:root{--primary-blue: #1a73e8;--accent-green: #34a853;--dark-gray: #121212;--medium-gray: #2a2a2a;--light-gray: #f5f5f5;--text-color: #f5f5f5}body{font-family:Inter,sans-serif;background-color:var(--dark-gray);color:var(--text-color);margin:0;padding:0}.header{background-color:var(--medium-gray);padding:1rem;display:flex;justify-content:center}.nav{display:flex;gap:1rem}.nav-link{color:var(--text-color);text-decoration:none;font-weight:600;transition:color .3s}.nav-link:hover{color:var(--accent-green)}.main-content{padding:2rem}html,body{height:100%}body{display:flex;flex-direction:column}.main-content{flex:1 0 auto;padding:2rem}.footer{background-color:var(--medium-gray);padding:1rem;text-align:center;flex-shrink:0}