:root{--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-primary-light: #60a5fa;--color-surface-base: #ffffff;--color-surface-subtle: #f9fafb;--color-surface-muted: #f3f4f6;--color-surface-accent: #f0f4f8;--color-text-primary: #0f172a;--color-text-secondary: #475569;--color-text-tertiary: #94a3b8;--color-border-light: #e2e8f0;--color-border-default: #cbd5e1;--color-border-strong: #94a3b8;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-danger: #ef4444;--color-danger-hover: #dc2626;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.25rem;--text-xl: 1.563rem;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--radius-sm: .375rem;--radius-md: .5rem}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;color:var(--color-text-primary);background-color:var(--color-surface-subtle);line-height:1.5}#app{min-height:100vh}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit}a{color:var(--color-primary);text-decoration:none}a:hover{color:var(--color-primary-hover)}