:root{
  /* layui admin tokens */
  --primary:#1e9fff; --primary-h:#4cb2ff; --primary-a:#0d8bf0;
  --bg:#f2f2f2; --panel:#fff;
  --border:#e6e6e6; --border-2:#f0f0f0;
  --text:#333; --muted:#888; --text-tertiary:#aaa;
  --ok:#009688; --ok-bg:#ebf7f4; --ok-bd:#b8e6df; --ok-tx:#00796b;
  --warn:#ffb800; --warn-bg:#fff8e6; --warn-bd:#ffe2a8; --warn-tx:#c88800;
  --danger:#ed4014; --danger-bg:#fdece9; --danger-bd:#f7c0b3; --danger-tx:#cf2e0a;
  --info-bg:#ebf5ff; --info-tx:#1e9fff; --info-bd:#b8e0ff;
  --sidebar:#393d49; --sidebar-t:#c2c2c2; --sidebar-t-hover:#fff;
  --sidebar-active:#1e9fff; --sidebar-group:#8a8f99; --sidebar-border:#4a4f5c;
  --sidebar-hover:#4a5064;
  --shadow:0 1px 2px rgba(0,0,0,.06);
  --shadow-lg:0 4px 16px rgba(0,0,0,.12);
  --radius:4px;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}
a{color:var(--primary);text-decoration:none}
button{font-family:inherit;cursor:pointer}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--primary);color:#fff;border:1px solid var(--primary);padding:6px 16px;border-radius:var(--radius);font-size:14px;line-height:1.5;transition:all .15s;box-shadow:none}
.btn:hover{background:var(--primary-h);border-color:var(--primary-h)}
.btn:active{background:var(--primary-a);border-color:var(--primary-a)}
.btn.gray{background:#fff;color:#555;border-color:var(--border)}
.btn.gray:hover{color:var(--primary);border-color:var(--primary)}
.btn.ghost{background:var(--info-bg);color:var(--primary);border-color:var(--info-bd)}
.btn.ghost:hover{background:#d4ebff;border-color:var(--primary)}
.btn.danger{background:var(--danger);border-color:var(--danger)}
.btn.danger:hover{background:#f5633f;border-color:#f5633f}
.btn.sm{padding:3px 12px;font-size:13px;border-radius:var(--radius)}

/* ===== 表单 ===== */
.input,.select,textarea,select{width:100%;padding:7px 11px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;background:#fff;color:var(--text);transition:all .15s;outline:none}
.input:focus,.select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 2px rgba(30,159,255,.15);outline:none}
.input::placeholder,textarea::placeholder{color:#bbb}
textarea{resize:vertical;min-height:64px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:#666;margin-bottom:6px}
.row{display:flex;gap:16px;flex-wrap:wrap}
.row .field{flex:1;min-width:160px}

