.glass-calculator{max-width:600px;margin:2rem auto;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif}.calculator-container{background:#fff;border-radius:12px;box-shadow:0 4px 6px -1px rgb(0 0 0 / .1),0 2px 4px -1px rgb(0 0 0 / .06);padding:2rem}.calculator-title{font-size:1.875rem;font-weight:700;color:#1a1a1a;text-align:center;margin-bottom:2rem}.calculator-section{margin-bottom:1.5rem}.section-label{display:block;font-size:.875rem;font-weight:600;color:#4a5568;margin-bottom:.5rem}.units-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem;margin-bottom:1rem}.shapes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:1rem}.shapes-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.unit-btn,.shape-btn{padding:.75rem;border-radius:8px;border:1px solid #e2e8f0;background:#f7fafc;cursor:pointer;transition:all 0.2s;text-align:center}.unit-btn:hover,.shape-btn:hover{background:#edf2f7}.unit-btn.active,.shape-btn.active{background:#ebf5ff;border:2px solid #3182ce}.shape-btn{display:flex;flex-direction:column;align-items:center;padding:1rem}.shape-btn .dashicons{font-size:1.5rem;width:1.5rem;height:1.5rem;margin-bottom:.25rem}.shape-name{font-size:.875rem}input[type="number"]{width:100%;padding:.75rem;border:1px solid #e2e8f0;border-radius:8px;margin-bottom:.5rem}.calculate-btn{width:100%;background:#3182ce;color:#fff;padding:.875rem;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:background-color 0.2s}.calculate-btn:hover{background:#2c5282}.results{margin-top:1.5rem;padding:1rem;background:#f7fafc;border-radius:8px}.results h3{font-size:1.25rem;font-weight:600;color:#2d3748;margin-bottom:.5rem}.weight-result{color:#4a5568}.calculator-note{margin-top:1.5rem;font-size:.75rem;color:#718096;text-align:center}