:root {
  --bg: #f3f4f6;
  --card: #fff;
  --ink: #111827;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #0f766e;
  --danger: #b91c1c;
  --warn: #b45309;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.top { background: #111827; color: #fff; }
.top .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 56px; }
.brand { color: #fff; font-weight: 700; letter-spacing: .02em; }
.top nav { display: flex; gap: 18px; }
.top nav a { color: #d1d5db; }
.top nav a:hover { color: #fff; text-decoration: none; }
.banner {
  background: #fff7ed;
  color: #9a3412;
  padding: 10px 20px;
  text-align: center;
  font-size: 13px;
  border-bottom: 1px solid #fed7aa;
}
main.wrap { padding: 28px 20px 64px; }
h1 { font-size: 22px; margin: 0 0 8px; }
h2 { font-size: 16px; margin: 28px 0 10px; }
.muted { color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin: 16px 0 24px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; }
.stat b { display: block; font-size: 22px; }
.stat span { color: var(--muted); font-size: 12px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin: 16px 0; }
table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); font-size: 13px; vertical-align: top; }
th { color: var(--muted); font-weight: 600; background: #fafafa; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; background: #e5e7eb; }
.pill.running { background: #d1fae5; }
.pill.paused { background: #fde68a; }
.pill.draft { background: #e5e7eb; }
.pill.finished { background: #dbeafe; }
.pill.sent, .pill.opened { background: #d1fae5; }
.pill.failed { background: #fecaca; }
.pill.queued { background: #e5e7eb; }
.pill.unsubscribed { background: #f3f4f6; }
form.stack label { display: block; margin: 12px 0 4px; font-size: 13px; color: var(--muted); }
input[type=text], input[type=password], input[type=number], input[type=time], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; font: inherit;
}
textarea { min-height: 220px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0; }
button, .btn {
  border: 0; background: var(--accent); color: #fff; padding: 8px 14px; border-radius: 6px;
  font: inherit; cursor: pointer; display: inline-block;
}
button.secondary, .btn.secondary { background: #374151; }
button.danger { background: var(--danger); }
.filters a { margin-right: 10px; }
.login { max-width: 360px; margin: 80px auto; background: #fff; padding: 24px; border: 1px solid var(--line); border-radius: 8px; }
.notice { padding: 10px 12px; background: #ecfdf5; border: 1px solid #a7f3d0; border-radius: 6px; margin-bottom: 16px; }
.err { padding: 10px 12px; background: #fef2f2; border: 1px solid #fecaca; border-radius: 6px; margin-bottom: 16px; }
.radios label { display: block; margin: 6px 0; color: var(--ink); }
.radios input { width: auto; margin-right: 8px; }
@media (max-width: 700px) { .row { grid-template-columns: 1fr; } }