*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary:#080808;--bg-secondary:#0f0f0f;--bg-card:#111;--bg-card-hover:#161616;--border:#ffffff1c;--border-hover:#ffffff38;--text-primary:#f0f0f0;--text-secondary:#a8a8a8;--text-muted:#787878;--accent:#6366f1;--accent-hover:#818cf8;--accent-glow:#6366f126}html{scroll-behavior:smooth}body{background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;font-family:Inter,Noto Sans KR,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6}.app-shell{flex-direction:column;min-height:100vh;display:flex}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;outline:none;font-family:inherit}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:#222;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#333}::selection{background:var(--accent-glow);color:var(--text-primary)}