:root{--color-primary:#0795bb;--color-primary-dark:#066a88;--color-primary-light:#57ab48;--color-text-primary:#333;--color-text-secondary:#666;--color-text-muted:#999;--color-bg-primary:#fff;--color-bg-secondary:#f9f9f9;--color-bg-tertiary:#f0f0f0;--color-border:#ddd;--color-border-light:#eee;--color-success:#57ab48;--color-danger:#d9534f;--color-warning:#f0ad4e;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:12px;--spacing-lg:16px;--spacing-xl:24px;--spacing-xxl:32px;--font-size-xs:11px;--font-size-sm:12px;--font-size-base:14px;--font-size-md:16px;--font-size-lg:18px;--font-size-xl:24px;--font-size-xxl:28px;--radius-sm:2px;--radius-md:4px;--radius-lg:8px;--shadow-sm:0 1px 3px rgba(0,0,0,.1);--shadow-md:0 2px 8px rgba(0,0,0,.1);--shadow-lg:0 4px 16px rgba(0,0,0,.15);--transition-fast:.15s ease;--transition-base:.2s ease;--transition-slow:.3s ease}