.element-page[data-astro-cid-sdu52bkg]{padding-top:2rem}.element-header[data-astro-cid-sdu52bkg]{display:flex;gap:3rem;align-items:center;margin-bottom:4rem}.element-big-card[data-astro-cid-sdu52bkg]{width:200px;height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:20px;position:relative;border:2px solid var(--accent-color);background:#fff}.element-big-card[data-astro-cid-sdu52bkg] .number[data-astro-cid-sdu52bkg]{position:absolute;top:15px;left:20px;font-size:1.5rem;font-weight:700}.element-big-card[data-astro-cid-sdu52bkg] .symbol[data-astro-cid-sdu52bkg]{font-size:5rem;font-weight:800}.element-big-card[data-astro-cid-sdu52bkg] .mass[data-astro-cid-sdu52bkg]{font-size:1rem;color:var(--text-secondary)}.element-titles[data-astro-cid-sdu52bkg] h1[data-astro-cid-sdu52bkg]{font-size:4rem;line-height:1;margin-bottom:.5rem}.category[data-astro-cid-sdu52bkg]{font-weight:700;letter-spacing:.1em;color:var(--accent-color);margin-bottom:1.5rem}.quick-stats[data-astro-cid-sdu52bkg]{display:flex;gap:2rem;color:var(--text-secondary)}.quick-stats[data-astro-cid-sdu52bkg] span[data-astro-cid-sdu52bkg]{color:var(--text-primary);font-weight:600}.content-grid[data-astro-cid-sdu52bkg]{display:grid;grid-template-columns:2fr 1fr;gap:2rem}.section-card[data-astro-cid-sdu52bkg]{padding:2.5rem;margin-bottom:2rem;background:#fff}.section-card[data-astro-cid-sdu52bkg] h2[data-astro-cid-sdu52bkg]{margin-bottom:1.5rem;font-size:1.75rem}.source-link[data-astro-cid-sdu52bkg]{display:inline-block;margin-top:1.5rem;color:var(--color-transition);font-size:.875rem;text-decoration:underline}.props-grid[data-astro-cid-sdu52bkg]{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}.prop-item[data-astro-cid-sdu52bkg]{display:flex;flex-direction:column;gap:.5rem}.prop-item[data-astro-cid-sdu52bkg] .label[data-astro-cid-sdu52bkg]{font-size:.875rem;color:var(--text-secondary)}.prop-item[data-astro-cid-sdu52bkg] .value[data-astro-cid-sdu52bkg]{font-size:1.25rem;font-weight:600;font-family:var(--font-mono);color:var(--text-primary)}.atomic-list[data-astro-cid-sdu52bkg]{display:flex;flex-direction:column;gap:1.5rem}.atomic-item[data-astro-cid-sdu52bkg]{display:flex;flex-direction:column;gap:.25rem}.atomic-item[data-astro-cid-sdu52bkg] code[data-astro-cid-sdu52bkg]{background:#f1f5f9;padding:.5rem;border-radius:4px;font-size:.9rem;color:var(--text-primary)}.image-card[data-astro-cid-sdu52bkg]{overflow:hidden;padding:0;background:#fff}.image-card[data-astro-cid-sdu52bkg] img[data-astro-cid-sdu52bkg]{width:100%;height:auto;display:block}.image-card[data-astro-cid-sdu52bkg] .caption[data-astro-cid-sdu52bkg]{padding:1rem;font-size:.75rem;color:var(--text-secondary);background:#f8fafc}.color-alkali[data-astro-cid-sdu52bkg]{--accent-color: var(--color-alkali);box-shadow:0 10px 40px -15px #e11d4833}.color-alkaline[data-astro-cid-sdu52bkg]{--accent-color: var(--color-alkaline);box-shadow:0 10px 40px -15px #ea580c33}.color-transition[data-astro-cid-sdu52bkg]{--accent-color: var(--color-transition);box-shadow:0 10px 40px -15px #0284c733}.color-post-transition[data-astro-cid-sdu52bkg]{--accent-color: var(--color-post-transition);box-shadow:0 10px 40px -15px #0891b233}.color-metalloid[data-astro-cid-sdu52bkg]{--accent-color: var(--color-metalloid);box-shadow:0 10px 40px -15px #7c3aed33}.color-nonmetal[data-astro-cid-sdu52bkg]{--accent-color: var(--color-nonmetal);box-shadow:0 10px 40px -15px #4f46e533}.color-noble[data-astro-cid-sdu52bkg]{--accent-color: var(--color-noble);box-shadow:0 10px 40px -15px #05966933}.color-lanthanide[data-astro-cid-sdu52bkg]{--accent-color: var(--color-lanthanide);box-shadow:0 10px 40px -15px #be185d33}.color-actinide[data-astro-cid-sdu52bkg]{--accent-color: var(--color-actinide);box-shadow:0 10px 40px -15px #b4530933}.color-unknown[data-astro-cid-sdu52bkg]{--accent-color: var(--color-unknown);box-shadow:0 10px 40px -15px #4b556333}@media(max-width:1024px){.content-grid[data-astro-cid-sdu52bkg]{grid-template-columns:1fr}}@media(max-width:768px){.element-header[data-astro-cid-sdu52bkg]{flex-direction:column;text-align:center;gap:2rem}.element-titles[data-astro-cid-sdu52bkg] h1[data-astro-cid-sdu52bkg]{font-size:3rem}.quick-stats[data-astro-cid-sdu52bkg]{justify-content:center;flex-wrap:wrap}}