:root{--font-system:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI",Roboto,sans-serif;--font-mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;--bg-canvas:#f8fafc;--bg-surface:#ffffff;--bg-surface-secondary:#f1f5f9;--bg-surface-tertiary:#e2e8f0;--text-primary:#0f172a;--text-secondary:#475569;--text-tertiary:#64748b;--text-quaternary:#94a3b8;--border-subtle:rgba(15,23,42,0.08);--border-prominent:rgba(15,23,42,0.16);--accent-primary:#0066cc;--accent-primary-hover:#0052a3;--accent-primary-subtle:rgba(0,102,204,0.08);--accent-signal-success:#15803d;--accent-signal-success-bg:rgba(21,128,61,0.1);--accent-signal-warning:#b45309;--accent-signal-warning-bg:rgba(180,83,9,0.1);--accent-signal-danger:#b91c1c;--accent-signal-danger-bg:rgba(185,28,28,0.1);--glass-bg:rgba(255,255,255,0.82);--glass-blur:28px;--glass-saturate:160%;--glass-border:1px solid rgba(255,255,255,0.65);--glass-shadow:0 4px 20px rgba(0,0,0,0.04);--scrim-bg:rgba(15,23,42,0.45);--radius-xs:4px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px}@media (prefers-color-scheme:dark){:root{--bg-canvas:#090d16;--bg-surface:#111827;--bg-surface-secondary:#1a2233;--bg-surface-tertiary:#273142;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-tertiary:#64748b;--text-quaternary:#475569;--border-subtle:rgba(255,255,255,0.1);--border-prominent:rgba(255,255,255,0.22);--accent-primary:#0a84ff;--accent-primary-hover:#0070e0;--accent-primary-subtle:rgba(10,132,255,0.12);--glass-bg:rgba(17,24,39,0.82);--glass-border:1px solid rgba(255,255,255,0.14);--glass-shadow:0 12px 36px rgba(0,0,0,0.45);--scrim-bg:rgba(0,0,0,0.75)}}@media (prefers-reduced-transparency:reduce){:root{--glass-bg:var(--bg-surface);--glass-blur:0px}}*{box-sizing:border-box}body{margin:0;padding:0;font-family:var(--font-system);background-color:var(--bg-canvas);color:var(--text-primary);line-height:1.5;letter-spacing:-0.005em;-webkit-font-smoothing:antialiased}h1,.text-display{font-size:clamp(1.75rem,3vw + 0.5rem,2.5rem);font-weight:700;line-height:1.15;letter-spacing:-0.03em;margin:0 0 0.75rem 0}h2,.text-title{font-size:1.375rem;font-weight:600;letter-spacing:-0.02em;margin:0 0 0.5rem 0}h3,.text-headline{font-size:1.125rem;font-weight:600;letter-spacing:-0.015em;margin:0 0 0.5rem 0}p,.text-body{font-size:0.9375rem;line-height:1.5;margin:0 0 0.75rem 0}.text-small{font-size:0.8125rem;letter-spacing:0.015em}.text-micro{font-size:0.75rem;letter-spacing:0.02em}button,.btn,a.btn,input,select{min-height:40px}:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}button:active,.btn:active,.interactive-card:active{transform:scale(0.98);transition:transform 60ms ease}