body{
  min-height:100vh;
  background:
    radial-gradient(circle at top left,rgba(201,130,44,.22),transparent 34rem),
    radial-gradient(circle at bottom right,rgba(47,123,103,.18),transparent 30rem),
    var(--bg);
}

.studio-shell{max-width:1280px;margin:0 auto;padding:28px}
.hero{display:flex;justify-content:space-between;gap:24px;align-items:flex-end;padding:28px;margin-bottom:18px}
.hero h1{max-width:760px;margin:4px 0 10px;font-size:clamp(32px,5vw,64px);line-height:.95;color:var(--brand)}
.eyebrow{margin:0;text-transform:uppercase;letter-spacing:.16em;font-size:12px;font-weight:800;color:var(--warm)}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.file-btn{position:relative;overflow:hidden}
.file-btn input{position:absolute;inset:0;opacity:0;cursor:pointer}

.ports-grid{display:grid;grid-template-columns:minmax(300px,390px) 1fr;gap:18px}
.panel{padding:20px;position:sticky;top:20px;align-self:start}
.panel-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.panel h2{margin:0;color:var(--brand)}
.status-pill{border:1px solid var(--line);border-radius:999px;padding:5px 10px;font-size:12px;color:var(--muted);background:rgba(255,255,255,.6)}
label{display:block;margin:14px 0 6px;font-weight:800;color:var(--brand)}
select,textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:12px;
  background:rgba(255,255,255,.82);
  color:var(--ink);
  font:14px/1.45 var(--fb);
}
select{padding:10px 12px}
textarea{min-height:180px;resize:vertical;padding:12px}
#configBox{min-height:220px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px}
summary{margin:16px 0 8px;font-weight:800;color:var(--brand);cursor:pointer}
.quick-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}

.workspace{min-width:0}
.canvas-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;margin-bottom:14px}
.canvas-toolbar strong{display:block;color:var(--brand)}
.canvas-host{min-height:58vw;max-height:720px;aspect-ratio:16/9;margin:0 auto}
.slide{
  width:100%;
  height:100%;
  border-radius:24px;
  overflow:hidden;
  background:linear-gradient(135deg,#fffaf2,#edf4ef);
  box-shadow:0 28px 80px rgba(18,50,58,.2);
  padding:clamp(22px,4vw,56px);
  display:grid;
  grid-template-rows:auto 1fr auto;
  gap:20px;
  position:relative;
}
.slide:before{
  content:"";
  position:absolute;
  inset:auto -8% -18% auto;
  width:40%;
  aspect-ratio:1;
  border-radius:50%;
  background:rgba(201,130,44,.18);
}
.slide-header{position:relative;z-index:1}
.slide-kicker{margin:0 0 8px;text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:800;color:var(--accent)}
.slide-title{margin:0;font-family:var(--fd);font-size:clamp(28px,5vw,60px);line-height:.98;color:var(--brand)}
.slide-body{position:relative;z-index:1;display:grid;align-content:center;gap:18px}
.block-text{font-size:clamp(18px,2vw,28px);line-height:1.25}
.block-list{display:grid;gap:12px;font-size:clamp(16px,1.7vw,24px)}
.block-list div{padding:12px 14px;border-left:5px solid var(--accent);background:rgba(255,255,255,.62);border-radius:12px}
.block-image{max-width:100%;max-height:430px;object-fit:contain;border-radius:18px;box-shadow:0 18px 48px rgba(18,50,58,.18)}
.chart{display:grid;gap:10px}
.bar-row{display:grid;grid-template-columns:110px 1fr 48px;gap:10px;align-items:center}
.bar-track{height:18px;border-radius:999px;background:rgba(18,50,58,.12);overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--warm))}
.mermaid-box{background:rgba(255,255,255,.75);border-radius:18px;padding:18px;overflow:auto}
.slide-footer{position:relative;z-index:1;color:var(--muted);font-size:13px}
.thumb-rail{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px;margin-top:14px}
.thumb{border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.72);padding:12px;text-align:left;color:var(--ink)}
.thumb.active{outline:3px solid rgba(47,123,103,.28);border-color:var(--accent)}
.thumb strong{display:block;color:var(--brand);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.thumb span{font-size:12px;color:var(--muted)}

@media (max-width:860px){
  .studio-shell{padding:16px}
  .hero{display:block}
  .hero-actions{justify-content:flex-start;margin-top:16px}
  .ports-grid{grid-template-columns:1fr}
  .panel{position:static}
  .canvas-host{min-height:auto}
}