/* ============================================================
   Snapshots & Branches — banner, cards, compare grey-diff boxes
   ============================================================ */

/* ── Bright branch banner (top of main pane when working in a branch) ── */
#branch-banner-host:empty { display: none; }
.branch-banner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 10px 28px;
  background: linear-gradient(90deg, #f59e0b 0%, #f97316 100%);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  box-shadow: inset 0 -1px 0 rgba(0,0,0,0.12);
  position: sticky; top: 0; z-index: 60;
}
.branch-banner-left { display: flex; align-items: center; gap: 10px; min-width: 0; }
.branch-banner-icon {
  width: 26px; height: 26px; border-radius: 7px;
  background: rgba(255,255,255,0.22);
  display: grid; place-items: center; font-size: 13px; flex-shrink: 0;
}
.branch-banner-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.branch-banner-text strong { font-weight: 700; }
.branch-banner-when { opacity: 0.85; font-weight: 400; margin-left: 4px; }
.branch-banner-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.branch-banner-manage {
  color: #fff; font-weight: 600; font-size: 12px;
  padding: 5px 10px; border-radius: 6px;
  background: rgba(255,255,255,0.18);
}
.branch-banner-manage:hover { background: rgba(255,255,255,0.30); color: #fff; text-decoration: none; }
.branch-banner-exit {
  border: 1px solid rgba(255,255,255,0.6);
  background: transparent; color: #fff;
  font-size: 12px; font-weight: 600;
  padding: 5px 10px; border-radius: 6px; cursor: pointer;
}
.branch-banner-exit:hover { background: rgba(255,255,255,0.18); }

/* ── Snapshot manager layout ── */
.snap-active-note {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 12px 16px; margin-bottom: 18px;
  background: var(--c-warn-50);
  border: 1px solid #f6cf8b;
  border-left: 4px solid #f59e0b;
  border-radius: var(--radius);
  color: #92600b; font-size: 13px;
}
.snap-active-note .btn { margin-left: auto; }

.snap-columns {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}
@media (max-width: 1100px) { .snap-columns { grid-template-columns: 1fr; } }

.card-x {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-x-header {
  padding: 16px 18px; border-bottom: 1px solid var(--c-border);
  display: flex; align-items: center; justify-content: space-between;
}
.card-x-header h3 { font-size: 15px; margin: 0; }
.card-x-sub { font-size: 12px; color: var(--c-text-muted); margin-top: 2px; }
.card-x-body { padding: 16px 18px; }

.snap-cards { display: flex; flex-direction: column; gap: 12px; }
.snap-card {
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: var(--c-surface);
  transition: border-color .12s, box-shadow .12s;
}
.snap-card:hover { border-color: var(--c-border-strong); box-shadow: var(--shadow-sm); }
.snap-card-active { border-color: #f59e0b; box-shadow: 0 0 0 3px rgba(245,158,11,0.15); }
.snap-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.snap-kind {
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
  padding: 3px 8px; border-radius: 999px;
}
.snap-kind-manual { background: var(--c-primary-50); color: var(--c-primary-700); }
.snap-kind-auto   { background: var(--c-surface-2); color: var(--c-text-muted); }
.snap-kind-branch { background: var(--c-warn-50); color: #92600b; }
.snap-when { font-size: 12px; color: var(--c-text-dim); }
.snap-by { font-size: 12px; color: var(--c-text-muted); margin-bottom: 6px; }
.snap-by i { margin-right: 4px; color: var(--c-text-dim); }
.snap-branch-name { font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.snap-notes { font-size: 13px; color: var(--c-text); margin-bottom: 10px; line-height: 1.45; }
.snap-notes-empty { color: var(--c-text-dim); font-style: italic; }
.snap-meta { display: flex; gap: 16px; margin-bottom: 12px; font-size: 12px; color: var(--c-text-muted); }
.snap-meta i { margin-right: 4px; color: var(--c-text-dim); }
.snap-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.snap-actions .btn-sm { font-size: 12px; padding: 5px 10px; }
.snap-actions .is-danger { color: var(--c-danger); }
.snap-actions .is-danger:hover { background: var(--c-danger-50); }
.snap-merge-btn { color: var(--c-accent); }
.snap-active-badge { font-size: 12px; font-weight: 600; color: #92600b; display: inline-flex; align-items: center; gap: 5px; }

/* ── Compare summary + grey-diff overlay ── */
.cmp-summary {
  display: flex; align-items: center; justify-content: center; gap: 28px;
  padding: 16px; margin-bottom: 14px;
  background: var(--c-surface-2); border-radius: var(--radius);
}
.cmp-sum-item { text-align: center; display: flex; flex-direction: column; gap: 2px; }
.cmp-sum-lbl { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--c-text-muted); font-weight: 600; }
.cmp-sum-val { font-size: 24px; font-weight: 700; color: var(--c-text); }
.cmp-sum-sub { font-size: 12px; color: var(--c-text-muted); }
.cmp-sum-arrow { color: var(--c-text-dim); font-size: 18px; }
.cmp-legend { font-size: 12px; color: var(--c-text-muted); margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.cmp-diff-swatch {
  display: inline-block; width: 16px; height: 16px; border-radius: 4px;
  background: repeating-linear-gradient(45deg, #cbd2dd, #cbd2dd 4px, #dbe1ea 4px, #dbe1ea 8px);
  border: 1px solid var(--c-border-strong); vertical-align: middle;
}

/* Grey box for tactics changed in a snapshot/branch but not in main */
.hm-tile.cmp-changed {
  background-image: repeating-linear-gradient(45deg, rgba(100,116,139,0.14), rgba(100,116,139,0.14) 6px, rgba(100,116,139,0.05) 6px, rgba(100,116,139,0.05) 12px) !important;
  outline: 2px solid var(--c-border-strong);
  outline-offset: -2px;
}
.cmp-delta { font-size: 11px; color: var(--c-text-muted); font-weight: 400; }
.cmp-diff, .cmp-diff-inline { margin-top: 8px; font-size: 11px; line-height: 1.5; }
.cmp-added   { color: var(--c-success); }
.cmp-removed { color: var(--c-danger); }
.cmp-delta-inline { color: var(--c-text-muted); margin-top: 2px; }
.cmp-diff-inline {
  border-top: 1px dashed var(--c-border-strong); padding-top: 6px; margin-top: 8px;
}
.cov-compare-select {
  height: 38px; border-radius: 8px; border: 1px solid var(--c-border-strong);
  font-size: 13px; background: var(--c-surface); color: var(--c-text); padding: 0 10px;
}