:root{--canvas: #e8e9e4;--panel: #f7f7f3;--panel-strong: #ffffff;--ink: #151716;--muted: #737974;--line: #cfd2cb;--orange: #ff5a36;--green: #91b40d;--blue: #2351ff;--sidebar: 248px;font-family:Avenir Next,Century Gothic,Trebuchet MS,sans-serif;color:var(--ink);background:var(--canvas);font-synthesis:none}*{box-sizing:border-box}html,body,#app{width:100%;height:100%}body{margin:0;overflow:hidden;background:var(--canvas)}button,input,select{font:inherit}button{color:inherit}[hidden]{display:none!important}.app-shell{width:100%;height:100%;max-width:100vw;overflow:hidden}.workspace{display:grid;grid-template-columns:var(--sidebar) minmax(0,1fr);width:100%;height:100%;min-width:0;min-height:0;overflow:hidden}.sequence-nav{position:relative;z-index:20;display:grid;grid-template-rows:auto auto minmax(0,1fr) auto;min-width:0;min-height:0;border-right:1px solid var(--line);background:var(--panel)}.brand{display:grid;gap:13px;padding:16px 20px;border-bottom:1px solid 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