.app{min-height:100vh;display:flex;flex-direction:column}.header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:2rem 1rem;text-align:center;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}.header h1{font-size:2.5rem;margin-bottom:.5rem;font-weight:700}.subtitle{font-size:1.1rem;opacity:.95;font-weight:300;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px}.keyboard-hint{margin-left:12px;font-size:13px;color:#333;background:#ffffff40;padding:4px 12px;border-radius:6px;border:1px solid rgba(255,255,255,.3);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font-weight:400;display:inline-flex;align-items:center;gap:4px;transition:all .3s ease}.keyboard-hint:hover{background:#ffffff59;transform:scale(1.05)}.tabs{display:flex;justify-content:center;gap:.5rem;padding:1.5rem 1rem;background:#fff;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;flex-wrap:wrap}.tab{padding:.75rem 1.5rem;border:2px solid #e2e8f0;background:#fff;color:#718096;font-size:1rem;font-weight:500;cursor:pointer;border-radius:8px;transition:all .3s ease;outline:none}.tab:hover{border-color:#667eea;color:#667eea;transform:translateY(-2px);box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.tab.active{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-color:#667eea;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.main-content{flex:1;max-width:1200px;width:100%;margin:2rem auto;padding:0 1rem}.footer{background:#2d3748;color:#fff;text-align:center;padding:1.5rem 1rem;margin-top:auto}.footer p{margin:0;opacity:.9}@media (max-width: 768px){.header h1{font-size:1.8rem}.subtitle{font-size:16px;color:#666;margin-top:10px;text-align:center;line-height:1.8}.disclaimer{font-size:14px;color:#888;margin:5px 0;display:block}.keyboard-hint{font-size:14px;color:#999;display:block;margin-top:5px}.tabs{gap:.3rem;padding:1rem .5rem}.tab{padding:.5rem 1rem;font-size:.9rem}.main-content{margin:1rem auto}}.calculator{animation:fadeIn .3s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.input-label{margin-bottom:8px;font-weight:500;color:#000000e0}.result-card{background:linear-gradient(135deg,#667eea08,#764ba208);border:1px solid #f0f0f0}.result-card .ant-card-head{background:#667eea0d}.position-card-wrapper{display:flex;flex-direction:column;align-items:center;padding:20px 16px;background:#fff;border-radius:12px;gap:12px}.position-icon-large{width:70px;height:70px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;box-shadow:0 4px 12px #667eea4d;margin-bottom:8px;line-height:1.2}.position-section{display:flex;flex-direction:column;align-items:center;gap:8px;width:100%}.section-label{font-size:13px;color:#666;font-weight:500}.max-star-text{color:#52c41a;font-weight:700;font-size:13px;text-align:center;height:24px;display:flex;align-items:center;justify-content:center}.position-materials{width:100%;background:#f5f7fa;border-radius:8px;padding:12px;display:flex;flex-direction:column;gap:8px;margin-top:8px}.material-item-compact{display:flex;justify-content:space-between;align-items:center}.material-name{font-size:12px;color:#666}.material-value{font-size:16px;font-weight:700;color:#667eea}@media (max-width: 768px){.calculator .ant-card{margin:0}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f0f2f5;line-height:1.6}#root{min-height:100vh;display:flex;flex-direction:column}