:root {
  --bg: #0f1419;
  --card: #1a222c;
  --text: #f2f5f8;
  --muted: #9aa7b5;
  --accent: #3d9cf0;
  --ok: #3ecf8e;
  --err: #f07178;
  --line: #2a3542;
  --radius: 14px;
  font-family: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
#app {
  max-width: 560px;
  margin: 0 auto;
  padding: 16px 16px 40px;
}
.top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}
h1 { font-size: 1.25rem; margin: 0 0 4px; }
h2 { font-size: 1rem; margin: 0 0 10px; }
.detail-name { font-size: 1.15rem; margin: 12px 0 4px; }
.muted { color: var(--muted); margin: 0; font-size: 0.9rem; }
.small { font-size: 0.8rem; display: block; margin-bottom: 6px; }
.badge {
  background: #243041;
  color: var(--accent);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 12px;
}
.card.error { border-color: var(--err); color: #ffd6d8; }
.hidden { display: none !important; }
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  text-align: center;
}
.detail-stats {
  grid-template-columns: repeat(2, 1fr);
  margin: 14px 0;
}
.stats strong { display: block; font-size: 1.1rem; }
.stats span { color: var(--muted); font-size: 0.72rem; }
.stack { display: flex; flex-direction: column; gap: 8px; }
.stack.top-gap { margin-top: 14px; }
.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.row.gap { justify-content: stretch; }
input {
  flex: 1;
  width: 100%;
  background: #121820;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 1rem;
}
button {
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
button:disabled { opacity: 0.5; cursor: default; }
button.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 6px 10px;
  font-size: 0.85rem;
}
.msg { min-height: 1.2em; margin: 8px 0 0; font-size: 0.9rem; }
.msg.ok { color: var(--ok); }
.msg.err { color: var(--err); }
.list { display: flex; flex-direction: column; gap: 8px; }
.item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  font-size: 0.9rem;
  cursor: pointer;
  text-align: left;
  background: transparent;
  color: inherit;
  width: 100%;
  font-weight: 400;
}
.item:active { border-color: var(--accent); }
.item .code { color: var(--accent); font-family: ui-monospace, monospace; }
.empty { color: var(--muted); font-size: 0.9rem; }
.link-row {
  display: flex;
  gap: 8px;
  align-items: center;
}
.link-row input {
  font-size: 0.8rem;
  font-family: ui-monospace, monospace;
}