:root {
  --bg: #f6f7f9; --panel: #fff; --text: #1d2330; --muted: #667085; --line: #e4e7ec;
  --accent: #3b5bdb; --accent-text: #fff; --ok: #1f8a4c; --bad: #c92a2a; --warn: #b7791f;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #11141a; --panel: #1a1f29; --text: #e6e9ef; --muted: #98a2b3; --line: #2a3140; --accent: #748ffc; --accent-text: #0b0d12; --ok: #51cf66; --bad: #ff8787; --warn: #fcc419; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9em; }
[hidden] { display: none !important; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 12px 24px; background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; letter-spacing: .2px; }
.brand span { color: var(--accent); }
.session { display: flex; gap: 12px; align-items: center; color: var(--muted); }
main { max-width: 1100px; margin: 0 auto; padding: 24px 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 20px; }
.narrow { max-width: 380px; margin: 48px auto; display: grid; gap: 12px; }
.narrow h1 { margin: 0; font-size: 1.4rem; }
label { display: grid; gap: 4px; font-weight: 500; }
input, select { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); min-width: 0; }
button { font: inherit; cursor: pointer; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-text); }
button.ghost { background: transparent; color: var(--text); border-color: var(--line); }
button.danger { background: transparent; color: var(--bad); border-color: var(--bad); padding: 4px 10px; }
.muted { color: var(--muted); } .small { font-size: .85rem; } .error { color: var(--bad); margin: 0; min-height: 1.2em; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 20px; overflow-x: auto; }
.tabs button { background: none; color: var(--muted); border: none; border-bottom: 2px solid transparent; border-radius: 0; padding: 10px 14px; }
.tabs button[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.stat .label { color: var(--muted); font-size: .85rem; }
.stat .value { font-size: 1.8rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.filters { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.filters input { flex: 1 1 240px; }
.grid { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.grid th, .grid td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.grid th { font-size: .8rem; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); }
.grid tbody tr[data-id] { cursor: pointer; }
.grid tbody tr[data-id]:hover { background: color-mix(in srgb, var(--accent) 7%, transparent); }
.grid td.subject { max-width: 360px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: .8rem; border: 1px solid currentColor; }
.badge.sent, .badge.active { color: var(--ok); } .badge.failed, .badge.revoked { color: var(--bad); } .badge.queued { color: var(--warn); }
.more { margin-top: 12px; }
.empty { padding: 16px 0; }
.notice { margin-bottom: 12px; display: grid; gap: 8px; border-color: var(--warn); }
.keyline { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.keyline code { word-break: break-all; }
dialog { width: min(900px, 95vw); max-height: 90vh; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); color: var(--text); padding: 20px; }
dialog::backdrop { background: rgb(0 0 0 / .45); }
.dialog-head { display: flex; justify-content: space-between; gap: 12px; align-items: start; }
.dialog-head h2 { margin: 0; font-size: 1.15rem; word-break: break-word; }
.meta { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 12px 0; }
.meta dt { color: var(--muted); } .meta dd { margin: 0; word-break: break-word; }
#detail-body pre { white-space: pre-wrap; word-break: break-word; background: var(--bg); padding: 12px; border-radius: 8px; max-height: 50vh; overflow: auto; }
#detail-body iframe { width: 100%; height: 50vh; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
@media (max-width: 640px) { .grid th:nth-child(2), .grid td:nth-child(2) { display: none; } }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: start; }
.toolbar .grow { flex: 1 1 480px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.filters input.short { flex: 0 1 140px; }
textarea { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); resize: vertical; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin-top: 12px; }
.form-grid .wide { grid-column: 1 / -1; }
.row-end { display: flex; justify-content: flex-end; gap: 8px; }
label.check { display: flex; gap: 8px; align-items: center; font-weight: 400; }
.tag { display: inline-block; padding: 0 6px; margin: 0 4px 2px 0; border-radius: 6px; background: color-mix(in srgb, var(--accent) 12%, transparent); font-size: .8rem; }
.badge.subscribed { color: var(--ok); } .badge.unsubscribed { color: var(--muted); } .badge.bounced, .badge.complained { color: var(--bad); }
.report { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 8px; margin: 12px 0; }
#source-output, #import-report pre { white-space: pre-wrap; word-break: break-word; background: var(--bg); padding: 12px; border-radius: 8px; max-height: 40vh; overflow: auto; }
#sources-dialog h3 { margin: 20px 0 0; font-size: 1rem; }
.conditions { display: grid; gap: 8px; margin: 16px 0 8px; }
.condition { display: grid; grid-template-columns: minmax(130px, 1fr) minmax(90px, .8fr) minmax(150px, 1fr) minmax(150px, 1.4fr) auto; gap: 8px; align-items: center; }
.condition [hidden] { display: none !important; }
.condition .key:not([hidden]) + select { min-width: 0; }
@media (max-width: 720px) { .condition { grid-template-columns: 1fr 1fr; } }
#filter-json { width: 100%; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85rem; margin-top: 8px; }
.stack { display: grid; gap: 8px; align-content: start; }
#segment-preview { margin: 8px 0; }