:root{--font-primary: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;--bg-app: #f8fafc;--bg-surface: #ffffff;--text-primary: #111111;--accent-red: #df0000;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 18px;--transition-fast: .18s cubic-bezier(.16, 1, .3, 1);--transition-smooth: .35s cubic-bezier(.16, 1, .3, 1)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-primary);background-color:#f1f5f9;color:var(--text-primary);min-height:100vh;overflow-x:hidden;line-height:1.5;-webkit-font-smoothing:antialiased}button,input,select,textarea{font-family:inherit;outline:none}.app-container{max-width:1100px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;background:#fff;box-shadow:0 0 30px #00000014;position:relative}.main-content{flex:1}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f5f9}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}