.app{min-height:100vh}

/* ── Sidebar ── */
.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar-w);background:var(--sidebar-bg);
  display:flex;flex-direction:column;z-index:var(--z-sidebar);transition:transform .18s ease-out}
.sidebar-brand{display:flex;align-items:center;gap:12px;padding:20px 18px 16px;min-width:0}

/* Preserve the official logo colors on a clean white tile. */
.brand-logo{width:44px;height:44px;object-fit:contain;flex:none;
  display:block;padding:2px;border:1px solid rgba(255,255,255,.72);border-radius:9px;background:#fff}

.brand-name{font-weight:700;color:#fff;font-size:15.5px;line-height:1.2;min-width:0}
.brand-sub{font-size:11px;color:rgba(255,255,255,.55);letter-spacing:.6px;text-transform:uppercase}

.sidebar-nav{flex:1;overflow-y:auto;padding:8px 12px 12px}
.nav-group-label{font-size:11px;letter-spacing:1.2px;text-transform:uppercase;
  color:rgba(255,255,255,.38);padding:14px 12px 6px}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 12px;margin-bottom:2px;
  border-radius:var(--radius-sm);color:rgba(255,255,255,.82);font-size:14px;
  transition:background .15s,color .15s;min-height:44px;width:100%;
  background:none;border:0;cursor:pointer;font-family:inherit;text-align:left}
.nav-item:hover{background:var(--sidebar-hover);color:#fff}
.nav-item.active{background:var(--sidebar-active);color:#fff;font-weight:500;
  box-shadow:inset 3px 0 0 var(--red-400)}
.nav-item .ic{flex:none;opacity:.9}
.nav-badge{margin-left:auto;background:var(--red-500);color:#fff;font-size:11px;
  font-weight:600;padding:1px 8px;border-radius:99px}
.nav-more-btn{border:1px dashed rgba(255,255,255,.3)!important;margin-top:6px}

.sidebar-foot{padding:14px 16px;border-top:1px solid rgba(255,255,255,.12)}
.side-user{display:flex;align-items:center;gap:10px}
.side-user .meta{flex:1}
.side-user .btn-icon{margin-left:auto;flex:none}
.side-user .name{color:#fff;font-weight:500;font-size:13px}
.side-user .role{font-size:11px;color:rgba(255,255,255,.5)}

/* ── Main + Topbar ── */
.main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;min-width:0}
.topbar{position:sticky;top:0;height:var(--topbar-h);z-index:var(--z-topbar);
  background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);display:flex;align-items:center;
  gap:14px;padding:0 24px}
.topbar-title{font-size:16px;font-weight:600;white-space:nowrap;overflow:hidden;
  text-overflow:ellipsis;min-width:0}
.topbar-spacer{flex:1}
.icon-btn{position:relative;width:40px;height:40px;border-radius:var(--radius-sm);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);
  transition:background .15s,color .15s;flex:none}
.icon-btn:hover{background:var(--red-50);color:var(--red-600)}
.icon-btn .dot{position:absolute;top:8px;right:9px;width:8px;height:8px;
  border-radius:99px;background:var(--red-600);border:2px solid #fff}
.hamburger{display:none}
.avatar-btn{border-radius:99px;display:flex;padding:0;cursor:pointer;
  border:2px solid transparent;transition:border-color .15s;flex:none}
.avatar-btn:hover{border-color:var(--red-300)}

/* ── Dropdown ── */
.dropdown{position:relative}
.dropdown-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:220px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);
  box-shadow:var(--shadow-lg);padding:6px;opacity:0;visibility:hidden;
  transform:translateY(6px);transition:.18s;z-index:var(--z-dropdown)}
.dropdown-menu.w-wide{min-width:300px;max-width:calc(100vw - 24px)}
#dd-notif .dropdown-menu{max-height:min(70vh,520px);overflow-y:auto}
.dropdown.open .dropdown-menu{opacity:1;visibility:visible;transform:none}
.dropdown-head{padding:10px 12px 8px;border-bottom:1px solid var(--border);
  margin-bottom:4px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.dropdown-item{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;
  border-radius:var(--radius-xs);font-size:13.5px;color:var(--text-2);text-align:left;min-height:42px}
.dropdown-item:hover{background:var(--red-50);color:var(--red-700)}
.dropdown-item.danger{color:var(--red-600)}
.dropdown-sep{height:1px;background:var(--border);margin:4px 8px}
.notif-item{display:flex;gap:10px;padding:10px 12px;border-radius:var(--radius-xs)}
button.notif-item{width:100%;text-align:left;cursor:pointer;align-items:flex-start;white-space:normal}
button.notif-item:focus-visible{outline:2px solid var(--red-400)}
.notif-item:hover{background:var(--gray-50)}
.notif-item .ic-wrap{width:34px;height:34px;border-radius:10px;background:var(--red-50);
  color:var(--red-600);display:flex;align-items:center;justify-content:center;flex:none}
.notif-item .t{font-size:13px;font-weight:500}
.notif-item .d{font-size:11.5px;color:var(--text-3)}

.sidebar-backdrop{display:none}
.bottom-nav{display:none}

/* ── Responsive ── */
@media (max-width:992px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:none;box-shadow:var(--shadow-lg)}
  .main{margin-left:0}
  .hamburger{display:inline-flex}
  .sidebar-backdrop{display:block;position:fixed;inset:0;background:rgba(15,17,22,.45);
    z-index:calc(var(--z-sidebar) - 1);opacity:0;pointer-events:none;transition:opacity .25s}
  .sidebar-backdrop.show{opacity:1;pointer-events:auto}
}
@media (max-width:768px){
  .topbar{padding:0 12px;gap:8px}
  .topbar-search{display:none}
  .bottom-nav{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:var(--z-bottom-nav);
    background:rgba(255,255,255,.97);backdrop-filter:blur(8px);
    border-top:1px solid var(--border);padding:6px 8px;
    padding-bottom:calc(6px + env(safe-area-inset-bottom));justify-content:space-around}
  .bnav-item{flex:1;max-width:88px;display:flex;flex-direction:column;align-items:center;
    gap:3px;padding:7px 4px;border-radius:10px;color:var(--text-3);font-size:10.5px}
  .bnav-item.active{color:var(--red-600);background:var(--red-50);font-weight:500}
  body.has-bnav .page{padding-bottom:calc(60px + env(safe-area-inset-bottom) + 24px)}
}
@media (max-width:480px){
  .icon-btn{width:44px;height:44px}
  .topbar-title{font-size:14.5px}
}