.ski-container {
    display: flex;
    gap: 20px;
    font-family: sans-serif;
    color: #333;
    max-width: 900px;
    margin: 20px auto;
}
.ski-card {
    background: #fff;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
.main-calc { flex: 2; }
.ski-sidebar { flex: 1; display: flex; flex-direction: column; gap: 20px; }
.ski-row { display: flex; gap: 20px; margin-bottom: 20px; }
.ski-input-group { flex: 1; }
.input-with-unit { display: flex; border: 1px solid #ddd; border-radius: 6px; overflow: hidden; }
.input-with-unit input { border: none; padding: 10px; width: 100%; }
.input-with-unit select { border: none; background: #f8f8f8; border-left: 1px solid #ddd; padding: 5px; }
.section-label { font-weight: bold; display: block; margin-bottom: 10px; }
.radio-item { display: block; margin-bottom: 8px; cursor: pointer; }
#ski-result-val { font-size: 2rem; font-weight: bold; margin-top: 10px; }
@media (max-width: 600px) { .ski-container { flex-direction: column; } }