:root {
  --bg: #f5f6f8; --surface: #fff; --text: #1d2330; --muted: #677085; --border: #dde1e8;
  --accent: #1f5fbf; --accent-text: #fff;
  --ok: #2e8b57; --warn: #d08a1c; --bad: #c2413a;
  --ok-bg: #e5f4ec; --warn-bg: #fbf0dc; --bad-bg: #fbe6e4; --notice-bg: #e8f0fc;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c; --surface: #1d2128; --text: #e4e7ec; --muted: #9aa3b2; --border: #323844;
    --accent: #5b9cf0; --accent-text: #0d1117;
    --ok: #5cc28a; --warn: #e9ad4f; --bad: #ef7a72;
    --ok-bg: #1d3328; --warn-bg: #3a2f1a; --bad-bg: #3d2120; --notice-bg: #1d2a40;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
main { max-width: 1280px; margin: 0 auto; padding: 20px 16px 48px; }
h1 { font-size: 1.5rem; margin: 0 0 16px; }
h2 { font-size: 1.05rem; margin: 0 0 12px; display: flex; gap: 12px; align-items: baseline; }
.small { font-size: .85rem; font-weight: normal; }
.muted { color: var(--muted); }
.mono, .mono-wrap { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.mono-wrap { word-break: break-all; }
.nowrap { white-space: nowrap; }

.top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px;
       padding: 12px 16px; background: var(--surface); border-bottom: 1px solid var(--border); }
.brand { font-weight: 700; color: var(--text); text-decoration: none; }
.top nav { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.top nav a { text-decoration: none; }
.who { color: var(--muted); font-size: .9rem; }
form.inline { display: inline; margin: 0; }
button.link { background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; font: inherit; text-decoration: underline; }

.auth { max-width: 420px; margin: 40px auto; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 28px; }
.auth form { display: grid; gap: 14px; margin-top: 12px; }
label { display: grid; gap: 4px; font-size: .9rem; color: var(--muted); }
input, select { font: inherit; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--text); }
button.primary { font: inherit; font-weight: 600; padding: 9px 16px; border: 0; border-radius: 6px; background: var(--accent); color: var(--accent-text); cursor: pointer; }
.error { background: var(--bad-bg); color: var(--bad); padding: 10px 12px; border-radius: 6px; }
.notice { background: var(--notice-bg); padding: 10px 12px; border-radius: 6px; }
.qr { display: block; width: 220px; height: 220px; margin: 12px auto; background: #fff; padding: 6px; border-radius: 6px; }
.steps { padding-left: 20px; }

.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.tile { display: grid; gap: 6px; padding: 20px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
        text-decoration: none; color: var(--text); }
.tile:hover { border-color: var(--accent); }
.tile strong { font-size: 1.2rem; color: var(--accent); }
.tile span { color: var(--muted); font-size: .9rem; }

.tabs { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 14px; border-bottom: 1px solid var(--border); }
.tabs a { padding: 8px 14px; text-decoration: none; color: var(--muted); border-bottom: 2px solid transparent; }
.tabs a.active { color: var(--text); border-color: var(--accent); font-weight: 600; }

.filters { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; background: var(--surface); border: 1px solid var(--border);
           border-radius: 10px; padding: 14px; margin-bottom: 16px; }
.filters fieldset { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.filters legend { font-size: .9rem; color: var(--muted); padding: 0; margin-bottom: 4px; }
label.chk { display: flex; gap: 6px; align-items: center; color: var(--text); }

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpis > div { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 14px; color: var(--muted); font-size: .9rem; }
.kpis span { display: block; font-size: 1.6rem; font-weight: 700; color: var(--text); }
.kpis small { display: block; }
.kpis .ok span { color: var(--ok); } .kpis .warn span { color: var(--warn); } .kpis .bad span { color: var(--bad); }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 16px; margin-bottom: 16px; min-width: 0; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 16px; }
@media (max-width: 520px) { .grid2 { grid-template-columns: 1fr; } }
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
td { word-break: break-word; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.err { color: var(--muted); font-size: .82rem; max-width: 520px; }
table.compact td, table.compact th { padding: 4px 8px; }
.actions { white-space: nowrap; display: flex; flex-wrap: wrap; gap: 10px; }
.pager { display: flex; gap: 16px; justify-content: center; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: .78rem; font-weight: 600; white-space: nowrap; }
.badge.delivered { background: var(--ok-bg); color: var(--ok); }
.badge.deferred { background: var(--warn-bg); color: var(--warn); }
.badge.bounced { background: var(--bad-bg); color: var(--bad); }
.bad-text { color: var(--bad); }

.chart { width: 100%; height: auto; display: block; }
.chart .grid { stroke: var(--border); }
.chart .axis { fill: var(--muted); font-size: 11px; }
.c-ok { fill: var(--ok); background: var(--ok); } .c-warn { fill: var(--warn); background: var(--warn); } .c-bad { fill: var(--bad); background: var(--bad); }
.legend { display: flex; gap: 16px; margin: 6px 0 12px; font-size: .85rem; color: var(--muted); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; }

dl.props { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0; }
dl.props dt { color: var(--muted); }
dl.props dd { margin: 0; word-break: break-word; }