/* ZoneSense — Zone Relations Review modal (professional preview/edit surface) */
#zrr-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(15, 27, 46, .55);
  backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center;
  padding: 28px;
  opacity: 0; transition: opacity .18s ease;
}
#zrr-overlay.zrr-in { opacity: 1; }
#zrr-overlay.zrr-in .zrr-modal { transform: none; opacity: 1; }

.zrr-modal {
  width: min(1180px, 100%);
  height: min(760px, 100%);
  background: var(--p, #FBF7F1);
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(15,27,46,.35), 0 2px 8px rgba(15,27,46,.15);
  display: flex; flex-direction: column;
  overflow: hidden;
  opacity: 0; transform: scale(.96) translateY(8px);
  transition: transform .28s cubic-bezier(.16,1,.3,1), opacity .28s ease;
  font-family: inherit;
}

/* ── header ── */
.zrr-hdr {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 16px 20px; border-bottom: 1px solid rgba(15,27,46,.08);
  background: linear-gradient(180deg, rgba(36,180,126,.10), transparent);
}
.zrr-hdr-title { display: flex; align-items: center; gap: 14px; }
.zrr-hdr-title h2 { margin: 0; font-size: 17px; font-weight: 800; color: var(--st, #0F1B2E); letter-spacing: -.01em; }
.zrr-chip-counts { display: flex; gap: 6px; }
.zrr-chip { font-size: 10.5px; font-weight: 700; padding: 3px 9px; border-radius: 999px; background: #eee7d6; color: #5b5640; }
.zrr-chip--mand { background: #f3ded6; color: #8a3f22; }
.zrr-chip--flex { background: #dce7d6; color: #3f6b2e; }

.zrr-hdr-tools { display: flex; align-items: center; gap: 10px; }
.zrr-search {
  font: inherit; font-size: 12.5px; padding: 7px 12px; width: 210px;
  border-radius: 999px; border: 1px solid rgba(15,27,46,.15); background: #fff; color: var(--tx,#2A2F36);
}
.zrr-search:focus { outline: 2px solid rgba(36,180,126,.5); outline-offset: 1px; }
.zrr-filters { display: flex; background: rgba(15,27,46,.06); border-radius: 999px; padding: 2px; gap: 2px; }
.zrr-filter-tab {
  font: inherit; font-size: 11.5px; font-weight: 700; padding: 5px 12px; border-radius: 999px;
  border: none; background: transparent; color: var(--mu,#4D6E91); cursor: pointer; transition: background .15s;
}
.zrr-filter-tab.on { background: #fff; color: var(--st,#0F1B2E); box-shadow: 0 1px 3px rgba(15,27,46,.15); }
.zrr-close {
  width: 30px; height: 30px; border-radius: 50%; border: none; background: rgba(15,27,46,.08);
  color: var(--st,#0F1B2E); font-size: 18px; line-height: 1; cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.zrr-close:hover { background: rgba(15,27,46,.16); }

/* ── body: diagram + table ── */
.zrr-body { flex: 1; display: flex; min-height: 0; }
.zrr-diagram {
  width: 280px; flex: 0 0 280px; border-right: 1px solid rgba(15,27,46,.08);
  overflow-y: auto; padding: 14px 10px; background: rgba(15,27,46,.02);
}
.zrr-flow { width: 100%; height: auto; overflow: visible; }
.zrr-zchip { opacity: 0; animation: zrrChipIn .3s ease forwards; animation-delay: var(--d,0ms); cursor: pointer; }
.zrr-zchip rect { transition: filter .12s; }
.zrr-zchip:hover rect { filter: brightness(1.12); }
@keyframes zrrChipIn { from { opacity:0; transform: translateY(-4px);} to { opacity:1; transform: translateY(0);} }
.zrr-conn { fill: none; stroke-width: 2.6; stroke-linecap: round; opacity: .9; cursor: pointer; }
.zrr-conn:hover { opacity: 1; stroke-width: 3.4; }
.zrr-conn--dash { stroke-dasharray: 6,5; }
.zrr-diagram-empty, .zrr-empty { padding: 24px; text-align: center; color: var(--mu,#4D6E91); font-size: 12.5px; }
.zrr-diagram-hint { font-size: 10px; color: var(--mu,#4D6E91); text-align: center; margin-top: 6px; opacity: .75; }

/* jump-to flash when a diagram chip/connector is clicked */
.zrr-pair-group.zrr-flash { animation: zrrFlash .9s ease; }
@keyframes zrrFlash { 0%,100% { box-shadow: none; } 25% { box-shadow: 0 0 0 3px rgba(36,180,126,.6); } }

/* floating tooltip for diagram connectors (real pred -> succ names) */
.zrr-tooltip {
  position: fixed; z-index: 10001; display: none; pointer-events: none;
  background: var(--st,#0F1B2E); color: #fff; font-size: 11px; line-height: 1.5;
  padding: 6px 10px; border-radius: 8px; white-space: pre-line; max-width: 240px;
  box-shadow: 0 6px 18px rgba(15,27,46,.3);
}

