:root{
  --bg:#111a21;
  --panel:#18232c;
  --panel-2:#1e2b35;
  --editor:#141f27;
  --toolbar:#16232c;
  --canvas:#101b23;
  --rule:#2b3d4a;
  --rule-soft:#233542;
  --ink:#e7eef3;
  --ink-dim:#8ea3b4;
  --ink-faint:#5d7385;
  --marigold:#e8a33d;
  --jade:#54c39b;
  --coral:#e4645e;
  --steel:#7ea6e0;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:"IBM Plex Sans",system-ui,-apple-system,Segoe UI,sans-serif;
  --cond:"IBM Plex Sans Condensed","IBM Plex Sans",system-ui,sans-serif;
  --r:3px;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:14px;line-height:1.5;
  background-image:linear-gradient(180deg,#14202a 0,var(--bg) 260px);
  display:flex;flex-direction:column;overflow:hidden;
}
button,select,textarea,input{font-family:inherit;font-size:inherit;color:inherit}

/* ---------- header ---------- */
.top{
  position:relative;z-index:10;display:flex;align-items:center;gap:14px;
  min-height:58px;padding:9px 16px;border-bottom:1px solid var(--rule);
  background:rgba(18,30,39,.96);box-shadow:0 1px 0 rgba(255,255,255,.02);
}
.brand-lockup{display:flex;align-items:baseline;gap:14px;min-width:0}
.mark{font-family:var(--mono);font-weight:600;font-size:22px;letter-spacing:-.03em;margin:0}
.mark .caret{color:var(--marigold)}
.tagline{font-family:var(--cond);text-transform:uppercase;letter-spacing:.14em;
  font-size:10px;color:var(--ink-faint);margin:0;white-space:nowrap}
.top-actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.privacy-disclosure{position:relative;color:#b9ddcf;font-size:11px}
.privacy-disclosure summary{
  display:flex;align-items:center;gap:6px;padding:5px 9px;
  border:1px solid #285443;border-radius:999px;background:#13251f;
  color:#dff5ec;cursor:pointer;font-family:var(--cond);font-weight:600;
  text-transform:uppercase;letter-spacing:.08em;list-style:none;white-space:nowrap
}
.privacy-disclosure summary::-webkit-details-marker{display:none}
.privacy-disclosure summary:hover{border-color:#39725c;background:#173027}
.privacy-disclosure summary:focus-visible{outline:2px solid var(--jade);outline-offset:2px}
.privacy-icon{font-size:12px;line-height:1;flex:0 0 auto}
.privacy-popover{
  position:absolute;top:calc(100% + 9px);left:0;width:min(390px,calc(100vw - 32px));
  padding:12px 14px;border:1px solid #285443;border-radius:5px;
  background:#13251f;color:#b9ddcf;box-shadow:0 14px 34px rgba(0,0,0,.36);
  font-size:12px;line-height:1.5;text-transform:none;letter-spacing:0
}
.privacy-popover::before{
  content:"";position:absolute;left:18px;top:-5px;width:8px;height:8px;
  background:#13251f;border-left:1px solid #285443;border-top:1px solid #285443;
  transform:rotate(45deg)
}
.privacy-popover strong{display:block;color:#dff5ec;font-weight:600;margin-bottom:3px}

.btn{
  background:var(--panel-2);border:1px solid var(--rule);border-radius:var(--r);
  padding:7px 13px;cursor:pointer;color:var(--ink);
  font-family:var(--cond);text-transform:uppercase;letter-spacing:.08em;font-size:11px;font-weight:600;
  transition:border-color .15s,background .15s;
}
.btn:hover{border-color:var(--ink-faint);background:#243440}
.btn.primary{background:var(--marigold);border-color:var(--marigold);color:#14202a}
.btn.primary:hover{background:#f2b256;border-color:#f2b256}
.btn.quiet{background:transparent}
.refresh-action{display:inline-flex;align-items:center;gap:8px}
.refresh-action kbd{
  padding:1px 4px;border:1px solid rgba(20,32,42,.28);border-radius:2px;
  background:rgba(255,255,255,.24);font:600 9px/1.3 var(--mono);letter-spacing:0
}
.btn:focus-visible,textarea:focus-visible,select:focus-visible,.tab:focus-visible{
  outline:2px solid var(--marigold);outline-offset:2px}

