:root {
  --bg: #f4f5f7; --card: #fff; --text: #1d2129; --muted: #6b7280; --line: #e5e7eb;
  --accent: #2563eb; --ok: #15803d; --ok-bg: #dcfce7; --busy: #b91c1c; --busy-bg: #fee2e2;
  --caddy: #1d4ed8; --caddy-bg: #dbeafe; --system: #7c3aed; --system-bg: #ede9fe;
  --manual: #b45309; --manual-bg: #fef3c7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111318; --card: #1a1d24; --text: #e5e7eb; --muted: #9ca3af; --line: #2a2e37;
    --accent: #60a5fa; --ok: #4ade80; --ok-bg: #14301f; --busy: #f87171; --busy-bg: #3b1717;
    --caddy: #93c5fd; --caddy-bg: #1e2a44; --system: #c4b5fd; --system-bg: #2a2342;
    --manual: #fcd34d; --manual-bg: #3a2e12;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.wrap { max-width: 1000px; margin: 0 auto; padding: 0 16px; }
header { background: var(--card); border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 16px; padding-bottom: 16px; flex-wrap: wrap; }
h1 { margin: 0; font-size: 22px; }
.sub, .hint { color: var(--muted); font-size: 13px; }
code { font-family: ui-monospace, Consolas, monospace; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
form { display: flex; gap: 8px; flex-wrap: wrap; }
input { flex: 1 1 200px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); font: inherit; min-width: 0; }
input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
#value { flex-basis: 280px; }
button { padding: 9px 14px; border: 0; border-radius: 8px; background: var(--accent); color: #fff; font: inherit; cursor: pointer; }
button.ghost { background: transparent; color: var(--accent); border: 1px solid var(--line); }
button:disabled { opacity: .6; cursor: default; }
.status { margin: 12px 0 6px; min-height: 22px; }
.status .pill { display: inline-block; padding: 2px 10px; border-radius: 99px; font-weight: 600; margin-right: 6px; }
.free { background: var(--ok-bg); color: var(--ok); }
.busy { background: var(--busy-bg); color: var(--busy); }
.err { color: var(--busy); }
#free span { cursor: pointer; color: var(--accent); margin-right: 8px; font-family: ui-monospace, Consolas, monospace; }
.tabs { display: flex; gap: 8px; align-items: center; margin-bottom: 10px; flex-wrap: wrap; }
.tab { background: var(--card); color: var(--text); border: 1px solid var(--line); }
.tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.tab span { opacity: .75; }
#filter { flex: 0 1 220px; margin-left: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; padding: 0 8px 8px; }
td { padding: 9px 8px; border-top: 1px solid var(--line); vertical-align: top; }
td.v { font-family: ui-monospace, Consolas, monospace; font-weight: 600; white-space: nowrap; }
td.v a { color: inherit; text-decoration: none; }
td.v a:hover { color: var(--accent); }
td.d div + div { margin-top: 3px; }
td.d small { color: var(--muted); }
.badge { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 99px; margin: 0 4px 3px 0; white-space: nowrap; }
.b-caddy { background: var(--caddy-bg); color: var(--caddy); }
.b-system { background: var(--system-bg); color: var(--system); }
.b-manual { background: var(--manual-bg); color: var(--manual); }
.del { background: transparent; color: var(--muted); padding: 2px 8px; font-size: 18px; line-height: 1; }
.del:hover { color: var(--busy); }
tr.hit td { background: var(--busy-bg); }
.empty { color: var(--muted); text-align: center; padding: 24px; }
.actions { display: flex; gap: 8px; }
dialog { width: min(760px, calc(100vw - 32px)); max-height: calc(100vh - 32px); border: 1px solid var(--line); border-radius: 12px; padding: 20px; background: var(--card); color: var(--text); }
dialog::backdrop { background: rgba(0, 0, 0, .45); }
.modal-head { display: flex; justify-content: space-between; align-items: center; }
dialog h2 { margin: 0; font-size: 20px; }
dialog h3 { margin: 18px 0 8px; font-size: 15px; }
dialog a { color: var(--accent); }
.cmd { display: flex; gap: 8px; align-items: center; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px 8px 8px 12px; }
.cmd code { flex: 1; overflow-x: auto; white-space: nowrap; font-size: 13px; }
.cmd .copy { flex: none; padding: 6px 10px; font-size: 13px; }
pre { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; overflow-x: auto; font: 13px/1.5 ui-monospace, Consolas, monospace; margin: 0; }
@media (max-width: 640px) {
  thead { display: none; }
  tr { display: block; border-top: 1px solid var(--line); padding: 8px 0; position: relative; }
  td { display: block; border: 0; padding: 2px 4px; }
  td:last-child { position: absolute; top: 6px; right: 0; }
  td.v { white-space: normal; word-break: break-all; padding-right: 32px; }
  #filter { flex: 1 1 100%; margin-left: 0; }
}