:root {
  --bg: #f5f7fa; --panel: #fff; --text: #1f2933; --muted: #67727e; --line: #e1e5ea;
  --accent: #1d4ed8; --accent-soft: #e8efff; --ok: #157347; --ok-soft: #e6f4ec;
  --warn: #b45309; --warn-soft: #fdf3e2; --bad: #b42318; --bad-soft: #fdecea;
  --radius: 8px;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
header.top { background: #0f172a; color: #fff; }
header.top .wrap { display: flex; align-items: center; gap: 24px; min-height: 56px; flex-wrap: wrap; }
header.top .brand { color: #fff; font-weight: 600; font-size: 17px; }
header.top .brand span { color: #93a4bf; font-weight: 400; }
header.top nav { display: flex; gap: 18px; align-items: center; margin-left: auto; flex-wrap: wrap; }
header.top nav a, header.top nav button { color: #cbd5e1; font-size: 14px; }
header.top nav a.on { color: #fff; }
main.wrap { padding-block: 28px 60px; }
h1 { font-size: 24px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 0 0 14px; }
.sub { color: var(--muted); margin: 0 0 24px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-bottom: 20px; }
.panel > h2:first-child { display: flex; align-items: center; gap: 10px; }
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.stats { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); margin-bottom: 20px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 18px; }
.stat b { display: block; font-size: 24px; font-variant-numeric: tabular-nums; }
.stat span { color: var(--muted); font-size: 13px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-weight: 600; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
th, td { padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.mono { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 13px; }
.badge { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 99px; background: var(--line); color: var(--text); white-space: nowrap; }
.badge.ok, .badge.sent { background: var(--ok-soft); color: var(--ok); }
.badge.warn, .badge.limited { background: var(--warn-soft); color: var(--warn); }
.badge.bad, .badge.failed, .badge.rejected { background: var(--bad-soft); color: var(--bad); }
.flash { padding: 10px 14px; border-radius: var(--radius); margin-bottom: 20px; }
.flash.ok { background: var(--ok-soft); color: var(--ok); }
.flash.error { background: var(--bad-soft); color: var(--bad); }
form.inline { display: inline; }
label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 4px; }
label.check { display: flex; gap: 8px; align-items: center; font-weight: 400; font-size: 14px; }
input[type=text], input[type=email], input[type=number], input[type=month], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid #cbd2d9; border-radius: 6px; font: inherit; background: #fff; color: inherit;
}
textarea { min-height: 70px; }
.field { margin-bottom: 14px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.row > .field { flex: 1 1 160px; }
.row > .field.grow { flex: 3 1 240px; }
.addr { display: flex; align-items: center; gap: 6px; }
.addr span { color: var(--muted); }
button, .btn { display: inline-block; font: inherit; font-size: 14px; padding: 8px 14px; border-radius: 6px; border: 1px solid var(--accent);
  background: var(--accent); color: #fff; cursor: pointer; white-space: nowrap; }
button.secondary, .btn.secondary { background: #fff; color: var(--accent); }
button.danger { background: #fff; border-color: #f0b4ae; color: var(--bad); }
button.link { background: none; border: 0; padding: 0; color: inherit; cursor: pointer; }
button.small, .btn.small { padding: 4px 10px; font-size: 13px; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
details > summary { cursor: pointer; color: var(--accent); font-size: 13px; }
details[open] > summary { margin-bottom: 10px; }
.edit-box { background: var(--bg); border-radius: var(--radius); padding: 14px; margin-top: 8px; }
.code { font-family: ui-monospace, Consolas, monospace; font-size: 32px; letter-spacing: .12em; font-weight: 600;
  background: var(--accent-soft); color: var(--accent); padding: 12px 20px; border-radius: var(--radius); display: inline-block; user-select: all; }
.secret { font-family: ui-monospace, Consolas, monospace; font-size: 20px; background: var(--warn-soft); padding: 8px 14px; border-radius: 6px; user-select: all; display: inline-block; }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; }
.center { max-width: 420px; margin: 60px auto; }
.steps { padding-left: 20px; }
.steps li { margin-bottom: 8px; }
.status { display: flex; gap: 10px; align-items: center; padding: 12px 14px; border-radius: var(--radius); background: var(--bg); }
.spinner { width: 16px; height: 16px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.meter { font-variant-numeric: tabular-nums; white-space: nowrap; }
.pager { display: flex; gap: 10px; margin-top: 14px; }