:root{--bg:#fff;--surface:#fff;--surface-2:#f6f7fa;--ink:#0d0d12;--muted:#6b6b7b;--line:#ebebf0;--line-strong:#d6d6e0;--accent:#6d28d9;--accent-soft:#f3eefd;--accent-deep:#55209f;--c-score:#15803d;--c-talk:#6d28d9;--c-pace:#0a61c9;--c-think:#b45309;--c-words:#be185d;--good:#15803d;--warn:#b45309;--bad:#b3261e;--radius:14px;--shadow:0 1px 2px rgba(13,13,18,.05),0 4px 16px rgba(13,13,18,.04);--shadow-lift:0 1px 2px rgba(13,13,18,.06),0 8px 26px rgba(13,13,18,.07);--sidebar:248px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}h1,h2,h3{margin:0;letter-spacing:-.022em;font-weight:750}h1{font-size:27px}h2{font-size:19px}p{margin:0}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;background:var(--surface-2);padding:2px 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