*,*:before,*:after{box-sizing:border-box}:root{--color-bg: #f8fafc;--color-surface: #ffffff;--color-surface-alt: #f1f5f9;--color-border: #e2e8f0;--color-text: #0f172a;--color-muted: #64748b;--color-primary: #4f46e5;--color-success: #10b981;--color-warning: #f59e0b;--color-danger: #ef4444}@media(prefers-color-scheme:dark){:root{--color-bg: #0f172a;--color-surface: #1e293b;--color-surface-alt: #162032;--color-border: #334155;--color-text: #f1f5f9;--color-muted: #94a3b8}}html,body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}h1,h2,h3,h4{margin:0;line-height:1.2}p{margin:0}button,input,select,textarea{font-family:inherit}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-muted)}