:root{--bg-primary:#0a0a0f;--bg-secondary:#12121a;--bg-card:#1a1a24;--text-primary:#f0f0f5;--text-secondary:#8888a0;--accent:#4a9eff;--accent-hover:#6bb3ff;--success:#22c55e;--success-bg:#22c55e26;--danger:#ef4444;--danger-bg:#ef444426;--border:#2a2a3a;--radius:12px}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg-primary);color:var(--text-primary);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6}a{color:var(--accent);text-decoration:none;transition:color .2s}a:hover{color:var(--accent-hover)}.container{max-width:900px;margin:0 auto;padding:2rem}.navbar{background:var(--bg-secondary);border-bottom:1px solid var(--border);z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:1rem 2rem;position:sticky;top:0}.navbar-content{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;display:flex}.navbar-brand{color:var(--text-primary);align-items:center;gap:.5rem;font-size:1.5rem;font-weight:700;display:flex}.navbar-brand span{color:var(--accent)}.navbar-links{gap:1.5rem;list-style:none;display:flex}.navbar-links a{color:var(--text-secondary);border-radius:8px;padding:.5rem 1rem;font-weight:500;transition:all .2s}.navbar-links a:hover{color:var(--text-primary);background:var(--bg-card)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:1.5rem;padding:2rem}.card h2{color:var(--accent);margin-bottom:1rem;font-size:1.5rem}.card p{color:var(--text-secondary)}.btn{cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-card)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.form-group{margin-bottom:1.5rem}.form-label{color:var(--text-secondary);margin-bottom:.5rem;font-weight:500;display:block}.form-textarea{background:var(--bg-secondary);border:1px solid var(--border);width:100%;min-height:200px;color:var(--text-primary);resize:vertical;border-radius:8px;padding:1rem;font-family:monospace;font-size:.9rem}.form-textarea:focus{border-color:var(--accent);outline:none}.form-input{background:var(--bg-secondary);border:1px solid var(--border);width:100%;color:var(--text-primary);border-radius:8px;padding:.75rem 1rem;font-size:1rem}.form-input:focus{border-color:var(--accent);outline:none}.result-banner{border-radius:var(--radius);text-align:center;margin-top:1.5rem;padding:1.5rem;font-size:1.25rem;font-weight:600;animation:.3s ease-out fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.result-allowed{background:var(--danger-bg);border:2px solid var(--danger);color:var(--danger)}.result-blocked{background:var(--success-bg);border:2px solid var(--success);color:var(--success)}.sample-data-box{background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;padding:1rem;font-family:monospace;font-size:.85rem;position:relative;overflow-x:auto}.sample-data-box pre{white-space:pre-wrap;word-wrap:break-word}.copy-btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:.5rem 1rem;font-size:.8rem;font-weight:600;position:absolute;top:.5rem;right:.5rem}.copy-btn:hover{background:var(--accent-hover)}.hero{text-align:center;padding:3rem 0}.hero h1{background:linear-gradient(135deg,var(--accent)0%,#00d4ff 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:1rem;font-size:3rem}.hero p{color:var(--text-secondary);max-width:600px;margin:0 auto 2rem;font-size:1.25rem}.quick-links{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem;margin-top:2rem;display:grid}.quick-link{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);text-align:center;padding:1.5rem;transition:all .2s}.quick-link:hover{border-color:var(--accent);transform:translateY(-2px)}.quick-link h3{color:var(--text-primary);margin-bottom:.5rem}.quick-link p{color:var(--text-secondary);font-size:.9rem}.footer{text-align:center;color:var(--text-secondary);border-top:1px solid var(--border);margin-top:3rem;padding:2rem}@media (max-width:768px){.navbar-content{flex-direction:column;gap:1rem}.navbar-links{flex-wrap:wrap;justify-content:center}.hero h1{font-size:2rem}.container{padding:1rem}}