/* Sigvara — shared stylesheet. Tokens and rules follow docs/brand.md. */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* brand tokens */
  --sig-bg: #090b16;
  --sig-bg-soft: #0f1221;
  --sig-surface: #121629;
  --sig-surface-raised: #181c31;
  --sig-text: #f5f7ff;
  --sig-text-soft: #c4cbe0;
  --sig-text-muted: #9ca5bf;
  --sig-text-faint: #6d7691;
  --sig-violet: #9b7cff;
  --sig-violet-bright: #b8a5ff;
  --sig-violet-pale: #d7cfff;
  --sig-cyan: #6fe5ea;
  --sig-mint: #a3f1c6;
  --sig-orange: #ffbf7a;
  --sig-danger: #ff8585;
  --sig-line: rgba(154, 166, 220, 0.15);
  --sig-line-strong: rgba(154, 166, 220, 0.28);
  --sig-gradient-signal: linear-gradient(110deg, #c5b7ff 5%, #9b7cff 47%, #6fe5ea 100%);
  --sig-gradient-action: linear-gradient(135deg, #c5b7ff, #8f71ff);
  --sig-font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --sig-font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sig-space-1: 4px; --sig-space-2: 8px; --sig-space-3: 12px; --sig-space-4: 16px;
  --sig-space-5: 20px; --sig-space-6: 24px; --sig-space-7: 32px; --sig-space-8: 40px;
  --sig-space-9: 48px; --sig-space-10: 64px; --sig-space-11: 88px;

  /* legacy aliases so older markup keeps resolving */
  --bg: var(--sig-bg);
  --surface: var(--sig-surface);
  --surface2: var(--sig-surface-raised);
  --border: var(--sig-line);
  --accent: var(--sig-violet);
  --accent2: var(--sig-cyan);
  --text: var(--sig-text);
  --muted: var(--sig-text-muted);
  --muted2: var(--sig-text-faint);
  --code-bg: var(--sig-bg-soft);
  --green: var(--sig-mint);
  --red: var(--sig-danger);
  --amber: var(--sig-orange);
  --font-mono: var(--sig-font-mono);
  --font-sans: var(--sig-font-sans);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-card: 20px;
  --max-w: 1160px;
  --nav-h: 72px;
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  background:
    radial-gradient(900px 520px at 74% -10%, rgba(123, 93, 255, .20), transparent 66%),
    radial-gradient(700px 500px at -8% 34%, rgba(50, 157, 190, .10), transparent 64%),
    var(--sig-bg);
  color: var(--sig-text);
  font-family: var(--sig-font-sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: var(--sig-violet-bright); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--sig-text); text-decoration: underline; text-underline-offset: 3px; }
code { font-family: var(--sig-font-mono); font-size: 0.88em; background: var(--sig-bg-soft); border: 1px solid var(--sig-line); padding: 2px 6px; border-radius: 6px; color: var(--sig-text-soft); }
strong { color: var(--sig-text); font-weight: 600; }
.mono, [data-mono="true"] { font-family: var(--sig-font-mono); }

a:focus-visible, button:focus-visible, input:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid rgba(111, 229, 234, .55);
  outline-offset: 3px;
}

/* ── Layout ── */
.container { width: min(var(--max-w), calc(100% - 40px)); margin-inline: auto; }
.page-wrap { padding-top: var(--nav-h); }

/* ── Navigation ── */
nav {
  height: var(--nav-h);
  border-bottom: 1px solid var(--sig-line);
  position: fixed;
  top: 0; left: 0; right: 0;
  background: rgba(9, 11, 22, .82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 200;
}
.nav-inner {
  width: min(var(--max-w), calc(100% - 40px));
  margin-inline: auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sig-space-6);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--sig-text);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -.02em;
  white-space: nowrap;
  text-decoration: none;
}
.logo:hover { text-decoration: none; color: var(--sig-text); }
.logo .brand-mark { width: 34px; height: 34px; filter: drop-shadow(0 0 18px rgba(155, 124, 255, .34)); }
.logo .dot, .logo span.accent { color: var(--sig-violet-bright); }
.nav-links { list-style: none; display: flex; align-items: center; gap: var(--sig-space-2); }
.nav-links a {
  color: var(--sig-text-muted);
  font-size: 13px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: color .2s ease, background .2s ease;
}
.nav-links a:hover { color: var(--sig-text); background: rgba(255, 255, 255, .04); text-decoration: none; }
.nav-links a.active { color: var(--sig-violet-bright); }
.nav-links .nav-cta {
  color: var(--sig-text);
  border: 1px solid var(--sig-line-strong);
  background: rgba(255, 255, 255, .035);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
}
.nav-links .nav-cta:hover { border-color: var(--sig-violet); background: rgba(155, 124, 255, .09); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  padding: 13px 18px;
  border-radius: 11px;
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  font-family: inherit;
  transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; }
.btn-primary { color: #0b0c18; background: var(--sig-gradient-action); box-shadow: 0 10px 30px rgba(139, 106, 255, .24); }
.btn-primary:hover { color: #0b0c18; }
.btn-secondary { color: var(--sig-text); border-color: var(--sig-line-strong); background: rgba(255, 255, 255, .035); }
.btn-secondary:hover { border-color: var(--sig-violet); background: rgba(155, 124, 255, .09); color: var(--sig-text); }
.btn-ghost { color: var(--sig-text-muted); padding: 11px 0; min-height: 0; }
.btn-ghost:hover { color: var(--sig-text); transform: none; }
.btn-sm { min-height: 36px; padding: 7px 14px; font-size: 13px; }
.btn[disabled] { opacity: .45; pointer-events: none; }

