.drawer-mask { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 200; opacity: 0; visibility: hidden; transition: all .3s; }
.drawer-mask.show { opacity: 1; visibility: visible; }
.drawer { position: fixed; top: 0; left: 0; bottom: 0; width: 200px; background: #fff; z-index: 201; transform: translateX(-100%); transition: transform .3s; box-shadow: 2px 0 12px rgba(0,0,0,.15); display: flex; flex-direction: column; }
.drawer.show { transform: translateX(0); }
.drawer-head { padding: 18px 14px; color: #fff; display: flex; align-items: center; gap: 10px; }
.drawer-avatar { width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,.25); display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 700; }
.drawer-name { font-size: 14px; font-weight: 700; }
.drawer-role { font-size: 11px; opacity: .85; margin-top: 2px; }
.drawer-nav { flex: 1; padding: 8px 0; overflow-y: auto; }
.drawer-group { padding: 12px 14px 4px; font-size: 11px; color: #94a3b8; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; }
.drawer-link { display: flex; align-items: center; gap: 10px; padding: 10px 14px; color: #374151; text-decoration: none; font-size: 13px; transition: all .2s; border-left: 3px solid transparent; }
.drawer-link:hover, .drawer-link.active { background: #eff6ff; color: #2563eb; border-left-color: #2563eb; }
.drawer-link span { font-size: 16px; width: 20px; text-align: center; }
.drawer-link.danger { color: #dc2626; }
.drawer-link.danger:hover { background: #fee2e2; border-left-color: #dc2626; }