:root {
  --bg: #010101;
  --vanta: #0a0a0a;
  --panel: #0d1117;
  --cobalt: #0047ab;
  --neon: #1e90ff;
  --neon2: #3b82f6;
  --white: #f5f7fa;
  --muted: #9aa4b2;
  --danger: #ff4d6d;
  --ok: #2dd4bf;
  --border: #1a2740;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--white);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  min-height: 100%;
}
body {
  background:
    radial-gradient(ellipse at 20% 0%, rgba(30,144,255,0.12), transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(0,71,171,0.18), transparent 45%),
    var(--bg);
}
a { color: var(--neon); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}
.brand {
  display: flex; align-items: center; gap: .75rem;
  margin-bottom: 1.5rem;
}
.brand .mark {
  width: 36px; height: 36px; border-radius: 8px;
  background: linear-gradient(135deg, var(--cobalt), var(--neon));
  box-shadow: 0 0 18px rgba(30,144,255,.45);
}
.brand h1 {
  font-size: 1.15rem; margin: 0; letter-spacing: .04em;
  font-weight: 650;
}
.brand .sub { color: var(--muted); font-size: .8rem; margin: 0; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.35rem 1.4rem;
  box-shadow: 0 0 0 1px rgba(30,144,255,.05), 0 12px 40px rgba(0,0,0,.45);
}
.card h2 { margin: 0 0 .5rem; font-size: 1.25rem; }
.card p { color: var(--muted); line-height: 1.5; }
.row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.25rem; }
button, .btn {
  appearance: none; border: 0; cursor: pointer;
  background: linear-gradient(135deg, var(--cobalt), var(--neon));
  color: var(--white);
  font-weight: 600;
  padding: .7rem 1.15rem;
  border-radius: 10px;
  font-size: .95rem;
  box-shadow: 0 0 20px rgba(30,144,255,.25);
}
button.secondary, .btn.secondary {
  background: transparent;
  border: 1px solid var(--border);
  box-shadow: none;
  color: var(--white);
}
button:disabled { opacity: .45; cursor: not-allowed; }
input[type=text], textarea {
  width: 100%;
  background: var(--vanta);
  border: 1px solid var(--border);
  color: var(--white);
  border-radius: 10px;
  padding: .7rem .85rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .85rem;
}
label { display: block; font-size: .8rem; color: var(--muted); margin: 1rem 0 .35rem; }
.status {
  margin-top: 1rem;
  padding: .75rem .9rem;
  border-radius: 10px;
  background: #071018;
  border: 1px solid var(--border);
  font-size: .9rem;
  white-space: pre-wrap;
  word-break: break-word;
}
.status.ok { border-color: rgba(45,212,191,.4); color: var(--ok); }
.status.err { border-color: rgba(255,77,109,.45); color: var(--danger); }
.doc {
  margin-top: 1.25rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}
.doc h3 {
  color: var(--neon);
  margin: 0 0 .5rem;
  font-size: 1.05rem;
}
.doc pre {
  white-space: pre-wrap;
  background: #05070c;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  line-height: 1.45;
  font-size: .86rem;
  color: var(--white);
}
.nav { margin-top: 1.5rem; font-size: .9rem; color: var(--muted); }
.pill {
  display: inline-block;
  font-size: .7rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .2rem .5rem;
  border-radius: 999px;
  border: 1px solid var(--neon);
  color: var(--neon);
  margin-left: .5rem;
}
.hint { font-size: .85rem; color: var(--muted); margin-top: .75rem; }