.zrr-table-wrap { flex: 1; overflow-y: auto; padding: 14px 18px; }
.zrr-pair-group { margin-bottom: 14px; border: 1px solid rgba(15,27,46,.08); border-radius: 12px; overflow: hidden; background: #fff; }
.zrr-pair-hdr {
  display: flex; align-items: center; gap: 10px; padding: 9px 14px;
  background: rgba(15,27,46,.035); border-bottom: 1px solid rgba(15,27,46,.06);
}
.zrr-pair-hdr b { font-size: 12.5px; color: var(--st,#0F1B2E); margin-right: auto; }
.zrr-mode-sel {
  font: inherit; font-size: 11.5px; padding: 4px 8px; border-radius: 8px;
  border: 1px solid rgba(15,27,46,.15); background: #fff; color: var(--tx,#2A2F36);
}
.zrr-lag { font-size: 11px; color: var(--mu,#4D6E91); display: flex; align-items: center; gap: 4px; }
.zrr-lag-in { width: 44px; font: inherit; font-size: 11px; padding: 3px 5px; border-radius: 6px; border: 1px solid rgba(15,27,46,.15); }

.zrr-pair-rows { padding: 6px 10px; }
.zrr-row { padding: 8px 6px; border-bottom: 1px dashed rgba(15,27,46,.08); }
.zrr-row:last-child { border-bottom: 0; }
.zrr-row--empty { color: var(--mu,#4D6E91); font-size: 11.5px; font-style: italic; }
.zrr-row-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.zrr-badge { font-size: 9px; font-weight: 800; letter-spacing: .4px; text-transform: uppercase; padding: 2px 7px; border-radius: 999px; }
.zrr-badge--mand { background: #f3ded6; color: #8a3f22; }
.zrr-badge--flex { background: #dce7d6; color: #3f6b2e; }
.zrr-badge--ai { background: #dde6f5; color: #2d4f8a; }
.zrr-rel { font-size: 11px; font-weight: 700; color: var(--st,#0F1B2E); }
.zrr-driver { font-size: 10.5px; padding: 1px 7px; border-radius: 999px; background: rgba(36,180,126,.2); color: #188D68; }
.zrr-row-note { font-size: 10.5px; color: var(--mu,#4D6E91); margin-top: 6px; }
.zrr-internal { font-size: 10.5px; color: #5c6b3f; margin-top: 6px; padding: 6px 9px; border-radius: 8px; background: rgba(92,138,63,.08); }
.zrr-internal-lbl { font-weight: 700; }

/* boundary card: FROM (zone A's last work) -> TO (zone B's gated entries) */
.zrr-bnd { display: flex; align-items: stretch; gap: 8px; margin-top: 7px; }
.zrr-bnd-box {
  flex: 1; min-width: 0; border-radius: 10px; padding: 7px 10px;
  border: 1px solid rgba(15,27,46,.08);
}
.zrr-bnd-box--from { background: rgba(36,180,126,.08); border-color: rgba(36,180,126,.3); }
.zrr-bnd-box--to { background: rgba(92,138,63,.07); border-color: rgba(92,138,63,.25); }
.zrr-bnd-box small { display: block; font-size: 9.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .3px; color: var(--mu,#4D6E91); margin-bottom: 4px; }
.zrr-bnd-item { font-size: 12px; font-weight: 600; color: var(--tx,#2A2F36); line-height: 1.5; }
.zrr-bnd-item--pred { font-weight: 700; color: var(--st,#0F1B2E); }
.zrr-bnd-mid { flex: 0 0 auto; display: flex; align-items: center; color: var(--mu,#4D6E91); padding: 0 2px; }

/* ── footer ── */
.zrr-ftr {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 18px; border-top: 1px solid rgba(15,27,46,.08); background: rgba(15,27,46,.02);
}
.zrr-diag { font-size: 11px; color: var(--mu,#4D6E91); display: flex; gap: 6px; flex-wrap: wrap; }
.zrr-diag-sep { opacity: .5; }
.zrr-warn { font-size: 11px; color: #8a3f22; margin-top: 4px; }
.zrr-ftr-actions { display: flex; gap: 8px; flex: 0 0 auto; }
.zrr-btn {
  font: inherit; font-size: 12px; font-weight: 700; padding: 8px 16px; border-radius: 999px;
  border: 1px solid rgba(15,27,46,.15); background: #fff; color: var(--st,#0F1B2E); cursor: pointer;
}
.zrr-btn:hover { background: rgba(15,27,46,.05); }
.zrr-btn:disabled { opacity: .6; cursor: default; }
.zrr-btn--primary { background: var(--st,#0F1B2E); color: #fff; border-color: var(--st,#0F1B2E); }
.zrr-btn--primary:hover { background: #17263f; }
.zrr-btn--recompute { border-color: rgba(36,180,126,.5); color: #188D68; }
.zrr-btn--recompute:hover { background: rgba(36,180,126,.12); }

@media (max-width: 860px) {
  .zrr-body { flex-direction: column; }
  .zrr-diagram { width: 100%; flex: 0 0 auto; border-right: 0; border-bottom: 1px solid rgba(15,27,46,.08); max-height: 180px; }
  .zrr-hdr { flex-wrap: wrap; }
  .zrr-search { width: 140px; }
}