/* Neutral colours; the accent colour comes from /theme.css, generated from
   config.json. System fonts only: the CSP allows no external font. */
:root {
  --primary: rgb(78, 91, 166);
  --primary-hover: rgb(54, 63, 114);
  --primary-soft: rgba(78, 91, 166, 0.08);
  --primary-ring: rgba(78, 91, 166, 0.35);
  --link: rgb(78, 91, 166);
  --on-primary: #fff;
  --text: rgb(9, 9, 11);
  --muted: rgb(82, 82, 91);
  --subtle: rgb(113, 113, 122);
  --bg: rgb(250, 250, 250);
  --card: rgb(255, 255, 255);
  --surface: rgb(244, 244, 245);
  --border: rgb(228, 228, 231);
  --bar: rgba(250, 250, 250, 0.8);
  --error: rgb(211, 47, 47);
  --error-soft: rgba(211, 47, 47, 0.06);
  --success: rgb(46, 125, 50);
  --success-soft: rgba(46, 125, 50, 0.1);
  --shadow: 0 1px 2px rgba(9, 9, 11, 0.04), 0 8px 24px -12px rgba(9, 9, 11, 0.12);
  --radius: 14px;
  --radius-sm: 10px;
  --page: 44rem;
  --gutter: 1rem;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary: rgb(94, 107, 180);
    --primary-hover: rgb(110, 123, 196);
    --primary-soft: rgba(94, 107, 180, 0.14);
    --primary-ring: rgba(179, 184, 219, 0.45);
    --link: rgb(179, 184, 219);
    --text: rgb(250, 250, 250);
    --muted: rgb(190, 190, 198);
    --subtle: rgb(161, 161, 170);
    --bg: rgb(9, 9, 11);
    --card: rgb(18, 18, 21);
    --surface: rgb(24, 24, 27);
    --border: rgb(39, 39, 42);
    --bar: rgba(9, 9, 11, 0.75);
    --error: rgb(244, 107, 96);
    --error-soft: rgba(244, 107, 96, 0.08);
    --success: rgb(102, 187, 106);
    --success-soft: rgba(102, 187, 106, 0.12);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px -16px rgba(0, 0, 0, 0.6);
  }
}

*, *::before, *::after { box-sizing: border-box; }

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

/* Header, main and footer stack in a column; main takes the free space, so
   the footer sits at the bottom of short pages and after long ones. */
body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(60rem 24rem at 50% -8rem, var(--primary-soft), transparent 70%) no-repeat,
    var(--bg);
  color: var(--text);
  font: 400 1rem/1.65 var(--font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}
a:hover { text-decoration-thickness: 2px; }

code { font-family: var(--mono); font-size: 0.875em; }

/* Header and footer share the content column, so their edges line up with
   the card's. */

.bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: calc(var(--page) + 2 * var(--gutter));
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.top {
  position: sticky;
  top: 0;
  z-index: 10;
  flex: none;
  border-bottom: 1px solid var(--border);
  background: var(--bar);
  -webkit-backdrop-filter: saturate(1.5) blur(10px);
  backdrop-filter: saturate(1.5) blur(10px);
}
.top .bar { min-height: 3.75rem; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  font-weight: 650;
  letter-spacing: -0.01em;
  text-decoration: none;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 9px;
  background: var(--primary);
  color: var(--on-primary);
  font-size: 1rem;
  font-weight: 750;
}
.brand-logo {
  display: block;
  width: auto;
  height: 1.9rem;
}
/* One flex item for the name and the subtitle, so they share a baseline, and
   centred on the logo by their cap height rather than their line box: system
   fonts differ in how much space they leave above and below the letters, which
   left the text visibly higher than the logo on some of them. Browsers without
   text-box trimming fall back to the tighter line box. */
.brand-name {
  line-height: 1;
  text-box: trim-both cap alphabetic;
}
.brand small { margin-left: 0.35rem; color: var(--subtle); font-size: 0.875rem; font-weight: 500; }

