:root{--color-brand-green:#34a853;--color-brand-orange:#f80;--color-brand-blue:#00c6ff;--color-brand-magenta:#ff6b6b;--color-neutral-50:#fff;--color-neutral-100:#f8fafc;--color-neutral-200:#f1f5f9;--color-neutral-300:#e2e8f0;--color-neutral-400:#cbd5e1;--color-neutral-500:#94a3b8;--color-neutral-600:#64748b;--color-neutral-700:#475569;--color-neutral-800:#2c3e50;--color-neutral-900:#1a2533;--color-semantic-success:#34a853;--color-semantic-warning:#f80;--color-semantic-info:#00c6ff;--color-semantic-error:#ff6b6b;--color-surface-background:#f8fafc;--color-surface-card:#fff;--color-surface-overlay:rgba(15,23,42,.45);--spacing-xs:4px;--spacing-sm:8px;--spacing-md:12px;--spacing-base:16px;--spacing-lg:20px;--spacing-xl:24px;--spacing-2xl:32px;--spacing-3xl:40px;--spacing-4xl:56px;--radius-none:0px;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--radius-2xl:28px;--radius-pill:999px;--font-size-xs:11px;--font-size-sm:13px;--font-size-base:15px;--font-size-md:17px;--font-size-lg:20px;--font-size-xl:24px;--font-size-2xl:28px;--font-size-3xl:34px;--font-size-4xl:44px;--font-weight-regular:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--font-family-display:"SF Pro Display","PingFang SC","Source Han Sans SC","Noto Sans",Inter,system-ui,sans-serif;--font-family-text:"SF Pro Text","PingFang SC","Source Han Sans SC","Noto Sans",Inter,system-ui,sans-serif;--font-family-mono:"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;--elevation-none:none;--elevation-card:0 1px 2px rgba(15,23,42,.06),0 1px 6px rgba(15,23,42,.04);--elevation-sheet:0 8px 24px rgba(15,23,42,.12);--elevation-modal:0 16px 40px rgba(15,23,42,.18);--touch-target-min:44px}*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:var(--font-family-text);color:var(--color-neutral-800);background:var(--color-surface-background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--color-brand-green);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{font-family:var(--font-family-display);color:var(--color-neutral-900);margin:0}