/* ============================================================
   Studio — analyser + relationship builder + inline tree
   Light professional theme · red accent
   ============================================================ */

body.studio { background: var(--bg); color: var(--ink); min-height: 100vh; }

.mesh-bg { display: none; }

/* ============ shell ============ */
.shell {
  position: relative; z-index: 1;
  display: flex; flex-direction: column;
  height: 100vh;
}

/* ============ topbar ============ */
.topbar {
  display: flex; align-items: center;
  gap: 24px;
  padding: 14px 28px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.brand.mini { display: flex; align-items: center; gap: 10px; }
.brand.mini .brand-glyph {
  display: inline-grid; place-items: center;
  width: 36px; height: 36px;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 14px;
  color: #fff;
  background: var(--red);
  border-radius: 8px;
  letter-spacing: -.02em;
}
.brand.mini .brand-name {
  font-weight: 800; font-size: 14px;
  display: inline-flex; flex-direction: column; gap: 1px;
  color: var(--ink);
}
.brand.mini .brand-sub { color: var(--ink-mute); font-weight: 500; font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; }
.brand.mini .brand-dot { display: none; }

.topbar-meta {
  flex: 1;
  color: var(--ink-soft);
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .03em;
}
.topbar-actions { display: flex; gap: 10px; align-items: center; }

.upload-btn,
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 14px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 500;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink);
  transition: border-color .15s, color .15s;
}
.upload-btn:hover, .btn-ghost:hover { border-color: var(--red); color: var(--red); }
.upload-btn { cursor: pointer; }

.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px;
  background: var(--red);
  color: #fff !important;
  border-radius: 8px;
  font-weight: 600;
  font-size: 13.5px;
  border: 1px solid var(--red);
  transition: background .15s;
}
.btn-primary:hover { background: var(--red-deep); }

/* ============ workspace ============ */
.workspace {
  flex: 1;
  display: grid;
  grid-template-columns: 320px 1fr;
  min-height: 0;
  background: var(--bg-soft);
}

/* ============ sidebar ============ */
.sidebar {
  border-right: 1px solid var(--line);
  background: #fff;
  display: flex; flex-direction: column;
  min-height: 0;
}
.side-head {
  padding: 20px 22px 10px;
  display: flex; justify-content: space-between; align-items: baseline;
}
.side-head h3 {
  margin: 0;
  font-family: var(--f-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.015em;
  color: var(--ink);
}
.side-head .count {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--red);
  background: var(--red-tint);
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 600;
}

.filters { padding: 0 22px 14px; display: grid; gap: 10px; }
.search {
  width: 100%;
  padding: 10px 12px;
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--ink);
  font-size: 13.5px;
  font-family: var(--f-sans);
  outline: none;
  transition: border-color .15s;
}
.search:focus { border-color: var(--red); }
.search::placeholder { color: var(--ink-mute); }

.chip-row { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink-soft);
  font-size: 11.5px;
  font-family: var(--f-mono);
  letter-spacing: .04em;
  transition: all .15s;
  font-weight: 600;
}
.chip:hover { color: var(--ink); border-color: var(--ink); }
.chip.active {
  background: var(--red);
  color: #fff;
  border-color: var(--red);
}

.group-list {
  flex: 1;
  overflow: auto;
  padding: 6px 14px 18px;
  display: grid;
  gap: 6px;
}
.group-card {
  padding: 12px 14px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: all .15s;
  display: grid; gap: 5px;
}
.group-card:hover { background: var(--bg-soft); border-color: var(--line-strong); }
.group-card.active {
  background: var(--red-tint);
  border-color: var(--red);
  box-shadow: 0 2px 8px rgba(209,31,42,.10);
}
.gc-top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.gc-id {
  font-family: var(--f-mono);
  font-size: 10.5px;
  color: var(--red);
  letter-spacing: .08em;
  font-weight: 700;
}
.gc-subject {
  font-family: var(--f-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.005em;
  color: var(--ink);
}
.gc-meta {
  font-size: 11px;
  color: var(--ink-soft);
  font-family: var(--f-mono);
  letter-spacing: .02em;
  display: flex; gap: 6px; flex-wrap: wrap;
}
.gc-pill {
  padding: 1px 7px;
  border-radius: 4px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--ink-soft);
}

