:root{--pastel-lavender: #C8B6FF;--pastel-mint: #B8E0D2;--pastel-peach: #FFB5A7;--pastel-yellow: #FFF3B0;--text-primary: #2D3142;--text-secondary: #4F5D75;--text-muted: #8D99AE;--color-correct: #95D5B2;--color-incorrect: #F4978E;--bg-primary: #FAF8FF;--bg-card: #FFFFFF;--bg-overlay: rgba(45, 49, 66, .5);--answer-a: var(--pastel-peach);--answer-b: var(--pastel-lavender);--answer-c: var(--pastel-mint);--answer-d: var(--pastel-yellow);--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--radius-sm: .5rem;--radius-md: .75rem;--radius-lg: 1rem;--radius-xl: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(45, 49, 66, .08);--shadow-md: 0 4px 12px rgba(45, 49, 66, .1);--shadow-lg: 0 8px 24px rgba(45, 49, 66, .12);--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.25rem;--text-xl: 1.5rem;--text-2xl: 2rem;--text-3xl: 2.5rem;--text-4xl: 3.5rem;--text-5xl: 4.5rem}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{min-height:100vh;min-height:100dvh;color:var(--text-primary);background:var(--bg-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button{font-family:inherit;cursor:pointer;border:none;font-size:inherit}input{font-family:inherit;font-size:inherit}h1,h2,h3,h4{font-weight:700;line-height:1.2;color:var(--text-primary)}#app{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}