*,:after,:before{box-sizing:border-box;margin:0;padding:0}body,html{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;font-size:16px;line-height:1.6;color:var(--color-text);background:var(--color-bg)}:root{--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-success:#10b981;--color-warning:#f59e0b;--color-error:#ef4444;--color-critical:#dc2626;--color-info:#3b82f6;--color-text:#1f2937;--color-text-muted:#6b7280;--color-text-light:#9ca3af;--color-bg:#ffffff;--color-bg-secondary:#f9fafb;--color-bg-tertiary:#f3f4f6;--color-border:#e5e7eb;--color-border-hover:#d1d5db;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--radius-sm:0.25rem;--radius-md:0.5rem;--radius-lg:0.75rem;--shadow-sm:0 1px 2px 0 rgba(0,0,0,0.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.1),0 2px 4px -1px rgba(0,0,0,0.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -2px rgba(0,0,0,0.05)}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;color:var(--color-text)}a{color:var(--color-primary);text-decoration:none;transition:color .2s}a:hover{color:var(--color-primary-hover)}button{font-family:inherit;font-size:1rem;cursor:pointer;border:none;transition:all .2s}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{font-family:inherit;font-size:1rem;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--spacing-sm) var(--spacing-md);transition:border-color .2s}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-primary)}