:root{--bg:#fff;--surface:#f7f7f5;--border:#00000014;--text-primary:#0a0a0a;--text-muted:#0a0a0a73;--text-label:#0a0a0a59;--score-high:#0a0a0a;--score-mid:#b45309;--score-low:#dc2626;--max-width:900px;--font-body:"Geist", -apple-system, BlinkMacSystemFont, sans-serif;--font-headline:"DM Serif Display", Georgia, serif;--font-mono:"DM Mono", "SF Mono", monospace}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);color:var(--text-primary);background:var(--bg);font-size:16px;font-weight:400;line-height:1.6}.nav{z-index:100;-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);background:#ffffffe6;padding:0 24px;position:sticky;top:0}.nav-inner{max-width:var(--max-width);justify-content:space-between;align-items:center;height:56px;margin:0 auto;display:flex}.nav-brand{font-family:var(--font-body);color:var(--text-primary);letter-spacing:-.02em;font-size:15px;font-weight:600;text-decoration:none}.nav-links{align-items:center;gap:28px;display:flex}.nav-links a{font-family:var(--font-body);color:var(--text-muted);font-size:14px;font-weight:400;text-decoration:none;transition:color .2s}.nav-links a:hover{color:var(--text-primary)}.section{max-width:var(--max-width);margin:0 auto;padding:0 24px}.section-label{font-family:var(--font-body);color:var(--text-label);letter-spacing:.02em;margin-bottom:16px;font-size:13px;font-weight:400}.btn-primary{background:var(--text-primary);color:#fff;font-family:var(--font-body);cursor:pointer;border:none;border-radius:8px;align-items:center;gap:6px;padding:14px 28px;font-size:15px;font-weight:500;text-decoration:none;transition:opacity 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.2s;display:inline-flex}.chip:hover{color:var(--text-primary);border-color:#0003}.chip-selected{background:var(--text-primary);color:#fff;border-color:var(--text-primary)}.chip-selected:hover{background:var(--text-primary);color:#fff;opacity:.9}.loading-container{text-align:center;padding:80px 0}.loading-spinner{border:2px solid var(--border);border-top-color:var(--text-primary);border-radius:50%;width:32px;height:32px;margin:0 auto 20px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-status{color:var(--text-muted);font-size:15px}.results-section{border-top:1px solid var(--border);padding:80px 0 40px}.timeline-container{background:var(--surface);border:1px solid var(--border);border-radius:16px;margin-bottom:32px;padding:28px;position:relative}.timeline-controls{align-items:center;gap:12px;margin-bottom:20px;display:flex}.play-btn{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;transition:background .2s;display:flex}.play-btn:hover{background:var(--surface)}.play-btn svg{width:14px;height:14px;fill:var(--text-primary)}.timeline-time{font-family:var(--font-mono);color:var(--text-muted);font-size:13px}.timeline-row{margin-bottom:16px}.timeline-row-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px;font-size:12px;font-weight:500;display:flex}.timeline-frames{scrollbar-width:thin;gap:4px;padding-bottom:4px;display:flex;overflow-x:auto}.timeline-frames::-webkit-scrollbar{height:4px}.timeline-frames::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.timeline-frame{cursor:pointer;text-align:center;border:2px solid #0000;border-radius:6px;flex-shrink:0;transition:border-color 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var(--border);border-radius:12px;padding:24px}.metric-card-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:12px;font-size:13px;font-weight:500}.metric-card-score{font-family:var(--font-mono);margin-bottom:4px;font-size:32px;font-weight:500}.metric-card-desc{color:var(--text-muted);font-size:13px;line-height:1.5}.metric-chart{height:120px;margin-top:16px}.recommendations-section{padding-top:60px;padding-bottom:40px}.recommendations-grid{grid-template-columns:1fr;gap:16px;display:grid}.recommendation-card-v2{background:var(--surface);border:1px solid var(--border);border-radius:12px;display:flex;overflow:hidden}.rec-color-bar{flex-shrink:0;width:5px}.rec-content{flex:1;padding:24px 28px}.rec-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.rec-problem{font-size:16px;font-weight:600}.rec-badge{text-transform:uppercase;letter-spacing:.04em;border:1px solid;border-radius:20px;padding:4px 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solid var(--border);padding:40px 24px}.footer-inner{max-width:var(--max-width);margin:0 auto}.footer-top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.footer-brand{color:var(--text-primary);font-size:14px;font-weight:600;text-decoration:none}.footer-middle{color:var(--text-muted);font-size:13px}.footer-email{color:var(--text-muted);font-size:13px;text-decoration:none}.footer-email:hover{color:var(--text-primary)}.footer-citation{color:var(--text-label);text-align:center;margin-top:24px;font-size:12px;line-height:1.5}.footer-legal{justify-content:center;gap:20px;margin-top:16px;display:flex}.footer-legal a{color:var(--text-muted);font-size:12px;text-decoration:none}.footer-legal a:hover{color:var(--text-primary)}.error-message{color:#991b1b;background:#fef2f2;border:1px solid #fecaca;border-radius:12px;margin-top:16px;padding:20px 24px;font-size:15px}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:.5s ease-out forwards fadeIn}.print-only{display:none}@media print{.no-print{display:none!important}.print-only{display:block!important}body{color:#000;font-size:12px}.results-section{border:none;padding:0}.section{max-width:100%;padding:0 20px}.print-header{text-align:center;border-bottom:2px solid #000;margin-bottom:20px;padding:20px 0}.print-logo{font-family:var(--font-body);margin-bottom:4px;font-size:24px;font-weight:700}.print-meta{color:#666;font-size:12px}.print-footer{text-align:center;color:#999;border-top:1px solid #ddd;margin-top:20px;padding:20px 0;font-size:10px}.timeline-container{break-inside:avoid;border:1px solid #ddd;padding:16px}.brain-frames-v2{flex-wrap:wrap;overflow:visible}.brain-frame-v2{width:100px}.brain-tooltip,.share-buttons,.email-report-section{display:none}.metrics-grid,.metric-card{break-inside:avoid}.metric-chart canvas{max-height:80px}.recommendations-section,.recommendation-card-v2{break-inside:avoid}.context-chips{display:none}@page{size:A4 portrait;margin:15mm}}@media (width<=768px){.hero-inner{text-align:center;grid-template-columns:1fr}.hero-text{max-width:100%}.hero-brain{display:none}.hero-text h1{font-size:36px}}@media (width<=640px){.nav-links{gap:16px}.hero-section{padding:60px 24px 80px}.upload-zone{padding:40px 20px}.timeline-container{padding:20px}.share-buttons,.about-links{flex-direction:column}.footer-top{text-align:center;flex-direction:column}.email-report-form{flex-direction:column}.rec-header{flex-direction:column;align-items:flex-start;gap:8px}.chip-group-options{gap:6px}.chip{padding:6px 12px;font-size:13px}}