:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --border: #2a2f3a;
  --text: #e6e9ef;
  --muted: #99a2b3;
  --accent: #4c8dff;
  --ok: #3fb950;
  --warn: #d29922;
  --err: #f85149;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
}
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; border-bottom: 1px solid var(--border); background: var(--panel);
}
h1 { font-size: 18px; margin: 0; }
h2 { font-size: 15px; margin: 0 0 12px; }
.status { color: var(--muted); font-size: 13px; }
nav { display: flex; gap: 4px; padding: 12px 24px 0; }
.tab {
  background: transparent; border: 1px solid transparent; color: var(--muted);
  padding: 8px 14px; border-radius: 8px 8px 0 0; cursor: pointer; font-size: 14px;
}
.tab.active { background: var(--panel); border-color: var(--border); border-bottom-color: var(--panel); color: var(--text); }
main { padding: 0 24px 48px; }
.panel { display: none; background: var(--panel); border: 1px solid var(--border); border-radius: 0 8px 8px 8px; padding: 20px; }
.panel.active { display: block; }
.row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
button {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  padding: 7px 14px; border-radius: 6px; cursor: pointer; font-size: 13px;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger:hover { border-color: var(--err); color: var(--err); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 500; }
tr:hover td { background: rgba(255,255,255,0.02); }
code { background: var(--panel-2); padding: 1px 5px; border-radius: 4px; font-size: 12px; }
.tag { display: inline-block; padding: 1px 7px; border-radius: 10px; font-size: 12px; border: 1px solid var(--border); }
.tag.ok { color: var(--ok); border-color: var(--ok); }
.tag.err { color: var(--err); border-color: var(--err); }
.tag.warn { color: var(--warn); border-color: var(--warn); }
.tag.muted { color: var(--muted); }
fieldset { border: 1px solid var(--border); border-radius: 8px; margin: 0 0 18px; padding: 16px; }
legend { color: var(--muted); padding: 0 6px; }
label { display: block; margin-bottom: 10px; color: var(--muted); font-size: 13px; }
input, select {
  display: block; width: 100%; margin-top: 4px; padding: 7px 9px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 6px;
  color: var(--text); font-size: 13px;
}
.checks { display: flex; flex-wrap: wrap; gap: 16px; margin: 8px 0 14px; }
.checks label { display: flex; align-items: center; gap: 6px; margin: 0; }
.checks input { width: auto; margin: 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 0 16px; }
.actions { display: flex; gap: 8px; margin-top: 10px; }
.hint { color: var(--muted); font-size: 12px; margin: 6px 0 0; }
.log {
  background: #0a0c10; border: 1px solid var(--border); border-radius: 6px;
  padding: 12px; font-size: 12px; overflow: auto; max-height: 420px; white-space: pre-wrap;
}
.modal { position: fixed; inset: 0; background: rgba(0,0,0,0.6); display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; overflow: auto; z-index: 20; }
.modal-body { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 22px; width: min(900px, 100%); }
.modal-body.narrow { width: min(460px, 100%); }

/* Keep this last: it has to beat the display rules above. */
.hidden { display: none !important; }
.banner {
  margin: 0 0 16px; padding: 10px 14px; border-radius: 8px; font-size: 13px;
  border: 1px solid var(--err); color: var(--err); background: rgba(248,81,73,0.08);
}
.banner.ok { border-color: var(--ok); color: var(--ok); background: rgba(63,185,80,0.08); }
.empty { color: var(--muted); padding: 18px 4px; }
header .right { display: flex; align-items: center; gap: 12px; }
.linkish {
  background: none; border: none; color: var(--muted); cursor: pointer;
  font-size: 13px; text-decoration: underline; padding: 0;
}
.linkish:hover { color: var(--accent); }