:root{--color-bg-primary:#fff;--color-bg-sidebar:#fafafa;--color-bg-hover:#f5f5f5;--color-text-primary:#1a1a1a;--color-text-secondary:#666;--color-text-tertiary:#999;--color-text-disabled:#ccc;--color-border:#e5e5e5;--color-accent:#000;--color-accent-inverse:#fff;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--radius-sm:4px;--radius-md:8px;--transition-fast:.15s ease;--sidebar-width:200px;--sidebar-width-collapsed:56px;--bottom-nav-height:56px;--touch-target-min:44px;--color-danger:#dc2626;--color-danger-bg:#fef2f2;--color-warning:#ea580c;--color-warning-bg:#fff7ed;--color-success:#16a34a;--color-success-bg:#f0fdf4;--color-chart-fill:#1a1a1a;--color-chart-empty:#eaeaea;--color-chart-bg:#f5f5f5;--color-chart-grid:#e5e5e5;--chart-cell-size:10px;--chart-cell-gap:2px}.checkbox{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--color-bg-primary);border:1.5px solid var(--color-border);border-radius:3px;cursor:pointer;flex-shrink:0;height:16px;transition:all var(--transition-fast);width:16px}.checkbox:checked{background-color:var(--color-accent);background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 16 16'%3E%3Cpath d='M12.207 4.793a1 1 0 0 1 0 1.414l-5 5a1 1 0 0 1-1.414 0l-2-2a1 1 0 0 1 1.414-1.414L6.5 9.086l4.293-4.293a1 1 0 0 1 1.414 0'/%3E%3C/svg%3E");background-position:50%;background-repeat:no-repeat;background-size:12px;border-color:var(--color-accent)}.checkbox:hover:not(:checked){border-color:var(--color-text-secondary)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@supports (-webkit-touch-callout:none){input,select,textarea{font-size:16px!important}}html{touch-action:manipulation}