:root {
  --bg: #f4f5f7;
  --paper: #ffffff;
  --text: #0d1218;
  --soft: #57616d;
  --muted: #86909b;
  --line: #dee3e8;
  --line-strong: #b0b8c1;
  --green: #159754;
  --green-dark: #0f8449;
  --green-line: #9bd7b4;
  --green-soft: #e8f7ef;
  --red: #db4a4a;
  --yellow: #cf9d24;
  --gray: #d6dde5;
  --blue: #2ea3ff;
  --radius: 4px;
  --shadow: 0 2px 5px rgba(17, 24, 39, .06);
  --font: "M PLUS Rounded 1c", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.48;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button, input, select { font: inherit; }
button { border: 0; cursor: pointer; }
.wrap { width: min(980px, calc(100vw - 42px)); margin: 0 auto; }

.topbar {
  height: 68px;
  background: rgba(255, 255, 255, .88);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(17, 24, 39, .05);
}
.topbar-inner {
  height: 68px;
  display: flex;
  align-items: center;
}
.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
}
.brand-main {
  color: #4f9b58;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: .03em;
}

.main { padding: 46px 0 48px; }
.hero { text-align: center; }

.system-banner {
  width: 100%;
  min-height: 59px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 13px 20px;
  color: #fff;
  background: var(--green);
  border-radius: var(--radius);
}
.system-banner strong {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: .01em;
}
.system-banner.down { background: var(--red); }
.system-banner.degraded { background: var(--yellow); }

.intro {
  max-width: 780px;
  margin: 16px auto 0;
  color: #2d353f;
  font-size: 17px;
}
.summary-line {
  margin: 9px auto 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 7px 15px;
  color: var(--muted);
  font-size: 14px;
}

.search-row { margin-top: 42px; }
.search-input {
  width: min(488px, 100%);
  height: 44px;
  display: block;
  padding: 0 13px;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  outline: none;
  font-size: 16px;
}
.search-input::placeholder { color: #a8afb8; }
.search-input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(21, 151, 84, .12);
}

.groups {
  margin-top: 17px;
  display: grid;
  gap: 16px;
}
.group {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 1px solid var(--green-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.group.collapsed .service-list { display: none; }
.group-head {
  min-height: 63px;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  cursor: pointer;
  user-select: none;
}
.group-toggle {
  width: 15px;
  height: 15px;
  display: grid;
  place-items: center;
  color: #4ea75c;
  border: 1px solid #8fd09d;
  font-size: 11px;
  line-height: 1;
}
.group-title strong {
  display: block;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.15;
}
.group-title span {
  display: block;
  margin-top: 1px;
  color: #141a22;
  font-size: 16px;
  font-weight: 400;
}
.group-status {
  color: var(--green);
  font-weight: 700;
  white-space: nowrap;
}
.group-ok {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  color: var(--green);
  border: 2px solid var(--green);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
}
.group.down .group-status, .group.down .group-ok { color: var(--red); border-color: var(--red); }
.group.degraded .group-status, .group.degraded .group-ok { color: var(--yellow); border-color: var(--yellow); }

.service-list { padding: 2px 20px 17px 51px; }
.service {
  display: grid;
  grid-template-columns: minmax(230px, 1fr) 125px 95px 90px;
  align-items: start;
  gap: 14px;
  padding: 8px 0;
  cursor: pointer;
}
.service + .service { margin-top: 1px; }
.service:hover .service-name, .service.selected .service-name { color: var(--green-dark); }
.service-name {
  min-width: 0;
  color: #070b11;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.25;
  word-break: break-word;
}
.service-target {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
  word-break: break-all;
}
.service-status {
  justify-self: end;
  color: var(--green);
  font-size: 17px;
  font-weight: 700;
  white-space: nowrap;
}
.service.down .service-status { color: var(--red); }
.service.unknown .service-status { color: var(--muted); }
.service-latency, .service-uptime {
  justify-self: end;
  color: #1a2430;
  font-size: 17px;
  font-weight: 600;
  white-space: nowrap;
}
.uptime-strip {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(30, minmax(6px, 1fr));
  gap: 4px;
  width: min(540px, 100%);
  margin: 5px 0 2px;
}
.daybar { height: 23px; background: var(--gray); border-radius: 2px; }
.daybar.full { background: var(--green); }
.daybar.good { background: #94d8b1; }
.daybar.warn { background: #d7bc55; }
.daybar.bad { background: #df6868; }
.daybar.none { background: #d7dde4; }

