:root{--color-primary:#1f2937;--color-primary-hover:#374151;--color-primary-active:#111827;--color-primary-light:#f3f4f6;--color-primary-ring:#1f29371f;--color-accent:#3b82f6;--color-accent-hover:#2563eb;--color-accent-light:#eff6ff;--color-sidebar:#fff;--color-sidebar-hover:#f5f5f5;--color-sidebar-active:#f0f0f0;--color-bg:#f8f9fb;--color-bg-alt:#f0f1f3;--color-card:#fff;--color-border:#e8eaed;--color-border-light:#f3f4f6;--color-border-hover:#d1d5db;--color-text:#000;--color-text-secondary:#52525b;--color-text-muted:#9ca3af;--color-text-placeholder:#c8ccd2;--color-success:#059669;--color-success-hover:#047857;--color-success-bg:#ecfdf5;--color-success-border:#a7f3d0;--color-warning:#d97706;--color-warning-hover:#b45309;--color-warning-bg:#fffbeb;--color-warning-border:#fde68a;--color-danger:#dc2626;--color-danger-hover:#b91c1c;--color-danger-bg:#fef2f2;--color-danger-border:#fecaca;--font-family:"PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "WenQuanYi Micro Hei", system-ui, -apple-system, sans-serif;--font-mono:"SF Mono", "Cascadia Code", "Consolas", "Fira Code", ui-monospace, monospace;--radius-sm:4px;--radius:6px;--radius-lg:10px;--space-xs:4px;--space-sm:8px;--space:12px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--shadow:0 1px 2px #0000000a;--shadow-md:0 2px 8px #0000000f;--shadow-lg:0 4px 16px #00000014;--transition:.15s cubic-bezier(.4, 0, .2, 1);--sidebar-width:200px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font-family);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:14px;line-height:1.6}#root{width:100%;min-height:100%}h1{letter-spacing:-.01em;font-size:1.5rem;font-weight:700}h2{font-size:1.25rem;font-weight:600}h3{font-size:1rem;font-weight:600}h1,h2,h3,h4,h5,h6,p{margin:0}button{cursor:pointer;transition:all var(--transition);font-family:inherit;font-size:14px}button:focus-visible{outline:2px solid var(--color-accent);outline-offset:1px;border-radius:3px}input,textarea,select{color:var(--color-text);transition:border-color var(--transition), box-shadow var(--transition);font-family:inherit;font-size:14px}input:focus,textarea:focus,select:focus{box-shadow:0 0 0 2px var(--color-accent-light);outline:none;border-color:var(--color-accent)!important}input::placeholder,textarea::placeholder{color:var(--color-text-placeholder)}a{color:var(--color-accent);transition:color var(--transition);text-decoration:none}a:hover{color:var(--color-accent-hover)}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:2px}::-webkit-scrollbar-thumb:hover{background:var(--color-border-hover)}@keyframes spin{to{transform:rotate(360deg)}}