.round-calc { width: 100%; }
.round-input { width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 15px; font-family: var(--font-main); color: var(--text); background: var(--white); outline: none; box-sizing: border-box; }
.round-input:focus { border-color: var(--teal); }
.round-radio-group { display: flex; flex-wrap: wrap; gap: 16px; padding: 10px 0; }
.round-radio-label { display: flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 500; color: var(--text); cursor: pointer; }
.round-radio-label input[type="radio"] { width: 16px; height: 16px; accent-color: var(--teal); cursor: pointer; }
.round-calc .mort-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.round-results { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; width: 100%; }
.round-result-header { background: #1d4ed8; color: #fff; font-size: 15px; font-weight: 700; padding: 10px 16px; }
.round-big-output { text-align: center; font-size: 32px; font-weight: 800; color: var(--navy); padding: 30px 16px; }
@media (max-width: 768px) { .round-calc .mort-layout { grid-template-columns: 1fr; } }