:root {
  --bg: #f4f6f8; --panel: #ffffff; --text: #1b2430; --muted: #6b7684; --line: #dde3ea;
  --accent: #0f6fb7; --accent-text: #ffffff; --ok: #1f8a4c; --warn: #b7791f; --bad: #c0392b;
  --series: #2f7fc1; --series-hover: #5aa0d9; --grid: #e6ebf0;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f141a; --panel: #171e26; --text: #e6ebf0; --muted: #8b97a5; --line: #2a3441;
    --accent: #4da3e8; --accent-text: #0b1016; --ok: #4cc27c; --warn: #e0a84a; --bad: #e46a5b;
    --series: #5aa0d9; --series-hover: #8cc0ea; --grid: #232d39;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 system-ui, -apple-system, Segoe UI, Roboto, sans-serif; }
a { color: var(--accent); }
code, pre, .mono { font-family: var(--mono); font-size: 12.5px; }
h1 { font-size: 20px; margin: 0; }
h2 { font-size: 15px; margin: 0 0 10px; }
h3 { font-size: 13px; margin: 12px 0 6px; color: var(--muted); font-weight: 600; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.error { color: var(--bad); margin-top: 8px; }
.warn-text { color: var(--text); background: color-mix(in srgb, var(--warn) 14%, var(--panel)); border: 1px solid var(--warn); border-radius: 6px; padding: 8px 10px; }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 28px 28px 20px; width: 100%; max-width: 440px; display: flex; flex-direction: column; gap: 12px; }
.brand { font-weight: 700; font-size: 17px; white-space: nowrap; }
.brand span { font-weight: 400; color: var(--muted); margin-left: 4px; }
.brand.big { font-size: 22px; }

/* shell */
.topbar { display: flex; align-items: center; gap: 20px; padding: 0 16px; background: var(--panel); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.tabs { display: flex; gap: 2px; overflow-x: auto; flex: 1; }
.tabs button { background: none; border: 0; border-bottom: 2px solid transparent; padding: 14px 12px; color: var(--muted); cursor: pointer; font: inherit; font-weight: 500; }
.tabs button.active { color: var(--text); border-bottom-color: var(--accent); }
.who-box { display: flex; align-items: center; gap: 10px; }
.who { color: var(--ok); font-size: 13px; }

main { padding: 16px; max-width: 1300px; margin: 0 auto; }
.tab { display: none; }
.tab.active { display: block; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; margin-bottom: 16px; min-width: 0; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 16px; margin-bottom: 16px; }
.grid-2 > .card { margin-bottom: 0; }
.grid-2.wide-left { grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr); }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.row.end { justify-content: flex-end; margin-top: 14px; }
.toolbar { margin-bottom: 14px; }

input, select, textarea, button { font: inherit; color: inherit; }
input, select, textarea { background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 7px 9px; width: 100%; }
textarea { font-family: var(--mono); font-size: 12.5px; resize: vertical; }
button { background: var(--accent); color: var(--accent-text); border: 0; border-radius: 6px; padding: 7px 12px; cursor: pointer; font-weight: 600; }
button.secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
button.danger { background: var(--bad); color: #fff; }
button.small { padding: 3px 9px; font-size: 12px; font-weight: 500; }
button:disabled { opacity: .45; cursor: default; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; color: var(--muted); }
label.check { flex-direction: row; align-items: center; gap: 6px; color: var(--text); }
label.check input { width: auto; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 12px; }
.form-grid .span-2 { grid-column: span 2; }
fieldset { border: 1px solid var(--line); border-radius: 6px; padding: 8px 12px 12px; margin: 0; }
legend { color: var(--muted); font-size: 12.5px; padding: 0 4px; }
.segmented { display: inline-flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.segmented button { background: transparent; color: var(--muted); border: 0; border-radius: 0; padding: 5px 10px; font-weight: 500; font-size: 12.5px; }
.segmented button.active { background: var(--accent); color: var(--accent-text); }

dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 12px; margin: 0; }
dl.mini { font-size: 12.5px; margin: 10px 0; }
dt { color: var(--muted); }
dd { margin: 0; overflow-wrap: anywhere; }

/* stat tiles */
.stats { display: flex; gap: 28px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat .label { color: var(--muted); font-size: 12.5px; }
.stat b { font-size: 26px; font-weight: 600; line-height: 1.15; font-variant-numeric: tabular-nums; }
.stat .sub { color: var(--muted); font-size: 12px; }
.stats.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stats.tiles .stat { margin-bottom: 0; }

