:root{--paper: #f4f5f1;--ink: #161a17;--card: #ffffff;--line: #e1e3dc;--muted: #6b7268;--zone-under: #4c7ea8;--zone-sweet: #4f8f6b;--zone-moderate: #d79a3c;--zone-high: #c1553c;--mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.5}.app{max-width:780px;margin:0 auto;padding:32px 20px 60px}.app-header{margin-bottom:24px}.wordmark{font-family:var(--sans);font-weight:800;font-size:28px;letter-spacing:-.02em;text-transform:uppercase}.wordmark-accent{color:var(--zone-sweet)}.tagline{margin:2px 0 0;color:var(--muted);font-size:14px}.error-banner{background:#fbeae5;border:1px solid var(--zone-high);color:#7a2c1a;padding:12px 14px;border-radius:4px;font-size:13px;margin-bottom:20px}.hero{background:var(--ink);color:#f2f2ee;border-radius:8px;padding:28px 24px 24px;margin-bottom:20px}.hero-top{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;flex-wrap:wrap;margin-bottom:22px}.hero-eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#a7ada2;margin-bottom:6px}.hero-value{font-family:var(--mono);font-size:48px;font-weight:700;line-height:1}.hero-risk-label{display:inline-block;margin-top:8px;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;padding:3px 10px;border-radius:2px}.hero-risk-label--undertrained{background:var(--zone-under);color:#fff}.hero-risk-label--sweet-spot{background:var(--zone-sweet);color:#fff}.hero-risk-label--moderate-risk{background:var(--zone-moderate);color:#241a05}.hero-risk-label--high-risk{background:var(--zone-high);color:#fff}.hero-recommendation{max-width:32ch;font-size:14px;color:#cfd3c8;margin:0}.hero-empty .hero-eyebrow{font-size:13px}.hero-empty .hero-recommendation{max-width:44ch;color:#cfd3c8}.gauge-track{position:relative;display:flex;height:14px;border-radius:4px;overflow:visible}.gauge-zone{height:100%;opacity:.55;transition:opacity .15s ease}.gauge-zone:first-child{border-radius:4px 0 0 4px}.gauge-zone:last-child{border-radius:0 4px 4px 0}.gauge-zone--active{opacity:1}.gauge-marker{position:absolute;top:-10px;transform:translate(-50%);display:flex;flex-direction:column;align-items:center}.gauge-marker-line{width:2px;height:34px;background:#f2f2ee}.gauge-marker-value{font-family:var(--mono);font-size:11px;color:#f2f2ee;margin-top:2px;white-space:nowrap}.gauge-labels{display:flex;justify-content:space-between;margin-top:10px;font-family:var(--mono);font-size:10px;letter-spacing:.02em;color:#a7ada2;text-transform:uppercase}.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:20px 22px;margin-bottom:20px}.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;flex-wrap:wrap;gap:10px}.card-head h2{font-family:var(--mono);font-size:14px;text-transform:uppercase;letter-spacing:.04em;margin:0}.hint{color:var(--muted);font-size:13px}.chart-empty{color:var(--muted);font-size:13px;padding:40px 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