:root{--bg: #0b0c10;--fg: #e5e7eb;--muted: #9ca3af;--brand: #3b82f6;--brand-dark: #1d4ed8;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1)}*{box-sizing:border-box}body{margin:0;background:linear-gradient(135deg,#667eea,#764ba2);color:var(--fg);font:16px/1.45 system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;min-height:100vh}#root{max-width:1200px;margin:0 auto;padding:2rem 1rem}.app{background:#1f2937;border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden;animation:slideUp .6s ease-out;color:#e5e7eb}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}header{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);color:#fff;padding:2rem;text-align:center}header h1{margin:0 0 .5rem;font-size:2.5rem;font-weight:700;text-shadow:0 2px 4px rgba(0,0,0,.1)}header p{margin:0;opacity:.9;font-size:1.1rem}.tabs{display:flex;border-bottom:2px solid var(--gray-200);background:var(--gray-50);color:#000}.tab{flex:1;padding:1rem;border:none;background:transparent;cursor:pointer;font-size:1rem;font-weight:600;color:var(--gray-700);transition:all .2s ease;border-bottom:3px solid transparent}.tab:hover{background:#fff;color:var(--brand)}.tab.active{background:#fff;color:var(--brand);border-bottom-color:var(--brand)}section{padding:2rem;border-bottom:1px solid #374151}section:last-child{border-bottom:none}h2{color:#f3f4f6;font-size:1.5rem;font-weight:600;margin:0 0 1.5rem}label{display:block;font-weight:600;color:#d1d5db;margin-bottom:.5rem;margin-top:1rem}label:first-of-type{margin-top:0}input,select{width:100%;padding:.75rem 1rem;border:2px solid #374151;border-radius:8px;font-size:1rem;transition:all .2s ease;background:#111827;color:#e5e7eb}input:focus,select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px #2563eb1a}button{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);color:#fff;border:none;padding:1rem 2rem;border-radius:8px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:var(--shadow);width:100%;margin-top:1rem}button:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-lg)}button:active:not(:disabled){transform:translateY(0)}button:disabled{opacity:.6;cursor:not-allowed;transform:none}.loading{position:relative;overflow:hidden}.loading:after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);animation:loading 1.5s infinite}@keyframes loading{0%{left:-100%}to{left:100%}}.spinner{display:inline-block;width:1.2em;height:1.2em;border:3px solid var(--gray-200);border-top-color:var(--brand);border-radius:50%;animation:spin 1s linear infinite;margin-right:.5rem}@keyframes spin{to{transform:rotate(360deg)}}.score-badge{display:inline-block;padding:.5rem 1rem;border-radius:12px;font-weight:700;font-size:.9rem;margin:.25rem;box-shadow:var(--shadow);animation:bounceIn .6s ease-out}@keyframes bounceIn{0%{transform:scale(.3);opacity:0}50%{transform:scale(1.05)}70%{transform:scale(.9)}to{transform:scale(1);opacity:1}}.s-ok{background:linear-gradient(135deg,var(--success) 0%,#059669 100%);color:#fff}.s-warn{background:linear-gradient(135deg,var(--warning) 0%,#d97706 100%);color:#fff}.s-bad{background:linear-gradient(135deg,var(--danger) 0%,#dc2626 100%);color:#fff}.mono{font-family:SF Mono,Monaco,Cascadia Code,Roboto Mono,Consolas,Courier New,monospace;background:var(--gray-50);padding:.25rem .5rem;border-radius:4px;font-size:.9rem;color:#000}.log{max-height:200px;overflow:auto;border:2px solid #374151;border-radius:8px;padding:1rem;background:#0b0c10;font-family:SF Mono,Monaco,Cascadia Code,Roboto Mono,Consolas,Courier New,monospace;font-size:.9rem;line-height:1.5;color:#9ca3af}.results{background:#111827;border-radius:8px;padding:1.5rem;margin-top:1rem;animation:fadeInUp .6s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin:1rem 0}.summary>div{background:#0b0c10;border:1px solid #374151;padding:1rem;border-radius:8px;text-align:center}.summary h3{margin:0 0 .5rem;font-size:.9rem;color:#9ca3af;font-weight:600}.summary .score{font-size:2rem;font-weight:700;color:var(--brand)}.error{background:#fef2f2;border:1px solid #fecaca;color:#dc2626;padding:1rem;border-radius:8px;margin:1rem 0;font-weight:500}.suggestions{margin:1rem 0}.suggestions ul{list-style:none;padding:0;margin:0}.suggestions li{background:#111827;border-left:4px solid var(--brand);padding:.75rem 1rem;margin:.5rem 0;border-radius:4px;box-shadow:var(--shadow);color:#e5e7eb}.suggestions .severity-high{border-left-color:var(--danger)}.suggestions .severity-medium{border-left-color:var(--warning)}.suggestions .severity-low{border-left-color:var(--muted)}details{margin-top:1rem}summary{cursor:pointer;font-weight:600;color:#d1d5db;padding:.5rem 0}summary:hover{color:var(--brand)}pre{background:var(--gray-900);color:var(--gray-200);padding:1.5rem;border-radius:8px;font-size:.85rem;line-height:1.6;overflow-x:auto;white-space:pre-wrap;word-break:break-word}a{color:var(--brand);text-decoration:none;font-weight:600}a:hover{text-decoration:underline}footer{background:#0b0c10;padding:1.5rem 2rem;text-align:center;color:#9ca3af;font-size:.9rem}footer code{background:var(--gray-200);padding:.2rem .4rem;border-radius:4px;font-size:.8rem;color:#000}@media (max-width: 768px){#root{padding:1rem .5rem}.app{border-radius:12px}header{padding:1.5rem}header h1{font-size:2rem}section{padding:1.5rem}.summary{grid-template-columns:1fr}}