*{box-sizing:border-box}
body{margin:0;font:15px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:#111;background:#e5e7eb}
.controls{position:sticky;top:0;z-index:5;background:#fff;border-bottom:1px solid #d1d5db;padding:10px 14px}
.fila{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:4px 0}
.inici{font-weight:700;color:#111;text-decoration:none;border:1px solid #111;border-radius:6px;padding:2px 8px}
h1{font-size:1.05rem;margin:0}
button,select,input{font:inherit;font-size:.92rem;border:1px solid #9ca3af;border-radius:8px;background:#fff;color:#111;padding:6px 10px}
button{cursor:pointer}
button.on{background:#111;color:#fff;border-color:#111}
button.primari{background:#0f766e;border-color:#0f766e;color:#fff;margin-left:auto}
.grup{display:inline-flex;flex-wrap:wrap;gap:6px;align-items:center}
.sep{color:#6b7280}
input[type=number]{width:6.2em}
.estat{margin:4px 0 0;color:#374151;font-size:.88rem;min-height:1.2em}
.amagat{display:none!important}
#soluTria label{font-size:.85rem;border:1px solid #d1d5db;border-radius:6px;padding:2px 6px;background:#f9fafb}
#pagines{padding:14px;display:flex;flex-direction:column;align-items:center;gap:14px}
.pagina{background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.25);overflow:hidden;position:relative}
.pagina.h{width:297mm;height:210mm}
.pagina.v{width:210mm;height:297mm}
.pagina svg.full{display:block;width:100%;height:100%}
/* solucionari */
.solus{display:flex;width:297mm;height:210mm}
.solu{width:148.5mm;height:210mm;padding:6mm 5mm 4mm;overflow:hidden;border-right:.2mm dashed #bbb;font-family:Arial,Helvetica,sans-serif;color:#000}
.solu:last-child{border-right:none}
.solu .cap{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:1.2mm}
.solu .codi{font:700 4.2mm/1 "Courier New",monospace}
.solu .nota{font-size:2.3mm;color:#333}
.solu table{width:100%;border-collapse:collapse;table-layout:fixed}
.solu td{border-top:.15mm solid #ccc;padding:.3mm .5mm;vertical-align:top;font-size:2.05mm;line-height:2.2mm;height:5.05mm}
.solu td.pos{width:7mm;font-weight:700;font-size:2.4mm}
.solu .el{font-weight:700}
@media screen{.pagina{zoom:var(--z,1)}}
@media print{
  body{background:#fff}
  .controls{display:none}
  #pagines{padding:0;gap:0;display:block}
  .pagina{box-shadow:none;zoom:1;break-after:page;page-break-after:always;margin:0}
  .pagina:last-child{break-after:auto;page-break-after:auto}
}