:root {
  --bg: #0f1115;
  --bg-elev: #161a21;
  --bg-elev-2: #1c212a;
  --line: #262c36;
  --text: #e8ebf0;
  --text-muted: #8b94a3;
  --brand: #7c6cf6; /* 与 logo 一致的紫色，不再使用粉色 */
  --ok: #3ccf7a;
  --ok-soft: rgba(60, 207, 122, 0.16);
  --warn: #f5b942;
  --warn-soft: rgba(245, 185, 66, 0.16);
  --down: #ff5d5d;
  --down-soft: rgba(255, 93, 93, 0.16);
  --maint: #6ea8ff;
  --maint-soft: rgba(110, 168, 255, 0.16);
  --none: #2c333e;
  --radius: 14px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans JP", "Noto Sans KR", "Noto Sans Thai", "Noto Sans Arabic", sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7fa;
    --bg-elev: #ffffff;
    --bg-elev-2: #f1f3f7;
    --line: #e3e7ee;
    --text: #151922;
    --text-muted: #667085;
    --none: #dfe4ec;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}
a { color: inherit; }
button { font: inherit; }
h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -0.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.muted { color: var(--text-muted); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { width: min(960px, 100% - 32px); margin: 0 auto; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg-elev); position: sticky; top: 0; z-index: 5; }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; font-size: 17px; }
.brand-mark { width: 34px; height: 28px; object-fit: contain; display: block; }
.header-actions { display: flex; align-items: center; gap: 8px; }
.lang-select select, .btn-ghost {
  background: var(--bg-elev-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 14px;
  cursor: pointer;
}
.btn-ghost:hover, .lang-select select:hover { border-color: var(--text-muted); }
.btn-ghost:focus-visible, select:focus-visible, .link:focus-visible, .group-head:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

/* Overall banner */
.overall {
  display: flex;
  gap: 16px;
  align-items: center;
  margin: 28px 0 20px;
  padding: 22px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-elev);
}
.overall-icon { flex: none; width: 44px; height: 44px; border-radius: 50%; background: var(--none); position: relative; }
.overall-icon::after { content: ""; position: absolute; inset: 14px; border-radius: 50%; background: var(--bg-elev); }
.overall-title { font-size: 22px; }
.overall-sub { margin-top: 4px; color: var(--text-muted); }
.overall-meta { margin-top: 2px; font-size: 13px; color: var(--text-muted); }
.overall-meta:empty { display: none; }
.notice { margin: -8px 0 20px; padding: 10px 16px; border-radius: 12px; background: var(--warn-soft); color: var(--warn); font-size: 14px; }

/* Range switch */
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.segmented { display: inline-flex; padding: 3px; gap: 2px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-elev); }
.segmented button {
  border: 0; background: none; color: var(--text-muted); cursor: pointer;
  padding: 6px 14px; border-radius: 9px; font-size: 14px; font-weight: 600;
}
.segmented button:hover { color: var(--text); }
.segmented button[aria-pressed="true"] { background: var(--bg-elev-2); color: var(--text); box-shadow: 0 1px 3px hsla(0, 0%, 0%, 0.2); }
.segmented button:focus-visible { outline: 2px solid var(--brand); outline-offset: 1px; }
.toolbar-hint { font-size: 13px; }
.overall--ok { border-color: rgba(60, 207, 122, 0.45); background: linear-gradient(0deg, var(--ok-soft), var(--ok-soft)), var(--bg-elev); }
.overall--ok .overall-icon { background: var(--ok); }
.overall--degraded { border-color: rgba(245, 185, 66, 0.5); background: linear-gradient(0deg, var(--warn-soft), var(--warn-soft)), var(--bg-elev); }
.overall--degraded .overall-icon { background: var(--warn); }
.overall--down { border-color: rgba(255, 93, 93, 0.5); background: linear-gradient(0deg, var(--down-soft), var(--down-soft)), var(--bg-elev); }
.overall--down .overall-icon { background: var(--down); }
.overall--maintenance { border-color: rgba(110, 168, 255, 0.5); background: linear-gradient(0deg, var(--maint-soft), var(--maint-soft)), var(--bg-elev); }
.overall--maintenance .overall-icon { background: var(--maint); }
.overall--loading .overall-icon, .overall--unknown .overall-icon { background: var(--none); }

/* Cards */
.card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-elev); padding: 18px 20px; margin-bottom: 20px; }
.card-title { font-size: 16px; margin-bottom: 12px; }
.card--incidents { border-color: rgba(255, 93, 93, 0.45); }
.card--maintenance { border-color: rgba(110, 168, 255, 0.45); }

/* Pills */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: 999px;
  font-size: 12.5px; font-weight: 600; white-space: nowrap;
  background: var(--none); color: var(--text-muted);
}
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pill--UP, .pill--RESOLVED, .pill--COMPLETED { background: var(--ok-soft); color: var(--ok); }
.pill--DEGRADED, .pill--INVESTIGATING, .pill--IDENTIFIED, .pill--SCHEDULED { background: var(--warn-soft); color: var(--warn); }
.pill--DOWN { background: var(--down-soft); color: var(--down); }
.pill--MAINTENANCE, .pill--MONITORING, .pill--ONGOING { background: var(--maint-soft); color: var(--maint); }
.pill--NO_DATA { background: var(--none); color: var(--text-muted); }