/* ── Typography ── */
h1 { font-size: clamp(34px, 5vw, 56px); font-weight: 750; line-height: 1.05; letter-spacing: -.055em; }
h2 { font-size: clamp(26px, 3vw, 34px); font-weight: 700; letter-spacing: -.045em; line-height: 1.15; margin-bottom: 10px; }
h3 { font-size: 17px; font-weight: 700; letter-spacing: -.02em; margin-bottom: 6px; }
h4 { font-size: 14px; font-weight: 600; color: var(--sig-text); margin: 28px 0 10px; }
.gradient-text {
  color: var(--sig-violet-bright);
  background: var(--sig-gradient-signal);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-label {
  display: inline-block;
  font-family: var(--sig-font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--sig-violet-bright);
  background: rgba(155, 124, 255, .10);
  border: 1px solid rgba(155, 124, 255, .25);
  padding: 4px 11px;
  border-radius: 999px;
  margin-bottom: var(--sig-space-4);
}
.lead { font-size: clamp(17px, 2vw, 20px); color: var(--sig-text-soft); line-height: 1.6; max-width: 640px; }
.section-lead { color: var(--sig-text-muted); margin-bottom: var(--sig-space-8); max-width: 620px; font-size: 15px; }

/* ── Cards ── */
.card {
  border: 1px solid var(--sig-line);
  border-radius: var(--radius-card);
  background: linear-gradient(145deg, rgba(24, 28, 49, .78), rgba(14, 17, 30, .65));
  padding: var(--sig-space-6);
  transition: border-color .2s ease;
}
.card:hover { border-color: var(--sig-line-strong); }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }

/* ── Code blocks ── */
pre {
  background: var(--sig-bg-soft);
  border: 1px solid var(--sig-line);
  border-radius: 10px;
  padding: 14px 16px;
  overflow-x: auto;
  font-family: var(--sig-font-mono);
  font-size: 13px;
  line-height: 1.65;
  color: var(--sig-text-soft);
  margin-bottom: var(--sig-space-4);
}
pre code { background: none; border: none; padding: 0; font-size: inherit; color: inherit; }
.kw  { color: var(--sig-violet-bright); }
.fn  { color: var(--sig-cyan); }
.str { color: var(--sig-mint); }
.cm  { color: var(--sig-text-faint); }
.num { color: var(--sig-orange); }

/* ── Badge / Tag ── */
.badge {
  display: inline-block;
  background: rgba(111, 229, 234, .08);
  border: 1px solid rgba(111, 229, 234, .28);
  color: var(--sig-cyan);
  font-size: 11px;
  font-weight: 600;
  font-family: var(--sig-font-mono);
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: .08em;
}
.tag { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 600; font-family: var(--sig-font-mono); letter-spacing: .04em; padding: 3px 9px; border-radius: 999px; }
.tag-green { background: rgba(163, 241, 198, .10); color: var(--sig-mint);   border: 1px solid rgba(163, 241, 198, .25); }
.tag-red   { background: rgba(255, 133, 133, .10); color: var(--sig-danger); border: 1px solid rgba(255, 133, 133, .25); }
.tag-amber { background: rgba(255, 191, 122, .10); color: var(--sig-orange); border: 1px solid rgba(255, 191, 122, .25); }
.tag-blue  { background: rgba(111, 229, 234, .08); color: var(--sig-cyan);   border: 1px solid rgba(111, 229, 234, .25); }
.pill-ok { color: var(--sig-mint); } .pill-warn { color: var(--sig-orange); } .pill-err { color: var(--sig-danger); }

