.embed-body {
    margin: 0;
    background: #f8fafc;
    color: #17202c;
}

.embed-shell {
    max-width: 820px;
    margin: 0 auto;
    padding: 14px;
}

.embed-footer {
    margin-bottom: 14px;
}

.embed-hero {
    margin: 0 0 12px;
}

.embed-hero h1 {
    margin: 0 0 6px;
    font-size: clamp(1.35rem, 4vw, 2rem);
    line-height: 1.12;
}

.embed-hero p {
    max-width: 68ch;
    margin: 0;
    color: #526179;
}

.embed-body .calculator-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    margin: 0;
}

.embed-body .calculator-card,
.embed-body .result-card {
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
}

.embed-body .content-grid {
    display: block;
    margin-top: 14px;
}

.embed-body .main-column,
.embed-body .side-panel {
    width: 100%;
}

.embed-method,
.embed-result-table {
    margin-top: 14px;
    padding: 14px;
    border: 1px solid #d7e3ed;
    border-radius: 8px;
    background: #ffffff;
}

.embed-method h2 {
    margin-top: 0;
    font-size: 1rem;
}

.embed-footer {
    display: block;
    margin: 16px 0 0;
    padding-top: 12px;
    border-top: 1px solid #d7e3ed;
    color: #526179;
    font-size: 0.9rem;
}

.embed-footer p {
    margin: 0;
}

@media (min-width: 760px) {
    .embed-body .calculator-layout {
        grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
        align-items: start;
    }
}

@media (max-width: 520px) {
    .embed-shell {
        padding: 10px;
    }
}