/* S3A operator review UI — internal ops tool styling.
 * Deliberately plain: legible, dense, no external fonts or CDNs. */

:root {
  --fg: #1b1f24;
  --fg-muted: #5b6672;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --border: #d7dce2;
  --accent: #1f6feb;
  --accent-fg: #ffffff;
  --ok-bg: #e6f4ea;
  --ok-fg: #1a7f37;
  --warn-bg: #fff3d6;
  --warn-fg: #8a6100;
  --danger-bg: #fde7e9;
  --danger-fg: #b42318;
  --neutral-bg: #eaeef2;
  --neutral-fg: #48525d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  font-size: 14px;
  line-height: 1.45;
  color: var(--fg);
  background: var(--bg);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

header.topbar {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 12px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
header.topbar .brand { font-weight: 700; font-size: 16px; }
header.topbar .sub { color: var(--fg-muted); font-size: 12px; }

main { padding: 24px; max-width: 1100px; margin: 0 auto; }

h1 { font-size: 18px; margin: 0 0 4px; }
h2 { font-size: 15px; margin: 24px 0 8px; }
.muted { color: var(--fg-muted); }

table { border-collapse: collapse; width: 100%; background: var(--panel); }
th, td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--fg-muted);
  background: #fbfcfd;
}
tbody tr:hover { background: #fbfcfd; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  margin-bottom: 16px;
}

.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--neutral-bg);
  color: var(--neutral-fg);
  white-space: nowrap;
}
.pill.pending_review { background: var(--warn-bg); color: var(--warn-fg); }
.pill.sent { background: var(--ok-bg); color: var(--ok-fg); }
.pill.held { background: var(--neutral-bg); color: var(--neutral-fg); }
.pill.bounced, .pill.failed { background: var(--danger-bg); color: var(--danger-fg); }
.pill.ok { background: var(--ok-bg); color: var(--ok-fg); }
.pill.attention { background: var(--warn-bg); color: var(--warn-fg); }

.kv { display: grid; grid-template-columns: 160px 1fr; gap: 4px 16px; }
.kv dt { color: var(--fg-muted); }
.kv dd { margin: 0; word-break: break-word; }

.actions { display: flex; gap: 12px; margin-top: 8px; }
button, .btn {
  font: inherit;
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--fg);
  cursor: pointer;
}
button:hover, .btn:hover { background: #f0f2f5; text-decoration: none; }
button.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
button.primary:hover { background: #195bc4; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.banner {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
  border: 1px solid transparent;
}
.banner.ok { background: var(--ok-bg); color: var(--ok-fg); border-color: #a6d8b5; }
.banner.attention { background: var(--warn-bg); color: var(--warn-fg); border-color: #e6cf8a; }
.banner.danger { background: var(--danger-bg); color: var(--danger-fg); border-color: #e6a6ac; }

ul.tight { margin: 4px 0; padding-left: 20px; }
code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 12px; }
.empty { padding: 32px; text-align: center; color: var(--fg-muted); }