.who {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
  color: var(--muted);
  font-size: 0.8125rem;
}
.who { margin: 0; }
.who button.link {
  min-height: 0;
  padding: 0 0 0 0.4rem;
  border: 0;
  border-left: 1px solid var(--border);
  border-radius: 0;
  background: none;
  box-shadow: none;
  color: var(--link);
  font-size: inherit;
  font-weight: 500;
}
.who button.link:hover { background: none; text-decoration: underline; }
.who::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--success);
}

main {
  flex: 1 0 auto;
  width: 100%;
  max-width: calc(var(--page) + 2 * var(--gutter));
  margin: 0 auto;
  padding: 2rem var(--gutter) 3rem;
}

footer {
  flex: none;
  border-top: 1px solid var(--border);
  color: var(--subtle);
  font-size: 0.8125rem;
}
footer .bar { min-height: 3.5rem; }
footer nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; }
footer a { color: inherit; text-decoration: none; }
footer a:hover { color: var(--text); text-decoration: underline; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1.25rem, 4vw, 2.25rem);
}
.card + .card { margin-top: 1rem; }

/* Type */

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--link);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 1.3rem + 2vw, 2.4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.125rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1rem; }

.lead {
  color: var(--muted);
  font-size: 1.0625rem;
  text-wrap: pretty;
}

.meta { color: var(--subtle); font-size: 0.8125rem; }
.meta a { color: inherit; }
.after-agreement { margin: 0.6rem 0 0; }

/* Steps */

.steps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.75rem;
  padding: 0;
  list-style: none;
  counter-reset: step;
  font-size: 0.8125rem;
}
.steps li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--subtle);
  counter-increment: step;
}
.steps li + li::before {
  content: "";
  width: 1.25rem;
  height: 1px;
  margin-right: 0.1rem;
  background: var(--border);
}
.steps li span::before {
  content: counter(step);
  display: inline-grid;
  place-items: center;
  width: 1.4rem;
  height: 1.4rem;
  margin-right: 0.4rem;
  border: 1px solid var(--border);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 600;
}
.steps .done span::before { content: "✓"; border-color: var(--primary); color: var(--link); }
.steps .current { color: var(--text); font-weight: 600; }
.steps .current span::before { border-color: var(--primary); background: var(--primary); color: var(--on-primary); }

/* The pull request a signer came from */

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1.1rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--link);
  font-size: 0.8125rem;
  font-weight: 550;
  text-decoration: none;
}
.chip::after { content: "↗"; font-size: 0.75rem; }

/* Agreement */

.agreement {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 1.25rem 1.5rem;
  font-size: 0.9375rem;
  overflow-wrap: anywhere;
}
.agreement.scroll {
  max-height: 22rem;
  overflow-y: auto;
  scrollbar-width: thin;
}
.agreement h1 { font-size: 1.375rem; margin-top: 0; }
.agreement h2 { font-size: 1.125rem; }
.agreement h3, .agreement h4 { font-size: 1rem; margin: 1.5rem 0 0.5rem; }
.agreement > :first-child { margin-top: 0; }
.agreement > :last-child { margin-bottom: 0; }

/* Buttons */

.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.75rem; }

.button, button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0.6rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: var(--on-primary);
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(9, 9, 11, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transition: background-color 0.15s ease, transform 0.05s ease;
}
.button:hover, button:hover { background: var(--primary-hover); }
.button:active, button:active { transform: translateY(1px); }
.button.secondary, button.secondary {
  border-color: var(--border);
  background: var(--card);
  color: var(--text);
  box-shadow: none;
}
.button.secondary:hover, button.secondary:hover { background: var(--surface); }
.button.wide, button.wide { width: 100%; }

:focus-visible {
  outline: 3px solid var(--primary-ring);
  outline-offset: 2px;
}

