:root{
  --primary:#534AB7;
  --primary-dark:#3F379A;
  --primary-light:#7266D9;
  --primary-bg:#EEEDF8;
  --bg:#F5F6FA;
  --card:#FFFFFF;
  --text:#1F2333;
  --text-2:#5A6072;
  --text-3:#9AA0B0;
  --border:#E6E8EF;
  --green:#16A34A;
  --green-bg:#DCFCE7;
  --red:#DC2626;
  --red-bg:#FEE2E2;
  --orange:#EA580C;
  --orange-bg:#FFEDD5;
  --blue:#2563EB;
  --blue-bg:#DBEAFE;
  --gray:#6B7280;
  --gray-bg:#F3F4F6;
  --shadow:0 1px 3px rgba(20,20,50,.06),0 1px 2px rgba(20,20,50,.04);
  --shadow-lg:0 10px 30px rgba(20,20,50,.12);
  --radius:10px;
  --radius-sm:6px;
  --sidebar-w:120px;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:14px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow:hidden;
}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:14px;color:var(--text);outline:none}
a{color:var(--primary);text-decoration:none}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:#D1D5E0;border-radius:4px}
::-webkit-scrollbar-track{background:transparent}

.login-wrap{position:fixed;inset:0;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow-y:auto;-webkit-overflow-scrolling:touch;background:linear-gradient(135deg,#534AB7 0%,#7266D9 100%);padding:20px}
.login-card{background:#fff;border-radius:16px;padding:40px 32px;width:100%;max-width:380px;box-shadow:0 20px 60px rgba(0,0,0,.2);margin:auto}
.login-logo{width:60px;height:60px;margin:0 auto 16px;background:var(--primary);border-radius:16px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:28px;font-weight:700}
.login-title{text-align:center;font-size:20px;font-weight:600;margin-bottom:4px}
.login-sub{text-align:center;color:var(--text-3);font-size:13px;margin-bottom:28px}
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px;font-weight:500}
.form-input{width:100%;padding:11px 14px;border:1px solid var(--border);border-radius:8px;background:#FAFBFC;transition:.2s}
.form-input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(83,74,183,.1)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 16px;border-radius:8px;font-size:14px;font-weight:500;transition:.15s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;color:var(--text-2);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--gray-bg)}
.btn-danger{background:var(--red);color:#fff}
.btn-danger:hover{background:#B91C1C}
.btn-success{background:var(--green);color:#fff}
.btn-success:hover{background:#15803D}
.btn-sm{padding:6px 12px;font-size:13px;border-radius:6px}
.btn-block{width:100%;padding:12px;font-size:15px}
.btn:disabled{opacity:.5;cursor:not-allowed}

.app{display:none;height:100vh;overflow:hidden}
.app.show{display:flex}
.sidebar{width:var(--sidebar-w);background:var(--card);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:50}
.sidebar-logo{height:64px;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--border);font-weight:700;color:var(--primary);font-size:15px;flex-direction:column;gap:2px}
.sidebar-logo span{font-size:10px;color:var(--text-3);font-weight:400}
.nav{flex:1;padding:12px 8px;overflow-y:auto}
.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:12px 4px;border-radius:8px;color:var(--text-2);font-size:12px;margin-bottom:4px;cursor:pointer;transition:.15s}
.nav-item:hover{background:var(--primary-bg);color:var(--primary)}
.nav-item.active{background:var(--primary);color:#fff}
.nav-item svg{width:22px;height:22px}
.sidebar-footer{padding:12px 8px;border-top:1px solid var(--border)}

.main{flex:1;margin-left:var(--sidebar-w);display:flex;flex-direction:column;height:100vh;overflow:hidden}
.topbar{height:56px;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);display:flex;align-items:center;justify-content:space-between;padding:0 16px;position:sticky;top:0;z-index:40;color:#fff}
.topbar-title{font-size:17px;font-weight:600;color:#fff}
.topbar-right{display:flex;align-items:center;gap:10px}
.topbar-avatar{width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.25);display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:600;cursor:pointer}
.topbar-user{font-size:13px;color:rgba(255,255,255,.85)}
.content{flex:1;padding:24px;max-width:1400px;width:100%;overflow-y:auto;-webkit-overflow-scrolling:touch}

.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.card-title{font-size:15px;font-weight:600}
.card-body{padding:20px}

.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.search-box{position:relative;flex:1;min-width:180px;max-width:320px}
.search-box input{width:100%;padding:9px 12px 9px 34px;border:1px solid var(--border);border-radius:20px;background:var(--bg);transition:.2s}
.search-box input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(83,74,183,.08)}
.search-box svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--text-3)}
.filter-select{padding:9px 12px;border:1px solid var(--border);border-radius:8px;background:#FAFBFC;cursor:pointer;min-width:120px}
.filter-select:focus{border-color:var(--primary);background:#fff}

