:root{--color-primary: #00C853;--color-primary-dark: #009624;--color-secondary: #FFF9C4;--color-accent: #FFAB91;--color-bg: #FFFFFF;--color-surface: #F9FAFB;--color-text: #212121;--color-text-light: #757575;--color-success: #69F0AE;--color-error: #FF5252;--color-bubble-user: #FFF59D;--color-bubble-ai: #FFFFFF;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--font-family: "Nanum Gothic", -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;--font-family-heading: "Jua", cursive;--font-size-base: 16px;--font-size-sm: 14px;--font-size-lg: 18px;--font-size-xl: 24px;--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--radius-xl: 32px;--radius-full: 9999px}*{box-sizing:border-box}body{margin:0;padding:0;font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text);font-size:var(--font-size-base);line-height:1.5}button{cursor:pointer;font-family:inherit}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ced4da;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#adb5bd}