.hv-letter{min-height:70px;background:#fff;border:2px solid #dbe9df;border-radius:12px;cursor:pointer;display:flex;flex-direction:column;justify-content:center;align-items:center;transition:.2s}.hv-letter:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:0 4px 12px rgba(25,135,84,.12)}.hv-letter.selected{background:#e9f8ef;border-color:var(--primary)}.hv-letter-main{font-size:34px;line-height:1.1;color:#155b39}.hv-letter-num{font-family:Arial,sans-serif;font-size:11px;color:#777;margin-top:4px}.hv-option{border:2px solid #d9e8de;background:#fff;padding:15px;border-radius:10px;cursor:pointer;font-family:"Noto Sans Devanagari","Mangal",sans-serif;font-size:21px;text-align:center;transition:.2s}.hv-option:hover{border-color:#198754;background:#f1fbf5}.hv-option.correct{background:#dff6e7;border-color:#198754}.hv-option.wrong{background:#ffe4e4;border-color:#dc3545}.hv-modal.show{display:flex}@media (max-width:650px){.hv-letter{min-height:62px}.hv-letter-main{font-size:29px}}