/* ===== 布局 ===== */
#app{display:flex;min-height:100vh}
.sidebar{width:220px;background:var(--sidebar);color:var(--sidebar-t);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:30;box-shadow:2px 0 6px rgba(0,0,0,.18);transition:width .2s ease}
.sidebar .brand{position:relative;padding:16px 18px;font-weight:600;color:#fff;font-size:16px;border-bottom:1px solid var(--sidebar-border);line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;background:rgba(0,0,0,.12);letter-spacing:.5px}
.sidebar .brand-mini{display:none;font-size:22px}
.sidebar-toggle{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:transparent;border:0;color:var(--sidebar-group);font-size:20px;cursor:pointer;padding:4px 8px;line-height:1;transition:color .15s}
.sidebar-toggle:hover{color:#fff}
.sidebar nav{flex:1;overflow:auto;padding:8px 6px}
.sidebar nav>a{display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:var(--radius);color:var(--sidebar-t);font-size:14px;margin-bottom:2px;transition:all .15s;cursor:pointer;width:100%}
.sidebar nav>a:hover{background:var(--sidebar-hover);color:var(--sidebar-t-hover)}
.sidebar nav>a.active{background:var(--sidebar-active);color:#fff;font-weight:600}
.nav-icon{font-size:15px;line-height:1;flex:none}
.nav-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar .nav-group{margin-top:6px;padding:0}
.sidebar .nav-group-title{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--sidebar-group);padding:10px 16px;border-radius:var(--radius);cursor:pointer;user-select:none;transition:all .15s;letter-spacing:.5px}
.sidebar .nav-group-title:hover{color:var(--sidebar-t-hover);background:rgba(255,255,255,.04)}
.sidebar .nav-group-title .caret{display:inline-flex;align-items:center;justify-content:center;width:14px;height:14px;font-size:13px;color:var(--sidebar-group);transition:transform .25s ease}
.sidebar .nav-group-title.collapsed .caret{transform:rotate(0deg)}
.sidebar .nav-group-title:not(.collapsed) .caret{transform:rotate(90deg)}
.sidebar .nav-group-title:hover .caret{color:var(--sidebar-t-hover)}
.sidebar .nav-group-title.collapsed{color:var(--sidebar-group)}
.sidebar .nav-group a{display:flex;align-items:center;gap:10px;padding:9px 16px 9px 34px;font-size:13px;margin-bottom:1px;color:var(--sidebar-t);width:100%;border-radius:var(--radius)}
.sidebar .nav-group a:hover{background:var(--sidebar-hover);color:var(--sidebar-t-hover)}
.sidebar .nav-group a.active{background:var(--sidebar-active);color:#fff;font-weight:600}
.nav-group-items{display:grid;grid-template-rows:1fr;transition:grid-template-rows .25s ease}
.nav-group-items.collapsed{grid-template-rows:0fr}
.nav-group-items>div{overflow:hidden}
.nav-group-icon{display:none}
.sidebar .me{margin-top:auto;padding:14px 18px;border-top:1px solid var(--sidebar-border);font-size:12px;color:var(--sidebar-group);background:rgba(0,0,0,.12)}
.sidebar .me .un{color:#fff;font-weight:600}
.sidebar .me a{font-size:12px;color:var(--sidebar-group)}
.sidebar .me a:hover{color:#fff}

/* 侧栏缩略图标模式 */
.sidebar-collapsed{width:64px}
.sidebar-collapsed .brand-full{display:none}
.sidebar-collapsed .brand-mini{display:inline}
.sidebar-collapsed .brand{padding:16px 0;text-align:center}
.sidebar-collapsed nav{padding:8px 0}
.sidebar-collapsed nav>a{justify-content:center;padding:12px 0}
.sidebar-collapsed nav>a .nav-text{display:none}
.sidebar-collapsed .nav-group-title{display:none}
.sidebar-collapsed .nav-group-icon{display:flex;align-items:center;justify-content:center;width:100%;padding:12px 0;font-size:20px;color:var(--sidebar-t);cursor:pointer;border-radius:var(--radius);transition:all .15s}
.sidebar-collapsed .nav-group-icon:hover{background:var(--sidebar-hover);color:#fff}
.sidebar-collapsed .nav-group{margin-top:4px}
.sidebar-collapsed .me{padding:12px 0;text-align:center}
.sidebar-collapsed .me .un,.sidebar-collapsed .me .muted{display:none}
.sidebar-collapsed .me a{display:none}
.sidebar-collapsed .me::after{content:'⏻';color:var(--sidebar-group);font-size:18px;cursor:pointer;transition:color .15s}
.sidebar-collapsed .me:hover::after{color:#fff}

/* 缩略模式弹出的迷你菜单 */
.mini-drawer{position:fixed;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);z-index:40;min-width:180px;overflow:hidden}
.mini-drawer-title{display:flex;align-items:center;gap:8px;padding:10px 14px;font-weight:600;color:#333;border-bottom:1px solid var(--border);background:#f7f7f7;font-size:13px}
.mini-drawer a{display:flex;align-items:center;gap:10px;padding:10px 14px;color:#333;font-size:14px;cursor:pointer;transition:background .15s}
.mini-drawer a:hover{background:#f2f2f2;color:var(--primary)}
.mini-drawer a.active{background:var(--info-bg);color:var(--primary);font-weight:600}
.main{margin-left:220px;flex:1;padding:18px;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px;flex-wrap:wrap;background:#fff;padding:12px 16px;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border-2)}
.topbar h2{margin:0;font-size:18px;font-weight:600;color:#333}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.toolbar .spacer{flex:1}
.search{flex:1;min-width:180px;max-width:280px}

/* ===== 卡片 / 面板 ===== */
.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.grid{display:grid;gap:16px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);transition:box-shadow .2s}
.card:hover{box-shadow:var(--shadow-lg)}
.card .n{font-size:28px;font-weight:600;color:var(--primary);line-height:1.2}
.card .t{color:var(--muted);font-size:13px;margin-top:6px}

