/* ================================================================
   APP SHELL
================================================================ */
.app-shell{
  display:none;
  min-height:100vh;
}
.app-shell.active{display:flex}

/* SIDEBAR */
.sidebar{
  width:var(--sidebar-w);flex-shrink:0;
  background:var(--white);border-right:1px solid var(--ink-12);
  display:flex;flex-direction:column;
  position:fixed;top:0;left:0;bottom:0;z-index:200;
}
.sidebar-logo{
  padding:20px 20px 16px;border-bottom:1px solid var(--ink-06);
  display:flex;align-items:center;gap:10px;
}
.sidebar-logo-mark{
  width:30px;height:30px;background:var(--green);border-radius:8px;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.sidebar-logo-text{font-family:'Syne',sans-serif;font-size:15px;font-weight:700;letter-spacing:-.02em}
.sidebar-logo-text span{color:var(--green-2)}

.sidebar-nav{padding:12px 10px;flex:1;overflow-y:auto}
.nav-section-label{
  font-size:10px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-40);padding:0 10px;margin:16px 0 6px;
}
.nav-item{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:var(--r-sm);
  font-size:13px;font-weight:400;color:var(--ink-70);
  cursor:pointer;transition:all var(--transition);margin-bottom:2px;
}
.nav-item:hover{background:var(--ink-06);color:var(--ink)}
.nav-item.active{background:var(--green-bg);color:var(--green);font-weight:500}
.nav-item svg{flex-shrink:0;opacity:.7}
.nav-item.active svg{opacity:1}

.sidebar-footer{padding:12px 10px;border-top:1px solid var(--ink-06)}
.sidebar-user{
  display:flex;align-items:center;gap:10px;padding:8px 10px;
  border-radius:var(--r-sm);cursor:pointer;transition:all var(--transition);
}
.sidebar-user:hover{background:var(--ink-06)}
.user-avatar{
  width:32px;height:32px;background:var(--green-bg);border-radius:50%;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  font-family:'Syne',sans-serif;font-size:13px;font-weight:700;color:var(--green);
  border:1px solid var(--green-border);
}
.user-info{flex:1;min-width:0}
.user-name{font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-role{font-size:11px;color:var(--ink-40);text-transform:capitalize}

/* MAIN AREA */
.main-area{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-height:100vh}

/* TOPBAR */
.topbar{
  height:var(--topbar-h);background:var(--white);border-bottom:1px solid var(--ink-06);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 28px;position:sticky;top:0;z-index:100;
}
.topbar-title{font-family:'Syne',sans-serif;font-size:18px;font-weight:700}
.topbar-actions{display:flex;align-items:center;gap:12px}
.topbar-search{
  display:flex;align-items:center;gap:8px;
  background:var(--page);border:1px solid var(--ink-12);border-radius:var(--r-sm);
  padding:7px 12px;min-width:220px;
}
.topbar-search input{background:transparent;border:none;font-size:13px;color:var(--ink);flex:1}
.topbar-search input::placeholder{color:var(--ink-40)}

/* CONTENT */
.page-content{padding:28px;flex:1}
.page-header{margin-bottom:28px}
.page-title{font-size:26px;font-weight:800}
.page-sub{font-size:14px;color:var(--ink-70);margin-top:4px}

/* ================================================================
   RESPONSIVE SIDEBAR
================================================================ */
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:190}
.menu-toggle{display:none;width:36px;height:36px;border-radius:var(--r-sm);background:var(--ink-06);border:none;cursor:pointer;align-items:center;justify-content:center}
@media(max-width:900px){
  .sidebar{transform:translateX(-100%);transition:transform .3s ease}
  .sidebar.open{transform:translateX(0)}
  .sidebar-overlay.open{display:block}
  .main-area{margin-left:0}
  .menu-toggle{display:flex}
}