:root {
  --bg: #f6f7f9; --card: #fff; --fg: #15181d; --muted: #5d6673; --line: #e3e6eb;
  --accent: #0f766e; --free: #15803d; --free-bg: #dcfce7; --busy: #b45309; --busy-bg: #fef3c7;
  --down: #6b7280; --down-bg: #eceef1; --badge: #6d28d9; --badge-bg: #ede9fe;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216; --card: #181c22; --fg: #e8ebef; --muted: #98a2b0; --line: #2a3039;
    --accent: #2dd4bf; --free: #4ade80; --free-bg: #12301d; --busy: #fbbf24; --busy-bg: #382a0c;
    --down: #9ca3af; --down-bg: #262b33; --badge: #c4b5fd; --badge-bg: #2e1f4f;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.4 system-ui, -apple-system, "Segoe UI", sans-serif; }
header { position: sticky; top: 0; z-index: 2; background: var(--bg); padding: 12px 16px 8px; border-bottom: 1px solid var(--line); }
h1 { font-size: 1.15rem; margin: 0 0 8px; }
.country { color: var(--muted); font-weight: 500; }
.controls { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; }
button, select { font: inherit; color: inherit; background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; }
button { cursor: pointer; }
button.on { border-color: var(--accent); color: var(--accent); }
.meta-row { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin: 6px 0 0; }
.meta { margin: 0; color: var(--muted); font-size: .85rem; }
.linkbtn { background: none; border: 0; padding: 0; color: var(--accent); font-size: .85rem; cursor: pointer; white-space: nowrap; }
.linkbtn:hover { text-decoration: underline; }
.agents { width: min(520px, calc(100vw - 32px)); max-height: calc(100vh - 32px); overflow: auto; padding: 16px; margin: auto;
  background: var(--card); color: var(--fg); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 12px 40px rgb(0 0 0 / .3); font-size: .88rem; }
.agents::backdrop { background: rgb(0 0 0 / .35); }
.agents-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.agents p { margin: 6px 0 10px; }
.agents a { color: var(--accent); }
.agents label { display: block; margin: 12px 0 4px; font-weight: 600; font-size: .8rem; color: var(--muted); }
.agents ul { margin: 4px 0 8px; padding-left: 18px; }
.agents li { margin: 3px 0; }
.agents code { font: .8rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; }
.agents .hint { color: var(--muted); }
.copyline { display: flex; gap: 6px; align-items: stretch; }
.copyline code { flex: 1; min-width: 0; padding: 7px 9px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); overflow-x: auto; white-space: nowrap; }
.copy { padding: 4px 10px; font-size: .8rem; }
.meta.stale { color: var(--busy); }
main { max-width: 760px; margin: 0 auto; padding: 8px 16px 24px; }
section h2 { font-size: 1rem; margin: 18px 0 8px; display: flex; gap: 8px; align-items: baseline; }
section h2 small { color: var(--muted); font-weight: 400; }
details { background: var(--card); border: 1px solid var(--line); border-radius: 10px; margin: 0 0 8px; }
summary { list-style: none; cursor: pointer; padding: 10px 12px; display: grid; grid-template-columns: 1fr auto; gap: 4px 8px; }
summary::-webkit-details-marker { display: none; }
.name { font-weight: 600; }
.dist { color: var(--muted); font-size: .85rem; white-space: nowrap; text-align: right; }
.sides { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border-radius: 999px; padding: 2px 9px; font-size: .82rem; font-weight: 600; white-space: nowrap; }
.free { color: var(--free); background: var(--free-bg); }
.busy { color: var(--busy); background: var(--busy-bg); }
.down, .none { color: var(--down); background: var(--down-bg); }
.body { padding: 0 12px 12px; border-top: 1px solid var(--line); }
.body h3 { font-size: .9rem; margin: 10px 0 4px; display: flex; justify-content: space-between; gap: 8px; }
.body h3 a { font-weight: 400; color: var(--accent); }
.ops { color: var(--muted); font-size: .82rem; margin: 0 0 4px; }
table { width: 100%; border-collapse: collapse; font-size: .86rem; }
td { padding: 4px 4px; border-top: 1px solid var(--line); }
td.kw { white-space: nowrap; font-weight: 600; width: 4.5em; }
td.st { text-align: right; white-space: nowrap; }
td.dots { line-height: 1.1; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin: 0 3px 0 0; vertical-align: middle; cursor: help; }
/* Bigger invisible hit area for taps on the small dots. */
.dot { position: relative; }
.dot::after { content: ""; position: absolute; inset: -6px -2px; }
[data-tip] { cursor: help; }
[data-tip]:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.tip { position: absolute; z-index: 10; width: max-content; max-width: min(320px, calc(100vw - 16px)); padding: 6px 9px; border-radius: 6px;
  background: var(--fg); color: var(--bg); font-size: .78rem; line-height: 1.35; pointer-events: none;
  box-shadow: 0 4px 14px rgb(0 0 0 / .25); }
.dot.free { background: var(--free); }
.dot.busy { background: var(--busy); }
.dot.down { background: transparent; box-shadow: inset 0 0 0 2px var(--down); }
.freetxt { color: var(--free); font-weight: 600; }
.mutedtxt { color: var(--muted); }
.note { color: var(--muted); font-size: .74rem; }
.empty { color: var(--muted); text-align: center; padding: 32px 0; }
footer { color: var(--muted); font-size: .78rem; text-align: center; padding: 16px; }
footer a { color: inherit; }
.badge { display: inline-block; vertical-align: 1px; margin-left: 4px; border-radius: 4px; padding: 0 6px; font-size: .72rem; font-weight: 600; letter-spacing: .02em; color: var(--badge); background: var(--badge-bg); }
[hidden] { display: none !important; }
.sub { color: var(--muted); font-size: .74rem; margin-top: 2px; white-space: nowrap; }
@media (max-width: 520px) {
  td { padding: 5px 3px; }
  td.kw { width: auto; }
  .dot { width: 8px; height: 8px; margin-right: 2px; }
  .note { display: block; }
}