/* ============ main ============ */
.main {
  display: flex; flex-direction: column;
  min-height: 0;
  overflow: hidden;
  background: var(--bg-soft);
}

/* tabs */
.tabs {
  display: flex; align-items: center; gap: 4px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.tab {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink-soft);
  font-size: 13.5px;
  font-weight: 500;
  transition: all .15s;
}
.tab:hover { color: var(--ink); background: var(--bg-soft); }
.tab.active {
  background: var(--red);
  color: #fff;
  border-color: var(--red);
}
.tab-spacer { flex: 1; }
.active-group {
  font-family: var(--f-mono);
  font-size: 11.5px;
  color: var(--ink-soft);
  letter-spacing: .04em;
  padding-right: 6px;
}

.pane {
  flex: 1;
  overflow: auto;
  padding: 26px 28px 36px;
}
.pane.hidden { display: none; }

/* ---------- overview ---------- */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}
.kpi {
  padding: 18px 20px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
  transition: border-color .15s, transform .15s;
}
.kpi:hover { border-color: var(--red); transform: translateY(-2px); }
.kpi-label {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 8px;
  font-weight: 600;
}
.kpi-value {
  font-family: var(--f-display);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--ink);
  line-height: 1;
}
.kpi-sub { font-size: 11px; color: var(--ink-mute); margin-top: 4px; }

.two-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.card {
  padding: 22px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
}
.card.span2 { grid-column: span 2; }
.card h4 {
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--red);
  margin: 0 0 16px;
  font-weight: 700;
}
.card.nopad { padding: 0; overflow: hidden; }
.chart { height: 220px; position: relative; }
.chart.tall { height: 280px; }

/* bar / list charts */
.bar-row {
  display: grid; grid-template-columns: 100px 1fr 40px;
  gap: 10px; align-items: center;
  margin-bottom: 8px;
  font-size: 13px;
}
.bar-row .lbl {
  color: var(--ink); font-weight: 500;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.bar-row .bar {
  height: 8px; border-radius: 999px;
  background: var(--bg-soft);
  position: relative; overflow: hidden;
}
.bar-row .bar .fill {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--red), var(--red-deep));
  width: 0; border-radius: 999px;
  transition: width .6s ease;
}
.bar-row .val {
  font-family: var(--f-mono);
  color: var(--ink-soft);
  text-align: right;
  font-weight: 600;
}

/* gender donut */
.donut { display: flex; gap: 18px; align-items: center; height: 100%; }
.donut svg { flex-shrink: 0; }
.donut-legend { display: grid; gap: 8px; font-size: 13px; color: var(--ink); }
.donut-legend span { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 8px; vertical-align: middle; }

/* ---------- data ---------- */
.data-toolbar {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}
.data-toolbar .search { max-width: 340px; }
.data-wrap { max-height: calc(100vh - 290px); overflow: auto; }
.data-table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 12.5px; }
.data-table th, .data-table td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
  color: var(--ink);
}
.data-table th {
  position: sticky; top: 0;
  background: var(--bg-soft);
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 700;
  z-index: 1;
}
.data-table tbody tr:hover { background: var(--bg-soft); }
.data-foot {
  display: flex; align-items: center; gap: 14px;
  justify-content: center;
  padding: 14px;
  border-top: 1px solid var(--line);
}
.data-foot .mono { font-size: 12px; color: var(--ink-soft); }

/* ---------- relationships ---------- */
.rel-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; margin-bottom: 20px; flex-wrap: wrap; }
.rel-header h3 {
  margin: 0;
  font-family: var(--f-display);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--ink);
}
.rel-header p { margin: 6px 0 0; font-size: 13.5px; color: var(--ink-soft); }
.rel-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.rel-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 16px;
}
.people-list { display: grid; gap: 6px; max-height: calc(100vh - 340px); overflow: auto; }
.person {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: all .15s;
}
.person:hover { background: var(--bg-soft); border-color: var(--line-strong); }
.avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--f-display);
  font-weight: 700;
  color: #fff;
  font-size: 13px;
}
.avatar.m { background: var(--male); }
.avatar.f { background: var(--female); }
.avatar.u { background: var(--ink-mute); }

