*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f8fafc;--surface: #ffffff;--surface2: #f1f5f9;--border: #e2e8f0;--border-strong: #cbd5e1;--text: #0f172a;--text-2: #475569;--text-3: #94a3b8;--accent: #0d9488;--accent-hover: #0f766e;--accent-light: #ccfbf1;--radius: 12px;--radius-sm: 8px;--shadow-sm: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.04);--shadow: 0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);--shadow-lg: 0 10px 30px rgba(0,0,0,.1), 0 4px 10px rgba(0,0,0,.06);--font: "DM Sans", sans-serif;--mono: "DM Mono", monospace;--header-h: 62px}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;display:block}.container{width:100%;max-width:1140px;margin:0 auto;padding:0 20px}.page-wrapper{min-height:100vh;display:flex;flex-direction:column}main{flex:1}.site-header{height:var(--header-h);background:#fff9;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(226,232,240,.7);position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}.site-logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);font-weight:700;font-size:1.2rem;letter-spacing:-.03em}.logo-icon{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:12px;box-shadow:0 6px 14px gba(11,77,99,.25)}.logo-text{display:inline-block}.accent{color:#10a79b}.site-logo:hover{text-decoration:none;opacity:.85;transform:translateY(-1px);transition:all .2s ease}.header-nav{display:flex;align-items:center;gap:4px}.header-nav a{padding:6px 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64px}.section-heading{font-size:1.35rem;font-weight:700;letter-spacing:-.02em;margin-bottom:24px;color:var(--text)}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:6px;text-decoration:none;color:var(--text);transition:box-shadow .18s,transform .18s,border-color .18s;box-shadow:var(--shadow-sm);cursor:pointer}.tool-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);text-decoration:none;color:var(--text);border-color:var(--border-strong)}.tool-card-icon{width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:.9rem;font-weight:700;font-family:var(--mono);color:#fff;flex-shrink:0;margin-bottom:2px}.tool-card h3{font-size:.88rem;font-weight:600;letter-spacing:-.01em;line-height:1.3}.tool-card p{font-size:.78rem;color:var(--text-2);line-height:1.4;flex:1}.tool-card-arrow{font-size:.8rem;color:var(--text-3);margin-top:4px;transition:color .15s,transform .15s;display:inline-block}.tool-card:hover .tool-card-arrow{color:var(--accent);transform:translate(3px)}.tool-page{padding:40px 0 64px}.tool-page-header{margin-bottom:28px}.tool-page-header .breadcrumb{font-size:.8rem;color:var(--text-3);margin-bottom:12px;display:flex;align-items:center;gap:6px}.breadcrumb a{color:var(--text-3);transition:color .15s}.breadcrumb a:hover{color:var(--accent);text-decoration:none}.breadcrumb span{color:var(--text-3)}.tool-page-header h1{font-size:clamp(1.6rem,4vw,2.2rem);font-weight:700;letter-spacing:-.03em;line-height:1.2;margin-bottom:8px}.tool-page-header .subtitle{font-size:1rem;color:var(--text-2)}.tool-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;margin-bottom:32px;box-shadow:var(--shadow-sm)}.tool-box h2.tool-box-title{font-size:1rem;font-weight:600;margin-bottom:16px;color:var(--text)}textarea,input[type=text],input[type=date],input[type=number],select{font-family:var(--font);font-size:.9rem;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px;width:100%;outline:none;transition:border-color .15s,box-shadow .15s;line-height:1.5}textarea:focus,input[type=text]:focus,input[type=date]:focus,input[type=number]:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #0d94881f}textarea{resize:vertical;font-family:var(--mono);font-size:.85rem}label{display:block;font-size:.82rem;font-weight:600;color:var(--text-2);margin-bottom:6px;text-transform:uppercase;letter-spacing:.05em}.form-group{margin-bottom:16px}.form-row{display:flex;gap:12px;flex-wrap:wrap}.form-row .form-group{flex:1;min-width:140px}.btn{font-family:var(--font);font-size:.9rem;font-weight:600;padding:10px 20px;border-radius:var(--radius-sm);border:none;cursor:pointer;transition:background .15s,transform .1s,box-shadow .15s;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}.btn:active{transform:scale(.97)}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 2px 6px #0d94884d}.btn-primary:hover{background:var(--accent-hover);box-shadow:0 4px 12px #0d948866}.btn-secondary{background:var(--surface2);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-ghost{background:transparent;color:var(--text-2);border:1px solid var(--border)}.btn-ghost:hover{background:var(--surface2)}.btn-sm{font-size:.8rem;padding:7px 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p{font-size:.9rem;color:var(--text-2);line-height:1.7;margin-bottom:10px}.seo-content p:last-child{margin-bottom:0}.related-tools{margin-bottom:40px}.related-tools h2{font-size:1.1rem;font-weight:700;margin-bottom:16px;letter-spacing:-.02em}.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}.info-page{padding:48px 0 72px;max-width:720px;margin:0 auto}.info-page h1{font-size:2rem;font-weight:700;letter-spacing:-.03em;margin-bottom:8px}.info-page .updated{font-size:.82rem;color:var(--text-3);margin-bottom:32px;display:block}.info-page h2{font-size:1.1rem;font-weight:700;margin:28px 0 8px;letter-spacing:-.01em}.info-page p,.info-page li{font-size:.92rem;color:var(--text-2);line-height:1.75;margin-bottom:10px}.info-page ul{padding-left:20px}.info-page a{color:var(--accent)}.site-footer{background:#0f172a;color:#94a3b8;padding:36px 0 24px;margin-top:auto}.footer-inner{display:flex;flex-direction:column;gap:20px}.footer-brand{display:flex;align-items:center;gap:9px;color:#fff;font-weight:700;font-size:1rem;letter-spacing:-.02em;margin-bottom:4px}.footer-tagline{font-size:.82rem;color:#64748b;max-width:300px}.footer-links{display:flex;flex-wrap:wrap;gap:8px 20px}.footer-links a{color:#94a3b8;font-size:.85rem;text-decoration:none;transition:color .15s}.footer-links a:hover{color:#e2e8f0;text-decoration:none}.footer-bottom{border-top:1px solid #1e293b;padding-top:18px;font-size:.78rem;color:#475569}.username-results{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:8px;margin-top:16px}.username-chip{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px;font-family:var(--mono);font-size:.82rem;display:flex;align-items:center;justify-content:space-between;gap:6px;transition:border-color .15s}.username-chip:hover{border-color:var(--accent)}.username-chip button{background:none;border:none;cursor:pointer;color:var(--text-3);font-size:.75rem;padding:2px 6px;border-radius:4px;transition:background .15s,color .15s}.username-chip button:hover{background:var(--accent-light);color:var(--accent)}.age-big{font-size:clamp(2.5rem,8vw,4.5rem);font-weight:700;color:var(--accent);letter-spacing:-.04em;line-height:1}.age-label{font-size:.78rem;font-weight:600;color:var(--text-2);text-transform:uppercase;letter-spacing:.07em}@media (max-width: 700px){.header-nav{display:none}.tool-box,.seo-content{padding:20px 16px}.tools-section{padding:36px 0 48px}.hero{padding:44px 0 40px}.result-grid{grid-template-columns:1fr 1fr}.form-row{flex-direction:column}.info-page{padding:32px 0 56px}}@media (max-width: 460px){.username-results{grid-template-columns:1fr}.result-grid{grid-template-columns:1fr 1fr}}