.iddv-activity{max-width:1100px;margin:20px auto;font-family:inherit;color:#000}.iddv-activity *{box-sizing:border-box}.iddv-instructions{margin-bottom:16px;color:#000}.iddv-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:18px;align-items:start}.iddv-bank-wrap{border:1px solid #ccc;padding:14px;background:#fff}.iddv-bank-wrap h3{margin:0 0 12px;color:#000}.iddv-bank{display:flex;flex-direction:column;gap:9px}.iddv-token{background:#fff;border:1px solid #888;border-radius:4px;padding:10px 12px;color:#000;cursor:grab;user-select:none;touch-action:none;text-align:center;box-shadow:0 1px 2px rgba(0,0,0,.08)}.iddv-token:active{cursor:grabbing}.iddv-floating{position:fixed;z-index:999999;pointer-events:none;width:160px}.iddv-stage{position:relative;line-height:0;overflow:hidden}.iddv-stage-image{display:block;width:100%;height:auto}.iddv-drop-layer{position:absolute;inset:0}.iddv-placed{position:absolute;min-width:70px;max-width:30%;padding:7px 10px;background:#fff;border:2px solid #555;border-radius:4px;color:#000;font-weight:600;line-height:1.2;text-align:center;cursor:move;user-select:none;touch-action:none;box-shadow:0 1px 3px rgba(0,0,0,.2)}.iddv-placed.is-correct{border-color:#278a27}.iddv-placed.is-wrong{border-color:#b32d2e}.iddv-controls{display:flex;gap:10px;margin-top:16px}.iddv-btn{border:1px solid #555;background:#fff;color:#000;padding:9px 16px;border-radius:4px;cursor:pointer}.iddv-btn:hover{background:#f1f1f1}.iddv-result{margin-top:14px;font-weight:700;color:#000}.iddv-result.is-correct{font-size:18px}.iddv-error{padding:12px;border:1px solid #b32d2e;color:#000}@media(max-width:700px){.iddv-layout{grid-template-columns:1fr}.iddv-bank{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.iddv-token{font-size:14px}.iddv-placed{font-size:12px;max-width:42%}}