:root{
  --ink:#12212E; --paper:#EEF1F3; --surface:#FFFFFF; --surface-2:#F7F9FA;
  --muted:#62727F; --faint:#8C9AA5; --rule:#DFE5E9; --rule-2:#EDF1F3;
  --night:#12212E; --night-2:#1B2E3D; --night-3:#26404F;
  --night-text:#DDE6EB; --night-muted:#8FA6B4; --mint:#7FD3B8;
  --s-pop:#4A6C7D; --s-alleg:#2E7D8F; --s-inv:#3F8F7A;
  --s-sub:#C08A2B; --s-entry:#C2662E; --s-care:#A63D40;
  --up:#A63D40; --down:#2F7D5E;
  --sans:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --r:10px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:var(--sans); font-size:14px; line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:2px solid var(--s-alleg);outline-offset:2px;border-radius:4px}

/* ---------- shell ---------- */
.app{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);height:100vh;height:100dvh;gap:0}
.left{display:flex;flex-direction:column;min-width:0;overflow:hidden}
.right{display:grid;grid-template-rows:minmax(0,1.65fr) minmax(0,1fr);background:var(--night);min-width:0}

/* ---------- masthead ---------- */
.masthead{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  padding:16px 22px 12px;border-bottom:1px solid var(--rule);background:var(--surface);
}
.brand h1{font-family:var(--serif);font-size:21px;font-weight:500;letter-spacing:-.01em;margin:0;line-height:1.15}
.brand p{margin:3px 0 0;font-size:11px;color:var(--faint);letter-spacing:.02em}
.controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.seg{display:flex;border:1px solid var(--rule);border-radius:var(--r);overflow:hidden;background:var(--surface)}
.seg button{padding:6px 11px;font-size:12px;color:var(--muted);border-right:1px solid var(--rule);white-space:nowrap;transition:background .12s}
.seg button:last-child{border-right:none}
.seg button:hover{background:var(--surface-2)}
.seg button[aria-pressed="true"]{background:var(--ink);color:#fff}
.yearpick{display:flex;align-items:center;gap:8px;border:1px solid var(--rule);border-radius:var(--r);background:var(--surface);padding:4px 10px}
.yearpick label{font-size:10px;color:var(--faint);text-transform:uppercase;letter-spacing:.08em}
.yearpick input{width:104px;accent-color:var(--ink)}
.yearpick output{font-family:var(--mono);font-size:13px;min-width:34px}

/* ---------- breadcrumb ---------- */
.crumbs{display:flex;align-items:center;gap:7px;padding:9px 22px;background:var(--surface);
  border-bottom:1px solid var(--rule);font-size:11px;color:var(--faint);min-height:36px}
.crumbs button{color:var(--muted);text-decoration:underline;text-underline-offset:2px;text-decoration-color:var(--rule)}
.crumbs button:hover{color:var(--ink)}
.crumbs .sep{color:var(--rule)}
.crumbs .now{color:var(--ink)}

/* ---------- canvas ---------- */
.canvas{flex:1;overflow-y:auto;padding:16px 22px 26px;display:flex;flex-direction:column;gap:14px}
.canvas::-webkit-scrollbar{width:9px}
.canvas::-webkit-scrollbar-thumb{background:#CFD8DD;border-radius:9px}

.card{background:var(--surface);border:1px solid var(--rule);border-radius:var(--r);padding:14px 16px 12px}
.card > h2{margin:0;font-size:12px;font-weight:500;letter-spacing:.01em;color:var(--ink)}
.card > .sub{margin:2px 0 12px;font-size:11px;color:var(--faint)}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:14px}

/* ---------- pipeline ---------- */
.pipe{display:flex;align-items:stretch;gap:0;flex-wrap:nowrap}
.stage{
  flex:1 1 0;min-width:0;border:1px solid var(--rule);border-radius:var(--r);
  padding:9px 8px 8px;text-align:left;background:var(--surface);position:relative;
  transition:border-color .14s, transform .14s, box-shadow .14s;
}
.stage:hover{border-color:var(--stage-c);transform:translateY(-1px);box-shadow:0 2px 10px rgba(18,33,46,.07)}
.stage[aria-current="true"]{border-color:var(--stage-c);box-shadow:inset 0 0 0 1px var(--stage-c)}
.stage .dot{width:100%;height:3px;border-radius:2px;background:var(--stage-c);margin-bottom:8px;opacity:.85}
.stage .lbl{font-size:10.5px;color:var(--muted);letter-spacing:.02em;display:block;line-height:1.3}
.stage .val{font-family:var(--mono);font-size:19px;letter-spacing:-.02em;display:block;margin-top:3px;color:var(--ink)}
.stage .unit{font-size:9.5px;color:var(--faint);display:block;margin-top:1px}
.stage .n{font-size:10px;color:var(--faint);display:block;margin-top:5px;font-family:var(--mono)}
.conv{
  flex:0 0 62px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:1px;padding:0 2px;text-align:center;
}
.conv .pct{font-family:var(--mono);font-size:12px;color:var(--ink)}
.conv .cap{font-size:9px;color:var(--faint);line-height:1.25}
.conv .arrow{color:var(--rule);font-size:12px;line-height:1}
.conv.flag .pct{color:var(--s-entry);font-weight:500}

