/* PhraseReplay Trust Center design system.
   Static, self-hosted, and intentionally free of remote fonts/assets. */

:root {
  color-scheme: light;
  --trust-canvas: #f7f8fb;
  --trust-surface: #ffffff;
  --trust-surface-soft: #f0f3f8;
  --trust-ink: #152238;
  --trust-ink-soft: #40516a;
  --trust-muted: #687991;
  --trust-faint: #8c9ab0;
  --trust-line: #dbe2ec;
  --trust-line-strong: #c7d2e0;
  --trust-coral: #e85d4a;
  --trust-coral-deep: #b33f36;
  --trust-blue: #3e70c9;
  --trust-green: #187b67;
  --trust-yellow: #9a6a1d;
  --trust-shadow: 0 18px 54px rgba(26, 44, 71, .09);
  --trust-shadow-soft: 0 8px 24px rgba(26, 44, 71, .06);
  --trust-radius: 20px;
  --trust-prose: 72ch;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --trust-canvas: #101724;
  --trust-surface: #172131;
  --trust-surface-soft: #1d2a3d;
  --trust-ink: #eef4fb;
  --trust-ink-soft: #c5d1e0;
  --trust-muted: #9cacbf;
  --trust-faint: #7e90a8;
  --trust-line: #2b3a4f;
  --trust-line-strong: #3b4d65;
  --trust-coral: #ff856f;
  --trust-coral-deep: #ffad9c;
  --trust-blue: #91b7ff;
  --trust-green: #70d3bd;
  --trust-yellow: #f1ca7e;
  --trust-shadow: 0 18px 54px rgba(0, 0, 0, .24);
  --trust-shadow-soft: 0 8px 24px rgba(0, 0, 0, .17);
}

@media (prefers-color-scheme: dark) {
  :root[data-theme="system"] {
    --trust-canvas: #101724;
    --trust-surface: #172131;
    --trust-surface-soft: #1d2a3d;
    --trust-ink: #eef4fb;
    --trust-ink-soft: #c5d1e0;
    --trust-muted: #9cacbf;
    --trust-faint: #7e90a8;
    --trust-line: #2b3a4f;
    --trust-line-strong: #3b4d65;
    --trust-coral: #ff856f;
    --trust-coral-deep: #ffad9c;
    --trust-blue: #91b7ff;
    --trust-green: #70d3bd;
    --trust-yellow: #f1ca7e;
    --trust-shadow: 0 18px 54px rgba(0, 0, 0, .24);
    --trust-shadow-soft: 0 8px 24px rgba(0, 0, 0, .17);
  }
}

* { box-sizing: border-box; }

html {
  background: var(--trust-canvas);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 6% 0%, color-mix(in srgb, var(--trust-coral) 8%, transparent), transparent 27rem),
    var(--trust-canvas);
  color: var(--trust-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.68;
  text-rendering: optimizeLegibility;
}

::selection { background: color-mix(in srgb, var(--trust-coral) 25%, transparent); }

a {
  color: var(--trust-blue);
  text-decoration-thickness: .08em;
  text-underline-offset: .18em;
}

a:hover { color: var(--trust-coral-deep); }

a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--trust-blue) 58%, transparent);
  outline-offset: 3px;
}

button,
input,
select,
textarea { font: inherit; }

button { cursor: pointer; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  transform: translateY(-180%);
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--trust-ink);
  color: var(--trust-surface);
  font-weight: 700;
}

.skip-link:focus { transform: translateY(0); }

.trust-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid color-mix(in srgb, var(--trust-line) 85%, transparent);
  background: color-mix(in srgb, var(--trust-canvas) 88%, transparent);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.trust-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.trust-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
}

.trust-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--trust-ink);
  font-weight: 800;
  letter-spacing: -.03em;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 11px;
  background: linear-gradient(145deg, var(--trust-coral), #f39a79);
  color: #fff;
  box-shadow: 0 7px 16px color-mix(in srgb, var(--trust-coral) 25%, transparent);
  font-size: 15px;
  font-weight: 900;
}

.brand-copy { font-size: 16px; }
.brand-copy small { display: block; color: var(--trust-muted); font-size: 10px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }

.trust-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.trust-nav a {
  color: var(--trust-muted);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.trust-nav a:hover,
.trust-nav a[aria-current="page"] { color: var(--trust-ink); }

.trust-tools { display: flex; align-items: center; gap: 8px; }

.theme-button,
.quiet-button {
  min-height: 40px;
  border: 1px solid var(--trust-line);
  border-radius: 12px;
  background: var(--trust-surface);
  color: var(--trust-ink-soft);
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 750;
}

