:root {
  --bg: #ffffff;
  --fg: #24292f;
  --muted: #57606a;
  --line: #d0d7de;
  --line2: #eaeef2;
  --link: #0969da;
  --head: #f6f8fa;
  --green: #1a7f37;
  --green-bg: #dafbe1;
  --red: #cf222e;
  --red-bg: #ffebe9;
  --blue-bg: #ddf4ff;
  --yellow-bg: #fff8c5;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC",
               Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 960px; margin: 0 auto; padding: 24px 20px 60px; }

header.top {
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
  margin-bottom: 24px;
}
header.top h1 { font-size: 26px; margin: 0 0 4px; font-weight: 600; }
header.top .crumb { color: var(--muted); font-size: 13px; }

.status {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 2em;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid transparent;
}
.status.up { background: var(--green-bg); color: var(--green); border-color: #a7e6b8; }
.status.down { background: var(--red-bg); color: var(--red); border-color: #f5b7b7; }

.fp {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 13px;
  color: var(--muted);
  word-break: break-all;
}

h2 {
  font-size: 19px;
  font-weight: 600;
  margin: 28px 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line2);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin: 16px 0 4px;
}
.cardbox {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 14px 16px;
  background: #fff;
}
.cardbox .lbl { color: var(--muted); font-size: 12px; }
.cardbox .val { font-size: 20px; font-weight: 600; margin-top: 4px; word-break: break-word; }

table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  font-size: 16px;
}
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--line2); }
tr:last-child td { border-bottom: none; }
td.k { width: 200px; color: var(--muted); background: var(--head); white-space: nowrap; }
td.v { word-break: break-word; }

/* ---- flags ---- */
#flags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }

.flag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  background: var(--head);
  color: var(--fg);
  border: 1px solid var(--line);
  line-height: 1.3;
}

/* ---- exit policy ---- */
.policy { font-size: 14px; }

.policy .verdict {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 6px;
  font-weight: 600;
  border: 1px solid transparent;
}
.policy .verdict .dot { width: 9px; height: 9px; border-radius: 50%; flex: 0 0 auto; }
.policy .verdict.reject { background: var(--red-bg);   color: var(--red);   border-color: #f5b7b7; }
.policy .verdict.reject .dot { background: var(--red); }
.policy .verdict.accept { background: var(--green-bg); color: var(--green); border-color: #a7e6b8; }
.policy .verdict.accept .dot { background: var(--green); }

.policy .pnote { color: var(--muted); font-size: 13px; margin: 8px 2px 0; }

.policy .prow {
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin-top: 12px;
}
.policy .ptag {
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 2em;
}
.policy .ptag.accept { background: var(--green-bg); color: var(--green); }
.policy .ptag.reject { background: var(--red-bg);   color: var(--red); }

.policy .ports { display: flex; flex-wrap: wrap; gap: 5px; }
.policy .port {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--head);
}