*{margin:0;padding:0;box-sizing:border-box}
html,body,#app{height:100%;overflow:hidden;font-family:"Helvetica Neue",Helvetica,"PingFang SC","Microsoft YaHei",Arial,sans-serif}
#app{display:flex;flex-direction:column}
.wms-header{background:#1a1a2e;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:56px;flex-shrink:0;z-index:1000}
.wms-header-left{display:flex;align-items:center;gap:16px}
.wms-logo{font-size:18px;font-weight:700;color:#409EFF;white-space:nowrap}
.wms-subtitle{font-size:12px;color:rgba(255,255,255,0.55);display:none}
@media(min-width:768px){.wms-subtitle{display:inline}}
.wms-header-right{display:flex;align-items:center;gap:12px}
.wms-warehouse-selector .el-input__inner{background:rgba(255,255,255,0.1);border-color:rgba(255,255,255,0.2);color:#fff;width:180px}
.wms-warehouse-selector .el-input__inner::placeholder{color:rgba(255,255,255,0.5)}
.collapse-btn{cursor:pointer;color:rgba(255,255,255,0.5);font-size:20px;padding:4px 8px;border-radius:4px;transition:all .3s}
.collapse-btn:hover{color:#fff;background:rgba(255,255,255,0.08)}

.wms-body{display:flex;flex:1;overflow:hidden}
.wms-sidebar{width:240px;background:#16213e;overflow-y:auto;overflow-x:hidden;flex-shrink:0;transition:width .3s}
.wms-sidebar.collapsed{width:64px}
.wms-sidebar::-webkit-scrollbar{width:4px}
.wms-sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.15);border-radius:2px}
.wms-sidebar.collapsed .sidebar-menu-name,
.wms-sidebar.collapsed .sidebar-submenu-title-text,
.wms-sidebar.collapsed .sidebar-submenu-arrow{display:none}
.wms-sidebar.collapsed .sidebar-menu-icon{margin:0}
.wms-sidebar.collapsed .sidebar-menu-link{justify-content:center;padding:0 16px}
.wms-sidebar.collapsed .sidebar-submenu-title{justify-content:center;padding:0 16px}
.wms-sidebar.collapsed .sidebar-submenu-children{display:none!important}

.sidebar-menu-group{border-bottom:1px solid rgba(255,255,255,0.06)}

.sidebar-menu-link{display:flex;align-items:center;gap:10px;padding:0 20px;height:44px;line-height:44px;color:rgba(255,255,255,0.75);text-decoration:none;font-size:13px;cursor:pointer;transition:all 0.2s}
.sidebar-menu-link:hover{color:#fff;background:rgba(64,158,255,0.12)}
.sidebar-menu-link.active{color:#fff;background:rgba(64,158,255,0.2);border-right:2px solid #409EFF}
.sidebar-menu-icon{font-size:16px;width:16px;flex-shrink:0}
.sidebar-menu-name{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-menu-link.placeholder{color:rgba(255,255,255,0.3);cursor:default}
.sidebar-menu-link.placeholder:hover{color:rgba(255,255,255,0.3);background:transparent}

.sidebar-submenu-title{display:flex;align-items:center;gap:10px;padding:0 20px;height:44px;line-height:44px;color:rgba(255,255,255,0.85);font-size:13px;font-weight:600;cursor:pointer;transition:all 0.2s;user-select:none}
.sidebar-submenu-title:hover{background:rgba(255,255,255,0.05)}
.sidebar-submenu-title.open{color:#409EFF}
.sidebar-submenu-arrow{font-size:10px;transition:transform 0.3s;color:rgba(255,255,255,0.4);flex-shrink:0}
.sidebar-submenu-title.open .sidebar-submenu-arrow{transform:rotate(90deg)}
.sidebar-submenu-children{overflow:hidden;transition:max-height 0.3s ease}
.sidebar-submenu-children .sidebar-menu-link{padding-left:46px;font-size:12px;height:38px;line-height:38px}

.wms-main{flex:1;overflow-y:auto;background:#f0f2f5;display:flex;flex-direction:column}
.wms-main-content{padding:16px 20px;flex:1}
.wms-breadcrumb{padding:12px 20px;background:#fff;border-bottom:1px solid #e4e7ed;flex-shrink:0}

.collapsed-menu-tip{display:none;padding:12px;text-align:center;font-size:12px;color:rgba(255,255,255,0.3);border-bottom:1px solid rgba(255,255,255,0.06)}
.wms-sidebar.collapsed .collapsed-menu-tip{display:block}

.placeholder-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;background:#fff;border-radius:8px;box-shadow:0 1px 4px rgba(0,0,0,0.06);padding:60px 20px;text-align:center}
.placeholder-icon{font-size:64px;color:#c0c4cc;margin-bottom:16px}
.placeholder-container h2{font-size:20px;color:#303133;font-weight:600;margin-bottom:8px}
.placeholder-hint{font-size:14px;color:#909399;margin-bottom:4px}
.placeholder-detail{font-size:12px;color:#c0c4cc;margin-bottom:24px}

.wms-content-iframe{padding:16px 20px;overflow-y:auto;min-height:100vh;background:#f0f2f5}
.wms-content-iframe .placeholder-container{min-height:300px}

.wms-shell-iframe{width:100%;height:100%;border:none;display:block;transition:opacity 0.15s ease}
.wms-shell-iframe.loading{opacity:0.6}
.wms-shell-loading{display:flex;align-items:center;justify-content:center;height:100%;color:#909399;font-size:14px}