:root{--color-primary: #667eea;--color-primary-dark: #5568d3;--color-success: #10b981;--color-success-dark: #059669;--color-danger: #ef4444;--color-danger-dark: #dc2626;--color-gray: #6b7280;--color-gray-dark: #4b5563;--color-gray-light: #e5e7eb;--color-text: #111827;--color-text-light: #6b7280;--color-bg: #f3f4f6;--color-white: #ffffff;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1)}html,body,#root{height:100%;margin:0;font-family:var(--font-family);background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}input,textarea,select{font-size:16px!important;font-family:var(--font-family)}.container{max-width:48rem;margin:0 auto;padding:1rem}.card{background:var(--color-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}