.tool-header[data-astro-cid-j6lppnoq]{text-align:center;margin-bottom:1.5rem}.tool-header[data-astro-cid-j6lppnoq] h1[data-astro-cid-j6lppnoq]{font-size:2rem;margin-bottom:.5rem}.ruler-container[data-astro-cid-j6lppnoq]{width:100%;overflow-x:auto;margin-bottom:1.5rem;border-radius:.75rem;background:var(--color-surface, #f8f9fa);border:2px solid var(--color-border, #e0e0e0)}.ruler-canvas[data-astro-cid-j6lppnoq]{display:block;width:100%;min-width:600px;height:180px}.controls[data-astro-cid-j6lppnoq]{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;margin-bottom:2rem}.control-group[data-astro-cid-j6lppnoq]{background:var(--color-surface, #f8f9fa);padding:1rem;border-radius:.75rem;border:1px solid var(--color-border, #e0e0e0)}.control-label[data-astro-cid-j6lppnoq]{display:block;font-weight:600;margin-bottom:.75rem;font-size:.9rem}.unit-toggle[data-astro-cid-j6lppnoq]{display:flex;gap:.5rem}.unit-btn[data-astro-cid-j6lppnoq]{flex:1;padding:.6rem;border:2px solid var(--color-border, #e0e0e0);border-radius:.5rem;background:#fff;cursor:pointer;font-weight:600;transition:all .2s}.unit-btn[data-astro-cid-j6lppnoq].active{background:var(--color-primary, #4a90d9);color:#fff;border-color:var(--color-primary, #4a90d9)}.slider[data-astro-cid-j6lppnoq]{width:100%;margin-bottom:.5rem}.dpi-presets[data-astro-cid-j6lppnoq]{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.5rem}.dpi-preset[data-astro-cid-j6lppnoq]{padding:.3rem .6rem;border:1px solid var(--color-border, #e0e0e0);border-radius:.3rem;background:#fff;cursor:pointer;font-size:.8rem;transition:all .2s}.dpi-preset[data-astro-cid-j6lppnoq]:hover{background:var(--color-primary, #4a90d9);color:#fff}.calibrate-group[data-astro-cid-j6lppnoq]{grid-column:1 / -1}.calibrate-hint[data-astro-cid-j6lppnoq]{font-size:.85rem;color:var(--color-text-muted, #666);margin-bottom:.75rem}.calibrate-buttons[data-astro-cid-j6lppnoq]{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}.calibrate-btn[data-astro-cid-j6lppnoq]{padding:.5rem .8rem;border:1px solid var(--color-border, #e0e0e0);border-radius:.5rem;background:#fff;cursor:pointer;font-size:.85rem;transition:all .2s}.calibrate-btn[data-astro-cid-j6lppnoq]:hover{background:var(--color-primary, #4a90d9);color:#fff}.custom-calibrate[data-astro-cid-j6lppnoq]{display:flex;gap:.5rem;margin-bottom:.75rem}.custom-input[data-astro-cid-j6lppnoq]{flex:1;padding:.5rem;border:1px solid var(--color-border, #e0e0e0);border-radius:.5rem;font-size:.9rem}.btn-primary[data-astro-cid-j6lppnoq]{padding:.5rem 1rem;background:var(--color-primary, #4a90d9);color:#fff;border:none;border-radius:.5rem;cursor:pointer;font-weight:600;transition:all .2s}.btn-primary[data-astro-cid-j6lppnoq]:hover{opacity:.9;transform:translateY(-1px)}.btn-secondary[data-astro-cid-j6lppnoq]{padding:.4rem .8rem;background:transparent;color:var(--color-text-muted, #666);border:1px solid var(--color-border, #e0e0e0);border-radius:.5rem;cursor:pointer;font-size:.85rem}.btn-secondary[data-astro-cid-j6lppnoq]:hover{background:var(--color-surface, #f8f9fa)}.tool-about[data-astro-cid-j6lppnoq],.tool-features[data-astro-cid-j6lppnoq],.tool-faq[data-astro-cid-j6lppnoq]{margin-bottom:2rem}.tool-features[data-astro-cid-j6lppnoq] ul[data-astro-cid-j6lppnoq]{list-style:disc;padding-left:1.5rem}.tool-features[data-astro-cid-j6lppnoq] li[data-astro-cid-j6lppnoq]{margin-bottom:.5rem}.tool-faq[data-astro-cid-j6lppnoq] details[data-astro-cid-j6lppnoq]{margin-bottom:.75rem;border:1px solid var(--color-border, #e0e0e0);border-radius:.5rem;padding:.75rem 1rem}.tool-faq[data-astro-cid-j6lppnoq] summary[data-astro-cid-j6lppnoq]{font-weight:600;cursor:pointer}.tool-faq[data-astro-cid-j6lppnoq] summary[data-astro-cid-j6lppnoq]:hover{color:var(--color-primary, #4a90d9)}.related-tools[data-astro-cid-j6lppnoq]{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--color-border, #e0e0e0)}.related-grid[data-astro-cid-j6lppnoq]{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:.75rem;margin-top:.75rem}.related-tool[data-astro-cid-j6lppnoq]{display:block;padding:.6rem;background:var(--color-surface, #f8f9fa);border-radius:.5rem;text-align:center;text-decoration:none;color:inherit;font-size:.9rem;transition:all .2s}.related-tool[data-astro-cid-j6lppnoq]:hover{background:var(--color-primary, #4a90d9);color:#fff}@media(max-width:640px){.controls[data-astro-cid-j6lppnoq]{grid-template-columns:1fr}.calibrate-group[data-astro-cid-j6lppnoq]{grid-column:1}.ruler-canvas[data-astro-cid-j6lppnoq]{min-width:400px}}