*{margin:0;padding:0;box-sizing:border-box}:root{--bg:#0a0b0f;--bg-2:#11131a;--card:#161922;--border:#232733;--text:#e8eaf0;--text-dim:#7a8190;--accent:#00b894;--accent-hover:#55efc4;--green:#00b894;--gold:#fdcb6e;--red:#ff3b3b;--orange:#fdcb6e;--blue:#4f8cff;--radius:12px}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;background:var(--bg);color:var(--text);min-height:100vh;line-height:1.7}.navbar{display:flex;justify-content:space-between;align-items:center;padding:0.75rem 1.5rem;border-bottom:1px solid var(--border);position:sticky;top:0;background:rgba(10,11,15,0.92);backdrop-filter:blur(12px);z-index:50}.navbar .brand{font-weight:800;color:var(--text);text-decoration:none;font-size:1.05rem;display:flex;align-items:center;gap:0.4rem}.navbar .nav-links{display:flex;gap:1rem}.navbar .nav-links a{color:var(--text-dim);text-decoration:none;font-size:0.82rem;transition:color .2s}.navbar .nav-links a:hover,.navbar .nav-links a.active{color:var(--accent-hover)}main{max-width:640px;margin:0 auto;padding:2rem 1.5rem 3rem}h1{font-size:1.8rem;margin-bottom:0.4rem;background:linear-gradient(135deg,#00b894,#55efc4);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{color:var(--text-dim);font-size:0.9rem;margin-bottom:1.5rem}h2{font-size:1.1rem;margin:1.5rem 0 0.6rem;color:var(--accent-hover)}p{margin-bottom:0.75rem}a{color:var(--accent-hover)}ul{margin:0 0 1rem 1.25rem}li{margin-bottom:0.4rem}.tool-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-bottom:1rem}.form-row{display:flex;align-items:center;gap:0.75rem;margin-bottom:1rem;flex-wrap:wrap}.form-row label{font-size:0.85rem;color:var(--text-dim);min-width:90px}.form-row input,.form-row select{flex:1;min-width:100px;background:var(--bg-2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:0.6rem 0.85rem;font-size:0.9rem;outline:none;transition:border-color .2s;font-family:inherit}.form-row input:focus{border-color:var(--accent)}.unit-toggle{display:flex;gap:0;border:1px solid var(--border);border-radius:8px;overflow:hidden}.unit-toggle button{background:var(--bg-2);color:var(--text-dim);border:none;padding:0.55rem 1rem;font-size:0.82rem;cursor:pointer;font-family:inherit;transition:all .15s}.unit-toggle button.active{background:var(--accent);color:#fff}.btn{background:var(--accent);color:#fff;border:none;border-radius:10px;padding:0.75rem 2rem;font-size:0.95rem;font-weight:700;cursor:pointer;transition:background .2s,transform .1s;font-family:inherit}.btn:hover{background:var(--accent-hover)}.btn:active{transform:scale(0.97)}.result-big{font-size:3rem;font-weight:800;font-variant-numeric:tabular-nums;text-align:center}.result-label{color:var(--text-dim);font-size:0.78rem;text-align:center}.result-category{text-align:center;font-size:1.1rem;font-weight:700;margin-top:0.5rem}.bmi-bar{height:12px;border-radius:6px;margin:1rem 0 0.5rem;background:linear-gradient(90deg,#4f8cff 0% 25%,#00b894 25% 50%,#fdcb6e 50% 75%,#ff3b3b 75% 100%);position:relative}.bmi-marker{position:absolute;top:-4px;width:4px;height:20px;background:#fff;border-radius:2px;transition:left 0.5s ease;box-shadow:0 0 4px rgba(0,0,0,0.5)}.bmi-scale{display:flex;justify-content:space-between;font-size:0.65rem;color:var(--text-dim)}.stats{text-align:center;margin:1.5rem 0;font-size:0.78rem;color:var(--text-dim)}.stats strong{color:var(--accent-hover);font-variant-numeric:tabular-nums}.stat-divider{margin:0 0.6rem;opacity:0.4}footer{text-align:center;padding:1.25rem;color:var(--text-dim);font-size:0.75rem;border-top:1px solid var(--border)}footer a{color:var(--accent-hover);text-decoration:none}.seo-section{color:var(--text-dim);font-size:0.85rem;margin-top:2rem}.seo-section h2{color:var(--text)}body{overflow-x:hidden}.navbar .brand,.navbar .brand a{display:flex;align-items:center;min-height:44px;padding:0.25rem 0}.navbar .nav-links a{min-height:44px;display:inline-flex;align-items:center;padding:0.4rem 0.3rem}footer a,footer p a{display:inline-block;min-height:36px;line-height:36px;padding:0 0.15rem}.tool-link{min-height:44px}.tool-link .tool-name,.tool-link .tool-desc{line-height:1.3}.btn{min-height:44px}@media (max-width:768px){footer a{min-height:44px;line-height:44px}.navbar .nav-links{flex-wrap:wrap}}@media (max-width:768px){a{min-height:44px;display:inline-flex;align-items:center}.tool-card a,.seo-section a,.result a{display:inline-block;min-height:44px;line-height:44px}.navbar .brand{min-height:44px}button{min-height:44px}}