:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --ink: #1a2332;
  --muted: #5c6b7a;
  --line: #d7dee7;
  --accent: #0b5fff;
  --ok: #1b7a3d;
  --warn: #9a6700;
  --font: "IBM Plex Sans", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: linear-gradient(180deg, #e8eef6 0%, var(--bg) 180px);
  min-height: 100vh;
}

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 2;
}

.brand { display: flex; align-items: center; gap: 10px; }
.badge {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: #e8f0ff;
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 999px;
}

nav { display: flex; flex-wrap: wrap; gap: 8px; }
nav a {
  text-decoration: none;
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 6px;
}
nav a:hover, nav a.active {
  color: var(--accent);
  background: #eef3ff;
}

main { padding: 24px; max-width: 1200px; margin: 0 auto; }
.hidden { display: none !important; }
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
h1 { margin: 0 0 8px; font-size: 1.5rem; }
.hint, .muted { color: var(--muted); font-size: 0.95rem; }
.search { display: flex; gap: 8px; }
.search input {
  min-width: 240px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
}
button {
  border: 0;
  background: var(--accent);
  color: #fff;
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
}

.split {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 16px;
  margin-top: 16px;
}
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  overflow: auto;
}

table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); }
tbody tr { cursor: pointer; }
tbody tr:hover, tbody tr.selected { background: #f0f5ff; }

.detail h2 { margin-top: 0; font-size: 1.15rem; }
.detail dl {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 6px 10px;
  margin: 0 0 16px;
}
.detail dt { color: var(--muted); }
.detail dd { margin: 0; }
.chip {
  display: inline-block;
  background: #f1f4f8;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 8px;
  margin: 0 6px 6px 0;
  font-size: 12px;
}

footer {
  padding: 12px 24px 24px;
  color: var(--muted);
  font-size: 0.85rem;
}
footer .ok { color: var(--ok); }
footer .bad { color: #b42318; }

.auth-gate {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.auth-card {
  width: min(420px, 100%);
  padding: 24px;
}
.auth-card h1 { margin-top: 0; font-size: 1.4rem; }
.auth-form {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}
.auth-form label { display: grid; gap: 4px; font-size: 0.92rem; }
.auth-form input {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
}
button.secondary {
  background: #eef2f7;
  color: var(--ink);
}
.error { color: #b42318; margin-top: 12px; }
.userbox { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; }
.toolbar-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.stack-form { display: grid; gap: 10px; margin-top: 8px; }
.stack-form label { display: grid; gap: 4px; font-size: 0.9rem; }
.stack-form input, .stack-form select {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
}
.form-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.subblock { margin-top: 18px; padding-top: 12px; border-top: 1px solid var(--line); }
.subblock h3 { margin: 0 0 8px; font-size: 1rem; }
.item-list { list-style: none; padding: 0; margin: 0 0 10px; }
.item-list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}
.item-list .meta { color: var(--muted); font-size: 0.82rem; }
.inline-form {
  display: grid;
  gap: 8px;
  margin-top: 8px;
  padding: 10px;
  background: #f7f9fc;
  border-radius: 8px;
  border: 1px solid var(--line);
}
.inline-form.hidden { display: none; }
.danger { background: #b42318; }
button.small { padding: 4px 10px; font-size: 0.85rem; }
.msg-ok { color: var(--ok); }
.msg-bad { color: #b42318; }
.import-result {
  margin-top: 12px;
  padding: 10px;
  background: #f7f9fc;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.82rem;
  white-space: pre-wrap;
  max-height: 280px;
  overflow: auto;
}
#passkey-list { list-style: none; padding: 0; }
#passkey-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
}