:root{
  --bg:#0b0d10;
  --card:#12161c;
  --card2:#0f1318;
  --text:#e8eef7;
  --muted:#9aa7b7;
  --border:rgba(255,255,255,0.10);
  --accent:#4ea1ff;
  --danger:#ff4e5a;
  --shadow: 0 12px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: radial-gradient(1200px 600px at 15% 0%, rgba(78,161,255,.18), transparent 60%),
              radial-gradient(1000px 500px at 95% 15%, rgba(130,87,255,.14), transparent 65%),
              var(--bg);
  color:var(--text);
}

.topbar{
  position:sticky; top:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 18px;
  border-bottom:1px solid var(--border);
  background: rgba(10,12,15,.65);
  backdrop-filter: blur(10px);
}
.brand{display:flex; gap:12px; align-items:center}
.logo{
  width:40px; height:40px; border-radius:14px;
  display:grid; place-items:center;
  background: rgba(78,161,255,.18);
  border:1px solid rgba(78,161,255,.35);
  box-shadow: var(--shadow);
  font-weight:800;
}
.title{font-weight:800; letter-spacing:.2px}
.subtitle{font-size:12px; color:var(--muted)}

.nav{display:flex; gap:8px; align-items:center}
.navlink{
  text-decoration:none;
  padding:9px 12px;
  border-radius:12px;
  color:var(--text);
  border:1px solid transparent;
}
.navlink:hover{border-color:var(--border); background: rgba(255,255,255,.03)}
.navlink.active{background: rgba(78,161,255,.12); border-color: rgba(78,161,255,.35)}

.container{max-width:1200px; margin:18px auto; padding:0 14px 40px}
.card{
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent 120%), var(--card);
  border:1px solid var(--border);
  border-radius:18px;
  box-shadow: var(--shadow);
  overflow:hidden;
}
.cardHeader{
  padding:16px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-bottom:1px solid var(--border);
}
.cardHeader h1{margin:0; font-size:18px}
.actions{display:flex; gap:8px; flex-wrap:wrap; justify-content:flex-end}

.btn{
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
  color:var(--text);
  padding:9px 12px;
  border-radius:12px;
  cursor:pointer;
  font-weight:650;
}
.btn:hover{background: rgba(255,255,255,.06)}
.btn.active{border-color: rgba(78,161,255,.65); background: rgba(78,161,255,.18)}
.btn.primary{border-color: rgba(78,161,255,.45); background: rgba(78,161,255,.12)}
.btn.primary:hover{background: rgba(78,161,255,.18)}
.btn.danger{border-color: rgba(255,78,90,.45); background: rgba(255,78,90,.10)}
.btn.danger:hover{background: rgba(255,78,90,.16)}

.grid2{display:grid; grid-template-columns: 1.05fr .95fr; gap:16px; padding:16px}
.grid2.tight{gap:10px; padding:0}
@media (max-width: 980px){.grid2{grid-template-columns: 1fr;}}

.sectionTitle{font-weight:800; margin:10px 0 8px 0; color: #dfe9ff; font-size:13px; text-transform:uppercase; letter-spacing:.08em}

.field{display:flex; flex-direction:column; gap:6px; margin-bottom:10px}
.field span{font-size:12px; color:var(--muted)}
.field input{
  border-radius:12px;
  border:1px solid var(--border);
  padding:10px 12px;
  background: rgba(0,0,0,.22);
  color:var(--text);
  outline:none;
}
.field input:focus{border-color: rgba(78,161,255,.55); box-shadow: 0 0 0 3px rgba(78,161,255,.12)}
.field.small input{padding:8px 10px}

.hint{margin-top:12px; font-size:12px; color:var(--muted)}
.smallHint{margin-top:10px; font-size:12px; color:var(--muted)}
.muted{color:var(--muted)}

.previewWrap{
  position:relative;
  border:1px solid var(--border);
  border-radius:16px;
  background: rgba(0,0,0,.25);
  overflow:hidden;
}
.previewCanvas{width:100%; display:block}
.overlay{position:absolute; inset:0; pointer-events:none}

.chips{display:flex; flex-wrap:wrap; gap:8px}
.chip{
  display:flex; align-items:center; gap:8px;
  padding:8px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
}
.chip input{width:16px; height:16px}

.accordion{margin-top:12px; border:1px solid var(--border); border-radius:16px; overflow:hidden; background: rgba(0,0,0,.18)}
.accordion summary{cursor:pointer; padding:12px 14px; display:flex; justify-content:space-between; align-items:center; list-style:none}
.accordion summary::-webkit-details-marker{display:none}
.accordionBody{padding:12px 14px; border-top:1px solid var(--border)}
.pill{font-size:11px; color:var(--muted); border:1px solid var(--border); padding:4px 8px; border-radius:999px; background: rgba(255,255,255,.03)}

.expGrid{display:grid; grid-template-columns: 1.2fr .7fr .7fr; gap:10px}
@media (max-width: 980px){.expGrid{grid-template-columns: 1fr;}}
.expRowTitle{grid-column: 1 / -1; font-weight:800; font-size:12px; color:#dfe9ff; margin-top:8px}

.footer{max-width:1200px; margin:0 auto; padding:14px; color:var(--muted); display:flex; justify-content:space-between; gap:12px; font-size:12px}

/* Calibrator */
.calLayout{display:grid; grid-template-columns: 360px 1fr; min-height: 70vh}
@media (max-width: 980px){.calLayout{grid-template-columns: 1fr;}}
.calPanel{
  padding:16px;
  border-right:1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.02), transparent 80%), var(--card2);
}
.note{font-size:12px; color:var(--muted); line-height:1.45}
.row{display:flex; gap:8px; align-items:center; margin:8px 0}
.kbd{font-size:12px; color:var(--muted); border:1px solid var(--border); padding:6px 10px; border-radius:12px; background: rgba(255,255,255,.03)}
.nudge{display:flex; flex-direction:column; gap:8px}
.search{width:100%; border-radius:12px; border:1px solid var(--border); padding:10px 12px; background: rgba(0,0,0,.22); color:var(--text); outline:none}
.fieldList{margin-top:10px; display:flex; flex-direction:column; gap:8px; max-height: 320px; overflow:auto; padding-right:6px}
.fieldItem{
  display:flex; justify-content:space-between; gap:10px; align-items:center;
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
  border-radius:14px;
  padding:10px 10px;
  cursor:pointer;
}
.fieldItem:hover{background: rgba(255,255,255,.06)}
.fieldItem.active{border-color: rgba(78,161,255,.55); background: rgba(78,161,255,.10)}
.fieldItem .meta{font-size:11px; color:var(--muted)}
.selectedBox{border:1px solid var(--border); border-radius:16px; padding:10px; background: rgba(255,255,255,.03)}

.calCanvasWrap{padding:12px}
.canvasTop{display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap; margin-bottom:10px}
.canvasScroll{border:1px solid var(--border); border-radius:16px; overflow:auto; background: rgba(0,0,0,.22)}
.canvasStage{position:relative; min-height: 400px; width: max-content; margin:0 auto}
#pdfCanvas{display:block}
#overlayCanvas{position:absolute; inset:0; pointer-events:auto}

.prose{padding:16px; color: var(--text)}
.prose code{background: rgba(255,255,255,.06); padding:2px 6px; border-radius:8px; border:1px solid var(--border)}