.cwsc-calculator {
    box-sizing: border-box;
    width: 100%;
    max-width: 700px;
    margin: 20px auto;
    padding: 26px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.cwsc-calculator *,
.cwsc-calculator *::before,
.cwsc-calculator *::after {
    box-sizing: border-box;
}

.cwsc-calculator label {
    display: block;
    margin: 0 0 18px;
    font-weight: 600;
}

.cwsc-calculator label > span {
    display: block;
    margin-bottom: 7px;
}

.cwsc-calculator select,
.cwsc-calculator input[type="number"] {
    width: 100%;
    min-height: 46px;
    margin: 0;
    padding: 9px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    background: #fff;
    font: inherit;
}

.cwsc-button {
    width: 100%;
    min-height: 48px;
    padding: 11px 18px;
    border: 0;
    border-radius: 6px;
    cursor: pointer;
    background: #1d4ed8;
    color: #fff;
    font: inherit;
    font-weight: 700;
}

.cwsc-button:hover,
.cwsc-button:focus {
    filter: brightness(0.92);
}

.cwsc-results {
    margin-top: 28px;
}

.cwsc-results h2 {
    margin-top: 28px;
    font-size: 1.35em;
}

.cwsc-additional-content {
    margin-top: 26px;
    font-size: 0.95em;
}

.cwsc-additional-content hr {
    margin: 24px 0;
}

@media (max-width: 600px) {
    .cwsc-calculator {
        padding: 18px;
    }
}