/* Pearl ID — Sign-in with Pearl. Dark luminous Pearl family, iris-violet identity. */
:root {
  --bg: #0a0a14;
  --bg2: #101022;
  --panel: #141428;
  --line: #2a2a4a;
  --txt: #eceaf7;
  --dim: #a9a6c9;
  --iris: #8b7bff;
  --iris-deep: #5b4bd6;
  --cyan: #67e8f9;
  --gold: #f5c66b;
  --ok: #4ade80;
  --warn: #fbbf24;
  --bad: #f87171;
  --radius: 14px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(1200px 600px at 50% -10%, #1b1440 0%, var(--bg) 55%) fixed, var(--bg);
  color: var(--txt);
  font-family: ui-sans-serif, system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
}
.top { text-align: center; padding: 42px 16px 10px; }
.seal {
  font-size: 44px; line-height: 1;
  color: var(--iris);
  text-shadow: 0 0 28px var(--iris-deep), 0 0 6px var(--cyan);
}
.top h1 { margin: 10px 0 4px; font-size: 40px; letter-spacing: 2px; }
.tagline { color: var(--dim); max-width: 640px; margin: 0 auto; }
.wrap { max-width: 980px; margin: 0 auto; padding: 16px; }
.limits {
  border: 1px solid var(--line); border-left: 4px solid var(--gold);
  background: linear-gradient(180deg, #17171f, #12121c);
  border-radius: var(--radius); padding: 14px 18px; margin: 14px 0 18px;
}
.limits h2 { margin: 0 0 8px; font-size: 15px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--gold); }
.limits ul { margin: 0; padding-left: 20px; color: var(--dim); font-size: 14px; }
.limits li { margin: 4px 0; }
.limits b { color: var(--txt); }
#tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 6px 0 16px; }
#tabs button {
  flex: 1 1 140px; padding: 12px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--bg2); color: var(--dim);
  font-size: 15px; cursor: pointer;
}
#tabs button.active {
  color: #fff; border-color: var(--iris);
  background: linear-gradient(180deg, #2a2456, #1b1740);
  box-shadow: 0 0 18px rgba(139, 123, 255, .35);
}
.layout { display: block; }
.maincol { min-width: 0; }
.tab { display: none; }
.tab.active { display: block; }
.panel {
  background: linear-gradient(180deg, var(--panel), #101024);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; margin-bottom: 18px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, .45);
}
.panel h2 { margin: 0 0 8px; font-size: 22px; }
.panel h3 { margin: 22px 0 8px; font-size: 17px; color: var(--cyan); }
.lede { color: var(--dim); margin: 0 0 16px; }
.lede b, .lede em { color: var(--txt); }
.btnrow { display: flex; gap: 10px; flex-wrap: wrap; margin: 12px 0; align-items: center; }
.btn {
  padding: 10px 18px; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--iris-deep); background: #221d4d; color: #fff; font-size: 15px;
}
.btn:hover { background: #2c2560; box-shadow: 0 0 14px rgba(139, 123, 255, .4); }
.btn.primary { background: linear-gradient(180deg, var(--iris), var(--iris-deep)); border-color: var(--iris); font-weight: 600; }
.btn.ghost { background: transparent; border-color: var(--line); color: var(--dim); }
.btn.danger { border-color: var(--bad); background: #3a1620; color: #ffb4b4; }
.btn:disabled { opacity: .45; cursor: not-allowed; box-shadow: none; }
.field { margin: 14px 0; }
.field label { display: block; margin-bottom: 6px; color: var(--dim); font-size: 14px; }
.field input[type="text"], .field textarea, .field select {
  width: 100%; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--line); background: #0c0c1a; color: var(--txt);
  font-size: 14px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.field textarea { min-height: 90px; resize: vertical; }
.hint { color: var(--dim); font-size: 13px; margin-top: 6px; }
.hint code { word-break: break-all; }
.alert { border-radius: 10px; padding: 10px 14px; margin: 12px 0; font-size: 14px; }
