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10px}.hub-guides-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}.hub-guides-list a{font-weight:600;color:var(--brand);text-decoration:none}.hub-guides-list a:hover{text-decoration:underline}.hub-guides-list a:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:2px}.hub-guides-desc{display:block;font-size:13px;color:var(--color-text-muted);line-height:1.5;margin-top:2px;max-width:560px}.not-found{max-width:480px;margin:64px auto;text-align:center;padding:0 20px}.not-found-code{font-size:72px;font-weight:900;color:var(--brand-pale);line-height:1;margin-bottom:16px}.not-found-title{font-size:22px;font-weight:700;color:var(--navy);margin-bottom:8px}.not-found-desc{color:var(--color-text-muted);margin-bottom:24px}.calc-actions{display:flex;gap:10px;align-items:center;padding-top:16px;border-top:1px solid var(--color-border);flex-wrap:wrap}@media print{.site-header,.site-footer,.no-print,.add-section-btn,.section-actions,.list-add-btns,.result-actions,.calc-actions,.hamburger-btn,.mobile-menu{display:none!important}.page-wrapper{min-height:auto}.calc-layout{grid-template-columns:1fr!important;display:block}.calc-result-panel{position:static!important}.result-card{box-shadow:none;border:1px solid #ccc;break-inside:avoid}.result-card-header{background:transparent;border-bottom:1px solid #ccc}.result-alt-volumes{background:transparent;border:1px solid #eee}body{font-size:12px}}.page-intro{color:var(--color-text-muted);max-width:640px;margin:8px 0 24px}.breadcrumbs{display:flex;gap:8px;font-size:13px;color:var(--color-text-subtle);margin-bottom:16px;flex-wrap:wrap}.breadcrumbs a{color:var(--color-text-muted)}.breadcrumbs [aria-current=page]{color:var(--color-text);font-weight:600}.mode-selector{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:24px}@media(max-width:639px){.mode-selector{grid-template-columns:1fr}}.mode-tab{text-align:left;padding:12px 14px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);display:flex;flex-direction:column;gap:2px}.mode-tab:hover{border-color:var(--brand-border);background:var(--brand-light)}.mode-tab:focus-visible{outline:2px solid var(--brand);outline-offset:2px}.mode-tab--active{border-color:var(--brand);background:var(--brand-light);box-shadow:inset 0 0 0 1px var(--brand)}.mode-tab-label{font-weight:700;font-size:14px;color:var(--navy)}.mode-tab--active .mode-tab-label{color:var(--brand)}.mode-tab-desc{font-size:12px;color:var(--color-text-muted)}.mode-intro{color:var(--color-text-muted);font-size:14px;margin-bottom:16px;max-width:620px}.input-model-toggle{display:inline-flex;border:1px solid var(--color-border);border-radius:var(--radius-sm);overflow:hidden;margin-bottom:20px}.toggle-opt{padding:8px 14px;font-size:13px;font-weight:600;color:var(--color-text-muted);cursor:pointer;background:var(--color-surface);display:flex;align-items:center;gap:6px}.toggle-opt+.toggle-opt{border-left:1px solid var(--color-border)}.toggle-opt--active{background:var(--brand);color:#fff}.toggle-opt input{position:absolute;opacity:0;pointer-events:none}.toggle-opt:has(input:focus-visible){outline:2px solid var(--brand);outline-offset:-2px}.row-editor{display:flex;flex-direction:column;gap:10px;margin-bottom:14px}.grade-row{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr) minmax(0,1fr) 36px;gap:10px;align-items:end}@media(max-width:559px){.grade-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.grade-row .field:first-child{grid-column:1 / -1}.grade-row .row-remove{grid-column:2;justify-self:end}}.field{display:flex;flex-direction:column;gap:4px;min-width:0}.field input{border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);padding:8px 10px;font-size:14px;width:100%;min-width:0}.field input:focus-visible{outline:2px solid var(--brand);outline-offset:0;border-color:var(--brand)}.field--stack{max-width:360px}.field-hint{font-size:12px;color:var(--color-text-subtle)}.final-fields{display:flex;flex-direction:column;gap:16px;margin-bottom:20px}.row-remove{height:36px;width:36px;border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text-muted);font-size:18px;line-height:1;background:var(--color-surface)}.row-remove:hover:not(:disabled){color:var(--color-error);border-color:var(--color-error);background:var(--color-error-bg)}.row-remove:disabled{opacity:.4;cursor:not-allowed}.row-actions{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}.btn--secondary{border:1px solid var(--brand);color:var(--brand);padding:8px 16px;border-radius:var(--radius-sm);font-weight:600;font-size:14px;background:var(--color-surface)}.btn--secondary:hover{background:var(--brand-light)}.callout{border-radius:var(--radius-md);padding:12px 14px;font-size:14px;margin-bottom:16px}.callout--error{background:var(--color-error-bg);border:1px solid var(--color-error);color:#7f1d1d}.callout--info{background:var(--brand-light);border:1px solid var(--brand-pale);color:var(--brand-text)}.result-panel{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:20px;margin:20px 0;box-shadow:var(--shadow-sm)}.result-heading{font-size:16px;margin-bottom:12px}.result-empty-copy{color:var(--color-text-muted);font-size:14px}.result-primary,.result-secondary{display:flex;flex-direction:column;gap:2px;margin-bottom:12px}.result-label{font-size:13px;font-weight:600;color:var(--color-text-muted)}.result-value{font-size:32px;font-weight:800;color:var(--brand);line-height:1.2;overflow-wrap:anywhere}.result-value--secondary{font-size:22px;color:var(--navy)}.result-status{font-size:14px;color:var(--color-text);margin-bottom:10px}.result-detail{font-size:13px;color:var(--color-text-muted)}.contrib-table{width:100%;border-collapse:collapse;font-size:13px;margin-top:12px}.contrib-table th,.contrib-table td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--color-border);overflow-wrap:anywhere}.contrib-table th{font-weight:600;color:var(--color-text-muted)}.formula-panel{margin:0 0 24px}.formula-summary{cursor:pointer;font-size:14px;font-weight:600;color:var(--brand)}.formula-code{display:block;margin-top:10px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:12px;font-size:13px;overflow-wrap:anywhere}.seo-copy{max-width:680px;margin:32px 0}.seo-copy h2{font-size:18px;margin:20px 0 8px}.seo-copy p{color:var(--color-text-muted);font-size:14px}.hub-card-cta{margin-top:12px;font-size:13px;font-weight:600;color:var(--brand);display:block}