/* ===== 表格 ===== */
.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:11px 16px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}
th{background:#f7f7f7;color:#333;font-weight:600;position:sticky;top:0;border-bottom:1px solid var(--border)}
tbody tr:hover{background:#f7f7f7}
.pill{display:inline-block;padding:1px 10px;border-radius:3px;font-size:12px;font-weight:500;line-height:20px;border:1px solid transparent}
.pill.on{background:var(--ok-bg);color:var(--ok-tx);border-color:var(--ok-bd)}
.pill.off{background:var(--danger-bg);color:var(--danger-tx);border-color:var(--danger-bd)}
.pill.wait{background:var(--warn-bg);color:var(--warn-tx);border-color:var(--warn-bd)}
.pill.warn{background:var(--warn-bg);color:var(--warn-tx);border-color:var(--warn-bd)}
.muted{color:var(--muted)}
.tag{display:inline-flex;align-items:center;gap:4px;background:var(--info-bg);color:var(--info-tx);border-radius:3px;padding:1px 8px;margin:2px 4px 2px 0;font-size:12px;border:1px solid var(--info-bd)}

/* ===== 树 ===== */
.tree{list-style:none;margin:0;padding:0}
.tree ul{list-style:none;margin:0;padding-left:20px}
.tree li{margin:2px 0}
.node{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:var(--radius);border:1px solid transparent;transition:background .15s}
.node:hover{background:rgba(0,0,0,.04)}
.node.sel{background:#e8f4ff;border-color:var(--info-bd)}
.node .nm{flex:1;cursor:default}
.node .cat-no{color:var(--muted);font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;min-width:36px;white-space:nowrap}
.node .ix{color:var(--muted);font-size:11px}
.node .sort-btns{display:flex;gap:3px;opacity:0;transition:.15s}
.node:hover .sort-btns{opacity:1}
.sort-btns button{background:#fff;border:1px solid var(--border);color:#666;border-radius:3px;padding:2px 7px;font-size:11px;cursor:pointer;line-height:1.4}
.sort-btns button:hover{background:#f7f7f7;color:var(--primary);border-color:var(--primary)}
.sort-btns button:disabled{opacity:.35;cursor:not-allowed}

/* 物料分类：企业来源节点特殊显示 + 行内操作 */
.node.mc-ent{background:var(--info-bg);border-color:var(--info-bd)}
.node.mc-ent:hover{background:#d4ebff}
.mc-badge{flex:none;background:var(--primary);color:#fff;font-size:11px;line-height:1;padding:2px 6px;border-radius:3px}
.row-actions{display:flex;gap:4px;opacity:0;transition:.15s}
.node:hover .row-actions{opacity:1}
.row-actions .mini{background:#fff;border:1px solid var(--border);color:#666;border-radius:3px;padding:2px 7px;font-size:12px;cursor:pointer;line-height:1.4}
.row-actions .mini:hover{background:#f7f7f7;color:var(--primary);border-color:var(--primary)}
.row-actions .mini:disabled{opacity:.35;cursor:not-allowed}
.row-actions .mini.danger:hover{background:var(--danger-bg);color:var(--danger);border-color:var(--danger-bd)}
.tree li.empty{list-style:none;color:var(--muted);padding:14px 8px;font-size:13px}
.caret{cursor:pointer;width:16px;display:inline-block;text-align:center;color:var(--muted)}

/* ===== 弹窗 ===== */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;z-index:50;padding:16px}
.modal{background:#fff;border-radius:var(--radius);width:min(640px,96vw);max-height:90vh;overflow:hidden;display:flex;flex-direction:column;padding:18px 22px 22px;box-shadow:var(--shadow-lg)}
.modal-wide{width:min(820px,96vw)}
.modal h3{margin:0 0 16px;font-size:16px;font-weight:600;flex-shrink:0;color:#333}
.modal-body{flex:1 1 auto;overflow:auto;padding:2px;min-height:0}
.modal-body .row{min-width:0}
.modal-body .field{min-width:0}
.modal-body .input,.modal-body textarea,.modal-body select{width:100%;min-width:0;box-sizing:border-box}
.modal .acts{display:flex;justify-content:flex-end;gap:8px;margin-top:16px;flex-shrink:0}

