/* ===== Base / Reset ===== */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Google Sans Text','Google Sans','PingFang SC',-apple-system,sans-serif;background:#F8F9FA;color:var(--md-on-surface);min-height:100vh;overflow:hidden}
#app-shell{display:flex;height:100vh}
.page-content{flex:1;display:none;overflow:hidden;position:relative}.page-content.active{display:flex;flex-direction:column}
.page-content>.agent-mgmt,.page-content>.eff-page,.page-content>.sub-page,.page-content>.adclaw-layout{flex:1;width:100%;min-width:0;min-height:0}