/* tables */
table.list { width: 100%; border-collapse: collapse; }
table.list th, table.list td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.list th { color: var(--muted); font-weight: 500; font-size: 12.5px; }
table.list th.num, table.list td.num { text-align: right; font-variant-numeric: tabular-nums; }
table.list.compact th, table.list.compact td { padding: 5px 6px; font-size: 13px; }
table.list tr.selected td { background: color-mix(in srgb, var(--accent) 12%, transparent); }
table.list tr.clickable { cursor: pointer; }
table.list code { overflow-wrap: anywhere; }
.pill { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; border: 1px solid var(--line); white-space: nowrap; }
.pill.ok { color: var(--ok); border-color: var(--ok); }
.pill.warn { color: var(--warn); border-color: var(--warn); }
.pill.bad { color: var(--bad); border-color: var(--bad); }
.pill.run { color: var(--accent); border-color: var(--accent); }
.out { background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 8px; max-height: 220px; overflow: auto; margin: 0; white-space: pre-wrap; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; margin: 10px 0; }

/* chart: bars <= 24px, 4px rounded tops, 2px surface gap, recessive grid, tooltip on hover */
.chart { width: 100%; height: 220px; }
.chart svg { width: 100%; height: 100%; display: block; overflow: visible; }
.chart .gridline { stroke: var(--grid); stroke-width: 1; }
.chart .axis-text { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.chart .bar { fill: var(--series); }
.chart .hit { fill: transparent; cursor: default; }
.chart .hit:hover + .bar, .chart .hit:focus + .bar { fill: var(--series-hover); }
.chart .empty { fill: var(--muted); font-size: 12.5px; }
.tip { position: fixed; pointer-events: none; background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 6px; padding: 6px 9px; font-size: 12.5px; box-shadow: 0 4px 16px rgba(0,0,0,.18); z-index: 20; }
.tip b { font-size: 14px; }

/* multiple-choice groups in the key generator */
.choices-group { padding: 8px 12px 10px; }
.choices-group legend { display: flex; align-items: center; gap: 8px; }
.choices { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 8px; }
.choices.two { grid-template-columns: 1fr 1fr; }
.choice { flex-direction: row; align-items: flex-start; gap: 8px; border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; cursor: pointer; color: var(--text); }
.choice:has(input:checked) { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); }
.choice input { width: auto; margin-top: 3px; }
.choice span { display: flex; flex-direction: column; gap: 1px; }
.choice small { color: var(--muted); font-size: 11.5px; line-height: 1.3; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.chip { flex-direction: row; cursor: pointer; }
.chip input { position: absolute; opacity: 0; width: 0; height: 0; }
.chip span { display: inline-block; border: 1px solid var(--line); border-radius: 999px; padding: 4px 11px; font-size: 12.5px; color: var(--text); }
.chip:has(input:checked) span { border-color: var(--accent); background: var(--accent); color: var(--accent-text); }
.chip-input { width: 150px; }
.scope-tags { display: flex; flex-wrap: wrap; gap: 3px; }
.scope-tags code { font-size: 11px; border: 1px solid var(--line); border-radius: 4px; padding: 0 5px; }

/* examples */
.example { padding: 12px 16px 14px; }
.example .head { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; margin-bottom: 4px; }
.example h2 { margin: 0; font-size: 14.5px; }
.method { display: inline-block; font: 600 11px/1 var(--mono); letter-spacing: .3px; padding: 4px 7px; border-radius: 4px; color: #fff; background: var(--muted); }
.method.get { background: #1f8a4c; } .method.post { background: #0f6fb7; } .method.delete { background: #c0392b; } .method.patch { background: #b7791f; }
.example .path { font-family: var(--mono); font-size: 12.5px; color: var(--text); overflow-wrap: anywhere; }
.example .note { color: var(--muted); font-size: 12.5px; margin: 2px 0 6px; }
.codewrap { position: relative; }
pre.code { background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; margin: 0; overflow: auto; font-size: 12.5px; line-height: 1.5; white-space: pre; tab-size: 2; }
.codewrap .copy { position: absolute; top: 6px; right: 6px; }
.chips .chip.count span::after { content: attr(data-count); margin-left: 6px; opacity: .7; }

/* dialog */
dialog { border: 1px solid var(--line); border-radius: 10px; padding: 0; background: var(--panel); color: var(--text); width: min(560px, 94vw); }
dialog::backdrop { background: rgba(0, 0, 0, .45); }
.dialog-body { padding: 22px 24px; display: flex; flex-direction: column; gap: 10px; }
.dialog-body .form-grid { margin-top: 4px; }
.keybox { display: flex; gap: 8px; align-items: center; background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; }
.keybox code { flex: 1; overflow-wrap: anywhere; font-size: 13px; }

.toast { position: fixed; right: 16px; bottom: 16px; background: var(--text); color: var(--bg); padding: 10px 14px; border-radius: 8px; max-width: 420px; z-index: 30; box-shadow: 0 6px 24px rgba(0,0,0,.25); }
.toast.bad { background: var(--bad); color: #fff; }

@media (max-width: 760px) {
  .form-grid { grid-template-columns: 1fr; } .form-grid .span-2 { grid-column: span 1; }
  .grid-2.wide-left { grid-template-columns: 1fr; } main { padding: 12px; }
  .topbar { gap: 8px; padding: 0 12px; } .tabs button { padding: 12px 10px; }
}