/* ===== 提示 ===== */
.toast{position:fixed;top:18px;left:50%;transform:translateX(-50%);background:#fff;color:#333;padding:9px 16px;border-radius:var(--radius);z-index:80;font-size:14px;box-shadow:var(--shadow-lg);border:1px solid var(--border);opacity:0;transition:.25s;pointer-events:none}
.toast.show{opacity:1}
.toast.err{border-color:var(--danger);color:var(--danger)}
.toast.ok{border-color:var(--ok);color:var(--ok-tx)}

/* ===== 登录 ===== */
.login{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 20% 30%,#4a4e5c 0%,#2b303b 60%,#1f232d 100%)}.login::before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(45deg,rgba(255,255,255,.03) 0,rgba(255,255,255,.03) 1px,transparent 1px,transparent 12px);pointer-events:none}
.login .box{position:relative;background:#fff;padding:42px 36px 40px;border-radius:8px;width:380px;box-shadow:0 20px 55px rgba(0,0,0,.28);overflow:hidden}
.login .box::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary) 0%,#0d8bf0 100%)}
.login .box h1{margin:0 0 6px;font-size:24px;color:#2f3542;text-align:center;letter-spacing:.5px}
.login .box .sub{color:var(--muted);margin-bottom:28px;font-size:13px;text-align:center}
.login .box .field{margin-bottom:18px}
.login .box .field label{display:block;margin-bottom:6px;font-size:13px;color:#555;font-weight:500}
.login .box .input{padding:11px 14px;border:1px solid #d9d9d9}
.login .box .input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(30,159,255,.12)}
.login .box .btn{width:100%;justify-content:center;margin-top:8px;padding:12px;font-size:15px;letter-spacing:2px}

/* 手机端遮罩 */
.backdrop{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:25}

/* ===== 分类选择树 ===== */
.cat-pick-tree{max-height:320px;overflow:auto;border:1px solid var(--border);border-radius:var(--radius);padding:8px;background:#fff}
.cat-pick-node{margin:1px 0}
.cat-pick-row{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:var(--radius);cursor:pointer;user-select:none;transition:background .15s}
.cat-pick-row:hover{background:rgba(0,0,0,.04)}
.cat-pick-row .cat-pick-caret{width:18px;text-align:center;color:var(--muted);user-select:none;cursor:pointer}
.cat-pick-row .cat-pick-caret.spacer{visibility:hidden;cursor:default}
.cat-pick-row .cb{width:auto;margin:0;cursor:pointer}
.cat-pick-row .cat-no{color:var(--muted);font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;min-width:36px;white-space:nowrap}
.cat-pick-row .nm{flex:1;user-select:none}
.cat-pick-row .ix{color:var(--muted);font-size:12px}
.cat-pick-row.sel{background:var(--info-bg);color:var(--primary)}
.cat-pick-sub{display:none;margin-left:22px}
.cat-pick-sub.expanded{display:block}
.tag b{cursor:pointer;font-weight:700;color:#0d8bf0}
.tag b:hover{color:var(--danger)}
.ctx{position:fixed;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);z-index:90;min-width:130px;overflow:hidden}
.ctx div{padding:8px 14px;font-size:14px;cursor:pointer}
.ctx div:hover{background:#f7f7f7}
.pager{display:flex;gap:8px;align-items:center;justify-content:flex-end;margin-top:12px;flex-wrap:wrap}
.att-list{display:flex;flex-direction:column;gap:6px;margin-bottom:8px}
.att-item{display:flex;align-items:center;gap:8px;padding:7px 12px;background:#fafafa;border:1px solid var(--border);border-radius:var(--radius);font-size:13px}
.att-item a{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.att-item .size{color:var(--muted);font-size:11px;white-space:nowrap}
.cat-trigger{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:var(--radius);background:#fff;cursor:pointer;text-align:left;font-size:14px;min-height:38px;display:flex;flex-wrap:wrap;gap:4px;align-items:center;transition:all .15s}
.cat-trigger:hover{border-color:var(--primary)}
.dropdown-menu{position:absolute;top:calc(100% + 4px);left:0;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);z-index:40;min-width:130px;padding:4px 0;max-height:320px;overflow:auto}
.dropdown-menu label{display:flex;align-items:center;gap:6px;padding:7px 12px;cursor:pointer;font-size:13px;white-space:nowrap}
.dropdown-menu label:hover{background:#f7f7f7}
.dropdown-menu input[type=checkbox]{width:auto;margin:0}
th .resize-handle{position:absolute;right:0;top:0;bottom:0;width:6px;cursor:col-resize;background:transparent;z-index:2}
th .resize-handle:hover{background:rgba(30,159,255,.25)}
.ec-td-no,.ec-th-no{text-align:center}

