:root {
  --bg: #0f1419;
  --panel: #1a222c;
  --text: #e7ecf1;
  --muted: #8b9aab;
  --accent: #3d8bfd;
  --danger: #e35d6a;
  --ok: #3dd68c;
  --err: #f07178;
  --border: #2a3542;
  --font: "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "Cascadia Code", Consolas, monospace;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 10% -10%, #1b2a3d, var(--bg));
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); font-size: 0.92em; }

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,.25);
}
.brand { font-weight: 700; color: var(--text); letter-spacing: 0.02em; }
.top nav { display: flex; gap: 1rem; align-items: center; }
.who { color: var(--muted); }

main { max-width: 1100px; margin: 0 auto; padding: 1.5rem; }
h1 { margin: 0 0 0.35rem; font-size: 1.6rem; }
h2 { margin-top: 0; font-size: 1.15rem; }
h3 { margin: 0 0 0.75rem; font-size: 1rem; }
.muted { color: var(--muted); }

.flash { padding: 0.65rem 0.85rem; border-radius: 6px; margin: 0 0 1rem; }
.flash-ok { background: rgba(61,214,140,.12); border: 1px solid rgba(61,214,140,.35); }
.flash-error { background: rgba(240,113,120,.12); border: 1px solid rgba(240,113,120,.4); }

.login { max-width: 380px; margin: 3rem auto; }
.grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 1.5rem;
}
@media (max-width: 800px) { .grid { grid-template-columns: 1fr; } }

.card-form, .repo {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 1rem;
}
.card-form label, form label {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--muted);
  font-size: 0.85rem;
}
input, textarea, select, button {
  font: inherit;
  width: 100%;
  margin-top: 0.3rem;
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #0d1218;
  color: var(--text);
}
textarea { resize: vertical; }
button {
  width: auto;
  cursor: pointer;
  background: var(--accent);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
}
button.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
button:hover { filter: brightness(1.08); }

.list { list-style: none; padding: 0; margin: 0 0 1rem; }
.list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
}
.badge {
  font-size: 0.75rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
}
.inline { display: inline; margin: 0; }
.inline button { width: auto; padding: 0.2rem 0.5rem; font-size: 0.8rem; }

.repo header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.rule {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.rule select, .rule input { margin-top: 0; }

.storage {
  margin: 0 0 1.25rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(0,0,0,.2);
  color: var(--muted);
  font-size: 0.9rem;
}
.storage summary { cursor: pointer; color: var(--text); font-weight: 600; }
.storage ul { margin: 0.75rem 0 0; padding-left: 1.2rem; }
.storage li { margin-bottom: 0.4rem; }

.user-card, .key-created {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 1rem;
}
.user-card header, .repo header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}
.user-card h3, .user-card h4 { margin: 0; }
.keys { list-style: none; padding: 0; margin: 0 0 0.75rem; }
.keys li {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
}
.fp { font-size: 0.78rem; margin-top: 0.2rem; word-break: break-all; }
.card-form.nested { margin-top: 0.5rem; background: #121820; }
.key-mode { border: 0; padding: 0; margin: 0 0 0.75rem; }
.key-mode .radio { display: block; color: var(--text); margin-bottom: 0.35rem; }
.key-mode input { width: auto; margin: 0 0.4rem 0 0; }
.btn {
  display: inline-block;
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  background: var(--accent);
  color: #fff !important;
  font-weight: 600;
  text-decoration: none !important;
}
pre.pubkey, .steps pre {
  background: #0d1218;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-break: break-all;
}
.steps { color: var(--muted); }
.steps li { margin-bottom: 0.65rem; }
.row2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
@media (max-width: 600px) { .row2 { grid-template-columns: 1fr; } }
.profile-line { margin: 0 0 0.75rem; font-size: 0.9rem; }
.key-created h2 { font-size: 1.05rem; margin-top: 1.25rem; }