.cc-calc { width: 100%; }
.cc-input {
    width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px;
    font-size: 15px; font-family: 'Courier New', monospace; color: var(--text);
    background: var(--white); outline: none; box-sizing: border-box;
}
.cc-input:focus { border-color: var(--teal); }
.cc-calc .mort-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.cc-preview-wrap { display: flex; align-items: center; justify-content: center; height: 100%; min-height: 200px; }
.cc-swatch {
    width: 100%; height: 200px; border-radius: var(--radius); border: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(0,0,0,0.08); transition: background-color 0.15s;
}
.cc-error-msg { font-size: 13px; color: #dc2626; margin: 8px 0 0; }
@media (max-width: 768px) {
    .cc-calc .mort-layout { grid-template-columns: 1fr; }
    .cc-preview-wrap { min-height: 120px; }
    .cc-swatch { height: 120px; }
}