/* 物料详情：左属性 / 右值 */
.detail-table{display:flex;flex-direction:column;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.dt-row{display:flex;border-bottom:1px solid var(--border)}
.dt-row:last-child{border-bottom:none}
.dt-key{width:120px;flex:none;background:#f7f7f7;padding:10px 14px;font-size:13px;font-weight:600;color:var(--muted);border-right:1px solid var(--border);display:flex;align-items:center}
.dt-val{flex:1;padding:10px 14px;font-size:13px;color:var(--text);word-break:break-all;display:flex;flex-direction:column;gap:6px}

/* 物料多选弹窗 */
.mat-pick-table thead th{background:#f7f7f7;padding:8px 12px;font-size:13px;font-weight:600;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:2}
.mat-pick-table td{padding:7px 12px;border-bottom:1px solid var(--border);font-size:13px;vertical-align:middle}
tr.mat-pick-row{cursor:pointer;transition:.15s}
tr.mat-pick-row:hover{background:#f7f7f7}
tr.mat-pick-row input[type=checkbox]{width:auto;margin:0;cursor:pointer}
tr.mat-pick-row .nm{font-size:13px}
#matPickTree .cat-pick-row.sel{background:var(--info-bg);color:var(--primary);font-weight:600}
#matPickTree .cat-pick-row .nm{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
#matPickAllRow{border-bottom:1px solid var(--border);margin-bottom:2px}
.mat-pick-resizer{width:8px;cursor:col-resize;background:transparent;flex:none;transition:background .15s;position:relative}
.mat-pick-resizer:hover{background:var(--primary);opacity:.25}
.mat-pick-resizer::before{content:'';position:absolute;left:3px;top:20%;bottom:20%;width:2px;border-left:1px dashed var(--border);border-right:1px dashed var(--border);pointer-events:none}
.iqMatName{padding:8px 12px;background:#fafafa;border:1px solid var(--border);border-radius:var(--radius);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.iqRow{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}
.iqRow .field{display:flex;flex-direction:column;justify-content:flex-end;margin-bottom:0;min-width:0}
.iqRow .iqMat{flex:2;min-width:180px}
.iqRow .iqNum{flex:1;min-width:90px}
.iqRow .iqNote{flex:1.5;min-width:140px}
.iqRow .iqAct{flex:none;min-width:auto}
th[onclick]{cursor:pointer;user-select:none}
.an-chart-wrap canvas{width:100%;height:100%}
.select.sm{padding:4px 8px;font-size:12px;max-width:90px}
th[onclick]:hover{background:#e8f4ff}

/* 用户权限分组勾选 */
.perm-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;background:#fafafa;margin-top:2px}
.perm-group{display:flex;flex-direction:column;gap:6px}
.pg-title{font-size:13px;font-weight:600;color:var(--primary);margin-bottom:2px}
.perm-group .ck{display:flex;align-items:center;gap:6px;font-size:13px;cursor:pointer}
.perm-group .ck input{width:auto;margin:0;cursor:pointer}

/* ===== 手机版（自动切换） ===== */
.menu-btn{display:none}
@media(max-width:768px){
  .sidebar{transform:translateX(-100%);transition:transform .2s ease;width:240px}
  .sidebar.open{transform:translateX(0);box-shadow:2px 0 16px rgba(0,0,0,.35)}
  .main{margin-left:0;padding:12px}
  .menu-btn{display:inline-flex}
  .cards{grid-template-columns:repeat(2,1fr)}
  .row .field{min-width:100%}
  .topbar{padding:10px 12px}
  .topbar h2{font-size:17px}
  .toolbar .search{max-width:none}
  .modal{width:100vw;height:100vh;max-height:none;border-radius:0;padding:16px}
  .modal-wide{width:100vw}
  .table-wrap{-webkit-overflow-scrolling:touch}
  th,td{padding:9px 12px;font-size:13px}
  .card .n{font-size:22px}
}
@media(max-width:420px){
  .cards{grid-template-columns:1fr}
  .main{padding:12px}
}