:root {
  --bg: #f6f5f1;
  --surface: #ffffff;
  --ink: #1d1d1b;
  --muted: #6d6a63;
  --line: #e4e1d9;
  --accent: #1f6f5c;
  --accent-ink: #ffffff;
  --spam: #c0392b;
  --warn: #b7791f;
  --ok: #2f855a;
  --radius: 10px;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141412;
    --surface: #1d1d1a;
    --ink: #ecebe6;
    --muted: #9b978d;
    --line: #2e2d29;
    --accent: #4fb39a;
    --accent-ink: #0e1a17;
    --spam: #e5675a;
    --warn: #e0a545;
    --ok: #5cc08a;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: var(--mono); font-size: 13px; }
pre { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; overflow-x: auto; }
h1 { font-size: 22px; margin: 0; }
h2 { font-size: 18px; margin: 28px 0 12px; }
h3 { font-size: 15px; margin: 0 0 12px; }
small, .muted { color: var(--muted); font-weight: normal; }

.wrap { max-width: 1160px; margin: 0 auto; padding-inline: 20px; }
.narrow { max-width: 420px; padding-block: 60px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 18px; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 18px; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.grid2 > .card, .grid3 > .card { margin-bottom: 0; }
.grid2 + .card, .grid2 + h2 { margin-top: 18px; }

.btn {
  display: inline-block; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink);
  border-radius: 8px; padding: 8px 16px; font: inherit; font-weight: 600; cursor: pointer;
}
.btn:hover { text-decoration: none; filter: brightness(1.05); }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.danger { background: var(--spam); border-color: var(--spam); color: #fff; }
button.link { background: none; border: 0; color: var(--muted); font: inherit; cursor: pointer; }

input, select, textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px;
}
textarea { font-family: var(--mono); font-size: 13px; }
label { display: block; margin-bottom: 12px; font-size: 13px; color: var(--muted); }
label > input, label > select, label > textarea { margin-top: 4px; }
label.check { display: flex; gap: 8px; align-items: center; color: var(--ink); }
label.check input { width: auto; margin: 0; }
.error { background: color-mix(in srgb, var(--spam) 12%, transparent); color: var(--spam); padding: 10px 14px; border-radius: 8px; }
form.inline { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
form.inline input { max-width: 280px; }
form.danger { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; margin: 30px 0 60px; padding: 14px 18px;
  border: 1px dashed var(--spam); border-radius: var(--radius); color: var(--muted); font-size: 13px; }
form.danger label { margin: 0; flex: 1; min-width: 240px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
th, td { padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
table.mini td { padding: 4px 6px; }
.scroll { overflow-x: auto; }

.tag { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 99px; background: var(--bg); border: 1px solid var(--line); }
.tag.spam, .tag.blocklisted { color: var(--spam); border-color: var(--spam); }
.tag.ham, .tag.allowlisted { color: var(--ok); border-color: var(--ok); }
.tag.error { color: var(--warn); border-color: var(--warn); }
.tag.enforce { color: var(--accent); border-color: var(--accent); }

/* admin */
.topbar { display: flex; align-items: center; gap: 24px; padding: 12px 20px; background: var(--surface); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.topbar nav { display: flex; gap: 18px; flex: 1; flex-wrap: wrap; }
.topbar nav a { color: var(--muted); }
.topbar nav a.on { color: var(--ink); font-weight: 600; }
.brand { font-weight: 700; color: var(--ink); display: flex; align-items: center; gap: 8px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }
.admin main { padding-block: 24px; }
.head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.filters select { width: auto; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg button { border: 0; background: var(--surface); color: var(--muted); padding: 7px 12px; font: inherit; cursor: pointer; }
.seg button.on { background: var(--accent); color: var(--accent-ink); }

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.kpi span { display: block; font-size: 12px; color: var(--muted); }
.kpi b { font-size: 22px; font-variant-numeric: tabular-nums; }
.kpi small { margin-left: 6px; }
.kpi.spam b { color: var(--spam); }
.kpi.warn b { color: var(--warn); }

