:root{--color-bg: #0f1117;--color-surface: #161b22;--color-surface-2: #21262d;--color-border: #30363d;--color-text: #e6edf3;--color-muted: #8b949e;--color-accent: #1f6feb;--color-accent-hover: #388bfd;--color-success: #3fb950;--color-warning: #d29922;--color-error: #f85149;--color-error-bg: #2d1a1a;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji";--font-mono: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, "Liberation Mono", monospace;--nav-width: 220px;--header-height: 52px}*,*:before,*:after{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--color-accent-hover);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit}input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}@keyframes pulse-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-surface)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-muted)}