/* ── Status ── */
.status { display: inline-flex; align-items: center; gap: 8px; color: var(--sig-text-muted); font-size: 13px; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--sig-cyan); box-shadow: 0 0 0 5px rgba(111, 229, 234, .10), 0 0 24px rgba(111, 229, 234, .65); }

/* ── Divider ── */
.divider { border: none; border-top: 1px solid var(--sig-line); margin: 0; }

/* ── Callout ── */
.callout {
  background: rgba(155, 124, 255, .06);
  border: 1px solid rgba(155, 124, 255, .22);
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 14px;
  color: var(--sig-text-muted);
  margin-bottom: var(--sig-space-5);
}
.callout strong { color: var(--sig-violet-bright); }

/* ── Tables ── */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
  background: var(--sig-surface);
  border: 1px solid var(--sig-line);
  border-radius: 12px;
  overflow: hidden;
}
.data-table th {
  text-align: left;
  padding: 11px 16px;
  color: var(--sig-text-muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .1em;
  border-bottom: 1px solid var(--sig-line);
  background: rgba(15, 18, 33, .8);
}
.data-table td { padding: 12px 16px; border-bottom: 1px solid var(--sig-line); vertical-align: middle; }
.data-table tr:last-child td { border-bottom: none; }
.data-table td.mono { font-family: var(--sig-font-mono); font-size: 12.5px; color: var(--sig-text-soft); }
.data-table td.addr { font-family: var(--sig-font-mono); font-size: 12.5px; color: var(--sig-text-muted); }

/* ── Footer ── */
footer { border-top: 1px solid var(--sig-line); padding: var(--sig-space-7) 0; margin-top: var(--sig-space-11); }
.footer-inner {
  width: min(var(--max-w), calc(100% - 40px));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sig-space-4);
}
.footer-left { font-size: 13px; color: var(--sig-text-muted); }
.footer-left a { color: var(--sig-text-muted); }
.footer-left a:hover { color: var(--sig-text); text-decoration: none; }
.footer-links { display: flex; gap: var(--sig-space-5); flex-wrap: wrap; }
.footer-links a { font-size: 13px; color: var(--sig-text-muted); }
.footer-links a:hover { color: var(--sig-text); text-decoration: none; }

/* ── Docs layout ── */
.docs-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: var(--sig-space-9); padding-top: var(--sig-space-9); }
.docs-sidebar { position: sticky; top: calc(var(--nav-h) + 24px); height: fit-content; }
.docs-sidebar nav { position: static; background: none; border: none; height: auto; backdrop-filter: none; }
.sidebar-section { margin-bottom: 28px; }
.sidebar-label { font-size: 11px; font-weight: 600; font-family: var(--sig-font-mono); text-transform: uppercase; letter-spacing: .12em; color: var(--sig-text-faint); margin-bottom: 8px; padding: 0 8px; }
.sidebar-links { list-style: none; display: flex; flex-direction: column; gap: 2px; }
.sidebar-links a { font-size: 13.5px; color: var(--sig-text-muted); padding: 6px 8px; border-radius: var(--radius-sm); display: block; }
.sidebar-links a:hover { color: var(--sig-text); background: rgba(255, 255, 255, .04); text-decoration: none; }
.sidebar-links a.active { color: var(--sig-violet-bright); background: rgba(155, 124, 255, .08); }
.docs-content { min-width: 0; max-width: 760px; padding-bottom: var(--sig-space-11); }
.docs-content h2 { margin-top: var(--sig-space-9); margin-bottom: 12px; }
.docs-content h2:first-child { margin-top: 0; }
.docs-content h3 { margin-top: var(--sig-space-7); margin-bottom: 10px; }
.docs-content p { color: var(--sig-text-muted); margin-bottom: var(--sig-space-4); font-size: 15px; }
.docs-content ul, .docs-content ol { color: var(--sig-text-muted); font-size: 15px; padding-left: 20px; margin-bottom: var(--sig-space-4); }
.docs-content li { margin-bottom: 6px; }

/* ── Reputation bars ── */
.rep-factors { display: flex; flex-direction: column; gap: 10px; }
.rep-factor { display: flex; align-items: center; gap: 14px; background: var(--sig-surface); border: 1px solid var(--sig-line); border-radius: 12px; padding: 14px 16px; }
.rep-bar-wrap { flex: 1; }
.rep-label { font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.rep-bar { height: 5px; background: #242841; border-radius: 999px; overflow: hidden; }
.rep-bar-fill { height: 100%; background: var(--sig-gradient-signal); border-radius: inherit; }
.rep-pts { font-family: var(--sig-font-mono); font-size: 12px; color: var(--sig-text-muted); white-space: nowrap; }