.p-name { font-size: 13px; font-weight: 600; color: var(--ink); }
.p-rel  { font-size: 11px; color: var(--ink-soft); }

.edge-list { display: grid; gap: 6px; max-height: calc(100vh - 420px); overflow: auto; padding-right: 6px; }
.edge {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px 14px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--line);
}
.edge .who {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 500;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.edge select {
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink);
  font-family: var(--f-mono);
  font-size: 11px;
  outline: none;
  font-weight: 600;
}
.edge .arrow { font-family: var(--f-mono); color: var(--red); font-size: 16px; text-align: center; font-weight: 700; }
.edge .x {
  background: none; border: none; color: var(--ink-mute);
  font-size: 18px; cursor: pointer;
  width: 24px; height: 24px;
  border-radius: 50%;
  transition: background .15s, color .15s;
}
.edge .x:hover { background: var(--red-tint); color: var(--red); }

.edge.parent  { border-left: 3px solid var(--red); }
.edge.spouse  { border-left: 3px solid var(--female); }
.edge.sibling { border-left: 3px solid var(--teal); }
.edge.inlaw, .edge.inlaw-down, .edge.inlaw-up, .edge.inlaw-sibling { border-left: 3px solid var(--indigo); }
.edge.other   { border-left: 3px solid var(--line-strong); }

.edge-add {
  display: grid;
  grid-template-columns: 1fr 120px 1fr auto;
  gap: 8px;
  margin-top: 14px;
  padding-top: 16px;
  border-top: 1px dashed var(--line-strong);
}
.edge-add select {
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink);
  font-size: 13px;
  outline: none;
}

/* ---------- tree (inline) ---------- */
.tree-host {
  display: flex; flex-direction: column;
  min-height: calc(100vh - 200px);
  background: #fff;
  border: 1px solid var(--line);
}
.tree-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
}
.tree-tools { display: flex; gap: 8px; }
.tree-canvas-wrap { flex: 1; overflow: hidden; position: relative; background: var(--bg-soft); }
.tree-canvas { width: 100%; height: 100%; display: block; }

/* node drawer */
.drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 440px;
  background: #fff;
  border-left: 1px solid var(--line);
  box-shadow: -16px 0 40px rgba(10,18,48,.08);
  transform: translateX(100%);
  transition: transform .3s ease;
  z-index: 50;
  overflow: auto;
  padding: 28px 28px 36px;
}
.drawer.open { transform: translateX(0); }
.drawer-close {
  position: absolute; top: 16px; right: 18px;
  background: none; border: none;
  color: var(--ink-mute);
  font-size: 28px;
  line-height: 1;
  width: 32px; height: 32px;
  border-radius: 50%;
  transition: background .15s;
}
.drawer-close:hover { background: var(--bg-soft); color: var(--ink); }
.drawer h2 {
  font-family: var(--f-display);
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--ink);
  margin: 0 0 6px;
}
.drawer .sub {
  font-family: var(--f-mono);
  font-size: 11.5px;
  color: var(--ink-mute);
  letter-spacing: .06em;
  margin-bottom: 20px;
}
.drawer .group { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); }
.drawer .group-title {
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  color: var(--red);
  margin-bottom: 10px;
  font-weight: 700;
  text-transform: uppercase;
}
.drawer .kv {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 6px 14px;
  font-size: 13.5px;
  line-height: 1.45;
}
.drawer .kv dt {
  color: var(--ink-mute);
  font-size: 10.5px;
  padding-top: 3px;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-family: var(--f-mono);
  font-weight: 600;
}
.drawer .kv dd { margin: 0; color: var(--ink); }

/* toast */
.toast {
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(40px);
  padding: 11px 20px;
  background: var(--ink);
  color: #fff;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--ink-2);
  box-shadow: 0 12px 30px rgba(10,18,48,.18);
  opacity: 0;
  transition: transform .3s, opacity .3s;
  z-index: 60;
  pointer-events: none;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* responsive */
@media (max-width: 1080px) {
  .workspace { grid-template-columns: 260px 1fr; }
  .kpi-row { grid-template-columns: repeat(3, 1fr); }
  .two-col { grid-template-columns: 1fr 1fr; }
  .card.span2 { grid-column: span 2; }
  .rel-grid { grid-template-columns: 1fr; }
}