*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f172a;--surface: #1e293b;--surface2: #334155;--border: #475569;--primary: #6366f1;--primary-hover: #818cf8;--text: #f1f5f9;--muted: #94a3b8;--error: #f87171;--success: #4ade80;--radius: 8px;--font: system-ui, -apple-system, sans-serif}body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.6;min-height:100vh}a{color:var(--primary-hover);text-decoration:none}a:hover{text-decoration:underline}.app-shell{display:flex;flex-direction:column;min-height:100vh}.page{max-width:760px;margin:0 auto;padding:24px 16px;width:100%}.page-wide{max-width:1100px;margin:0 auto;padding:24px 16px;width:100%}nav{background:var(--surface);border-bottom:1px solid var(--border);padding:0 16px}.nav-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;gap:16px;height:56px}.nav-brand{font-weight:700;font-size:18px;color:var(--primary-hover)}.nav-links{display:flex;gap:8px;flex:1}.nav-link{color:var(--muted);padding:6px 10px;border-radius:var(--radius);font-size:14px}.nav-link:hover,.nav-link.active{color:var(--text);background:var(--surface2);text-decoration:none}.nav-actions{display:flex;gap:8px;align-items:center}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px}label{display:block;font-size:14px;color:var(--muted);margin-bottom:6px;font-weight:500}input,textarea,select{width:100%;padding:10px 12px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:15px;font-family:var(--font)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary)}textarea{resize:vertical;min-height:80px}.field{margin-bottom:16px}.hint{font-size:12px;color:var(--muted);margin-top:4px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer;border:none;transition:opacity .15s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-secondary{background:var(--surface2);color:var(--text)}.btn-secondary:hover:not(:disabled){background:var(--border)}.btn-sm{padding:6px 14px;font-size:13px}.btn-full{width:100%}.alert{padding:12px 16px;border-radius:var(--radius);font-size:14px;margin-bottom:16px}.alert-error{background:#f871711a;border:1px solid var(--error);color:var(--error)}.alert-success{background:#4ade801a;border:1px solid var(--success);color:var(--success)}.alert-info{background:#6366f11a;border:1px solid var(--primary);color:var(--primary-hover)}.wizard{display:flex;flex-direction:column;gap:24px}.step-bar{display:flex;gap:8px}.step-dot{height:6px;border-radius:3px;flex:1;background:var(--surface2);transition:background .2s}.step-dot.done{background:var(--success)}.step-dot.active{background:var(--primary)}.step-header{margin-bottom:20px}.step-header h2{font-size:22px;margin-bottom:4px}.step-header p{color:var(--muted);font-size:14px}.chip-group{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.chip{background:var(--surface2);border:1px solid var(--border);padding:4px 12px;border-radius:20px;font-size:13px;color:var(--text);cursor:pointer}.chip.selected{background:var(--primary);border-color:var(--primary);color:#fff}.blog-preview{line-height:1.8}.blog-preview h1,.blog-preview h2,.blog-preview h3{margin:24px 0 12px;color:var(--text)}.blog-preview p{margin-bottom:16px;color:var(--muted)}.blog-preview ul,.blog-preview ol{padding-left:24px;margin-bottom:16px}.blog-preview li{margin-bottom:6px}.takeaways{background:var(--surface);border-left:3px solid var(--primary);padding:16px 20px;margin:20px 0;border-radius:0 var(--radius) var(--radius) 0}.takeaways h3{margin:0 0 10px;color:var(--primary-hover);font-size:15px}.faq-item{border-top:1px solid var(--border);padding:16px 0}.faq-item strong{display:block;margin-bottom:8px;color:var(--text)}.blog-list{display:flex;flex-direction:column;gap:12px}.blog-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;display:flex;flex-direction:column;gap:6px}.blog-card h3{font-size:16px}.blog-card p{font-size:13px;color:var(--muted)}.blog-meta{font-size:12px;color:var(--border)}.row{display:flex;gap:12px;align-items:center}.spacer{flex:1}.mt-16{margin-top:16px}.mt-24{margin-top:24px}h1{font-size:28px;margin-bottom:8px}h2{font-size:22px}.text-muted{color:var(--muted);font-size:14px}.divider{border:none;border-top:1px solid var(--border);margin:24px 0}.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-block{display:flex;align-items:center;justify-content:center;gap:12px;padding:48px;color:var(--muted)}