.theme-button:hover,
.quiet-button:hover { border-color: var(--trust-coral); color: var(--trust-coral-deep); }

.trust-main { padding: 68px 0 100px; }

.trust-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(270px, 360px);
  align-items: end;
  gap: 48px;
  margin-bottom: 42px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--trust-coral-deep);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1, h2, h3, h4 {
  margin: 0;
  color: var(--trust-ink);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 600;
  letter-spacing: -.035em;
  line-height: 1.15;
}

h1 { max-width: 13ch; font-size: clamp(46px, 7vw, 84px); }
h2 { margin-top: 58px; font-size: clamp(28px, 4vw, 42px); scroll-margin-top: 106px; }
h3 { margin-top: 32px; font-size: 25px; scroll-margin-top: 106px; }
h4 { margin-top: 24px; font-family: inherit; font-size: 17px; letter-spacing: -.01em; }

.hero-lede {
  max-width: 63ch;
  margin: 22px 0 0;
  color: var(--trust-ink-soft);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.6;
}

.hero-card,
.trust-card,
.callout,
.faq-item,
.form-card {
  border: 1px solid var(--trust-line);
  border-radius: var(--trust-radius);
  background: color-mix(in srgb, var(--trust-surface) 94%, transparent);
  box-shadow: var(--trust-shadow-soft);
}

.hero-card { padding: 24px; }

.hero-card-label,
.card-label {
  margin: 0 0 15px;
  color: var(--trust-muted);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.hero-card strong { display: block; margin-bottom: 8px; font-size: 19px; }
.hero-card p { margin: 0; color: var(--trust-ink-soft); font-size: 14px; }

.published-badge,
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid color-mix(in srgb, var(--trust-yellow) 45%, var(--trust-line));
  border-radius: 999px;
  background: color-mix(in srgb, var(--trust-yellow) 11%, var(--trust-surface));
  color: var(--trust-yellow);
  padding: 6px 10px;
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.published-badge::before,
.status-badge::before { width: 7px; height: 7px; border-radius: 50%; background: currentColor; content: ""; }

.doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 22px;
  color: var(--trust-muted);
  font-size: 12px;
}

.doc-meta strong { color: var(--trust-ink-soft); }

.trust-layout {
  display: grid;
  grid-template-columns: 212px minmax(0, 1fr);
  align-items: start;
  gap: 52px;
}

.trust-toc {
  position: sticky;
  top: 102px;
  max-height: calc(100vh - 124px);
  overflow: auto;
  padding: 4px 0 10px;
}

.trust-toc p { margin: 0 0 12px; color: var(--trust-faint); font-size: 10px; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.trust-toc a { display: block; border-left: 2px solid transparent; padding: 6px 0 6px 13px; color: var(--trust-muted); font-size: 12px; line-height: 1.45; text-decoration: none; }
.trust-toc a:hover, .trust-toc a[aria-current="true"] { border-color: var(--trust-coral); color: var(--trust-ink); }

.trust-content { min-width: 0; }
.trust-content > p,
.trust-content > ul,
.trust-content > ol,
.trust-content > h2,
.trust-content > h3,
.trust-content > h4,
.trust-content > .section-kicker,
.trust-content > .anchor-row { max-width: var(--trust-prose); }

.trust-content p { margin: 16px 0; color: var(--trust-ink-soft); }
.trust-content ul, .trust-content ol { margin: 16px 0 20px; padding-left: 23px; color: var(--trust-ink-soft); }
.trust-content li { margin: 8px 0; padding-left: 4px; }
.trust-content strong { color: var(--trust-ink); }

.section-kicker { margin: 48px 0 0; color: var(--trust-coral-deep); font-size: 11px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.anchor-row { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 23px; }
.anchor-row a { display: inline-flex; min-height: 38px; align-items: center; border: 1px solid var(--trust-line); border-radius: 999px; padding: 7px 13px; background: var(--trust-surface); font-size: 12px; font-weight: 750; text-decoration: none; }

.summary-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 26px 0 34px; }
.trust-card { min-height: 155px; padding: 18px; }
.trust-card .card-icon { color: var(--trust-coral); font-size: 22px; }
.trust-card h3 { margin: 13px 0 8px; font-family: inherit; font-size: 15px; letter-spacing: -.01em; }
.trust-card p { margin: 0; font-size: 13px; line-height: 1.52; }

