/* ─────────────────────────────────────────────────────────────────────────
   EMAIL ENGAGEMENT — Marketing → Performance pane and the contact record's
   "Email engagement" card (js/engagement.js). Token-only colors so dark.css
   applies automatically.
   ───────────────────────────────────────────────────────────────────────── */

/* Newsletter card subtitle (js/marketing.js _nlRenderList): ≥10% failures */
.eng-sub-danger { color: var(--status-danger); font-weight: 600; }

/* ── Webhook note ── */
.eng-note {
  display: flex; gap: 12px; align-items: flex-start;
  background: rgba(245,158,11,0.10); border: 1px solid rgba(245,158,11,0.35);
  color: var(--text-primary); border-radius: var(--radius-md);
  padding: 12px 14px; margin-bottom: 16px; font-size: 13px; line-height: 1.5;
}
.eng-note .ui-icon { flex-shrink: 0; margin-top: 2px; color: var(--status-warning); font-size: 18px; }
.eng-note code {
  font-family: var(--font-mono); font-size: 12px;
  background: var(--surface-sunken); padding: 1px 5px; border-radius: 4px;
}

/* ── Overview strip ── */
.eng-strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px; margin-bottom: 16px;
}
.eng-tile {
  background: var(--bg-surface); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: 14px 16px; min-width: 0;
}
.eng-tile-l { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-tertiary); }
.eng-tile-v {
  font-family: var(--font-display); font-size: 24px; font-weight: 600; line-height: 1.15;
  color: var(--text-primary); margin-top: 4px; font-variant-numeric: tabular-nums;
}
.eng-tile-s { font-size: 12px; color: var(--text-secondary); margin-top: 3px; overflow: hidden; text-overflow: ellipsis; }
.eng-tile-danger { border-color: rgba(239,68,68,0.35); }
.eng-tile-danger .eng-tile-v { color: var(--status-danger); }

/* ── Performance table ── */
.eng-table-card {
  background: var(--bg-surface); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); overflow: hidden;
}
.eng-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.eng-table { width: 100%; min-width: 820px; border-collapse: collapse; font-size: 13px; }
.eng-table th {
  text-align: left; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--text-tertiary); padding: 10px 14px; background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-default); white-space: nowrap;
}
.eng-table th.num, .eng-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.eng-table td { padding: 11px 14px; border-bottom: 1px solid var(--border-subtle); color: var(--text-primary); vertical-align: middle; }
.eng-row { cursor: pointer; transition: background var(--dur-fast) ease; }
.eng-row:hover { background: var(--surface-hover); }
.eng-row.open td { border-bottom-color: transparent; background: var(--surface-hover); }
.eng-caret { display: inline-block; width: 14px; color: var(--text-tertiary); transition: transform var(--dur-fast) ease; }
.eng-row.open .eng-caret { transform: rotate(90deg); }
.eng-td-subject { min-width: 240px; max-width: 420px; }
.eng-subject { font-weight: 600; }
.eng-topic {
  display: inline-block; margin-left: 8px; font-size: 10.5px; font-weight: 600; letter-spacing: 0.02em;
  padding: 2px 7px; border-radius: 999px; background: rgba(var(--brand-primary-rgb),0.10); color: var(--brand-primary);
}
.eng-td-date { color: var(--text-secondary); white-space: nowrap; }
.eng-td-open { text-align: right; white-space: nowrap; }
.eng-td-rate { min-width: 96px; }
.eng-n { font-weight: 600; }
.eng-pct { color: var(--text-secondary); font-size: 12px; margin-left: 2px; }

/* Rate bars: a 4px track with a tinted fill; tone classes recolor the fill */
.eng-bar { display: block; height: 4px; margin-top: 5px; border-radius: 999px; background: var(--surface-sunken); overflow: hidden; }
.eng-bar-fill { display: block; height: 100%; border-radius: 999px; background: var(--text-tertiary); transition: width var(--dur-slow) var(--ease-out); }
.eng-tone-info .eng-bar-fill, .eng-fill-info { background: var(--status-info); }
.eng-tone-success .eng-bar-fill, .eng-fill-success { background: var(--status-success); }
.eng-tone-danger .eng-bar-fill { background: var(--status-danger); }
.eng-tone-danger .eng-n, .eng-tone-danger .eng-pct { color: var(--status-danger); font-weight: 700; }

