/* source: print\mix_*.htm shared style */
:root{
  --maxw: 980px;
  --gap: 14px;
  --task-h: 190px;
  --pad: 10px;
  --font: "Segoe UI", Arial, sans-serif;
}
*{box-sizing:border-box}
body{
  font-family: var(--font);
  margin: 18px;
  text-align: center;
}
h1{margin:4px 0 12px}
.controls{ margin: 12px 0 14px; }
button{
  font-size:16px; padding:8px 14px; margin:6px; cursor:pointer;
}
.grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  max-width: var(--maxw);
  margin: 0 auto;
}
.task{
  border: 2px solid #bbb;
  border-radius: 10px;
  padding: var(--pad);
  text-align: left;
  min-height: var(--task-h);
  position: relative;
  display:flex;
  flex-direction:column;
}
.head{
  display:flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom:6px;
  gap: 8px;
}
.opgnr{
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}
.expr{
  font-size: 20px;
  font-weight: 600;
  text-align: right;
}
.workspace{
  flex:none;
  height: 112px;
  border-radius: 6px;
  border: 1px dashed #c9c9c9;
  background-image:
    linear-gradient(to right, #e6e6e6 1px, transparent 1px),
    linear-gradient(to bottom, #e6e6e6 1px, transparent 1px);
  background-size: 25px 28px;
}
.answer{
  position:absolute;
  right:10px; bottom:8px;
  font-size: 15px;
  background:#fff;
  padding:2px 6px;
  border-radius:6px;
  border:1px solid #ddd;
  display:none;
}
.show-answers .answer{ display:inline-block; }

.frac{
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  vertical-align:middle;
  line-height:1;
  margin:0 2px;
}
.frac .top{
  display:block;
  padding:0 4px 2px 4px;
  border-bottom:1px solid #111;
}
.frac .bottom{
  display:block;
  padding:2px 4px 0 4px;
}

@media print{
  .controls{display:none}
  body{margin:8mm}
  .grid{gap:10px}
}