.lifecycle-panel {
  margin: 36px 0 12px;
  border: 1px solid var(--trust-line);
  border-radius: var(--trust-radius);
  background: linear-gradient(135deg, color-mix(in srgb, var(--trust-surface) 92%, var(--trust-blue) 8%), var(--trust-surface));
  padding: 24px;
  box-shadow: var(--trust-shadow-soft);
}
.lifecycle-panel .section-kicker { margin-top: 0; }
.lifecycle-panel h3 { margin: 5px 0 8px; font-family: Georgia, "Times New Roman", serif; font-size: 28px; }
.lifecycle-intro { max-width: 72ch; margin: 0 0 22px !important; font-size: 14px; }
.lifecycle-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 0; padding: 0; list-style: none; counter-reset: none; }
.lifecycle-step { min-height: 145px; border: 1px solid var(--trust-line); border-radius: 15px; background: color-mix(in srgb, var(--trust-surface) 88%, transparent); padding: 15px; }
.lifecycle-index { display: block; margin-bottom: 13px; color: var(--trust-coral-deep); font-size: 11px; font-weight: 850; letter-spacing: .1em; }
.lifecycle-step strong { display: block; margin-bottom: 7px; color: var(--trust-ink); font-size: 15px; }
.lifecycle-step span:last-child { display: block; color: var(--trust-muted); font-size: 12px; line-height: 1.5; }

.callout { margin: 25px 0; padding: 20px 22px; box-shadow: none; }
.callout-warning { border-color: color-mix(in srgb, var(--trust-yellow) 38%, var(--trust-line)); background: color-mix(in srgb, var(--trust-yellow) 8%, var(--trust-surface)); }
.callout-info { border-color: color-mix(in srgb, var(--trust-blue) 32%, var(--trust-line)); background: color-mix(in srgb, var(--trust-blue) 7%, var(--trust-surface)); }
.callout-success { border-color: color-mix(in srgb, var(--trust-green) 32%, var(--trust-line)); background: color-mix(in srgb, var(--trust-green) 7%, var(--trust-surface)); }
.callout h3 { margin: 0 0 8px; font-family: inherit; font-size: 16px; letter-spacing: -.01em; }
.callout p { margin: 7px 0; font-size: 14px; }
.placeholder { color: var(--trust-yellow); font-weight: 800; }

.trust-table-wrap { max-width: 100%; margin: 24px 0; overflow-x: auto; border: 1px solid var(--trust-line); border-radius: 16px; background: var(--trust-surface); box-shadow: var(--trust-shadow-soft); }
.trust-table { width: 100%; min-width: 650px; border-collapse: collapse; font-size: 13px; }
.trust-table th, .trust-table td { padding: 14px 16px; border-bottom: 1px solid var(--trust-line); text-align: left; vertical-align: top; }
.trust-table th { background: var(--trust-surface-soft); color: var(--trust-ink); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; }
.trust-table td { color: var(--trust-ink-soft); }
.trust-table tr:last-child td { border-bottom: 0; }

.version-history { margin: 26px 0; border-top: 1px solid var(--trust-line); border-bottom: 1px solid var(--trust-line); }
.version-history summary { display: flex; cursor: pointer; justify-content: space-between; gap: 12px; padding: 16px 0; color: var(--trust-ink); font-weight: 800; }
.version-history summary::after { color: var(--trust-coral); content: "+"; font-size: 20px; line-height: 1; }
.version-history[open] summary::after { content: "−"; }
.version-history p { padding-bottom: 16px; font-size: 14px; }

.trust-footer { border-top: 1px solid var(--trust-line); padding: 30px 0 44px; }
.trust-footer-inner { display: flex; align-items: flex-start; justify-content: space-between; gap: 30px; }
.trust-footer p { margin: 0; color: var(--trust-muted); font-size: 12px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 13px 20px; }
.footer-links a { font-size: 12px; font-weight: 750; }

