:root{--bg-primary:#09090b;--bg-header:#0d0d11;--bg-notepad:#0f0f13;--bg-sidebar:#070709;--border-color:#1f1f26;--border-light:#272730;--text-main:#f4f4f5;--text-muted:#71717a;--text-accent:#a78bfa;--text-purple-glow:#a78bfa26;--text-yellow:#fbbf24;--bg-block-hover:#16161c;--font-serif:"Georgia", "Cambria", "Times New Roman", Times, serif;--font-sans:-apple-system, BlinkMacSystemFont, "Pretendard", "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-main);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;width:100vw;height:100vh;overflow:hidden}.memo-app-shell{flex-direction:column;width:100vw;height:100vh;display:flex;overflow:hidden}.global-header-bar{background:var(--bg-header);border-bottom:1px solid var(--border-color);z-index:50;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);justify-content:space-between;align-items:center;height:56px;padding:0 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