:root{--primary: #1a73e8;--primary-dark: #1557b0;--primary-light: #e8f0fe;--secondary: #34a853;--secondary-dark: #2d8e47;--secondary-light: #e6f4ea;--accent: #f9ab00;--accent-light: #fef7e0;--danger: #ea4335;--danger-light: #fce8e6;--dark: #1f1f1f;--dark-secondary: #3c4043;--gray-100: #f8f9fa;--gray-200: #f1f3f4;--gray-300: #e0e0e0;--gray-400: #bdbdbd;--gray-500: #9e9e9e;--gray-600: #757575;--gray-700: #616161;--white: #ffffff;--bg: #f0f4f9;--card-shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);--card-shadow-hover: 0 4px 12px rgba(0,0,0,.1), 0 2px 4px rgba(0,0,0,.06);--card-shadow-lg: 0 8px 30px rgba(0,0,0,.12);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--transition: .2s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1);--font: "Segoe UI", system-ui, -apple-system, sans-serif;--max-width: 1200px}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font);color:var(--dark);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--gray-200)}::-webkit-scrollbar-thumb{background:var(--gray-400);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--gray-500)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}