/* Support */
.support-hero { margin-bottom: 42px; }
.support-hero h1 { max-width: 11ch; }
.support-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 13px; margin: 28px 0 40px; }
.support-link-card { display: block; min-height: 150px; padding: 20px; color: inherit; text-decoration: none; }
.support-link-card:hover { border-color: var(--trust-coral); transform: translateY(-2px); }
.support-link-card h3 { margin: 25px 0 7px; font-family: inherit; font-size: 16px; letter-spacing: -.01em; }
.support-link-card p { margin: 0; color: var(--trust-muted); font-size: 13px; line-height: 1.5; }
.faq-list { display: grid; gap: 10px; max-width: var(--trust-prose); }
.faq-item { overflow: hidden; box-shadow: none; }
.faq-item summary { cursor: pointer; list-style: none; padding: 18px 20px; color: var(--trust-ink); font-weight: 800; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { float: right; color: var(--trust-coral); content: "+"; font-size: 20px; line-height: 1; }
.faq-item[open] summary::after { content: "−"; }
.faq-answer { padding: 0 20px 18px; }
.faq-answer p { margin: 0; font-size: 14px; }
.form-card { max-width: 760px; margin-top: 26px; padding: 26px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.form-group { margin: 0 0 17px; }
.form-group-full { grid-column: 1 / -1; }
.form-group label { display: block; margin-bottom: 7px; color: var(--trust-ink); font-size: 13px; font-weight: 800; }
.optional { color: var(--trust-muted); font-weight: 500; }
.form-group input, .form-group select, .form-group textarea { width: 100%; border: 1px solid var(--trust-line-strong); border-radius: 12px; background: var(--trust-surface); color: var(--trust-ink); padding: 11px 13px; }
.form-group textarea { min-height: 154px; resize: vertical; }
.form-hint { margin: 0 0 17px; color: var(--trust-muted); font-size: 12px; line-height: 1.55; }
.form-submit { min-height: 46px; border: 0; border-radius: 12px; background: var(--trust-coral); color: #fff; padding: 11px 18px; font-weight: 850; }
.form-submit:hover { background: var(--trust-coral-deep); }
.form-submit:disabled { cursor: wait; opacity: .65; }
.form-alert { display: none; margin-bottom: 18px; border-radius: 12px; padding: 13px 15px; font-size: 13px; }
.form-alert.is-visible { display: block; }
.form-alert-success { border: 1px solid color-mix(in srgb, var(--trust-green) 35%, var(--trust-line)); background: color-mix(in srgb, var(--trust-green) 8%, var(--trust-surface)); color: var(--trust-green); }
.form-alert-error { border: 1px solid color-mix(in srgb, var(--trust-coral) 35%, var(--trust-line)); background: color-mix(in srgb, var(--trust-coral) 8%, var(--trust-surface)); color: var(--trust-coral-deep); }
.honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

@media (prefers-reduced-motion: no-preference) {
  .trust-main { animation: trust-in .45s ease both; }
  .support-link-card { transition: transform .18s ease, border-color .18s ease; }
  @keyframes trust-in { from { opacity: .7; transform: translateY(8px); } to { opacity: 1; transform: none; } }
}

@media (max-width: 900px) {
  .trust-hero { grid-template-columns: 1fr; gap: 25px; }
  .trust-layout { grid-template-columns: 1fr; gap: 26px; }
  .trust-toc { position: static; max-height: none; overflow: visible; border: 1px solid var(--trust-line); border-radius: 14px; padding: 14px 16px; background: var(--trust-surface); }
  .trust-toc p { margin-bottom: 7px; }
  .trust-toc a { display: inline-block; border-left: 0; padding: 5px 12px 5px 0; margin-right: 10px; }
  .trust-toc a[aria-current="true"] { color: var(--trust-coral-deep); }
  .summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lifecycle-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .trust-shell { width: min(100% - 28px, 1180px); }
  .trust-header-inner { min-height: 68px; gap: 10px; }
  .trust-nav { order: 3; width: 100%; gap: 16px; overflow-x: auto; padding: 0 0 10px; }
  .trust-header-inner { flex-wrap: wrap; }
  .trust-tools { margin-left: auto; }
  .trust-main { padding: 42px 0 68px; }
  h1 { font-size: clamp(44px, 15vw, 64px); }
  h2 { margin-top: 42px; }
  .summary-grid, .support-grid, .form-grid, .lifecycle-grid { grid-template-columns: 1fr; }
  .trust-card { min-height: auto; }
  .form-group-full { grid-column: auto; }
  .form-card { padding: 19px; border-radius: 16px; }
  .trust-footer-inner { flex-direction: column; }
  .doc-meta { display: grid; gap: 8px; }
}

@media print {
  :root { color-scheme: light; --trust-canvas: #fff; --trust-surface: #fff; --trust-ink: #000; --trust-ink-soft: #222; --trust-muted: #555; --trust-line: #bbb; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .trust-header, .trust-toc, .theme-button, .quiet-button, .anchor-row, .support-grid, .form-card, .skip-link { display: none !important; }
  .trust-main { padding: 20px 0; }
  .trust-shell { width: 100%; }
  .trust-layout { display: block; }
  h1 { font-size: 36pt; }
  h2 { break-before: page; font-size: 22pt; }
  h3 { font-size: 16pt; }
  .trust-card, .callout, .trust-table-wrap, .faq-item { box-shadow: none; break-inside: avoid; }
  a { color: #000; text-decoration: underline; }
  .trust-footer { padding-bottom: 0; }
}