.tool-header[data-astro-cid-4h2c6znk]{margin-bottom:2rem}.controls-card[data-astro-cid-4h2c6znk]{border:1px solid var(--color-border);border-radius:12px;padding:1.5rem;background:var(--color-bg);margin-bottom:1.5rem}.input-grid[data-astro-cid-4h2c6znk]{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-bottom:1.5rem}@media(max-width:900px){.input-grid[data-astro-cid-4h2c6znk].four-cols{grid-template-columns:repeat(2,1fr)}}@media(max-width:500px){.input-grid[data-astro-cid-4h2c6znk].four-cols{grid-template-columns:1fr}}.input-group[data-astro-cid-4h2c6znk]{display:flex;flex-direction:column;gap:.5rem}.input-group[data-astro-cid-4h2c6znk] label[data-astro-cid-4h2c6znk]{font-weight:500;font-size:.9rem;color:var(--color-text)}.text-input[data-astro-cid-4h2c6znk]{padding:.75rem;border:1px solid var(--color-border);border-radius:8px;background:var(--color-bg);color:var(--color-text);font-size:1rem;width:100%}.unit-select[data-astro-cid-4h2c6znk]{padding:.5rem;border:1px solid var(--color-border);border-radius:6px;background:var(--color-bg);color:var(--color-text);font-size:.85rem}.button-group[data-astro-cid-4h2c6znk]{display:flex;gap:.75rem;flex-wrap:wrap}.btn-primary[data-astro-cid-4h2c6znk]{padding:.75rem 1.5rem;border:none;border-radius:8px;background:var(--color-primary);color:#fff;font-size:1rem;font-weight:500;cursor:pointer;transition:opacity .2s ease}.btn-primary[data-astro-cid-4h2c6znk]:hover{opacity:.9}.btn-secondary[data-astro-cid-4h2c6znk]{padding:.75rem 1.5rem;border:1px solid var(--color-border);border-radius:8px;background:var(--color-bg);color:var(--color-text);font-size:1rem;cursor:pointer;transition:background .2s ease}.btn-secondary[data-astro-cid-4h2c6znk]:hover{background:var(--color-border)}.error-card[data-astro-cid-4h2c6znk]{border:1px solid #ff6b6b;border-radius:8px;padding:1rem;background:#ff6b6b10;color:#ff6b6b;margin-bottom:1.5rem}.results-card[data-astro-cid-4h2c6znk]{border:1px solid var(--color-border);border-radius:12px;padding:1.5rem;background:var(--color-bg);margin-bottom:1.5rem}.results-title[data-astro-cid-4h2c6znk]{font-size:1.2rem;margin-bottom:1rem;color:var(--color-text)}.results-grid[data-astro-cid-4h2c6znk]{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-bottom:1.5rem}@media(max-width:900px){.results-grid[data-astro-cid-4h2c6znk]{grid-template-columns:repeat(2,1fr)}}@media(max-width:500px){.results-grid[data-astro-cid-4h2c6znk]{grid-template-columns:1fr}}.result-item[data-astro-cid-4h2c6znk]{display:flex;flex-direction:column;align-items:center;padding:1rem;border:1px solid var(--color-border);border-radius:10px;background:var(--color-bg);gap:.5rem}.result-item[data-astro-cid-4h2c6znk].highlight{border-color:var(--color-primary);background:var(--color-primary)10}.result-label[data-astro-cid-4h2c6znk]{font-size:.85rem;color:var(--color-secondary)}.result-value[data-astro-cid-4h2c6znk]{font-size:1.4rem;font-weight:600;color:var(--color-text);word-break:break-all}.formulas-section[data-astro-cid-4h2c6znk] h3[data-astro-cid-4h2c6znk]{font-size:1rem;margin-bottom:.75rem;color:var(--color-text)}.formula-list[data-astro-cid-4h2c6znk]{display:flex;flex-wrap:wrap;gap:.5rem}.formula-tag[data-astro-cid-4h2c6znk]{display:inline-block;padding:.35rem .75rem;border-radius:6px;background:var(--color-primary)15;color:var(--color-primary);font-family:monospace;font-size:.9rem}.info-section[data-astro-cid-4h2c6znk]{margin-bottom:2rem}.info-section[data-astro-cid-4h2c6znk] h2[data-astro-cid-4h2c6znk]{font-size:1.3rem;margin-bottom:1rem;color:var(--color-text)}.info-section[data-astro-cid-4h2c6znk] p[data-astro-cid-4h2c6znk]{line-height:1.7;color:var(--color-secondary)}.feature-list[data-astro-cid-4h2c6znk]{list-style:none;padding:0;margin:0}.feature-list[data-astro-cid-4h2c6znk] li[data-astro-cid-4h2c6znk]{padding:.5rem 0 .5rem 1.5rem;position:relative;color:var(--color-secondary);line-height:1.6}.feature-list[data-astro-cid-4h2c6znk] li[data-astro-cid-4h2c6znk]:before{content:"✓";position:absolute;left:0;color:var(--color-primary);font-weight:700}@media(max-width:600px){.button-group[data-astro-cid-4h2c6znk]{justify-content:center}.result-value[data-astro-cid-4h2c6znk]{font-size:1.1rem}}