.bars { display: flex; align-items: flex-end; gap: 2px; height: 140px; }
.bar { flex: 1; height: 100%; display: flex; align-items: flex-end; min-width: 2px; }
.bar i { display: flex; align-items: flex-end; width: 100%; background: var(--line); border-radius: 3px 3px 0 0; min-height: 1px; }
.bar em { display: block; width: 100%; background: var(--spam); border-radius: 3px 3px 0 0; }

/* public site */
.site .hero { padding-block: 72px 40px; }
.eyebrow { color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: .08em; font-size: 12px; }
.hero h1 { font-size: clamp(30px, 5vw, 48px); line-height: 1.1; margin: 10px 0 16px; letter-spacing: -.02em; }
.lead { font-size: 18px; color: var(--muted); max-width: 640px; }
.cta { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.site section { margin-bottom: 40px; }
.foot { display: flex; justify-content: space-between; padding-block: 30px; color: var(--muted); font-size: 13px; border-top: 1px solid var(--line); flex-wrap: wrap; gap: 10px; }
.login h2 { margin-top: 0; }

/* public site: navigation, guides */
.sitebar { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; }
.sitebar-in { display: flex; align-items: center; gap: 24px; padding-block: 12px; flex-wrap: wrap; }
.sitebar nav { display: flex; gap: 18px; flex-wrap: wrap; }
.sitebar nav a { color: var(--muted); }
.sitebar nav a.on { color: var(--ink); font-weight: 600; }
.site h2 { font-size: 22px; margin: 0 0 14px; }
.flow { counter-reset: f; list-style: none; padding: 0; display: grid; gap: 10px; }
.flow li { counter-increment: f; position: relative; padding: 12px 16px 12px 52px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.flow li::before { content: counter(f); position: absolute; left: 14px; top: 11px; width: 26px; height: 26px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-weight: 700; display: grid; place-items: center; font-size: 13px; }
.callout { background: color-mix(in srgb, var(--accent) 9%, var(--surface)); border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent); border-radius: var(--radius); padding: 14px 18px; margin: 16px 0; }
.callout.warn { background: color-mix(in srgb, var(--warn) 10%, var(--surface)); border-color: color-mix(in srgb, var(--warn) 45%, transparent); }
table.plain { margin: 12px 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: block; overflow-x: auto; }
table.plain th { width: 180px; text-transform: none; letter-spacing: 0; font-size: 14px; color: var(--ink); font-weight: 600; white-space: nowrap; }
details { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; margin-bottom: 10px; }
details summary { cursor: pointer; font-weight: 600; }
details[open] summary { margin-bottom: 8px; }
a.card.guide { display: block; color: var(--ink); transition: border-color .15s; }
a.card.guide:hover { border-color: var(--accent); text-decoration: none; }
a.card.guide h3 { color: var(--accent); }
.guide-page { padding-block: 40px 20px; max-width: 900px; }
.guide-page h1 { font-size: clamp(28px, 4vw, 38px); margin: 6px 0 12px; }
.guide-page h3 { margin-top: 18px; }
.toc { margin: 24px 0; }
.toc ol { margin: 8px 0 0; padding-left: 20px; }
.step { margin: 36px 0; scroll-margin-top: 70px; }
.step h2 { display: flex; align-items: center; gap: 12px; }
.step h2 span { width: 32px; height: 32px; flex: none; border-radius: 50%; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font-size: 15px; }
.step li { margin-bottom: 8px; }
pre { position: relative; }
pre .copy { position: absolute; top: 6px; right: 6px; font: 12px system-ui, sans-serif; padding: 3px 9px; border-radius: 6px; border: 1px solid var(--line); background: var(--surface); color: var(--muted); cursor: pointer; opacity: .8; }
pre .copy:hover { opacity: 1; color: var(--ink); }
pre code { display: block; padding-right: 64px; white-space: pre; }