:root{--bg-primary:#0a0a0a;--bg-secondary:#111;--bg-tertiary:#1a1a1a;--bg-hover:#252525;--border-color:#2a2a2a;--text-primary:#e5e5e5;--text-secondary:#888;--text-muted:#555;--accent-color:#22d3ee;--accent-hover:#06b6d4;--error-color:#ef4444;--success-color:#22c55e}*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;overflow:hidden}body{background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}::selection{background-color:var(--accent-color);color:var(--bg-primary)}.mono{font-family:SF Mono,Fira Code,Fira Mono,Roboto Mono,Monaco,Consolas,monospace}:focus-visible{outline:2px solid var(--accent-color);outline-offset:2px}button{color:inherit;cursor:pointer;font:inherit;background:0 0;border:none}input{color:inherit;font:inherit;background:0 0;border:none}input::placeholder{color:var(--text-muted)}