.calc-formbody--graphing {
    --graphing-card-bg: var(--calc-card-bg, var(--bs-body-bg, #fff));
    --graphing-muted-bg: var(--calc-muted-bg, var(--bs-tertiary-bg, #f6f7f8));
    --graphing-border: var(--calc-card-border, var(--bs-border-color, #dadbdd));
    --graphing-text: var(--bs-body-color, #212529);
    --graphing-muted-text: var(--calc-muted-text, var(--bs-secondary-color, #6c757d));
    --graphing-accent: var(--bs-primary, #0d6efd);
}

.calc-formbody--graphing .graphing-calculator-form {
    display: grid;
    gap: 1rem;
}

.calc-formbody--graphing .graphing-field,
.calc-formbody--graphing .graphing-panel {
    background: var(--graphing-card-bg);
    border: 1px solid var(--graphing-border);
    border-radius: 0.75rem;
    padding: 1rem;
}

.calc-formbody--graphing .graphing-field-label {
    display: block;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.calc-formbody--graphing .graphing-input-row {
    display: flex;
    gap: 0.75rem;
    align-items: stretch;
}

.calc-formbody--graphing .graphing-equation-input {
    flex: 1 1 16rem;
    min-width: 0;
    border: 1px solid var(--graphing-border);
    border-radius: 0.5rem;
    background: var(--bs-body-bg, #fff);
    color: var(--graphing-text);
    padding: 0.65rem 0.75rem;
}

.calc-formbody--graphing .graphing-add-button {
    border: 1px solid var(--graphing-accent);
    border-radius: 0.5rem;
    background: var(--graphing-accent);
    color: var(--bs-btn-color, #fff);
    font-weight: 700;
    padding: 0.65rem 1rem;
}

.calc-formbody--graphing .graphing-help {
    color: var(--graphing-muted-text);
    margin: 0.75rem 0 0;
}

.calc-formbody--graphing .graphing-message {
    min-height: 1.5rem;
    color: var(--graphing-muted-text);
}

.calc-formbody--graphing .graphing-message.is-error {
    color: var(--calc-negative, var(--bs-danger, #dc3545));
}

.calc-formbody--graphing .graphing-layout {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(14rem, 1fr);
    gap: 1rem;
    align-items: start;
}

.calc-formbody--graphing .graphing-panel h3 {
    margin-top: 0;
}

.calc-formbody--graphing .graphing-plot {
    width: 100%;
    min-height: 24rem;
    background: var(--graphing-muted-bg);
    border: 1px solid var(--graphing-border);
    border-radius: 0.65rem;
    overflow: hidden;
}

.calc-formbody--graphing .graphing-plot svg {
    display: block;
    max-width: 100%;
}

.calc-formbody--graphing .graphing-equation-list {
    display: grid;
    gap: 0.65rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.calc-formbody--graphing .graphing-equation-empty {
    color: var(--graphing-muted-text);
}

.calc-formbody--graphing .graphing-equation-row {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    gap: 0.5rem;
    align-items: center;
    border: 1px solid var(--graphing-border);
    border-radius: 0.5rem;
    padding: 0.55rem;
}

.calc-formbody--graphing .graphing-color {
    width: 0.9rem;
    height: 0.9rem;
    border-radius: 999rem;
    box-shadow: 0 0 0 1px var(--graphing-border);
}

.calc-formbody--graphing .graphing-expression {
    min-width: 0;
    overflow-wrap: anywhere;
}

.calc-formbody--graphing .graphing-toggle {
    display: inline-flex;
    gap: 0.35rem;
    align-items: center;
    color: var(--graphing-muted-text);
    white-space: nowrap;
}

.calc-formbody--graphing .graphing-delete {
    border: 1px solid var(--graphing-border);
    border-radius: 0.4rem;
    background: var(--graphing-card-bg);
    color: var(--graphing-text);
    padding: 0.35rem 0.55rem;
}

@media (max-width: 48rem) {
    .calc-formbody--graphing .graphing-layout {
        grid-template-columns: 1fr;
    }

    .calc-formbody--graphing .graphing-input-row {
        flex-direction: column;
    }

    .calc-formbody--graphing .graphing-plot {
        min-height: 20rem;
    }
}