*{margin:0;padding:0;box-sizing:border-box}:root{--bg:#0a0b0f;--bg-2:#11131a;--card:#161922;--border:#232733;--text:#e8eaf0;--text-dim:#7a8190;--accent:#4f8cff;--accent-hover:#6ba1ff;--green:#2ecc71;--gold:#fdcb6e;--radius:14px}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;overflow-x:hidden}.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;min-height:44px;display:inline-flex;align-items:center}.navbar .nav-links a:hover,.navbar .nav-links a.active{color:var(--accent-hover)}main{max-width:720px;margin:0 auto;padding:2rem 1.5rem 3rem}h1{font-size:1.8rem;margin-bottom:0.4rem;background:linear-gradient(135deg,#4f8cff,#6ba1ff);-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}textarea{width:100%;min-height:280px;background:var(--bg-2);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;font-size:16px;font-family:-apple-system,"Segoe UI",Roboto,monospace;outline:none;transition:border-color .2s;resize:vertical;line-height:1.6}textarea:focus{border-color:var(--accent)}textarea::placeholder{color:var(--text-dim)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:0.75rem;margin:1rem 0}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;text-align:center}.stat-num{font-size:1.8rem;font-weight:800;font-variant-numeric:tabular-nums;color:var(--accent)}.stat-label{font-size:0.7rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:0.05em;margin-top:0.25rem}.stat-card.green .stat-num{color:var(--green)}.stat-card.gold .stat-num{color:var(--gold)}.tool-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-bottom:1rem}.btn{background:var(--accent);color:#fff;border:none;border-radius:10px;padding:0.65rem 1.5rem;font-size:0.88rem;font-weight:600;cursor:pointer;transition:background .2s,transform .1s;font-family:inherit;min-height:44px}.btn:hover{background:var(--accent-hover)}.btn:active{transform:scale(0.97)}.btn-secondary{background:var(--card);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-2)}.btn-row{display:flex;gap:0.5rem;flex-wrap:wrap;margin-top:0.75rem}.reading-time{text-align:center;font-size:0.9rem;color:var(--text-dim);margin:1rem 0}.reading-time strong{color:var(--accent-hover);font-variant-numeric:tabular-nums}.stats-footer{text-align:center;margin:1.5rem 0;font-size:0.78rem;color:var(--text-dim)}.stats-footer 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)}.keyword-density{margin-top:1rem}.kw-item{display:flex;justify-content:space-between;padding:0.4rem 0.75rem;border-bottom:1px solid var(--border);font-size:0.85rem}.kw-item:last-child{border-bottom:none}.kw-bar{width:60px;height:8px;background:var(--bg-2);border-radius:4px;overflow:hidden;margin-left:0.5rem}.kw-bar-fill{height:100%;background:var(--accent);border-radius:4px}