/* ── Roadmap ── */
.roadmap { display: flex; flex-direction: column; }
.roadmap-item { display: flex; gap: var(--sig-space-5); padding: var(--sig-space-5) 0; border-bottom: 1px solid var(--sig-line); }
.roadmap-item:last-child { border-bottom: none; }
.roadmap-phase { height: fit-content; white-space: nowrap; margin-top: 3px; }
.roadmap-item p { font-size: 14px; color: var(--sig-text-muted); margin: 4px 0 0; }

/* ── Quickstart steps ── */
.qs-step { padding: var(--sig-space-6) 0; border-bottom: 1px solid var(--sig-line); }
.qs-step:last-child { border-bottom: none; }
.qs-header { display: flex; gap: var(--sig-space-4); align-items: flex-start; margin-bottom: 10px; }
.qs-num { font-family: var(--sig-font-mono); font-size: 12px; font-weight: 600; color: var(--sig-violet-bright); background: rgba(155, 124, 255, .10); border: 1px solid rgba(155, 124, 255, .25); border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.qs-header h3 { font-size: 15px; font-weight: 700; margin: 4px 0 0; }
.qs-body { padding-left: 44px; }
.qs-body p { font-size: 14px; color: var(--sig-text-muted); margin-bottom: 12px; }

/* ── Sealed packet ── */
.sealed-packet { background: var(--sig-bg-soft); border: 1px solid var(--sig-line); border-radius: 10px; padding: 16px; font-family: var(--sig-font-mono); font-size: 13px; line-height: 1.7; color: var(--sig-text-soft); }
.sp-key { color: var(--sig-violet-bright); }
.sp-str { color: var(--sig-mint); }
.sp-num { color: var(--sig-orange); }
.sp-bool-t { color: var(--sig-cyan); }
.sp-lock { color: var(--sig-text-muted); font-size: 11px; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--sig-line); }

/* ── Forms (fee app) ── */
input[type="text"] {
  flex: 1;
  min-width: 220px;
  background: var(--sig-bg-soft);
  border: 1px solid var(--sig-line);
  border-radius: 10px;
  padding: 11px 12px;
  color: var(--sig-text);
  font-family: var(--sig-font-mono);
  font-size: 13px;
  min-height: 44px;
}
input[type="text"]:focus { outline: none; border-color: var(--sig-violet); box-shadow: 0 0 0 3px rgba(155, 124, 255, .18); }

/* ── Motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ── Responsive ── */
@media (max-width: 860px) {
  .docs-layout { grid-template-columns: 1fr; gap: var(--sig-space-6); }
  .docs-sidebar { display: none; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  footer { margin-top: var(--sig-space-10); }
}
@media (max-width: 650px) {
  .container, .nav-inner, .footer-inner { width: min(100% - 30px, 560px); }
  .nav-links li:not(.nav-keep) { display: none; }
  .nav-links li.nav-keep { display: list-item; }
  .logo { font-size: 16px; }
  h1 { font-size: clamp(30px, 10vw, 40px); }
}

/* Utility classes: former inline style attributes, removed so the CSP can drop 'unsafe-inline'. */
.u-muted-13 { color: var(--muted); font-size: 13px; }
.u-mono-13 { font-family: var(--font-mono); font-size: 13px; color: var(--muted); }
.u-mb-8 { margin-bottom: 8px; } .u-mb-6 { margin-bottom: 6px; } .u-mb-32 { margin-bottom: 32px; }
.u-mt-48 { margin-top: 48px; } .u-mt-16 { margin-top: 16px; } .u-mt-12 { margin-top: 12px; }
.u-text { color: var(--text); } .u-hidden { display: none !important; } .u-minw-0 { min-width: 0; }
.u-block-link { display: block; text-decoration: none; }
.u-step-kicker { font-size: 13px; color: var(--accent2); font-family: var(--font-mono); margin-bottom: 8px; }
.u-note { font-size: 13px; color: var(--muted); margin: 0; }
.u-lh-19 { line-height: 1.9; margin-bottom: 8px; }
.u-muted-12-light { color: var(--muted); font-weight: 400; font-size: 12px; }
.u-list-muted { color: var(--muted); font-size: 15px; padding-left: 20px; margin-bottom: 24px; }
.u-h1-28 { font-size: 28px; margin-bottom: 4px; } .u-fs-12 { font-size: 12px; }
.btn-inline-sm { padding: 4px 10px; font-size: 12.5px; margin-left: 8px; }
.w-30 { width: 30%; } .w-25 { width: 25%; } .w-20 { width: 20%; } .w-15 { width: 15%; } .w-5 { width: 5%; }