:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #1c2430;
  --muted: #5d6877;
  --border: #d5dae1;
  --ok-bg: #e6f6ea;
  --ok-border: #2e9e4f;
  --fail-bg: #fde8e8;
  --fail-border: #d33a3a;
  --accent: #1a5fd0;
  --warn: #b7791f;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14181f;
    --panel: #1d232c;
    --text: #e6eaf0;
    --muted: #9aa5b4;
    --border: #36404e;
    --ok-bg: #16301f;
    --ok-border: #46b76a;
    --fail-bg: #3a1c1c;
    --fail-border: #ec6a6a;
    --accent: #6ea2ff;
    --warn: #e0b23c;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 16px;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", "Noto Sans TC", sans-serif;
}

h1 { font-size: 1.3rem; margin: 0 0 4px; }
h2 { font-size: 1.05rem; margin: 0 0 8px; }
.muted { color: var(--muted); font-size: 0.9rem; }
nav a { color: var(--accent); margin-right: 12px; }

.panel, .card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}

.settings { display: grid; gap: 8px; margin: 12px 0; }
.columns { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

label { display: grid; gap: 2px; font-size: 0.85rem; color: var(--muted); }
input, select, button {
  font: inherit;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
}
button { cursor: pointer; background: var(--accent); color: #fff; border-color: transparent; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.secondary { background: transparent; color: var(--accent); border-color: var(--accent); }

.actions { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0; }
.counts { font-size: 0.9rem; color: var(--muted); }

.card { margin-top: 8px; }
.card.ok { background: var(--ok-bg); border-color: var(--ok-border); }
.card.fail { background: var(--fail-bg); border-color: var(--fail-border); }
.card.info { background: var(--panel); border-color: var(--muted); }
.card .title { font-weight: 600; }
.card dl { display: grid; grid-template-columns: max-content 1fr; gap: 2px 12px; margin: 8px 0; font-size: 0.9rem; }
.card dt { color: var(--muted); }
.card dd { margin: 0; word-break: break-all; }
pre { margin: 8px 0 0; padding: 8px; overflow: auto; max-height: 260px; background: var(--bg); border-radius: 6px; font-size: 0.8rem; }

.stats { display: flex; gap: 16px; flex-wrap: wrap; margin: 12px 0; }
.stat { min-width: 120px; }
.stat .num { font-size: 1.8rem; font-weight: 700; }
.banner { padding: 6px 10px; border-radius: 6px; background: var(--fail-bg); border: 1px solid var(--fail-border); margin: 8px 0; }
.banner[hidden] { display: none; }

#messages { list-style: none; padding: 0; margin: 12px 0; display: grid; gap: 8px; }
#messages li { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; }
.meta { font-size: 0.8rem; color: var(--muted); display: flex; gap: 8px; flex-wrap: wrap; }
.tag { padding: 0 6px; border-radius: 4px; border: 1px solid var(--border); }
.tag.apigee { border-color: var(--accent); color: var(--accent); }
.msg-text { word-break: break-word; white-space: pre-wrap; }
details { margin-top: 12px; }

h3 { font-size: 0.95rem; margin: 12px 0 6px; }
.dashboard { margin-top: 12px; }
.dashboard-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.bars { display: grid; gap: 6px; }
.bar-row { display: grid; grid-template-columns: 3.2rem 1fr 2.4rem; gap: 8px; align-items: center; font-size: 0.9rem; }
.bar-key { color: var(--muted); }
.bar-count { text-align: right; }
.bar-track { background: var(--bg); border: 1px solid var(--border); border-radius: 4px; height: 14px; overflow: hidden; }
.bar-fill { height: 100%; transition: width 0.2s; }
.bar-fill.ok { background: var(--ok-border); }
.bar-fill.limited { background: var(--warn); }
.bar-fill.fail { background: var(--fail-border); }
#latency-chart { width: 100%; max-width: 640px; height: auto; background: var(--bg); border: 1px solid var(--border); border-radius: 6px; }
#latency-chart .axis { stroke: var(--border); stroke-width: 1; }
#latency-chart .line { fill: none; stroke-width: 2; }
#latency-chart .line.direct, #latency-chart .dot.direct { stroke: var(--muted); color: var(--muted); }
#latency-chart .line.apigee, #latency-chart .dot.apigee { stroke: var(--accent); color: var(--accent); }
#latency-chart .dot { fill: currentColor; stroke: none; }
#latency-chart .dot.hit { fill: var(--ok-border); stroke: var(--panel); stroke-width: 1.5; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 0.85rem; margin-top: 6px; }
.swatch { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 4px; }
.swatch.direct { background: var(--muted); }
.swatch.apigee { background: var(--accent); }
.swatch.hit { background: var(--ok-border); }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 0.85rem; }
th, td { text-align: left; padding: 4px 8px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; }

.panel + .panel { margin-top: 12px; }
code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.85em; word-break: break-all; }