:root{--font-sans:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--text-size:16px;--line:1.55;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-7:32px;--space-8:40px;--r-1:6px;--r-2:10px;--r-3:14px;--shadow-1:0 1px 2px rgba(0,0,0,.06);--shadow-2:0 6px 16px rgba(0,0,0,.1);--accent-strong:#6d3fd3;--accent-hover:#5b33b3;--accent-soft:rgba(109,63,211,.12);--success:#2f8f6b;--warning:#b7791f;--error:#c23a3a;--bg:#f5f6f8;--surface:#fff;--surface-2:#fff;--surface-soft:color-mix(in srgb,var(--surface) 92%,var(--bg));--surface-glass:color-mix(in srgb,var(--surface) 85%,transparent);--border:#e3e6ed;--text:#0e0e11;--text-muted:#6b7280;--focus-ring:0 0 0 4px var(--accent-soft);--container:1040px;--container-wide:1180px;--control-bg:var(--surface);--control-border:var(--border);--control-text:var(--text);--header-height:68px}:root[data-theme=dark]{--bg:#0f0f12;--surface:#15151b;--surface-2:#101016;--surface-soft:color-mix(in srgb,var(--surface) 85%,#fff);--surface-glass:color-mix(in srgb,var(--surface) 90%,#fff);--border:rgba(227,230,237,.16);--text:#e6e8ee;--text-muted:rgba(230,232,238,.66);--shadow-1:0 1px 2px rgba(0,0,0,.35);--shadow-2:0 10px 24px rgba(0,0,0,.45);--control-bg:hsla(0,0%,100%,.04);--control-border:rgba(227,230,237,.18);--control-text:var(--text)}*,:after,:before{box-sizing:border-box}html{font-size:var(--text-size)}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);line-height:var(--line);margin:0;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;background:repeating-radial-gradient(circle at 20% 30%,rgba(0,0,0,.015) 0,rgba(0,0,0,.015) 1px,transparent 1px,transparent 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