:root{--background:#121212;--surface:#1e1e1e;--surface-hover:#2a2a2a;--border:#333;--text-primary:#fff;--text-secondary:#a0a0a0;--primary:#3b82f6;--primary-hover:#2563eb;--danger:#ef4444;--danger-hover:#dc2626;--border-radius:8px;--transition:all .2s ease-in-out}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background);color:var(--text-primary);flex-direction:column;min-height:100vh;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;display:flex}button{cursor:pointer;background:0 0;border:none;outline:none;font-family:inherit}input{outline:none;font-family:inherit}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--surface)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}