.sde-tool-calculator {
    --sde-tool-accent: var(--sde-accent, #155e4b);
    --sde-tool-ink: var(--sde-ink, #17392f);
    --sde-tool-surface: var(--sde-surface, #fff);
    --sde-tool-soft: var(--sde-soft, #f3f7f4);
    --sde-tool-border: var(--sde-border, #cedbd3);
    --sde-tool-muted: #4b6158;
    color: var(--sde-tool-ink);
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.6;
    max-width: 100%;
    margin-block: 2rem;
}
.sde-tool-calculator *, .sde-tool-calculator *::before, .sde-tool-calculator *::after { box-sizing: border-box; }
.sde-tool-calculator [hidden] { display: none !important; }
.sde-tool-calculator h2, .sde-tool-calculator h3 { color: inherit; line-height: 1.2; margin-block: .5rem 1rem; }
.sde-tool-calculator h2 { font-size: clamp(1.75rem, 4vw, 2.4rem); }
.sde-tool-calculator h3 { font-size: clamp(1.4rem, 3vw, 1.8rem); }
.sde-tool-calculator p { margin-block: .5rem 1rem; }
.sde-tool-eyebrow { font-size: .8rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; color: var(--sde-tool-accent); }
.sde-tool-heading { max-width: 46rem; }
.sde-tool-notice { padding: 1rem 1.2rem; background: var(--sde-tool-soft); border-left: 3px solid var(--sde-tool-accent); border-radius: 0 .65rem .65rem 0; }
.sde-tool-fieldset { padding: clamp(1rem, 3vw, 1.75rem); margin: 1.5rem 0; border: 1px solid var(--sde-tool-border); border-radius: .8rem; min-width: 0; background: var(--sde-tool-surface); }
.sde-tool-fieldset legend { float: none; width: auto; padding: 0 .5rem; font-size: 1.1rem; font-weight: 750; }
.sde-tool-field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.sde-tool-field { display: flex; flex-direction: column; align-items: stretch; min-width: 0; }
.sde-tool-field label { font-weight: 650; margin-bottom: .4rem; }
.sde-tool-field input, .sde-tool-field select {
    appearance: auto;
    width: 100%;
    max-width: 100%;
    min-height: 3rem;
    border: 1px solid #8fa79a;
    border-radius: .45rem;
    background: var(--sde-tool-surface);
    padding: .7rem .8rem;
    color: var(--sde-tool-ink);
    font: inherit;
    line-height: 1.4;
    box-shadow: none;
}
.sde-tool-field input:disabled { color: #59655f; background: #eef1ef; cursor: not-allowed; }
.sde-tool-calculator :focus-visible { outline: 3px solid var(--sde-tool-accent); outline-offset: 3px; }
.sde-tool-field [aria-invalid="true"] { border-color: #a12a25; }
.sde-tool-hint { display: block; font-size: .875rem; line-height: 1.5; color: var(--sde-tool-muted); margin-top: .4rem; }
.sde-tool-field-error { color: #942720; font-size: .9rem; font-weight: 650; margin-top: .3rem; }
.sde-tool-field-error:empty { display: none; }
.sde-tool-inline-note { font-size: .925rem; color: var(--sde-tool-muted); }
.sde-tool-fieldset > .sde-tool-inline-note { margin-bottom: 0; margin-top: 1.2rem; }
.sde-tool-comparison-toggle { margin-block: 1.5rem; }
.sde-tool-comparison-toggle label { display: flex; gap: .65rem; align-items: center; cursor: pointer; font-weight: 650; min-height: 2.75rem; }
.sde-tool-comparison-toggle input { flex: 0 0 auto; width: 1.3rem; height: 1.3rem; margin: 0; accent-color: var(--sde-tool-accent); }
.sde-tool-comparison-toggle .sde-tool-hint { margin-left: 1.95rem; }
.sde-tool-actions { display: flex; align-items: center; gap: 1.3rem; margin-top: 1.5rem; }
.sde-tool-actions .sde-tool-hint { max-width: 26rem; margin: 0; }
.sde-tool-calculator .sde-tool-button {
    appearance: none;
    border: 2px solid var(--sde-tool-accent);
    border-radius: .5rem;
    padding: .85rem 1.4rem;
    background: var(--sde-tool-accent);
    color: #fff;
    font: inherit;
    font-weight: 700;
    line-height: 1.4;
    min-height: 3rem;
    cursor: pointer;
    text-decoration: none;
    white-space: normal;
}
.sde-tool-calculator .sde-tool-button:hover { filter: brightness(.88); }
.sde-tool-calculator .sde-tool-button:disabled { opacity: .65; cursor: wait; }
.sde-tool-status { font-size: .875rem; color: var(--sde-tool-muted); }
.sde-tool-error-summary { padding: 1rem 1.2rem; border: 2px solid #a12a25; border-radius: .5rem; background: #fff8f6; }
.sde-tool-error-summary a { color: #84221d; text-decoration: underline; }
.sde-tool-error-summary p { font-weight: 700; }
.sde-tool-error-summary ul { padding-left: 1.3rem; margin-block: .5rem; }
.sde-tool-results { margin-top: 2rem; padding: clamp(1rem, 3vw, 1.75rem); background: var(--sde-tool-soft); border: 1px solid var(--sde-tool-border); border-radius: .8rem; }
.sde-tool-metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .85rem; margin: 1.5rem 0; }
.sde-tool-metrics > div { padding: 1rem; background: var(--sde-tool-surface); border: 1px solid var(--sde-tool-border); border-radius: .5rem; }
.sde-tool-metrics dt { font-size: .875rem; color: var(--sde-tool-muted); }
.sde-tool-metrics dd { margin: .35rem 0 0; font-size: clamp(1.2rem, 2.5vw, 1.7rem); font-weight: 750; line-height: 1.25; overflow-wrap: anywhere; }
.sde-tool-table-wrap { max-width: 100%; overflow-x: auto; }
.sde-tool-table { width: 100%; border-collapse: collapse; margin: 1.25rem 0; font-size: .925rem; }
.sde-tool-table caption { text-align: left; font-weight: 700; margin-bottom: .6rem; }
.sde-tool-table th, .sde-tool-table td { border: 0; border-bottom: 1px solid var(--sde-tool-border); padding: .7rem .5rem; text-align: right; white-space: nowrap; }
.sde-tool-table th:first-child { text-align: left; white-space: normal; }
.sde-tool-table tbody th { font-weight: 500; }
.sde-tool-table .sde-tool-table-total th, .sde-tool-table .sde-tool-table-total td { border-top: 2px solid var(--sde-tool-border); font-weight: 750; }
.sde-tool-comparison-result { padding: 1rem; background: var(--sde-tool-surface); border-left: 3px solid var(--sde-tool-accent); }
.sde-tool-method { margin-top: 1.5rem; border-block: 1px solid var(--sde-tool-border); }
.sde-tool-method summary { padding: 1rem .25rem; cursor: pointer; font-weight: 700; }
.sde-tool-method > div { padding: 0 .25rem .5rem; max-width: 50rem; }
@media (max-width: 600px) {
    .sde-tool-field-grid { grid-template-columns: 1fr; gap: 1.2rem; }
    .sde-tool-actions { flex-direction: column; align-items: stretch; gap: .75rem; }
    .sde-tool-metrics { grid-template-columns: 1fr; }
    .sde-tool-fieldset legend { font-size: 1rem; }
}