:root {
  --bg: #0f1216;
  --panel: #171c22;
  --panel-2: #1e242c;
  --line: #2a323c;
  --fg: #e6edf3;
  --dim: #8b98a5;
  --good: #3fb950;
  --warn: #d6a419;
  --bad: #f05252;
  --dead: #6e7681;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  padding: 48px 20px 64px;
  background:
    radial-gradient(1000px 500px at 50% -180px, #1d2530 0%, transparent 70%),
    var(--bg);
  color: var(--fg);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  min-height: 100vh;
}

.wrap { max-width: 940px; margin: 0 auto; }

.head { margin-bottom: 28px; }

.head h1 {
  margin: 0 0 6px;
  font-size: 26px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.sub { margin: 0; color: var(--dim); font-size: 13px; }
.sub .dot { margin: 0 6px; opacity: 0.5; }

.cards {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

/* 分组 */
#cards { display: block; }
.group + .group { margin-top: 30px; }

.group-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  font-weight: 500;
}

.group-name { color: var(--fg); letter-spacing: 0.06em; }
.group-count, .group-min { color: var(--dim); font-size: 12px; }
.group-min { margin-left: auto; }

.card {
  position: relative;
  padding: 18px 20px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--state, var(--dim));
}

.card-top {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

a.host {
  font-size: 17px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

a.host::after {
  content: "\2197";
  margin-left: 4px;
  font-size: 11px;
  color: var(--dim);
  opacity: 0.7;
  vertical-align: super;
}

a.host:hover { color: #9ecbff; border-bottom-color: currentColor; }
a.host:hover::after { opacity: 1; }
a.host:focus-visible { outline: 2px solid #9ecbff; outline-offset: 3px; border-radius: 3px; }

.badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid currentColor;
  color: var(--dim);
  opacity: 0.9;
  white-space: nowrap;
}

.card-name { color: var(--dim); font-size: 13px; margin-left: auto; }

.days {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 14px 0 10px;
}

.days .num {
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--state, var(--fg));
}

.days .unit { color: var(--dim); font-size: 13px; }

.days .date { margin-left: auto; color: var(--dim); font-size: 13px; font-variant-numeric: tabular-nums; }

.bar {
  height: 5px;
  border-radius: 3px;
  background: var(--panel-2);
  overflow: hidden;
}

.bar > i {
  display: block;
  height: 100%;
  width: var(--pct, 0%);
  background: var(--state, var(--dim));
  border-radius: 3px;
  transition: width 0.4s ease;
}

.meta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 12px;
  color: var(--dim);
  font-size: 12.5px;
}

.meta b { color: #b9c4cf; font-weight: 500; }

.note {
  margin-top: 10px;
  font-size: 13px;
  color: var(--state, var(--dim));
}

.s-ok { --state: var(--good); }
.s-warn { --state: var(--warn); }
.s-bad { --state: var(--bad); }
.s-dead { --state: var(--dead); }

.foot {
  margin-top: 34px;
  color: #6b7784;
  font-size: 12px;
  line-height: 1.8;
}

.foot p { margin: 0; }

@media (min-width: 700px) {
  .cards { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .bar > i { transition: none; }
}