/* Pearl Registry — brass nameplate / embossed register identity.
 * Dark luminous Pearl family look, with engraved brass accents. */

:root {
  --bg: #0d0b08;
  --bg2: #14110c;
  --panel: #1a1610;
  --ink: #f0e8d6;
  --muted: #a89a7c;
  --brass: #c9a227;
  --brass-hi: #e8c96a;
  --brass-lo: #7a5f16;
  --line: #3a2f1a;
  --danger: #e05c5c;
  --ok: #7fd08a;
  --serif: Georgia, "Times New Roman", serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(201,162,39,.08), transparent 60%),
    repeating-linear-gradient(0deg, transparent 0 34px, rgba(201,162,39,.035) 34px 35px),
    var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  line-height: 1.55;
  min-height: 100vh;
}

/* ---------- top bar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .8rem 1.4rem;
  border-bottom: 2px solid var(--brass-lo);
  background: linear-gradient(180deg, #171208, #100d07);
  box-shadow: 0 2px 18px rgba(201,162,39,.12);
  position: sticky; top: 0; z-index: 10;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: .8rem; }
.brand .plate { width: 52px; height: 36px; color: var(--brass-hi); filter: drop-shadow(0 0 6px rgba(232,201,106,.45)); }
.brand h1 { margin: 0; font-size: 1.5rem; letter-spacing: .06em; color: var(--brass-hi);
  text-shadow: 0 1px 0 #000, 0 0 22px rgba(232,201,106,.25); }
.tagline { margin: 0; color: var(--muted); font-style: italic; font-size: .9rem; }

.tabs, .steps { display: flex; gap: .4rem; flex-wrap: wrap; }
.tabs button, .steps button {
  background: transparent; color: var(--muted); border: 1px solid var(--line);
  border-radius: 6px; padding: .5rem .95rem; font-family: var(--serif);
  font-size: .95rem; cursor: pointer; transition: all .15s;
}
.tabs button:hover, .steps button:hover { color: var(--brass-hi); border-color: var(--brass-lo); }
.tabs button.active, .steps button.active {
  color: #14100a; background: linear-gradient(180deg, var(--brass-hi), var(--brass));
  border-color: var(--brass-hi); font-weight: bold;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.4), 0 0 12px rgba(201,162,39,.35);
}

/* ---------- layout ---------- */
main { max-width: 1080px; margin: 0 auto; padding: 1.4rem 1.2rem 4rem; }
.panel { display: none; }
.panel.active { display: block; animation: fade .25s ease; }
.subpanel { display: none; }
.subpanel.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; } }

h2 { color: var(--brass-hi); letter-spacing: .04em; font-size: 1.7rem; margin: 1.2rem 0 .4rem;
  text-shadow: 0 1px 0 #000; }
h3 { color: var(--brass); font-size: 1.15rem; margin: 1.4rem 0 .5rem; }
h4 { color: var(--ink); font-size: 1rem; margin: .6rem 0 .4rem; }
.lede { color: var(--muted); max-width: 70ch; }
.muted { color: var(--muted); font-size: .9rem; }
.mono { font-family: var(--mono); font-size: .92em; overflow-wrap: anywhere; }
code.mono { background: #241e10; padding: .1em .4em; border-radius: 4px; color: var(--brass-hi); }
.count { color: var(--brass-hi); font-size: .85em; }

.card {
  background: linear-gradient(180deg, var(--panel), #16120b);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 1rem 1.2rem; margin: 1rem 0;
  box-shadow: inset 0 1px 0 rgba(232,201,106,.08), 0 4px 18px rgba(0,0,0,.4);
}
.config label { display: block; margin: .5rem 0; font-size: .95rem; }
.hint-inline { color: var(--muted); font-size: .82rem; font-style: italic; }

/* ---------- forms ---------- */
input, select, textarea {
  background: #0f0c07; border: 1px solid var(--line); color: var(--ink);
  border-radius: 6px; padding: .55rem .7rem; font-family: var(--serif); font-size: 1rem;
  width: 100%;
}
input.mono, textarea.mono { font-family: var(--mono); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--brass); box-shadow: 0 0 0 2px rgba(201,162,39,.25); }
input.big { font-size: 1.5rem; letter-spacing: .04em; }
label.narrow { max-width: 220px; }
.form-grid { display: grid; grid-template-columns: 1fr 220px; gap: .8rem; }
.form-grid label { margin: 0; }
.row { display: flex; gap: .6rem; align-items: center; margin: .7rem 0; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
.grow { flex: 1 1 200px; }

