rem 1rem; border: 0; border-radius: .45rem; color: #fff; background: var(--accent); font-weight: 700; cursor: pointer; }
button:hover:not(:disabled) { background: var(--accent-hover); }
button:disabled { cursor: not-allowed; opacity: .65; }
.secondary-button { background: #475569; margin-left: .5rem; }
.rating-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.rating-options { display: flex; flex-wrap: wrap; gap: .25rem .65rem; }
.rating-options label { display: inline-flex; align-items: center; gap: .2rem; }
.benchmark-values { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.benchmark-values div { padding: .7rem; background: var(--soft); border-radius: .4rem; }
dt { color: var(--muted); font-size: .9rem; }
dd { margin: .2rem 0 0; font-size: 1.1rem; font-weight: 750; }
.status-message { min-height: 1.5rem; color: var(--warning); font-weight: 600; }
.actions { margin: 1.25rem 0; }
.summary-block { margin-top: 1rem; padding-top: .8rem; border-top: 1px solid var(--line); }
.summary-list { margin: .4rem 0; padding-left: 1.2rem; }
summary { cursor: pointer; color: var(--accent); font-weight: 700; }
.error-panel { color: #7f1d1d; }

@media (max-width: 620px) {
  .page-shell { width: min(100% - 1.2rem, 860px); padding-top: 1.2rem; }
  .rating-grid, .benchmark-values { grid-template-columns: 1fr; }
  .secondary-button { margin-left: 0; display: block; }
}