*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0d1117;--bg-secondary: #161b22;--bg-card: #1a1e24;--text-primary: #c9d1d9;--text-secondary: #8b949e;--accent-blue: #58a6ff;--accent-green: #2ea043;--border-color: #30363d;--error-red: #f85149;--success-green: #3fb950}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6}body.light-mode{--bg-primary: #ffffff;--bg-secondary: #f6f8fa;--bg-card: #ffffff;--text-primary: #24292f;--text-secondary: #57606a;--border-color: #d0d7de;--accent-blue: #0969da}.container{max-width:1400px;margin:0 auto;padding:0 20px}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .3s ease-in-out}.loader{width:40px;height:40px;border:3px solid var(--border-color);border-top-color:var(--accent-blue);border-radius:50%;animation:spin .8s linear infinite}.loader-small{width:20px;height:20px;border:2px solid var(--border-color);border-top-color:var(--accent-blue);border-radius:50%;animation:spin .6s linear infinite}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--text-secondary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent-blue)}@media (max-width: 768px){.container{padding:0 15px}.main-grid{grid-template-columns:1fr!important;gap:20px!important}.user-details-grid{grid-template-columns:1fr!important}}