:root{color-scheme:light;--bg: #ffffff;--surface: #f6f8fb;--surface-strong: #eef3f8;--text: #172033;--muted: #667085;--subtle: #8a95a7;--border: #d9e1ec;--border-strong: #c3cfdd;--accent: #1d5fd1;--accent-strong: #164da8;--accent-soft: #e8f1ff;--success: #12715b;--success-soft: #e7f6f1;--error: #b42318;--error-soft: #fff0ee;--shadow: 0 24px 60px rgba(19, 33, 68, .12);font-family:Inter,Segoe UI,Microsoft YaHei,PingFang SC,Noto Sans CJK SC,system-ui,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html,body,#root{width:100%;min-width:320px;height:100%;margin:0;overflow:hidden}body{background:var(--bg);color:var(--text)}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}.app-shell{display:grid;grid-template-columns:260px 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