/* ============================================================
   TP8 ERP 响应式后台主题 (无外部依赖，自包含)
   ============================================================ */
:root{
  --primary:#4f46e5;
  --primary-dark:#4338ca;
  --sidebar-bg:#1e1b2e;
  --sidebar-bg2:#262236;
  --sidebar-text:#c7c3de;
  --sidebar-active:#4f46e5;
  --content-bg:#f4f5fb;
  --card-bg:#ffffff;
  --text:#1f2430;
  --text-soft:#6b7280;
  --border:#e6e8f0;
  --success:#16a34a;
  --warning:#f59e0b;
  --danger:#dc2626;
  --info:#0ea5e9;
  --radius:12px;
  --shadow:0 1px 3px rgba(20,20,50,.06),0 8px 24px rgba(20,20,50,.05);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  background:var(--content-bg);color:var(--text);font-size:14px;line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none}
a:hover{opacity:.85}

/* 布局 */
.layout{display:flex;min-height:100vh}
.sidebar{
  width:240px;background:linear-gradient(180deg,var(--sidebar-bg),var(--sidebar-bg2));
  color:var(--sidebar-text);display:flex;flex-direction:column;
  position:fixed;top:0;left:0;bottom:0;z-index:50;transition:transform .25s ease;
}
.sidebar .brand{
  height:60px;display:flex;align-items:center;gap:10px;padding:0 18px;
  font-size:17px;font-weight:700;color:#fff;border-bottom:1px solid rgba(255,255,255,.06);
}
.sidebar .brand .logo{width:30px;height:30px;border-radius:8px;background:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:16px}
.sidebar .menu{flex:1;overflow-y:auto;padding:10px 0}
.sidebar .menu::-webkit-scrollbar{width:6px}
.sidebar .menu::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15);border-radius:6px}
.menu-group{margin:2px 0}
.menu-group>.menu-title{
  padding:10px 20px 6px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  color:#8a86a8;font-weight:600;
}
.menu-item>a{
  display:flex;align-items:center;gap:10px;padding:10px 20px;color:var(--sidebar-text);
  font-size:14px;border-left:3px solid transparent;transition:background .15s;
}
.menu-item>a:hover{background:rgba(255,255,255,.05);color:#fff}
.menu-item.active>a{background:rgba(79,70,229,.18);color:#fff;border-left-color:var(--sidebar-active)}
.menu-item .ico{width:20px;text-align:center;font-size:15px;opacity:.9}
.menu-item .arrow{margin-left:auto;font-size:10px;transition:transform .2s}
.menu-item.open .arrow{transform:rotate(90deg)}
.submenu{display:none;flex-direction:column;background:rgba(0,0,0,.18);overflow:hidden}
.menu-item.open .submenu{display:flex}
.submenu a{padding:9px 20px 9px 50px;font-size:13px;color:#a8a4c4;display:block;width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.5}
.submenu a:hover{color:#fff;background:rgba(255,255,255,.05)}
.submenu a.active{color:#fff;background:rgba(79,70,229,.22)}

/* 内容区 */
.main{flex:1;margin-left:240px;display:flex;flex-direction:column;min-width:0}
.topbar{
  height:60px;background:var(--card-bg);border-bottom:1px solid var(--border);
  display:flex;align-items:center;padding:0 18px;gap:14px;position:sticky;top:0;z-index:30;
}
.hamburger{display:none;background:none;border:0;font-size:20px;cursor:pointer;color:var(--text)}
.topbar .title{font-size:16px;font-weight:600}
.topbar .spacer{flex:1}
.topbar .user{display:flex;align-items:center;gap:10px;position:relative;cursor:pointer}
.topbar .avatar{width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600}
.user-menu{position:absolute;right:0;top:46px;background:#fff;border:1px solid var(--border);
  border-radius:10px;box-shadow:var(--shadow);min-width:160px;padding:6px;display:none}
.user-menu.show{display:block}
.user-menu a{display:block;padding:9px 12px;border-radius:8px;color:var(--text);font-size:13px}
.user-menu a:hover{background:var(--content-bg)}
.content{padding:20px;flex:1}
.breadcrumb{font-size:13px;color:var(--text-soft);margin-bottom:14px}
.breadcrumb b{color:var(--text)}

/* 卡片与统计 */
.card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow)}
.card .card-head{display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;border-bottom:1px solid var(--border)}
.card .card-head h3{margin:0;font-size:15px}
.card .card-body{padding:18px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:18px}
.stat{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.stat .label{color:var(--text-soft);font-size:13px}
.stat .value{font-size:26px;font-weight:700;margin-top:6px}
.stat .ico{position:absolute;right:14px;top:14px;width:42px;height:42px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;font-size:20px;opacity:.9}
.stat.blue .ico{background:#e0ecff;color:#2563eb}
.stat.green .ico{background:#dcfce7;color:#16a34a}
.stat.orange .ico{background:#fef3c7;color:#f59e0b}
.stat.purple .ico{background:#ede9fe;color:#7c3aed}
.grid-2{display:grid;grid-template-columns:2fr 1fr;gap:16px;margin-bottom:18px}
.grid-2b{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:18px}

