/* Hover expansion overlays the workspace; pinning explicitly reserves the full width. */
@media(min-width:901px){
  .shell.sidebar-rail{grid-template-columns:60px minmax(0,1fr)}
  .shell.sidebar-rail.sidebar-pinned{grid-template-columns:238px minmax(0,1fr)}
  .sidebar-rail>.sidebar{width:60px;min-width:0;padding:12px 8px;z-index:30;overflow:hidden}
  .sidebar-rail>.sidebar.rail-expanded{width:238px;box-shadow:6px 0 18px #10223e20}
  .sidebar-rail.sidebar-pinned>.sidebar{box-shadow:none}
  .sidebar-rail .logo{position:relative;padding:8px 4px 14px;min-height:55px;font-size:0;letter-spacing:0;white-space:nowrap}
  .sidebar-rail .logo::before{content:'51HCM\A 117';display:block;text-align:center;white-space:pre;font-size:11px;line-height:15px;font-weight:750;color:#fff}
  .sidebar-rail .logo small{display:none}
  .sidebar-rail .rail-expanded .logo{padding:8px 12px 14px;font-size:14px;letter-spacing:.06em}
  .sidebar-rail .rail-expanded .logo::before{display:none}
  .sidebar-rail .rail-expanded .logo small{display:block}
  .sidebar-rail .sidebar-pin{display:flex;align-items:center;gap:10px;width:100%;min-height:32px;padding:6px 12px;margin:0 0 10px;border:1px solid #ffffff25;border-radius:6px;background:#ffffff08;color:#b9cae0;font-size:12px;text-align:left;white-space:nowrap}
  .sidebar-pin-icon{width:18px;flex-shrink:0;text-align:center;font-size:17px}
  .sidebar-rail .sidebar-pin:hover{background:#ffffff15;color:#fff}
  .sidebar-rail .sidebar-pin[aria-pressed=true]{color:#fff;border-color:#85b5e1}
  .sidebar-rail .sidebar-label{display:none}
  .sidebar-rail .rail-expanded .sidebar-label{display:inline;min-width:0}
  .sidebar-rail .nav-btn{width:44px;min-height:42px;padding:10px 11px;justify-content:center;gap:0}
  .sidebar-rail .nav-icon{width:22px;flex:0 0 22px}
  .sidebar-rail .rail-expanded .nav-btn{width:100%;justify-content:flex-start;gap:10px;padding:10px 12px}
  .sidebar-rail .nav-label{height:1px;font-size:0;margin:13px 7px 8px;border-top:1px solid #ffffff20}
  .sidebar-rail .rail-expanded .nav-label{height:auto;font-size:10px;letter-spacing:.14em;margin:18px 12px 8px;border:0}
  .sidebar-rail .sidebar:not(.rail-expanded) .schedule-group-menu,.sidebar-rail .sidebar:not(.rail-expanded) .config-menu,.sidebar-rail .sidebar:not(.rail-expanded) .config-toggle,.sidebar-rail .sidebar:not(.rail-expanded) .nav-group-chevron{display:none}
  .sidebar-rail .rail-expanded .schedule-group-menu .nav-btn{font-size:13px;padding:8px;gap:7px}
  .sidebar-rail .rail-expanded .config-menu .nav-btn{font-size:12px;padding:8px 5px;gap:5px}
  .sidebar-rail .sidebar-foot{left:8px;right:8px;bottom:12px;font-size:0;padding-top:10px;white-space:nowrap}
  .sidebar-rail .sidebar-foot::after{content:'117';display:block;font-size:11px;text-align:center;color:#8eacd0}
  .sidebar-rail .rail-expanded .sidebar-foot{left:14px;right:14px;font-size:12px}
  .sidebar-rail .rail-expanded .sidebar-foot::after{display:none}
  .sidebar-rail .sidebar nav{max-height:calc(100dvh - 205px);overflow-x:hidden}
  .sidebar-rail .sidebar button:focus-visible{outline:2px solid #8fc4f4;outline-offset:-2px}
}
@media(min-width:901px){
  .sidebar-rail .logo,.sidebar-rail .rail-expanded .logo{height:60px;min-height:60px}
  .sidebar-rail .sidebar-pin{position:absolute;bottom:12px;right:16px;width:28px;height:28px;min-height:28px;padding:4px;margin:0;justify-content:center;gap:0;border-radius:5px;z-index:2}
  .sidebar-rail .rail-expanded .sidebar-pin{right:12px}
  .sidebar-rail .sidebar-pin .sidebar-label{display:none}
  .sidebar-rail .sidebar-pin-icon{font-size:16px;width:18px}
  .sidebar-rail .sidebar-foot{bottom:52px}
  .sidebar-rail .rail-expanded .sidebar-foot{bottom:12px;padding-right:36px}
  .sidebar-rail .nav-label,.sidebar-rail .rail-expanded .nav-label{height:30px;margin:8px 0 4px;padding:8px 12px 0;border:0;font-size:10px;line-height:14px;letter-spacing:.14em;overflow:hidden;white-space:nowrap}
  .sidebar-rail .sidebar:not(.rail-expanded) .nav-label{color:transparent}
  .sidebar-rail .nav-btn,.sidebar-rail .rail-expanded .nav-btn{height:44px;min-height:44px}
  .sidebar-rail .sidebar:not(.rail-expanded) .logo::before{padding-top:1px}
  .sidebar-rail .sidebar nav{max-height:calc(100dvh - 165px)}
  .sidebar-rail .schedule-group-menu,.sidebar-rail .rail-expanded .schedule-group-menu{margin:4px 0 10px;padding:0;border:0}
  .sidebar-rail .sidebar:not(.rail-expanded) .schedule-group-menu:not([hidden]){display:block}
  .sidebar-rail .schedule-group-menu .config-menu,.sidebar-rail .rail-expanded .config-menu{margin:0;padding:0;border:0}
  .sidebar-rail .sidebar:not(.rail-expanded) .config-menu.open{display:block}
  .sidebar-rail .schedule-group-menu .nav-btn,.sidebar-rail .rail-expanded .schedule-group-menu .nav-btn,.sidebar-rail .rail-expanded .config-menu .nav-btn{height:44px;min-height:44px;padding:10px 11px;gap:10px}
  .sidebar-rail .rail-expanded .schedule-group-menu .sidebar-label{padding-left:8px}
  .sidebar-rail .rail-expanded .config-menu .sidebar-label{padding-left:16px}
  .sidebar-rail .schedule-group-menu .nav-icon{width:22px;flex:0 0 22px}
  .sidebar-rail .schedule-group-menu .config-toggle,.sidebar-rail .rail-expanded .schedule-group-menu .config-toggle{height:34px;min-height:34px;margin:8px 0 4px;padding:8px 12px}
  .sidebar-rail .sidebar:not(.rail-expanded) .config-toggle{display:flex;justify-content:center}
  .sidebar-rail .sidebar:not(.rail-expanded) .config-toggle::before{content:'⚙';font-size:15px;color:#8fb7df}
  .sidebar-rail .sidebar:not(.rail-expanded) .config-toggle .chevron{display:none}
}
@media(max-width:900px){.sidebar-pin{display:none}}