:root{--color-bg: #f7f8fa;--color-surface: #ffffff;--color-sidebar: #10131a;--color-sidebar-text: #c7ccd6;--color-sidebar-text-active: #ffffff;--color-sidebar-active: #1e2430;--color-border: #e4e7ec;--color-primary: #2f6fed;--color-text: #1a1d23;--color-text-muted: #6b7280;--sidebar-width: 240px;--sidebar-width-collapsed: 64px;--header-height: 56px;--radius: 8px;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--color-text)}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{background:var(--color-bg)}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}.app-layout{display:grid;grid-template-columns:auto 1fr;height:100%}.app-layout__main{display:flex;flex-direction:column;min-width:0}.app-header{height:var(--header-height);display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 20px;border-bottom:1px solid 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