.inline-chart-panel {
  grid-column: 1 / -1;
  margin: 15px 0 18px;
  cursor: default;
}
.chart-toolbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin: 8px 0 10px;
}
.chart-toolbar h2 {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
}
.chart-toolbar p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
}
.range-tabs {
  display: flex;
  gap: 22px;
  align-items: center;
}
.range-tab {
  padding: 0;
  color: var(--green-dark);
  background: transparent;
  font-size: 17px;
  font-weight: 700;
  opacity: .8;
}
.range-tab.active {
  opacity: 1;
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 5px;
}
.chart-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 24px 24px 18px;
}
.chart-title-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 9px;
}
.chart-title-row span, .chart-title-row strong {
  font-size: 16px;
  font-weight: 700;
}
.chart-canvas-wrap {
  position: relative;
  width: 100%;
  height: 220px;
  max-height: 220px;
  overflow: hidden;
}
#latencyChart {
  display: block;
  width: 100% !important;
  height: 220px !important;
  max-height: 220px !important;
}

.checks-panel {
  margin-top: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0;
  box-shadow: var(--shadow);
}
.checks-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
}
.checks-head h2 {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
}
.checks-head p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
}
.checks-controls {
  display: flex;
  align-items: end;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}
.checks-controls label span {
  display: block;
  margin-bottom: 3px;
  font-size: 12px;
  color: var(--muted);
}
.checks-controls select {
  height: 38px;
  min-width: 72px;
}
.small-btn {
  min-height: 38px;
  padding: 8px 12px;
  border-radius: var(--radius);
  color: var(--green-dark);
  background: #fff;
  border: 1px solid var(--line);
  font-weight: 700;
}
.small-btn:hover {
  border-color: var(--green-line);
  background: var(--green-soft);
}
.checks { padding: 6px 0; }
.check-card {
  display: grid;
  grid-template-columns: 180px 80px 100px 90px minmax(160px, 1fr);
  gap: 12px;
  align-items: center;
  padding: 11px 18px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}
.check-card:first-child { border-top: 0; }
.ok-text { color: var(--green); font-weight: 700; }
.fail-text { color: var(--red); font-weight: 700; }
.small, .muted { color: var(--muted); }
.empty { padding: 18px; color: var(--muted); }

.footer {
  margin-top: 22px;
  padding: 0 0 34px;
}
.footer-inner {
  border-top: 1px solid var(--line-strong);
  padding-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--soft);
  font-size: 14px;
}
.footer-left, .footer-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.cf-logo {
  width: 76px;
  height: 25px;
  display: inline-flex;
  align-items: center;
}
.cf-logo-img {
  display: block;
  width: 76px;
  height: auto;
  object-fit: contain;
}

@media (max-width: 760px) {
  .wrap { width: min(100% - 24px, 980px); }
  .topbar, .topbar-inner { height: auto; }
  .topbar-inner { padding: 12px 0; }
  .brand-main { font-size: 24px; }
  .main { padding-top: 28px; }
  .system-banner strong { font-size: 23px; }
  .intro { font-size: 15px; }
  .search-row { margin-top: 30px; }

  .group-head {
    grid-template-columns: auto 1fr;
    align-items: start;
  }
  .group-status, .group-ok { display: none; }
  .service-list { padding: 0 14px 14px 38px; }
  .service {
    grid-template-columns: 1fr auto;
    gap: 3px 10px;
    padding: 9px 0;
  }
  .service-name { font-size: 17px; }
  .service-status { grid-column: 2; grid-row: 1; font-size: 15px; }
  .service-latency { justify-self: start; font-size: 14px; }
  .service-uptime { justify-self: end; font-size: 14px; }
  .uptime-strip { grid-template-columns: repeat(30, 1fr); gap: 3px; }
  .daybar { height: 17px; }

  .chart-toolbar, .chart-title-row, .checks-head { display: block; }
  .checks-controls, .range-tabs { margin-top: 12px; }
  .checks-controls { flex-wrap: wrap; }
  .chart-card { padding: 18px 10px 14px; }
  .chart-canvas-wrap { height: 190px; max-height: 190px; }
  #latencyChart { height: 190px !important; max-height: 190px !important; }
  .check-card { grid-template-columns: 1fr; gap: 3px; }
  .footer-inner { display: block; }
  .footer-right { margin-top: 8px; }
}