.alert.error { background: #3a1620; border: 1px solid var(--bad); color: #ffc9c9; }
.alert.ok { background: #0f2c1c; border: 1px solid var(--ok); color: #c9f5d8; }
.kv { display: grid; grid-template-columns: 220px 1fr; gap: 8px 14px; margin: 12px 0; font-size: 14px; }
.kv dt { color: var(--dim); }
.kv dd { margin: 0; word-break: break-all; }
.addr-row { display: flex; gap: 8px; align-items: center; }
.addr-row > input { min-width: 0; }
.addr-row code { flex: 1; min-width: 0; word-break: break-all; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; color: var(--cyan); }
.copy-btn {
  padding: 6px 12px; border-radius: 8px; cursor: pointer; white-space: nowrap;
  border: 1px solid var(--line); background: #1c1c34; color: var(--dim); font-size: 13px;
}
.copy-btn:hover { color: #fff; border-color: var(--iris); }
pre.code {
  background: #0a0a16; border: 1px solid var(--line); border-radius: 10px;
  padding: 14px; overflow-x: auto; font-size: 12.5px; line-height: 1.5;
  max-height: 420px; overflow-y: auto; white-space: pre-wrap; word-break: break-word;
}
.fp { font-size: 13px; color: var(--dim); font-weight: normal; }
.fp code { color: var(--gold); }
.verdict { padding: 4px 14px; border-radius: 999px; font-size: 16px; letter-spacing: 1px; }
.verdict.VALID { background: #0f2c1c; color: var(--ok); border: 1px solid var(--ok); }
.verdict.VALID-WARN { background: #2c230f; color: var(--warn); border: 1px solid var(--warn); }
.verdict.INVALID { background: #3a1620; color: var(--bad); border: 1px solid var(--bad); }
.check { display: flex; gap: 12px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 10px; margin: 8px 0; background: #101022; }
.check .cs { font-size: 11px; font-weight: 700; letter-spacing: 1px; padding: 3px 10px; border-radius: 999px; height: fit-content; white-space: nowrap; }
.check.pass .cs { background: #0f2c1c; color: var(--ok); }
.check.warn .cs { background: #2c230f; color: var(--warn); }
.check.fail .cs { background: #3a1620; color: var(--bad); }
.check .cn { font-weight: 600; font-size: 14px; }
.check .cd { color: var(--dim); font-size: 13px; overflow-wrap: anywhere; }
.steps { color: var(--dim); padding-left: 22px; }
.steps li { margin: 8px 0; }
.steps b, .steps code { color: var(--txt); }
.notes { color: var(--dim); padding-left: 22px; font-size: 14px; }
.notes li { margin: 8px 0; }
.notes code { color: var(--cyan); }
.foot { text-align: center; color: var(--dim); font-size: 13px; padding: 26px 16px 40px; overflow-wrap: anywhere; }
.foot a { color: var(--iris); }
.foot .donate code { color: var(--gold); font-size: 12px; word-break: break-all; }
@media (max-width: 640px) {
  .kv { grid-template-columns: 1fr; }
  .top h1 { font-size: 30px; }
}

/* Keyboard focus: a visible ring in this app's accent on every interactive element (fleet focus-visible pass). */
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

/* Skip link: the first Tab stop on the page — parked off-screen until keyboard focus reveals it (fleet skip-link pass). */
.skip-link { position: absolute; left: 12px; top: -64px; z-index: 1000; padding: 10px 16px; border: 2px solid var(--gold); border-radius: 8px; background: #0b0e14; color: var(--gold); font-weight: 700; text-decoration: none; transition: top .15s ease; }
.skip-link:focus-visible { top: 12px; }
main:focus { outline: none; }

/* Reduced motion: when the OS asks for reduced motion, animations and transitions finish near-instantly and scrolling is not smoothed (fleet reduced-motion pass). Near-zero durations — not animation: none — so fade-ins still land on their end state and no content can be stranded invisible. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}