*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg: #0a0a0a;--color-surface: #141414;--color-surface-hover: #1e1e1e;--color-border: #2a2a2a;--color-text: #e5e5e5;--color-text-secondary: #a0a0a0;--color-accent: #4f8cff;--color-accent-hover: #3a7af0;--color-success: #34c759;--color-error: #ff453a;--max-width: 1080px}html{font-size:16px;background-color:#0a0a0a}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--color-bg);color:var(--color-text);line-height:1.6;-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1;width:100%;max-width:var(--max-width);margin:0 auto;padding:2rem 1.5rem}a{color:var(--color-accent);text-decoration:none}a:hover{color:var(--color-accent-hover)}h1,h2,h3{line-height:1.2;font-weight:600}h1{font-size:2.5rem}h2{font-size:1.75rem}h3{font-size:1.25rem}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit;font-size:1rem}