:root{--color-primary: #1a237e;--color-primary-light: #3949ab;--color-danger: #e53935;--color-bg: #f5f7ff;--color-surface: #ffffff;--color-text: #212121;--color-text-secondary: #757575;--color-border: #e0e0e0;--font-family: "Segoe UI", system-ui, -apple-system, sans-serif;--radius-sm: 8px;--radius-md: 12px}*,*:before,*:after{box-sizing:border-box}body{margin:0;padding:0;font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text);overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}input,button,select,textarea{font-family:inherit;font-size:inherit}img,video{max-width:100%;display:block}ul,ol{list-style:none;margin:0;padding:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}html{scroll-behavior:smooth}::selection{background-color:var(--color-primary);color:#fff}