.em-main{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);align-items:start;gap:16px;margin-top:12px;display:grid}@media (max-width:760px){.em-main{grid-template-columns:minmax(0,1fr)}}.em-prev{flex-direction:column;align-items:center;gap:8px;min-width:0;display:flex}.em-prev canvas{background:var(--board);border:2px solid var(--ink);border-radius:var(--radius);width:auto;max-width:100%;height:auto;max-height:70vh;display:block}.em-prev canvas.drag{touch-action:none;cursor:move;-webkit-user-select:none;user-select:none}.em-prev canvas:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.em-hint{text-align:center;margin:0;font-size:13px}.em-col{flex-direction:column;gap:12px;min-width:0;display:flex}.em-h{margin:4px 0 0}.em-size{justify-content:space-between;align-items:center;gap:8px;display:flex}.em-range{width:100%;min-height:28px;accent-color:var(--accent)}.em-box{border-top:1.5px dashed var(--line);flex-direction:column;gap:10px;padding-top:10px;display:flex}