/* ── Expanded detail ── */
.eng-detail-row td { padding: 0 14px 16px; background: var(--surface-hover); border-bottom: 1px solid var(--border-default); }
.eng-detail { cursor: default; }
.eng-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.eng-sec {
  background: var(--bg-surface); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); min-width: 0; display: flex; flex-direction: column;
}
.eng-sec-h {
  display: flex; align-items: center; gap: 8px; padding: 10px 14px;
  font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--text-secondary); border-bottom: 1px solid var(--border-subtle);
}
.eng-sec-h .rec-count { margin-left: 0; }
.eng-sec-actions { margin-left: auto; text-transform: none; letter-spacing: 0; font-weight: 500; }
.eng-sec-b { padding: 10px 14px 12px; font-size: 13px; }
.eng-loading, .eng-empty { color: var(--text-tertiary); font-size: 13px; padding: 10px 0; }
.eng-loading { padding: 14px 0; }
.eng-empty-ok { display: flex; align-items: center; gap: 6px; color: var(--status-success); }
.eng-more { font-size: 12px; color: var(--text-tertiary); margin-top: 8px; }
.eng-more-inline { font-size: 11px; color: var(--text-tertiary); align-self: center; }
.eng-sub { font-size: 11px; color: var(--text-tertiary); margin-top: 1px; }
.eng-dim { color: var(--text-disabled); }

.eng-mini { width: 100%; border-collapse: collapse; font-size: 13px; }
.eng-mini th {
  text-align: left; font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--text-tertiary); padding: 4px 8px 6px; border-bottom: 1px solid var(--border-subtle); white-space: nowrap;
}
.eng-mini td { padding: 7px 8px; border-bottom: 1px solid var(--border-subtle); vertical-align: top; }
.eng-mini tr:last-child td { border-bottom: none; }
.eng-mini th.num, .eng-mini td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.eng-td-link { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.eng-td-link .eng-bar { margin-top: 4px; }
.eng-attr-row { cursor: pointer; }
.eng-attr-row:hover { background: var(--surface-hover); }
.eng-attr-hit td:first-child { box-shadow: inset 3px 0 0 var(--status-success); }
.eng-attr-sum { font-size: 13px; color: var(--text-secondary); margin-bottom: 10px; line-height: 1.5; }
.eng-attr-sum strong { color: var(--text-primary); }
.eng-attr-note { display: block; font-size: 11px; color: var(--text-tertiary); margin-top: 2px; }

.eng-chip {
  display: inline-block; font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em;
  padding: 2px 8px; border-radius: 999px; white-space: nowrap;
}
.eng-chip-opened  { background: rgba(59,130,246,0.12); color: var(--status-info); }
.eng-chip-clicked { background: rgba(var(--status-success-rgb),0.14); color: var(--status-success); }
.eng-chip-failed  { background: rgba(239,68,68,0.12); color: var(--status-danger); }
.eng-mark { color: var(--status-info); font-weight: 700; white-space: nowrap; }
.eng-mark-click { color: var(--status-success); }

/* Failure groups */
.eng-fail { padding: 8px 0; border-bottom: 1px solid var(--border-subtle); }
.eng-fail:last-child { border-bottom: none; }
.eng-fail-h { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.eng-fail-n {
  font-family: var(--font-display); font-size: 18px; font-weight: 600; min-width: 36px;
  color: var(--status-danger); font-variant-numeric: tabular-nums;
}
.eng-fail-reason { flex: 1; min-width: 160px; font-family: var(--font-mono); font-size: 12px; color: var(--text-primary); word-break: break-word; }
.eng-fail-btn { white-space: nowrap; }
.eng-fail-tag { font-size: 11px; color: var(--text-tertiary); border: 1px dashed var(--border-default); border-radius: 999px; padding: 2px 8px; }
.eng-fail-samples { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.eng-email {
  font-family: var(--font-mono); font-size: 11.5px; color: var(--text-secondary);
  background: var(--surface-sunken); padding: 2px 7px; border-radius: 4px; word-break: break-all;
}

/* ── Contact record card ── */
.eng-cstats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-bottom: 10px; }
.eng-cstat { background: var(--bg-elevated); border-radius: var(--radius-md); padding: 8px 6px; text-align: center; min-width: 0; }
.eng-cstat-v { font-family: var(--font-display); font-size: 16px; font-weight: 600; color: var(--text-primary); font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.eng-cstat-l { font-size: 10px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-tertiary); margin-top: 2px; }
.eng-cstat.eng-tone-info .eng-cstat-v { color: var(--status-info); }
.eng-cstat.eng-tone-success .eng-cstat-v { color: var(--status-success); }
.eng-nl-row { gap: 8px; }
.eng-marks { display: flex; gap: 6px; align-items: center; font-size: 11px; white-space: nowrap; flex-shrink: 0; }

/* ── Mobile ── */
@media (max-width: 768px) {
  .eng-strip { grid-template-columns: repeat(2, 1fr); }
  .eng-tile-v { font-size: 20px; }
  .eng-detail-grid { grid-template-columns: 1fr; }
  /* The table scrolls sideways; the detail panel stays pinned to the visible
     viewport instead of stretching across the whole scroll width. */
  .eng-detail { position: sticky; left: 0; max-width: calc(100vw - 60px); }
  .eng-td-subject { min-width: 200px; }
  .eng-cstats { grid-template-columns: repeat(2, 1fr); }
  .eng-marks { flex-wrap: wrap; white-space: normal; }
}