.btn {
  background: linear-gradient(180deg, #2c2413, #1d180c); color: var(--brass-hi);
  border: 1px solid var(--brass-lo); border-radius: 6px; padding: .55rem 1rem;
  font-family: var(--serif); font-size: .95rem; cursor: pointer; transition: all .15s;
}
.btn:hover:not(:disabled) { border-color: var(--brass-hi); box-shadow: 0 0 10px rgba(201,162,39,.3); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn.primary {
  background: linear-gradient(180deg, var(--brass-hi), var(--brass)); color: #14100a;
  font-weight: bold; border-color: var(--brass-hi);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.4), 0 2px 10px rgba(201,162,39,.3);
}
.btn.danger { color: var(--danger); border-color: #6b2a2a; }
.btn.ghost { background: transparent; }
.btn.small { padding: .25rem .6rem; font-size: .8rem; }

/* ---------- progress ---------- */
.progress { height: 10px; background: #0f0c07; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; margin: .6rem 0; }
.progress > div { height: 100%; width: 0; background: linear-gradient(90deg, var(--brass-lo), var(--brass-hi)); transition: width .2s; }

/* ---------- the register list: brass nameplates ---------- */
.register-list { display: grid; gap: .8rem; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.plate-row {
  background: linear-gradient(180deg, #221b0e, #15100a);
  border: 1px solid var(--brass-lo); border-radius: 8px; padding: .8rem 1rem;
  cursor: pointer; position: relative; transition: all .15s;
  box-shadow: inset 0 1px 0 rgba(232,201,106,.15), 0 3px 10px rgba(0,0,0,.45);
}
.plate-row:hover { border-color: var(--brass-hi); transform: translateY(-1px); }
.plate-row::before, .plate-row::after {
  content: ""; position: absolute; width: 7px; height: 7px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--brass-hi), var(--brass-lo));
  top: 8px;
}
.plate-row::before { left: 8px; } .plate-row::after { right: 8px; }
.plate-row .handle { font-size: 1.35rem; color: var(--brass-hi); letter-spacing: .05em;
  text-shadow: 0 1px 0 #000, 0 0 14px rgba(232,201,106,.2); margin: 0 0 .2rem; }
.plate-row .owner { font-family: var(--mono); font-size: .8rem; color: var(--muted); word-break: break-all; }
.plate-row .meta { font-size: .8rem; color: var(--muted); margin-top: .3rem; }
.plate-row .meta .mono { color: var(--brass); }
.status-free { color: var(--muted); font-style: italic; }

/* ---------- verdicts ---------- */
.verdict { border-radius: 10px; padding: 1rem 1.2rem; margin: 1rem 0; border: 2px solid; }
.verdict.ok { border-color: var(--ok); background: rgba(127,208,138,.07); }
.verdict.ok h3 { color: var(--ok); margin-top: 0; }
.verdict.bad { border-color: var(--danger); background: rgba(224,92,92,.08); }
.verdict.bad h3 { color: var(--danger); margin-top: 0; }
.verdict.warn { border-color: var(--brass); background: rgba(201,162,39,.07); }
.verdict.warn h3 { color: var(--brass-hi); margin-top: 0; }
.reasons { margin: .5rem 0; padding-left: 1.2rem; }
.reasons li { margin: .25rem 0; }

.error-box { color: var(--danger); background: rgba(224,92,92,.08); border: 1px solid #6b2a2a;
  border-radius: 8px; padding: .7rem 1rem; margin: .7rem 0; }
.ok-box { color: var(--ok); background: rgba(127,208,138,.07); border: 1px solid #2a5b34;
  border-radius: 8px; padding: .7rem 1rem; margin: .7rem 0; }

.squat { border: 1px dashed var(--brass-lo); border-radius: 8px; padding: .7rem 1rem; margin: .7rem 0; }
.squat.taken { border-color: var(--danger); }
.squat.free { border-color: var(--ok); }

.detail { margin-top: 1rem; }
.detail pre {
  background: #0f0c07; border: 1px solid var(--line); border-radius: 8px;
  padding: .8rem; overflow-x: auto; font-family: var(--mono); font-size: .82rem;
  color: #d8cba6; max-height: 420px; overflow-y: auto;
}
.kv { display: grid; grid-template-columns: 170px 1fr; gap: .3rem .8rem; margin: .6rem 0; font-size: .95rem; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; font-family: var(--mono); font-size: .88rem; word-break: break-all; }

.honest { font-size: .85rem; color: var(--muted); font-style: italic; }

/* ---------- limits + footer ---------- */
.limits { border: 2px solid var(--brass-lo); margin-top: 2.5rem; }
.limits h3 { color: var(--brass-hi); margin-top: 0; letter-spacing: .05em; }
.limits ul { margin: .4rem 0; padding-left: 1.3rem; }
.limits li { margin: .45rem 0; font-size: .94rem; }

.footer { margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid var(--line);
  color: var(--muted); font-size: .9rem; text-align: center; }
.footer a { color: var(--brass-hi); }

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; }
}

/* Keyboard focus: a visible ring in this app's accent on every interactive element (fleet focus-visible pass). */
:focus-visible { outline: 2px solid var(--brass); 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(--brass); border-radius: 8px; background: #0b0e14; color: var(--brass); 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; }
}