/* ---------- layout ---------- */
.wrap{display:grid;grid-template-columns:minmax(340px,40%) 1fr;gap:1px;
  background:var(--rule);flex:1;min-height:0}
.pane{background:var(--bg);display:flex;flex-direction:column;min-width:0;
  min-height:0;overflow:hidden}
.pane-head{display:flex;align-items:center;gap:10px;padding:11px 16px;
  border-bottom:1px solid var(--rule);min-height:46px;flex-wrap:wrap;
  background:var(--toolbar);box-shadow:inset 0 -1px 0 rgba(255,255,255,.015)}
.pane-title{font-family:var(--cond);text-transform:uppercase;letter-spacing:.14em;
  font-size:11px;color:var(--ink-dim)}
.object-picker{min-width:0}
.object-picker select{max-width:230px;text-overflow:ellipsis}
.editor-head{padding-top:8px;padding-bottom:8px}
.editor-actions{display:flex;align-items:center;gap:7px}
.output-head{position:relative;align-items:center;gap:12px;padding-top:8px;padding-bottom:8px}
.output-head .tabs{flex:0 0 auto}
.output-head .opts{order:3;flex:0 0 100%;margin-left:0}
.command-menus{display:flex;align-items:center;gap:7px;margin-left:auto}

/* ---------- editor ---------- */
.editor{position:relative;display:flex;flex:1;min-height:0;overflow:hidden;background:var(--editor)}
.gutter{
  padding:14px 8px 14px 12px;text-align:right;font-family:var(--mono);font-size:12.5px;line-height:1.6;
  color:var(--ink-faint);background:var(--editor);border-right:1px solid var(--rule-soft);
  overflow:hidden;user-select:none;white-space:pre;min-width:46px;
}
#sql{
  flex:1;border:0;background:var(--editor);padding:14px 16px;resize:none;
  font-family:var(--mono);font-size:12.5px;line-height:1.6;tab-size:2;
  white-space:pre;overflow:auto;outline-offset:-2px;
}
#sql::placeholder{color:var(--ink-faint)}

