:root{--color-bg:#ecf0f1;--color-app-bg:#f5f7fb;--color-panel-bg:#fff;--color-surface:#fff;--color-surface-alt:#f8f9fa;--color-surface-alt-strong:#edf2fb;--color-surface-muted:#f4f6f7;--color-surface-accent:#2563eb;--color-overlay:#0f172a8c;--color-backdrop:#0f172a8c;--color-text:#2c3e50;--color-text-muted:#7f8c8d;--color-border:#bdc3c7;--color-border-subtle:#e4e8f1;--color-card-bg:#fff;--color-card-border:#d5d8dc;--color-card-shadow:0 10px 30px #00000014;--color-card-shadow-strong:0 30px 70px #0f172a33;--color-input-bg:#fff;--color-input-border:#bdc3c7;--color-input-shadow:0 6px 18px #0f172a14;--color-hero:#1e73be;--color-hero-contrast:#fff;--color-nav-divider:#ffffff59;--color-nav-shadow:0 10px 30px #0f172a1f;--color-button:#2d89ef;--color-button-alt:#3498db;--color-button-primary:#2563eb;--color-button-primary-text:#f5f7ff;--color-button-accent:#f59e0b;--color-button-accent-text:#111827;--color-button-contrast:#fff;--color-button-shadow:0 10px 25px #0f172a1f;--color-chip-bg:#e8f4fc;--color-chip-border:#ecf0f1;--color-chip-text:#2c3e50;--color-chip:#e8f0ff;--color-chip-strong:#3498db;--color-contrast-on-primary:#fff;--color-callout-success:#e8f6f3;--color-callout-warning:#fef9e7;--color-callout-danger:#f9ebea;--color-primary:#3498db;--color-primary-contrast:#fff;--color-success:#27ae60;--color-success-bg:#e8f6f3;--color-success-text:#166534;--color-warning:#f39c12;--color-warning-border:#f6c868;--color-warning-surface:#fff8e1;--color-danger:#e74c3c;--color-danger-bg:#fdecea;--color-danger-text:#b42318;--color-info:#2980b9;--color-info-bg:#eaf4ff;--color-info-text:#1f57c3;--color-accent:#9b59b6;--color-muted:#95a5a6;--color-modal-surface:#fff;--color-modal-shadow:0 35px 80px #0f172a40;--color-scroll-thumb:#0f172a59;--color-scroll-track:#0f172a1f;--space-0:0;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--radius-1:4px;--radius-2:6px;--radius-3:8px;--radius-pill:999px;--shadow-1:0 2px 4px #0000001a;--shadow-2:0 4px 8px #0000001f;--shadow-card:var(--color-card-shadow);--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Roboto","Oxygen","Ubuntu","Cantarell","Fira Sans","Droid Sans","Helvetica Neue",sans-serif;--font-mono:source-code-pro,Menlo,Monaco,Consolas,"Courier New",monospace;--font-size-xs:12px;--font-size-sm:14px;--font-size-md:16px;--font-size-lg:18px;--font-size-xl:22px}body{margin:0;font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--color-bg);color:var(--color-text)}code{font-family:var(--font-mono)}