:root{--bg: #0f172a;--bg-card: #1e293b;--bg-input: #0f172a;--text: #f1f5f9;--text-muted: #94a3b8;--border: #334155;--accent: #3b82f6;--accent-hover: #2563eb;--green: #22c55e;--yellow: #eab308;--orange: #f97316;--red: #ef4444;--radius: 12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1200px;margin:0 auto;padding:0 24px}.header{border-bottom:1px solid var(--border);padding:16px 0}.header-inner{display:flex;align-items:center;justify-content:space-between}.logo{font-size:20px;font-weight:700;color:var(--text)}.logo span{color:var(--accent)}.nav-links{display:flex;gap:24px}.nav-links a{color:var(--text-muted);font-size:14px;font-weight:500}.nav-links a:hover{color:var(--text);text-decoration:none}.hero{text-align:center;padding:80px 0 60px}.hero h1{font-size:48px;font-weight:700;margin-bottom:16px}.hero h1 span{color:var(--accent)}.hero p{font-size:18px;color:var(--text-muted);max-width:600px;margin:0 auto 40px}.url-form{display:flex;gap:12px;max-width:640px;margin:0 auto}.url-input{flex:1;padding:14px 18px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:16px;outline:none;transition:border-color .2s}.url-input:focus{border-color:var(--accent)}.url-input::placeholder{color:var(--text-muted)}.btn-analyze{padding:14px 28px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-size:16px;font-weight:600;cursor:pointer;transition:background .2s}.btn-analyze:hover{background:var(--accent-hover)}.btn-analyze:disabled{opacity:.5;cursor:not-allowed}.options{max-width:640px;margin:16px auto 0;display:flex;gap:20px;justify-content:center}.option-label{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-muted);cursor:pointer}.option-label input{accent-color:var(--accent)}.score-section{text-align:center;padding:40px 0}.score-gauge{position:relative;width:200px;height:200px;margin:0 auto 20px}.score-circle{width:200px;height:200px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-direction:column;border:8px solid var(--border);position:relative}.score-value{font-size:56px;font-weight:700;line-height:1}.score-grade{font-size:24px;color:var(--text-muted)}.score-label{font-size:14px;color:var(--text-muted);margin-top:8px}.dimensions{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px;margin:40px 0}.dim-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:border-color .2s}.dim-card:hover{border-color:var(--accent)}.dim-header{display:flex;justify-content:space-between;align-items:start;margin-bottom:12px}.dim-name{font-size:16px;font-weight:600}.dim-weight{font-size:12px;color:var(--text-muted)}.dim-score-bar{height:8px;background:var(--border);border-radius:4px;overflow:hidden;margin:12px 0}.dim-score-fill{height:100%;border-radius:4px;transition:width .8s ease-out}.dim-score-value{font-size:28px;font-weight:700}.dim-grade{font-size:14px;color:var(--text-muted);margin-left:8px}.recs{margin:40px 0}.recs h2{font-size:24px;font-weight:600;margin-bottom:20px}.rec-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:12px}.rec-header{display:flex;align-items:center;gap:12px;margin-bottom:8px}.rec-severity{padding:2px 10px;border-radius:20px;font-size:11px;font-weight:600;text-transform:uppercase}.sev-critical{background:#ef444426;color:var(--red)}.sev-warning{background:#f9731626;color:var(--orange)}.sev-info{background:#3b82f626;color:var(--accent)}.rec-title{font-weight:600;font-size:15px}.rec-desc{color:var(--text-muted);font-size:14px;margin-bottom:8px}.rec-action{background:#3b82f614;border-left:3px solid var(--accent);padding:10px 14px;border-radius:0 8px 8px 0;font-size:13px;color:var(--text)}.progress-section{text-align:center;padding:60px 0}.progress-bar{width:100%;max-width:500px;height:8px;background:var(--border);border-radius:4px;margin:20px auto;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),#60a5fa,var(--accent));background-size:200% 100%;border-radius:4px;transition:width .5s;animation:shimmer 2s ease-in-out infinite}.progress-step{color:var(--text-muted);font-size:14px;animation:fadeInUp .4s ease-out}.progress-pct{font-size:36px;font-weight:700;color:var(--accent)}.spinner{width:48px;height:48px;border:4px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 24px}.progress-ring{position:relative;display:inline-block;padding:18px}.progress-ring:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;border:3px solid var(--accent);opacity:.3;animation:pulse-ring 2s ease-out infinite}.dots:after{content:"";animation:dots-anim 1.5s steps(4,end) infinite}.analysis-steps{max-width:400px;margin:28px auto 0;text-align:left}.analysis-step-item{display:flex;align-items:center;gap:12px;padding:8px 0;font-size:13px;color:var(--text-muted);transition:color .3s,opacity .3s}.analysis-step-item.active{color:var(--accent);font-weight:500}.analysis-step-item.done{color:var(--green)}.step-icon{width:20px;height:20px;border-radius:50%;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:10px;transition:all .3s}.analysis-step-item.active .step-icon{border-color:var(--accent);animation:pulse-ring 2s ease-out infinite}.analysis-step-item.done .step-icon{border-color:var(--green);background:var(--green);color:#fff}.skeleton-block{background:linear-gradient(90deg,var(--bg-card) 25%,var(--border) 50%,var(--bg-card) 75%);background-size:200% 100%;animation:shimmer 1.5s ease-in-out infinite;border-radius:var(--radius);height:20px;margin:10px auto}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes pulse-ring{0%{transform:scale(1);opacity:.3}50%{transform:scale(1.15);opacity:.1}to{transform:scale(1);opacity:.3}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes dots-anim{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}.history-table{width:100%;border-collapse:collapse;margin:20px 0}.history-table th{text-align:left;padding:12px 16px;border-bottom:1px solid var(--border);color:var(--text-muted);font-size:13px;font-weight:500}.history-table td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:14px}.history-table tr:hover td{background:#3b82f60d}.error-box{background:#ef44441a;border:1px solid var(--red);border-radius:var(--radius);padding:20px;text-align:center;margin:20px 0}.error-box h3{color:var(--red);margin-bottom:8px}.radar-section{max-width:500px;margin:30px auto}.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--text-muted);font-size:14px;margin-bottom:20px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}@media(max-width:768px){.hero h1{font-size:32px}.url-form{flex-direction:column}.dimensions{grid-template-columns:1fr}}