/* ---------- readout (signature) ---------- */
.readout{border-top:1px solid var(--rule);padding:8px 12px;background:var(--panel-2);
  flex:0 0 auto}
.status-summary{display:flex;align-items:center;gap:7px;min-width:0}
.analysis-health{display:flex;gap:7px;flex-wrap:wrap;min-width:0}
.health-item{
  display:flex;align-items:baseline;justify-content:space-between;gap:8px;
  min-width:94px;padding:4px 7px;border:1px solid var(--rule);border-radius:var(--r);
  background:#18252e
}
.health-item span{font-family:var(--cond);text-transform:uppercase;letter-spacing:.08em;
  font-size:9px;color:var(--ink-faint)}
.health-item b{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--jade)}
.analysis-health[data-band="medium"] .health-item b{color:var(--marigold)}
.analysis-health[data-band="low"] .health-item b{color:var(--coral)}
.complexity-status{min-width:142px}
.complexity-status[data-band="2"] b{color:var(--marigold)}
.complexity-status[data-band="3"] b{color:#e0803f}
.complexity-status[data-band="4"] b{color:var(--coral)}
.status-details-trigger{
  margin-left:auto;border:0;background:transparent;color:var(--ink-dim);
  padding:5px 6px;cursor:pointer;font-family:var(--cond);font-size:10px;
  font-weight:600;text-transform:uppercase;letter-spacing:.09em;white-space:nowrap
}
.status-details-trigger::after{content:" ▾";color:var(--ink-faint)}
.status-details-trigger[aria-expanded="true"]::after{content:" ▴"}
.status-details-trigger:hover{color:var(--ink)}
.status-details-trigger:focus-visible{outline:2px solid var(--marigold);outline-offset:1px}
.analysis-detail-body{
  display:grid;grid-template-columns:minmax(260px,1fr) minmax(180px,.7fr);
  gap:12px 18px;margin-top:8px;padding:10px 4px 3px;border-top:1px solid var(--rule)
}
.analysis-detail-body[hidden]{display:none}
.stats{display:flex;flex-wrap:wrap;gap:12px 22px;grid-row:1 / span 2}
.stat{min-width:60px}
.stat b{display:block;font-family:var(--mono);font-size:16px;font-weight:500;letter-spacing:-.02em}
.stat span{font-family:var(--cond);text-transform:uppercase;letter-spacing:.1em;
  font-size:9px;color:var(--ink-faint)}
.meter{display:flex;gap:2px;height:8px}
.seg{flex:1;background:#243440;border-radius:1px}
.seg.on{background:var(--jade)}
.meter[data-band="2"] .seg.on{background:var(--marigold)}
.meter[data-band="3"] .seg.on{background:#e0803f}
.meter[data-band="4"] .seg.on{background:var(--coral)}
.cc-note{margin:0;font-size:11px;color:var(--ink-faint)}

/* ---------- output ---------- */
.tabs{display:flex;gap:2px}
.tab{background:none;border:0;border-bottom:2px solid transparent;padding:5px 2px;margin-right:16px;
  cursor:pointer;color:var(--ink-faint);
  font-family:var(--cond);text-transform:uppercase;letter-spacing:.12em;font-size:11px;font-weight:600}
.tab[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--marigold)}
.opts{margin-left:auto;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.opt{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--ink-dim)}
.opt.off{opacity:.42}
select{background:var(--panel-2);border:1px solid var(--rule);border-radius:var(--r);padding:4px 7px;font-size:12px}
input[type=checkbox]{accent-color:var(--marigold);width:14px;height:14px}
.command-menu{position:relative}
.command-menu>summary{display:flex;align-items:center;gap:7px;list-style:none;white-space:nowrap}
.command-menu>summary::-webkit-details-marker{display:none}
.command-menu>summary::after{
  content:"";width:5px;height:5px;flex:0 0 auto;
  border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;
  transform:translateY(-1px) rotate(45deg)
}
.command-menu[open]>summary::after{transform:translateY(1px) rotate(225deg)}
.command-menu[open]>summary{border-color:var(--ink-faint);background:#243440}
.command-menu-panel{
  position:absolute;top:calc(100% + 8px);right:0;z-index:8;
  min-width:220px;padding:8px;border:1px solid var(--rule);border-radius:5px;
  background:#172630;box-shadow:0 14px 34px rgba(0,0,0,.42)
}
.settings-panel{display:grid;gap:4px}
.settings-panel .opt{padding:7px 8px;border-radius:3px;white-space:nowrap}
.settings-panel .opt:hover{background:#20333f;color:var(--ink)}
.export-actions{display:grid;gap:3px}
.menu-action{
  width:100%;padding:8px 9px;border:0;border-radius:3px;background:transparent;
  color:var(--ink);text-align:left;cursor:pointer;font-family:var(--cond);
  font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.07em
}
.menu-action:hover{background:#20333f}
.menu-action:focus-visible{outline:2px solid var(--marigold);outline-offset:-1px}
.view{flex:1;position:relative;overflow:hidden;display:none}
.view.active{display:flex;flex-direction:column}
#canvas{flex:1;overflow:hidden;position:relative;cursor:grab;
  background-color:var(--canvas);
  background-image:radial-gradient(circle at 1px 1px,#22323e 1px,transparent 0);
  background-size:22px 22px}
#canvas.dragging{cursor:grabbing}
#stage{position:absolute;top:0;left:0;transform-origin:0 0;padding:26px}
#stage.empty-stage{right:0;bottom:0;display:grid;place-items:center;padding:0;
  transform:none!important}
#stage svg{max-width:none!important;height:auto}
.zoom{position:absolute;right:14px;bottom:14px;display:flex;gap:6px;z-index:3}
.zoom .btn{padding:5px 10px;background:var(--panel);opacity:.94}
#mermaid-out{flex:1;margin:0;padding:18px;overflow:auto;font-family:var(--mono);
  font-size:12.5px;line-height:1.6;white-space:pre;background:var(--panel);color:var(--ink)}
.msg.warn{color:var(--marigold)}
.msg{padding:18px;font-size:13px;color:var(--coral);font-family:var(--mono);white-space:pre-wrap;
  border-bottom:1px solid var(--rule);display:none}
.msg.show{display:block}
.msg .diag{display:block;margin:2px 0}
.msg .diag::before{content:"⚠ ";color:var(--marigold)}
.msg .diag.info::before{content:"ℹ ";color:var(--steel)}
#stage .node[data-source-start],#stage .node[data-object-id]{cursor:pointer}
#stage .node[data-source-start]:hover rect,#stage .node[data-source-start]:hover polygon,
#stage .node[data-source-start]:hover ellipse,#stage .node[data-source-start]:hover path,
#stage .node[data-object-id]:hover rect,#stage .node[data-object-id]:hover polygon,
#stage .node[data-object-id]:hover ellipse,#stage .node[data-object-id]:hover path{filter:brightness(1.18)}
.empty{margin:auto;text-align:center;color:var(--ink-faint);padding:40px;max-width:340px}
.empty p{font-size:12.5px}
footer{flex:0 0 auto;padding:6px 16px;color:var(--ink-faint);font-size:10.5px;
  border-top:1px solid var(--rule);background:#101920;white-space:nowrap;
  overflow:hidden;text-overflow:ellipsis}