/* Forms */

form { margin-top: 1.75rem; }

.field { margin-top: 1.25rem; }

label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
}

input:not([type="radio"], [type="checkbox"]), select {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--text);
  font: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input:not([type="radio"], [type="checkbox"]):focus, select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-ring);
  outline: none;
}

input[type="radio"], input[type="checkbox"] {
  flex: none;
  width: 1.1rem;
  height: 1.1rem;
  margin: 0.2rem 0 0;
  accent-color: var(--primary);
}

fieldset { margin: 1.5rem 0 0; padding: 0; border: 0; min-width: 0; }
legend { margin-bottom: 0.5rem; padding: 0; font-size: 0.875rem; font-weight: 600; }

.options { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: 0.75rem; }

.option {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin: 0;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  cursor: pointer;
  font-weight: 400;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.option strong { display: block; font-size: 0.9375rem; font-weight: 600; }
.option small { display: block; color: var(--subtle); font-size: 0.8125rem; }
.option:hover { border-color: var(--primary-ring); }
.option:has(input:checked) { border-color: var(--primary); background: var(--primary-soft); }

/* The employer fields show only when "employer" is chosen; browsers without
   :has() keep them visible. */
.employer {
  margin-top: 1rem;
  padding: 1rem 1.1rem 1.1rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
}
.employer .field:first-child { margin-top: 0; }
@supports selector(:has(a)) {
  form:not(:has(input[value="employer"]:checked)) .employer { display: none; }
}

.agree {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  margin: 1.75rem 0;
  padding: 1rem;
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
}

.hint { margin: 0.5rem 0 0; color: var(--subtle); font-size: 0.8125rem; }

.notice { margin: 1rem 0 0; color: var(--subtle); font-size: 0.8125rem; text-align: center; }

/* Where the signed-in visitor stands: the answer they came for, so it reads
   as a result, not a footnote. */
.covered {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 0;
  padding: 0.75rem 1rem;
  border: 1px solid var(--primary-ring);
  border-radius: var(--radius-sm);
  background: var(--primary-soft);
}
.covered-icon {
  display: grid;
  flex: none;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--card);
  color: var(--link);
  font-weight: 700;
}
.covered.ok { border-color: var(--success); background: var(--success-soft); }
.covered.ok .covered-icon { color: var(--success); }

.errors {
  margin-bottom: 1.25rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--error);
  border-radius: var(--radius-sm);
  background: var(--error-soft);
  color: var(--error);
  font-size: 0.9375rem;
}
.errors ul { margin: 0; padding-left: 1.1rem; }

/* Result pages */

.result-icon {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  margin-bottom: 1.25rem;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--link);
  font-size: 1.4rem;
  font-weight: 700;
}
.result-icon.ok { background: var(--success-soft); color: var(--success); }
.result-icon.warn { background: var(--error-soft); color: var(--error); }

/* Admin table */

.table {
  margin-top: 1.5rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
th {
  background: var(--surface);
  color: var(--subtle);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-align: left;
  text-transform: uppercase;
}
th, td { padding: 0.7rem 0.85rem; border-bottom: 1px solid var(--border); vertical-align: middle; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
.row-actions { display: flex; gap: 0.5rem; }
.row-actions form { margin: 0; }
.row-actions button { min-height: 2.1rem; padding: 0.35rem 0.85rem; font-size: 0.8125rem; }

@media (max-width: 30rem) {
  main { padding-top: 1.25rem; }
  .steps { gap: 0.5rem 1rem; }
  .steps li + li::before { display: none; }
  .actions .button { width: 100%; }
  .brand small { display: none; }
}

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

/* Admin */

.card-title { margin-top: 0; font-size: 1.25rem; }
.notice-box {
  padding: 0.7rem 1rem;
  border: 1px solid var(--primary-ring);
  border-radius: var(--radius-sm);
  background: var(--primary-soft);
  font-size: 0.9375rem;
}
button:disabled { cursor: not-allowed; opacity: 0.5; }
button:disabled:hover { background: var(--primary); }