/* ---------- kpi strip ---------- */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.kpi{background:var(--surface-2);border-radius:var(--r);padding:10px 12px}
.kpi .k{font-size:10px;color:var(--faint);text-transform:uppercase;letter-spacing:.07em}
.kpi .v{font-family:var(--mono);font-size:19px;margin-top:3px;letter-spacing:-.02em}
.kpi .d{font-size:10.5px;color:var(--muted);margin-top:2px}
.delta-neutral{color:var(--muted)}

/* ---------- charts ---------- */
.chartwrap{position:relative}
svg.chart{display:block;width:100%;height:auto;overflow:visible}
.chart text{font-family:var(--mono);font-size:9.5px;fill:var(--faint)}
.chart text.ax{font-size:9px}
.chart .grid{stroke:var(--rule-2);stroke-width:1}
.chart .axis{stroke:var(--rule);stroke-width:1}
.chart .ln{fill:none;stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.chart .ln.dim{opacity:.28;stroke-width:1.5}
.chart .pt{stroke:#fff;stroke-width:1.5}
.chart .hit{fill:transparent;cursor:pointer}
.chart .bar{cursor:pointer;transition:opacity .12s}
.chart .bar:hover{opacity:.78}
.legend{display:flex;flex-wrap:wrap;gap:10px;margin-top:9px}
.legend button{display:flex;align-items:center;gap:5px;font-size:10.5px;color:var(--muted);padding:2px 0}
.legend button:hover{color:var(--ink)}
.legend .sw{width:9px;height:9px;border-radius:2px;flex:0 0 auto}
.legend button.off{opacity:.4}
.tip{
  position:absolute;pointer-events:none;background:var(--ink);color:#fff;border-radius:6px;
  padding:6px 9px;font-size:11px;line-height:1.45;white-space:nowrap;opacity:0;transition:opacity .1s;
  z-index:30;transform:translate(-50%,-115%);font-family:var(--mono)
}
.tip.on{opacity:1}
.tip b{font-family:var(--sans);font-weight:500}

/* ---------- table ---------- */
table.tbl{width:100%;border-collapse:collapse;font-size:12px}
.tbl th{text-align:right;font-weight:500;font-size:10px;color:var(--faint);text-transform:uppercase;
  letter-spacing:.06em;padding:0 0 7px;border-bottom:1px solid var(--rule)}
.tbl th:first-child{text-align:left}
.tbl td{padding:7px 0;border-bottom:1px solid var(--rule-2);text-align:right;font-family:var(--mono)}
.tbl td.delta-neutral{color:var(--muted)}
.tbl td:first-child{text-align:left;font-family:var(--sans)}
.tbl tbody tr{cursor:pointer}
.tbl tbody tr:hover td{background:var(--surface-2)}
.tbl tr.me td{font-weight:500}
.tbl tr.me td:first-child::before{content:"▸ ";color:var(--s-alleg)}

/* ---------- composition bar ---------- */
.compo{display:flex;height:19px;border-radius:4px;overflow:hidden;margin-bottom:10px}
.compo span{cursor:pointer;transition:filter .12s}
.compo span:hover{filter:brightness(1.12)}
.compolist{display:flex;flex-direction:column;gap:5px}
.compolist button{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--muted);width:100%;text-align:left;padding:2px 0}
.compolist button:hover{color:var(--ink)}
.compolist .sw{width:9px;height:9px;border-radius:2px;flex:0 0 auto}
.compolist .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.compolist .pc{font-family:var(--mono);font-size:11px;color:var(--ink)}
.compolist .ch{font-family:var(--mono);font-size:10px;width:48px;text-align:right}

.foot{font-size:10px;color:var(--faint);line-height:1.6;padding:2px 2px 0}
.foot a{color:var(--muted)}