/* 表格 */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.grid{width:100%;border-collapse:collapse;font-size:13px;min-width:640px}
table.grid th{background:#fafbff;text-align:left;padding:11px 14px;color:var(--text-soft);
  font-weight:600;border-bottom:1px solid var(--border);white-space:nowrap}
table.grid td{padding:11px 14px;border-bottom:1px solid var(--border);white-space:nowrap}
table.grid tr:hover td{background:#fafbff}
table.grid td.wrap{white-space:normal}
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;font-weight:600}
.badge.ok{background:#dcfce7;color:#16a34a}
.badge.warn{background:#fef3c7;color:#b45309}
.badge.bad{background:#fee2e2;color:#dc2626}
.badge.info{background:#e0f2fe;color:#0369a1}
.badge.gray{background:#eef0f4;color:#6b7280}

/* 工具条 */
.toolbar{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.toolbar .spacer{flex:1}
.search-box{display:flex;align-items:center;background:#fff;border:1px solid var(--border);
  border-radius:9px;padding:0 12px;height:38px}
.search-box input{border:0;outline:0;height:36px;width:200px;font-size:13px;background:transparent}
.search-box .btn-search{border:0;background:none;cursor:pointer;font-size:15px;color:var(--text-soft)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 16px;border-radius:9px;
  border:1px solid var(--border);background:#fff;color:var(--text);font-size:13px;cursor:pointer;
  font-weight:500;transition:.15s}
.btn:hover{opacity:.9}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn.sm{height:30px;padding:0 10px;font-size:12px}
.btn.ghost{background:transparent}
.btn-link{padding:0 8px;font-size:12px}
.link-danger{color:var(--danger)}

/* 表单 */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:600;color:var(--text)}
.field .req{color:var(--danger);margin-left:2px}
.field input,.field select,.field textarea{
  height:40px;padding:0 12px;border:1px solid var(--border);border-radius:9px;font-size:14px;
  outline:0;background:#fff;width:100%;color:var(--text)}
.field textarea{height:auto;padding:10px 12px;min-height:84px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary)}
.form-actions{display:flex;gap:10px;margin-top:20px}

/* 遮罩 */
.backdrop{position:fixed;inset:0;background:rgba(15,15,35,.45);opacity:0;visibility:hidden;
  transition:.2s;z-index:40}
.backdrop.show{opacity:1;visibility:visible}
.sidebar .close-btn{display:none}

/* 登录页 */
.login-wrap{display:flex;min-height:100vh;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#4f46e5,#7c3aed)}
.login-card{width:380px;background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.25);
  padding:34px 30px}
.login-card h2{margin:0 0 4px;text-align:center}
.login-card .sub{text-align:center;color:var(--text-soft);margin-bottom:22px;font-size:13px}
.login-card .field{margin-bottom:14px}
.login-card .btn{width:100%;justify-content:center;height:44px;font-size:15px}
.login-alert{background:#fee2e2;color:#dc2626;padding:10px 12px;border-radius:9px;font-size:13px;margin-bottom:14px}

/* 杂项 */
.empty{padding:50px;text-align:center;color:var(--text-soft)}
.page-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;flex-wrap:wrap;gap:10px}
.page-title h2{margin:0;font-size:18px}
.pager{display:flex;justify-content:flex-end;margin-top:14px}
.tip{font-size:12px;color:var(--text-soft);margin-top:6px}
.roadmap li{margin-bottom:8px}
.roadmap-nav{display:flex;flex-direction:column;gap:4px}
.roadmap-nav a{padding:8px 12px;border-radius:8px;color:var(--text);text-decoration:none;font-size:13px;background:rgba(255,255,255,.04);border:1px solid transparent}
.roadmap-nav a:hover{background:rgba(79,70,229,.12)}
.roadmap-nav a.active{background:rgba(79,70,229,.22);color:#fff;border-color:rgba(79,70,229,.5)}

/* 响应式 */
@media (max-width:1100px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .grid-2,.grid-2b{grid-template-columns:1fr}
}
@media (max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .sidebar .close-btn{display:block;position:absolute;right:14px;top:18px;background:none;border:0;
    color:#fff;font-size:20px;cursor:pointer}
  .main{margin-left:0}
  .hamburger{display:block}
  .form-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr 1fr}
  .content{padding:14px}
  .search-box input{width:130px}
}
@media (max-width:480px){
  .stat-grid{grid-template-columns:1fr}
  .topbar .title{font-size:14px}
}

/* 提示条 */
.alert{padding:12px 16px;border-radius:10px;margin:0 0 16px;font-size:14px;line-height:1.5}
.alert-warn{background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.4);color:#f59e0b}