:root{--primary: #4ECDC4;--primary-variant: #45B7AF;--secondary: #FF6B6B;--background: #F7F9FC;--surface: #FFFFFF;--surface-variant: #F0F3F8;--text-primary: #2C3E50;--text-secondary: #95A5A6;--transition-speed: .3s}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background:var(--background);color:var(--text-primary);line-height:1.6}button,a{transition:transform var(--transition-speed) ease,background var(--transition-speed) ease}button:hover,a:hover{transform:translateY(-2px)}button:active,a:active{transform:translateY(0)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--surface-variant)}::-webkit-scrollbar-thumb{background:var(--primary);border-radius:4px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.fade-in{animation:fadeIn .3s ease}.slide-in{animation:slideIn .4s ease}