:root{--color-bg: #f4f5f7;--color-surface: #ffffff;--color-border: #d9dce1;--color-text: #1f2328;--color-text-muted: #5b626b;--color-primary: #2f5ecf;--color-primary-dark: #24499e;--color-danger: #c62828;--color-danger-bg: #fdecea;--color-success: #2e7d32;--color-warning: #b26a00;--color-step-progress: #0d9488;--color-step-done: #374151;--color-sidebar-bg: #12162e;--color-sidebar-bg-alt: #171b34;--color-sidebar-text: #aab0d0;--color-sidebar-text-muted: #6b7094;--color-sidebar-active-start: #6d5ff5;--color-sidebar-active-end: #4c3fe0;--radius: 8px;color-scheme:light;font-family:Segoe UI,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--color-bg);color:var(--color-text)}#root{min-height:100vh}a{color:var(--color-primary)}h1,h2,h3{margin:0 0 .5em}.app-shell{min-height:100vh;display:flex}.app-sidebar{flex:0 0 240px;display:flex;flex-direction:column;background:var(--color-sidebar-bg);padding:1.25rem 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