:root{--blue:#3182f6;--bg:#f7f8fa;--text:#191f28;--muted:#6b7684;--line:#e5e8eb;--white:#fff;--danger:#f04452}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 Arial,"Noto Sans KR",sans-serif}a{text-decoration:none;color:inherit}button,input,textarea,select{font:inherit}.app-shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:#fff;border-right:1px solid var(--line);padding:28px 20px;display:flex;flex-direction:column}.brand,.logo{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:var(--blue);color:#fff;font-weight:800;font-size:18px}.sidebar nav{display:grid;gap:6px;margin-top:36px}.sidebar nav a,.sidebar nav span{padding:12px 14px;border-radius:10px}.sidebar nav a:hover{background:#f2f4f6}.sidebar nav span{color:#adb5bd}.sidebar 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form+form{margin-top:24px}@media(max-width:1050px){.workspace-grid{grid-template-columns:1fr}}@media(max-width:800px){.app-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto;flex-direction:row;align-items:center;padding:12px 18px}.sidebar nav{display:flex;margin:0 0 0 16px;overflow:auto}.sidebar nav a,.sidebar nav span{white-space:nowrap}.sidebar form{margin:0 0 0 auto}.main{padding:24px 16px}.stat-grid{grid-template-columns:repeat(2,1fr)}.workspace-hero{flex-direction:column}.hero-actions{align-items:stretch}.topbar h1{font-size:23px}}@media(max-width:500px){.stat-grid{grid-template-columns:1fr}.sidebar nav span{display:none}.simple-list div{grid-template-columns:1fr}.toolbar{align-items:stretch;flex-direction:column}.search{max-width:none}.panel{padding:18px}.panel-head{align-items:flex-start}.panel-head .primary{padding:9px 12px}.anchor-nav{overflow:auto}.anchor-nav 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