@media (max-width:900px){
  body{height:auto;min-height:100%;overflow:auto}
  .top{position:sticky;top:0;flex-wrap:wrap}
  .brand-lockup{flex:1}
  .tagline{display:none}
  .top-actions{margin-left:auto}
  .wrap{display:grid;grid-template-columns:1fr;flex:none;min-height:auto}
  .pane{overflow:visible;min-height:0}
  .pane:first-child .editor{min-height:290px}
  .pane:first-child{min-height:430px}
  .pane:last-child{min-height:70vh}
  .view.active{min-height:60vh}
  .output-head{position:sticky;top:58px;z-index:5}
  .output-head .opts{order:3;flex-basis:100%}
  .analysis-detail-body{grid-template-columns:1fr}
  .stats{grid-row:auto}
  footer{white-space:normal}
}
@media (max-width:650px){
  .top{gap:8px;padding:8px 10px}
  .mark{font-size:20px}
  .privacy-disclosure{order:2}
  .top-actions{order:3;flex-basis:100%;display:grid;grid-template-columns:1fr 1fr}
  .top-actions .btn{width:100%}
  .editor-head{align-items:flex-start}
  #proc-name{order:4;flex-basis:100%;margin-left:0!important}
  .editor-actions{margin-left:auto}
  .refresh-action kbd{display:none}
  .status-summary{align-items:stretch;flex-wrap:wrap}
  .analysis-health{display:grid;grid-template-columns:repeat(3,1fr);width:100%}
  .health-item{min-width:0}
  .complexity-status{flex:1}
  .output-head .tabs{flex:1}
  .command-menus{margin-left:0}
  .output-head .opts{display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .output-head .opt{justify-content:space-between}
  .output-head .opt select{min-width:0;max-width:120px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}