html[data-workspace-route] #landing{display:none!important}
html[data-workspace-route] #workspace[hidden]{display:grid!important}
html[data-workspace-route] #work-main:empty{min-height:360px}
html[data-workspace-route] #work-main:empty::before{content:'正在打开工作空间…';display:block;padding:32px;color:var(--subtle);font-size:14px}
html[data-workspace-route='/workspace/settings'] .sidebar a[href='/workspace'],html[data-workspace-route='/workspace/dashboard'] .sidebar a[href='/workspace']{background:transparent}
html[data-workspace-route='/workspace/settings'] .sidebar a[href='/workspace/settings'],html[data-workspace-route='/workspace/dashboard'] .sidebar a[href='/workspace/dashboard']{background:var(--selection);color:var(--nav-active)}
/* Narrow desktop windows retain the same navigation without a full-width rail. */
@media(max-width:1280px){
  #workspace .sidebar{position:fixed;inset:0 auto 0 0;width:62px;height:100dvh;padding:14px 7px;z-index:20;overflow-y:auto}
  #workspace .sidebar .brand{display:block;padding:0;margin:0;text-align:center;font-size:0;line-height:32px}
  #workspace .sidebar .brand::before{content:'SA';font-size:17px;font-weight:700}
  #workspace .sidebar .brand span,#workspace .sidebar .space-name,#workspace .sidebar .sidebar-bottom{display:none}
  #workspace .sidebar nav{display:flex;flex-direction:column;gap:5px;padding:12px 0 0;overflow:visible}
  #workspace .sidebar nav a,#workspace .sidebar nav button{display:flex;align-items:center;justify-content:center;width:100%;min-height:42px;padding:9px 0;gap:0;font-size:18px}
  #workspace .sidebar nav a span,#workspace .sidebar nav button span{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
  #workspace .sidebar nav svg{width:21px;height:21px}
  #workspace .workspace-body{margin-left:62px;min-width:0;max-width:calc(100vw - 62px)}
  #workspace .work-header{height:48px;padding:0 14px;gap:10px;font-size:12px}
  #workspace #work-main{width:100%;min-width:0;padding:16px 14px 24px}
}
@media(max-width:450px){
  #workspace .sidebar{width:48px;padding-inline:4px}
  #workspace .workspace-body{margin-left:48px;max-width:calc(100vw - 48px)}
  #workspace .work-header{padding-inline:10px}
  #workspace #work-main{padding:12px 8px 20px}
}