:root {
  /* the same look as the website: one mint accent; 10px for controls, 16px for panels */
  --bg: #f3f6f7; --card: #ffffff; --ink: #0c171b; --muted: #4b5a61; --line: #d6e0e3;
  --accent: #19c9a3; --accent-ink: #04130f; --accent-text: #0a7a64; --good: #16803c; --bad: #b42318; --warn: #9a5b00;
  --radius: 16px; --radius-s: 10px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0a0c0f; --card: #10141a; --ink: #e9eff2; --muted: #93a2ad; --line: #232b33;
          --accent: #19c9a3; --accent-ink: #04130f; --accent-text: #3ee0b8; --good: #4ade80; --bad: #f87171; --warn: #fbbf24; }
}
* { box-sizing: border-box; }
html { font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Arabic", "Noto Sans Devanagari", "Noto Sans Thai", "Noto Sans SC", "Noto Sans JP", "Noto Sans KR", "PingFang SC", "Microsoft YaHei", sans-serif; }
body { margin: 0; background: var(--bg); color: var(--ink); }
header { display: flex; justify-content: space-between; align-items: center; gap: 16px; max-width: 960px; margin: 0 auto; padding: 16px 16px 8px; }
.head-left, .head-right { display: flex; align-items: center; gap: 16px; min-width: 0; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 700; color: var(--ink); text-decoration: none; white-space: nowrap; }
.brand img { width: 28px; height: 28px; }
.site-link { color: var(--muted); text-decoration: none; font-size: 14px; }
.site-link:hover { color: var(--ink); }
h1 { font-size: 17px; margin: 0; padding-inline-start: 16px; border-inline-start: 1px solid var(--line); color: var(--muted); font-weight: 600; }
h2 { font-size: 16px; margin: 0 0 10px; }
h3 { font-size: 14px; margin: 18px 0 8px; color: var(--muted); font-weight: 600; }
main { max-width: 960px; margin: 0 auto; padding: 8px 16px 48px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin: 12px 0; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; border-bottom: 1px solid var(--line); margin: 8px 0 4px; }
.tabs button { background: none; border: 0; padding: 9px 14px; color: var(--muted); font: inherit; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }
.tabs button:hover { color: var(--ink); }
button, input, select { font: inherit; color: inherit; }
button.primary { background: var(--accent); color: var(--accent-ink); border: 0; border-radius: var(--radius-s); padding: 9px 18px; cursor: pointer; font-weight: 600; transition: filter .15s, transform .1s; }
button.primary:hover { filter: brightness(1.07); }
button.primary:active { transform: translateY(1px); }
button.primary:disabled { opacity: .55; cursor: default; }
button.secondary { background: none; border: 1px solid var(--line); border-radius: var(--radius-s); padding: 8px 15px; cursor: pointer; }
button.secondary:hover { background: var(--bg); }
button.link { background: none; border: 0; color: var(--accent-text); cursor: pointer; padding: 0; }
button.danger { color: var(--bad); }
input, select { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-s); padding: 9px 11px; min-width: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
input[type=number] { width: 8em; }
input.wide { width: 100%; }
label { display: block; color: var(--muted); font-size: 13px; margin: 10px 0 4px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
.big { font-size: 34px; font-weight: 650; letter-spacing: -.5px; }
.muted { color: var(--muted); }
.good { color: var(--good); } .bad { color: var(--bad); } .warn { color: var(--warn); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.stat .n { font-size: 20px; font-weight: 600; }
.stat .l { color: var(--muted); font-size: 13px; }
table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
th, td { text-align: start; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12.5px; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.scroll { overflow-x: auto; }
code, pre { font: 13px/1.5 ui-monospace, SFMono-Regular, Consolas, monospace; }
pre { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-s); padding: 10px 12px; overflow-x: auto; margin: 8px 0; white-space: pre-wrap; word-break: break-all; }
.note { border-inline-start: 3px solid var(--accent); background: var(--bg); padding: 10px 14px; border-radius: var(--radius-s); margin: 10px 0; font-size: 14px; }
.msg { margin: 8px 0; min-height: 1.4em; }
.pill { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 99px; border: 1px solid var(--line); color: var(--muted); }
.pill.on { color: var(--good); border-color: var(--good); }
.origin { font-weight: 650; font-size: 18px; word-break: break-all; }
.brand span b { font-weight: 700; } .brand span i { font-style: normal; font-weight: 400; color: var(--muted); margin-inline-start: .26em; }
#lang { padding: 5px 8px; font-size: 13px; color: var(--muted); max-width: 11em; }
td.num, th.num { text-align: end; }