:root{--color-bg: #f8f9fa;--color-surface: #ffffff;--color-surface-elevated: #ffffff;--color-border: #e9ecef;--color-text: #212529;--color-text-primary: #212529;--color-text-secondary: #6c757d;--color-text-muted: #adb5bd;--color-health: #0d9488;--color-health-light: #ccfbf1;--color-health-surface: #f0fdfa;--color-exercise: #d97706;--color-exercise-light: #fef3c7;--color-exercise-surface: #fffbeb;--color-eating: #16a34a;--color-eating-light: #dcfce7;--color-eating-surface: #f0fdf4;--font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.25rem;--font-size-xl: 1.5rem;--font-size-2xl: 2rem;--font-size-3xl: 3rem;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.04);--transition-fast: .15s ease;--transition-normal: .25s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased}body{font-family:var(--font-family);color:var(--color-text);background:var(--color-bg);line-height:1.5}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;background:none;font:inherit}input,textarea,select{font:inherit}.card{background:var(--color-surface);border-radius:var(--radius-lg);padding:var(--space-5);box-shadow:var(--shadow-sm);border:1px solid var(--color-border)}.card-health{border-left:4px solid var(--color-health)}.card-exercise{border-left:4px solid var(--color-exercise)}.card-eating{border-left:4px solid var(--color-eating)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}:focus-visible{outline:2px solid var(--color-health);outline-offset:2px;border-radius:var(--radius-sm)}@media(max-width:768px){:root{--font-size-2xl: 1.5rem;--font-size-xl: 1.25rem}}