/* ---------- AI panel ---------- */
.ai{display:flex;flex-direction:column;min-height:0;border-left:1px solid var(--night-3);color:var(--night-text)}
.ai-head{display:flex;align-items:center;gap:8px;padding:14px 18px 10px;border-bottom:1px solid var(--night-3)}
.ai-head .tag{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--mint)}
.pulse{width:6px;height:6px;border-radius:50%;background:var(--mint);flex:0 0 auto}
.pulse.busy{animation:pulse 1.1s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
.ai-head .mode{margin-left:auto;font-size:10px;color:var(--night-muted);border:1px solid var(--night-3);
  border-radius:20px;padding:2px 9px;cursor:pointer}
.ai-head .mode:hover{border-color:var(--mint);color:var(--mint)}
.ai-body{flex:1;overflow-y:auto;padding:14px 18px 18px}
.ai-body::-webkit-scrollbar,.chatlog::-webkit-scrollbar{width:7px}
.ai-body::-webkit-scrollbar-thumb,.chatlog::-webkit-scrollbar-thumb{background:var(--night-3);border-radius:7px}
.ai-scope{font-size:10px;color:var(--night-muted);letter-spacing:.04em;margin-bottom:10px}
.ai-head-line{font-family:var(--serif);font-size:19px;line-height:1.28;font-weight:400;margin:0 0 14px;letter-spacing:-.01em}
.ins{display:flex;gap:10px;margin-bottom:13px;font-size:12.5px;line-height:1.62;color:#C6D5DE}
.ins .num{font-family:var(--mono);font-size:10px;color:var(--mint);flex:0 0 auto;padding-top:3px}
.ins b{color:#fff;font-weight:500}
.ai-math{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:16px 0 4px;padding-top:13px;border-top:1px solid var(--night-3)}
.ai-math div{min-width:0}
.ai-math .k{font-size:9.5px;color:var(--night-muted);text-transform:uppercase;letter-spacing:.06em;line-height:1.35}
.ai-math .v{font-family:var(--mono);font-size:16px;color:#fff;margin-top:3px}
.ai-math .c{font-size:10px;color:var(--night-muted);margin-top:1px}
.ai-watch{border-top:1px solid var(--night-3);padding-top:11px;margin-top:4px;font-size:11.5px;color:var(--night-muted);line-height:1.6}
.ai-watch strong{color:var(--mint);font-weight:500;text-transform:uppercase;font-size:10px;letter-spacing:.08em;display:block;margin-bottom:4px}
.skel{height:11px;background:var(--night-2);border-radius:3px;margin-bottom:9px;animation:pulse 1.3s ease-in-out infinite}

/* ---------- chat ---------- */
.chat{display:flex;flex-direction:column;min-height:0;border-top:1px solid var(--night-3);border-left:1px solid var(--night-3)}
.chat-head{padding:9px 18px 7px;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--night-muted)}
.chatlog{flex:1;overflow-y:auto;padding:2px 18px 8px;display:flex;flex-direction:column;gap:9px}
.msg{font-size:12.5px;line-height:1.6;max-width:100%}
.msg.u{background:var(--night-3);color:#EAF1F5;border-radius:9px 9px 3px 9px;padding:7px 10px;align-self:flex-end;max-width:88%}
.msg.a{color:#C6D5DE}
.msg.a b{color:#fff;font-weight:500}
.chips{display:flex;gap:6px;flex-wrap:wrap;padding:0 18px 8px}
.chips button{font-size:10.5px;color:var(--night-muted);border:1px solid var(--night-3);border-radius:20px;padding:3px 9px;white-space:nowrap}
.chips button:hover{border-color:var(--mint);color:var(--mint)}
.composer{display:flex;gap:8px;align-items:center;padding:10px 18px 14px;border-top:1px solid var(--night-3)}
.composer input{
  flex:1;background:var(--night-2);border:1px solid var(--night-3);color:var(--night-text);
  border-radius:9px;padding:9px 11px;font-family:var(--sans);font-size:12.5px;min-width:0
}
.composer input::placeholder{color:#607785}
.composer input:focus{outline:none;border-color:var(--mint)}
.composer button{background:var(--mint);color:var(--night);border-radius:9px;padding:9px 13px;font-size:12px;font-weight:500}
.composer button:disabled{opacity:.4;cursor:default}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;background:rgba(18,33,46,.55);display:flex;align-items:center;
  justify-content:center;padding:20px;z-index:60}
.modal[hidden]{display:none}
.modal .box{background:var(--surface);border-radius:14px;padding:24px;max-width:480px;width:100%;
  max-height:86vh;overflow-y:auto}
.modal h3{font-family:var(--serif);font-size:19px;font-weight:500;margin:0 0 4px}
.modal p{font-size:12.5px;color:var(--muted);line-height:1.65}
.modal label{display:block;font-size:11px;color:var(--faint);text-transform:uppercase;
  letter-spacing:.07em;margin:16px 0 6px}
.modal .opt{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--rule);border-radius:var(--r);
  padding:11px 13px;margin-bottom:8px;cursor:pointer}
.modal .opt:hover{border-color:var(--s-alleg)}
.modal .opt input{margin-top:3px;accent-color:var(--ink)}
.modal .opt .t{font-size:13px}
.modal .opt .d{font-size:11.5px;color:var(--muted);margin-top:2px;line-height:1.5}
.modal .close{margin-top:18px;background:var(--ink);color:#fff;border-radius:var(--r);padding:9px 16px;font-size:13px}
code{font-family:var(--mono);font-size:11.5px;background:var(--surface-2);padding:1px 5px;border-radius:4px}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .app{grid-template-columns:1fr;height:auto;min-height:100vh}
  .left{overflow:visible}
  .canvas{overflow:visible}
  .right{grid-template-rows:auto auto;min-height:70vh}
  .ai-body{max-height:46vh}
  .chatlog{max-height:26vh}
  .ai,.chat{border-left:none}
}
@media (max-width:720px){
  .pipe{flex-wrap:wrap;gap:8px}
  .stage{flex:1 1 44%}
  .conv{flex:1 1 100%;flex-direction:row;gap:6px;padding:1px 0}
  .conv .arrow{transform:rotate(90deg)}
  .masthead{flex-direction:column;align-items:stretch;gap:11px}
  .controls{justify-content:flex-start}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}