/* Groups & monitors */
.groups { display: grid; gap: 16px; margin-bottom: 20px; }
.group { border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-elev); overflow: hidden; }
.group-head {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 16px 20px; background: none; border: 0; color: inherit; text-align: start; cursor: pointer;
}
.group-head:hover { background: var(--bg-elev-2); }
.group-head-text { min-width: 0; }
.group-name { font-size: 16px; display: flex; align-items: center; gap: 8px; }
.group-name::before { content: "▾"; font-size: 12px; color: var(--text-muted); transition: transform 0.15s; }
.group[data-collapsed="true"] .group-name::before { transform: rotate(-90deg); }
.group[data-collapsed="true"] .monitor-list { display: none; }
.group-desc { margin-top: 2px; font-size: 13.5px; }
.monitor-list { border-top: 1px solid var(--line); }
.monitor { padding: 14px 20px; border-top: 1px solid var(--line); }
.monitor:first-child { border-top: 0; }
.monitor-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.monitor-text { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; min-width: 0; }
.monitor-name { font-weight: 600; }
.monitor-stats { font-size: 13px; }
.monitor-side { display: flex; align-items: center; gap: 10px; flex: none; }
.monitor-latest { font-size: 13px; font-variant-numeric: tabular-nums; }
.monitor-latest:empty { display: none; }

.bar { display: flex; gap: 2px; height: 28px; margin-top: 10px; border-radius: 4px; }
.bar[data-range="60m"] { gap: 1px; }
.bar:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; }
.bar span { flex: 1; border-radius: 3px; background: var(--none); min-width: 2px; transition: transform 0.1s; }
.bar[data-range="60m"] span { border-radius: 2px; }
.bar span:hover, .bar span.active { transform: scaleY(1.15); }
.bar span.active { box-shadow: 0 0 0 2px var(--text); }
.bar .d-up { background: var(--ok); }
.bar .d-degraded { background: var(--warn); }
.bar .d-down { background: var(--down); }
.bar .d-down.low { background: color-mix(in srgb, var(--down) 55%, var(--warn)); }
.bar .d-maint { background: var(--maint); }
.bar span.fill { opacity: 0.85; }
.bar-legend { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: 12px; margin-top: 6px; }
.details-toggle { font-size: 12px; text-decoration: none; }
.details-toggle:hover { text-decoration: underline; }

/* Details: response time chart */
.monitor-details { margin-top: 12px; padding: 12px 16px; border-radius: 12px; background: var(--bg-elev-2); border: 1px solid var(--line); }
.chart-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; font-size: 13px; }
.chart-title { font-weight: 600; }
.chart-max { font-variant-numeric: tabular-nums; }
.chart-svg { display: block; width: 100%; height: 96px; margin-top: 8px; overflow: visible; }
.chart-grid { fill: none; stroke: var(--line); stroke-width: 1; stroke-dasharray: 4 4; }
.chart-area { fill: var(--brand); fill-opacity: 0.12; stroke: none; }
.chart-line { fill: none; stroke: var(--brand); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart-dot { fill: none; stroke: var(--brand); stroke-width: 5; stroke-linecap: round; }
.chart-axis { display: flex; justify-content: space-between; font-size: 12px; margin-top: 4px; }
.chart-empty { font-size: 13px; margin-top: 8px; }
.monitor-desc { margin-top: 12px; font-size: 13px; }
.monitor-cadence { margin-top: 4px; font-size: 12px; }
.monitor-cadence:empty { display: none; }

/* Tooltip */
.tip {
  position: absolute; z-index: 20; pointer-events: none;
  max-width: 280px; padding: 8px 12px; border-radius: 10px;
  background: var(--bg-elev-2); color: var(--text); border: 1px solid var(--line);
  box-shadow: 0 5px 15px hsla(0, 0%, 0%, 0.3);
  font-size: 13px; line-height: 1.45; font-variant-numeric: tabular-nums;
}
.tip-head { font-weight: 600; }
.tip-line { color: var(--text-muted); }

/* Incidents */
.incident-list { display: grid; gap: 14px; }
.incident { padding: 14px 16px; border-radius: 12px; background: var(--bg-elev-2); border: 1px solid var(--line); }
.incident-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.incident-title { font-size: 15.5px; }
.incident-meta { font-size: 13px; margin-top: 4px; }
.updates { margin-top: 12px; display: grid; gap: 10px; }
.update { display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: start; }
.update-state { font-size: 12.5px; font-weight: 600; padding-top: 2px; white-space: nowrap; min-width: 8.5em; }
.update-body p { white-space: pre-wrap; word-break: break-word; }
.update-time { font-size: 12.5px; color: var(--text-muted); margin-top: 2px; }
.translated-note { font-size: 12.5px; margin-top: 10px; }
.link { background: none; border: 0; padding: 0; color: var(--brand); cursor: pointer; text-decoration: underline; }
.empty { color: var(--text-muted); font-size: 14px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); margin-top: 28px; padding: 22px 0 40px; color: var(--text-muted); font-size: 13px; }
.site-footer p + p { margin-top: 8px; }
.error { margin: 12px 0 20px; padding: 12px 16px; border-radius: 12px; background: var(--down-soft); color: var(--down); }

/* RTL */
[dir="rtl"] .group-head { text-align: right; }
[dir="rtl"] .update { grid-template-columns: auto 1fr; }

@media (max-width: 640px) {
  .overall { padding: 18px; gap: 12px; margin-top: 18px; }
  .overall-title { font-size: 18px; }
  .overall-icon { width: 36px; height: 36px; }
  .overall-icon::after { inset: 11px; }
  .monitor-row { align-items: flex-start; }
  .monitor-side { flex-direction: column-reverse; align-items: flex-end; gap: 4px; }
  .bar { height: 24px; gap: 1.5px; }
  .bar[data-range="60m"] { gap: 0.5px; }
  .segmented button { padding: 6px 10px; }
  .monitor-details { padding: 12px; }
  .update { grid-template-columns: 1fr; gap: 4px; }
  .update-state { min-width: 0; width: max-content; }
  .brand-text { font-size: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}