#workshop { max-width: 1240px; margin: auto; padding: 24px clamp(14px, 4vw, 42px) 48px; }
.workshop-heading { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.workshop-heading h1 { margin: 0; }
.workshop-heading p { margin: 8px 0; }
.workshop-heading button { flex-shrink: 0; }
.workshop-nav, .workshop-tools { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.workshop-nav button, .workshop-tools button { min-height: 44px; }
.workshop-nav button[aria-pressed="true"], .workshop-tools button[aria-pressed="true"] { color: #fff; background: #243e73; }
#workshop section { padding: clamp(12px, 3vw, 26px); border: 1px solid #c9d6ef; background: #fff; border-radius: 18px; }
#workshop h2 { margin-top: 0; }
.workshop-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.45fr); align-items: start; gap: 20px; }
#workshop label { display: block; margin: 12px 0 5px; font-weight: 700; }
#workshop input:not([type="checkbox"]), #workshop textarea, #workshop select { box-sizing: border-box; width: 100%; padding: 9px 11px; font: inherit; border: 1px solid #9babc6; border-radius: 8px; color: #172843; background: #fff; }
#workshop textarea { min-height: 105px; }
#workshop canvas { display: block; width: 100%; height: auto; box-sizing: border-box; touch-action: none; border-radius: 12px; cursor: crosshair; }
#workshop canvas:focus-visible { outline: 3px solid #3155a3; outline-offset: 3px; }
.workshop-grid { display: grid; grid-template-columns: repeat(5, 1fr); background: #132449; gap: 3px; border: 4px solid #132449; border-radius: 10px; max-width: 380px; }
.workshop-grid span { display: grid; place-items: center; aspect-ratio: 1; background: #263c65; color: #fff; font-size: clamp(20px, 4vw, 32px); }
.workshop-status { min-height: 1.5em; color: #243e73; font-weight: 700; }
.workshop-teacher { border-top: 1px solid #c9d6ef; padding-top: 14px; }
.workshop-teacher summary { cursor: pointer; font-weight: 700; }
#workshop [hidden] { display: none !important; }
@media (max-width: 760px) {
  .workshop-heading { align-items: stretch; flex-direction: column; gap: 8px; }
  .workshop-layout { grid-template-columns: 1fr; }
  #workshop canvas { grid-row: 1; }
}