:root{--c-900: #212529;--c-800: #343a40;--c-700: #495057;--c-600: #6c757d;--c-400: #adb5bd;--c-300: #ced4da;--c-100: #e9ecef;--c-50: #f5f6f7;--white: #ffffff;--ok: #2f9e44;--warn: #e8590c;--danger: #d9480f;--focus: #1c7ed6;--radius: 10px;--shadow: 0 1px 3px rgb(33 37 41 / 10%);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--c-900);background:var(--c-50)}*{box-sizing:border-box}body{margin:0;font-size:15px;line-height:1.5}h1,h2,h3,h4{margin:0;font-weight:700}button{font:inherit;cursor:pointer}input,select,textarea{font:inherit}a{color:var(--c-700)}.install-icon{font-size:1rem;line-height:1}.app{display:flex;min-height:100vh}.sidebar{width:240px;flex-shrink:0;background:var(--c-900);color:var(--c-300);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;z-index:40}.sidebar .brand{padding:22px 20px 18px;border-bottom:1px solid var(--c-800)}.sidebar .brand 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