.conv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .conv-row { display: flex; flex-direction: column; gap: 4px; }
    .conv-row label { font-size: 12px; color: #9ca3af; }
    .conv-input-wrap { display: flex; align-items: center; gap: 0; }
    .conv-input-wrap input { flex: 1; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); border-right: none; border-radius: 8px 0 0 8px; color: #e0e0e0; font-size: 15px; padding: 10px 12px; outline: none; }
    .conv-input-wrap input:focus { border-color: rgba(0,245,255,0.5); }
    .conv-unit-tag { background: rgba(0,245,255,0.1); border: 1px solid rgba(0,245,255,0.25); border-radius: 0 8px 8px 0; padding: 10px 10px; font-size: 12px; color: #00f5ff; white-space: nowrap; }
    @media (max-width: 500px) { .conv-grid { grid-template-columns: 1fr; } }