:root {
  --navy: #121c2d; --yellow: #ffd400;
  --bg: #f4f6f9; --card: #ffffff; --text: #121c2d; --muted: #556072;
  --line: #dde2ea; --danger: #b42318; --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0e1624; --card: #16223a; --text: #e8ecf2; --muted: #9aa6b8; --line: #26324a; --danger: #ff8a80; }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: inherit; }
.top {
  background: var(--navy); color: #fff; padding: 14px 16px;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.brand { font-weight: 700; text-decoration: none; display: flex; align-items: center; gap: 10px; }
.brand::before { content: ""; width: 12px; height: 12px; border-radius: 3px; background: var(--yellow); }
.top nav { margin-left: auto; display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.top nav a, .top nav button { color: #cfd6e2; text-decoration: none; font: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
.top nav a:hover, .top nav button:hover { color: #fff; }
main { max-width: 860px; margin: 0 auto; padding: 28px 16px 60px; }
h1 { font-size: 26px; margin: 0 0 6px; }
.sub { color: var(--muted); margin: 0 0 24px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.narrow { max-width: 400px; margin: 8vh auto 0; }
label { display: block; font-size: 14px; color: var(--muted); margin: 14px 0 6px; }
input, textarea {
  width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--bg); color: var(--text); font: inherit;
}
input:focus, textarea:focus { outline: 2px solid var(--yellow); outline-offset: 1px; border-color: transparent; }
.btn {
  display: inline-block; margin-top: 18px; padding: 11px 18px; border: 0; border-radius: 10px;
  background: var(--yellow); color: var(--navy); font-family: inherit; font-weight: 600; font-size: 16px; line-height: 1.2;
  cursor: pointer; text-decoration: none;
}
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn.small { margin: 0; padding: 7px 12px; font-size: 14px; }
.btn.danger { background: transparent; color: var(--danger); border: 1px solid var(--line); }
.error { color: var(--danger); margin: 12px 0 0; }
.bases { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.base {
  display: block; text-decoration: none; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px; transition: border-color .15s, transform .15s;
}
.base:hover { border-color: var(--yellow); transform: translateY(-1px); }
.base strong { display: block; font-size: 17px; }
.base span { color: var(--muted); font-size: 14px; }
.hint { margin-top: 22px; color: var(--muted); font-size: 14px; }
.empty { color: var(--muted); }
table { width: 100%; border-collapse: collapse; }
td { padding: 10px 6px; border-top: 1px solid var(--line); vertical-align: top; }
td.url { color: var(--muted); font-size: 13px; word-break: break-all; }
td.act { white-space: nowrap; text-align: right; }
td.act form { display: inline; }
.row { display: flex; gap: 12px; }
.row > div { flex: 1; }
@media (max-width: 560px) { .row { flex-direction: column; gap: 0; } }
.h2 { margin: 0 0 4px; font-size: 19px; }
.row > .sortcol { flex: 0 0 120px; }
.gap { margin-top: 16px; }
.narrow.top0 { margin-top: 0; }
@media (max-width: 560px) { .row > .sortcol { flex-basis: auto; } }