:root { color-scheme: light dark; --fg: #1d1d1f; --bg: #fafafa; --muted: #6b6b70; --line: #d9d9de; --accent: #0b5cad; --warn: #fff3cd; --err: #a40e26; }
@media (prefers-color-scheme: dark) { :root { --fg: #ececf0; --bg: #16161a; --muted: #a0a0a8; --line: #33333a; --accent: #6aa8ff; --warn: #3d3200; --err: #ff8a9a; } }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--fg); background: var(--bg); }
.top { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; padding: .75rem 1rem; border-bottom: 1px solid var(--line); }
.top nav { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.brand { font-weight: 700; text-decoration: none; color: var(--fg); }
.who { color: var(--muted); }
main { max-width: 72rem; margin: 0 auto; padding: 1rem; }
a { color: var(--accent); }
table { width: 100%; border-collapse: collapse; margin: .5rem 0 1.5rem; display: block; overflow-x: auto; }
th, td { text-align: left; padding: .4rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
tr.warn td { background: var(--warn); }
form { display: grid; gap: .6rem; max-width: 36rem; margin-bottom: 1.5rem; }
form.inline { display: inline; margin: 0; }
label { display: grid; gap: .25rem; }
input, textarea, select, button { font: inherit; padding: .45rem .6rem; border: 1px solid var(--line); border-radius: 6px; background: transparent; color: inherit; }
button { cursor: pointer; background: var(--accent); color: #fff; border-color: var(--accent); }
.error { color: var(--err); margin: 0; }
.warn { background: var(--warn); padding: .5rem .75rem; border-radius: 6px; }
.card.narrow { max-width: 28rem; margin: 2rem auto; }
code.token, code.link, code.secret { display: block; padding: .6rem; border: 1px dashed var(--line); word-break: break-all; user-select: all; }
.qr svg { width: 220px; height: 220px; background: #fff; padding: 8px; }
fieldset { border: 1px solid var(--line); border-radius: 6px; }
.chart { width: 100%; max-width: 640px; height: auto; }
.chart .bar { fill: var(--accent); }
.chart .axis { stroke: var(--muted); stroke-width: 1; }
.chart text { fill: var(--fg); font-size: 11px; }
.chart .axis-title { fill: var(--muted); }