@tailwind base;@tailwind components;@tailwind utilities;:root{--brand-50: #f5f7ff;--brand-100: #e6ebff;--brand-200: #c7d1ff;--brand-300: #a3b1ff;--brand-400: #7d8aff;--brand-500: #5c66f5;--brand-600: #4249e0;--brand-700: #353bb8;--brand-800: #2a2f8e;--brand-900: #1f236a;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--success: 22 163 74;--warning: 245 158 11;--danger: 220 38 38;--info: 37 99 235;--bg-page: 249 250 251;--bg-surface: 255 255 255;--bg-elevated: 255 255 255;--bg-hover: 243 244 246;--fg-default: 17 24 39;--fg-muted: 107 114 128;--fg-subtle: 156 163 175;--fg-inverse: 255 255 255;--border: 229 231 235;--border-strong:209 213 219;--ring: 60 80 220;--backdrop: 0 0 0;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);--shadow-md: 0 4px 12px rgba(15, 23, 42, .08);--shadow-lg: 0 12px 32px rgba(15, 23, 42, .1);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 14px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;font-family:var(--font-sans);-webkit-font-smoothing:antialiased}html.dark{--bg-page: 17 24 39;--bg-surface: 31 41 55;--bg-elevated: 31 41 55;--bg-hover: 55 65 81;--fg-default: 249 250 251;--fg-muted: 156 163 175;--fg-subtle: 107 114 128;--fg-inverse: 17 24 39;--border: 55 65 81;--border-strong:75 85 99;--ring: 120 140 240;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 4px 12px rgba(0, 0, 0, .5);--shadow-lg: 0 12px 32px rgba(0, 0, 0, .55);color-scheme:dark}body{margin:0;min-height:100vh;background-color:rgb(var(--bg-page));color:rgb(var(--fg-default));font-family:var(--font-sans);transition:background-color .2s,color .2s}html.dark input,html.dark select,html.dark textarea{background-color:rgb(var(--bg-elevated));color:rgb(var(--fg-default));border-color:rgb(var(--border-strong))}html.dark input::placeholder,html.dark textarea::placeholder{color:rgb(var(--fg-subtle))}html.dark ::-webkit-scrollbar-track{background:rgb(var(--bg-page))}html.dark ::-webkit-scrollbar-thumb{background:rgb(var(--border-strong))}*{box-sizing:border-box}::selection{background:var(--brand-200);color:var(--gray-900)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:rgb(var(--border-strong));border-radius:999px}::-webkit-scrollbar-thumb:hover{background:rgb(var(--fg-subtle))}::-webkit-scrollbar-track{background:transparent}:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}