.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;padding:12px 14px;background:var(--gray-bg);color:var(--text-2);font-weight:500;white-space:nowrap;border-bottom:1px solid var(--border)}
th:first-child{border-top-left-radius:var(--radius-sm)}
th:last-child{border-top-right-radius:var(--radius-sm)}
td{padding:12px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
tr:hover td{background:var(--primary-bg)}
tr:last-child td{border-bottom:none}
.cell-main{font-weight:500;color:var(--text)}
.cell-sub{font-size:12px;color:var(--text-3);margin-top:2px}
.empty-row td{text-align:center;padding:40px;color:var(--text-3)}

.tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:12px;font-size:12px;font-weight:500;white-space:nowrap}
.tag-green{background:var(--green-bg);color:var(--green)}
.tag-red{background:var(--red-bg);color:var(--red)}
.tag-orange{background:var(--orange-bg);color:var(--orange)}
.tag-blue{background:var(--blue-bg);color:var(--blue)}
.tag-gray{background:var(--gray-bg);color:var(--gray)}
.tag-purple{background:var(--primary-bg);color:var(--primary)}

.pagination{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-top:1px solid var(--border);flex-wrap:wrap;gap:10px}
.page-info{font-size:13px;color:var(--text-3)}
.page-btns{display:flex;gap:6px}
.page-btn{min-width:32px;height:32px;padding:0 8px;border:1px solid var(--border);border-radius:6px;background:#fff;font-size:13px;display:inline-flex;align-items:center;justify-content:center}
.page-btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}
.page-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.page-btn:disabled{opacity:.4;cursor:not-allowed}

.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--card);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);display:flex;align-items:center;gap:14px}
.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.stat-icon svg{width:24px;height:24px}
.stat-icon.purple{background:var(--primary-bg);color:var(--primary)}
.stat-icon.green{background:var(--green-bg);color:var(--green)}
.stat-icon.red{background:var(--red-bg);color:var(--red)}
.stat-icon.orange{background:var(--orange-bg);color:var(--orange)}
.stat-info{flex:1;min-width:0}
.stat-label{font-size:12px;color:var(--text-3);margin-bottom:4px}
.stat-value{font-size:22px;font-weight:700;line-height:1}

.modal-mask{position:fixed;inset:0;background:rgba(20,20,40,.5);display:none;align-items:center;justify-content:center;z-index:100;padding:20px;animation:fadeIn .15s}
.modal-mask.show{display:flex}
.modal{background:#fff;border-radius:14px;width:100%;max-width:480px;max-height:90vh;overflow:hidden;display:flex;flex-direction:column;animation:modalIn .2s}
.modal-lg{max-width:640px}
.modal-header{padding:18px 22px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-title{font-size:16px;font-weight:600}
.modal-close{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:6px;color:var(--text-3);font-size:20px}
.modal-close:hover{background:var(--gray-bg);color:var(--text)}
.modal-body{padding:22px;overflow-y:auto;flex:1}
.modal-footer{padding:14px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}
.form-row{margin-bottom:14px}
.form-row label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px;font-weight:500}
.form-row label .req{color:var(--red);margin-left:2px}
.form-row input,.form-row select,.form-row textarea{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;background:#FAFBFC}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{border-color:var(--primary);background:#fff}
.form-row textarea{resize:vertical;min-height:70px;font-family:inherit}
.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-hint{font-size:12px;color:var(--text-3);margin-top:4px}

.group-section{margin-bottom:24px}
.group-header{display:flex;align-items:center;gap:8px;margin-bottom:12px;font-size:14px;font-weight:600;color:var(--text)}
.group-header::before{content:'';width:3px;height:14px;background:var(--primary);border-radius:2px}
.group-count{color:var(--text-3);font-weight:400;font-size:12px}
.plans-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.plan-card{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);border:1px solid transparent;transition:.15s}
.plan-card:hover{border-color:var(--primary);transform:translateY(-1px)}
.plan-card-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:10px}
.plan-name{font-weight:600;font-size:15px}
.plan-price{color:var(--primary);font-weight:700;font-size:16px}
.plan-price small{color:var(--text-3);font-size:12px;text-decoration:line-through;font-weight:400;margin-left:4px}
.plan-desc{font-size:12px;color:var(--text-2);margin-bottom:10px;min-height:32px;word-break:break-all}
.plan-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.plan-actions{display:flex;gap:6px;border-top:1px solid var(--border);padding-top:10px}

.toast-wrap{position:fixed;top:20px;left:50%;transform:translateX(-50%);z-index:9999;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.toast{background:rgba(30,30,50,.95);color:#fff;padding:10px 18px;border-radius:8px;font-size:14px;box-shadow:0 6px 20px rgba(0,0,0,.2);display:flex;align-items:center;gap:8px;animation:toastIn .25s;pointer-events:auto;max-width:90vw}
.toast.success{background:rgba(22,163,74,.95)}
.toast.error{background:rgba(220,38,38,.95)}
.toast.warning{background:rgba(234,88,12,.95)}

@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes modalIn{from{opacity:0;transform:scale(.95) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}
@keyframes toastIn{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}

.cb{width:16px;height:16px;accent-color:var(--primary);cursor:pointer;vertical-align:middle}

.bottom-tab{display:none;position:fixed;bottom:0;left:0;right:0;background:var(--card);border-top:1px solid var(--border);z-index:60;padding:6px 0 env(safe-area-inset-bottom,6px)}
.tab-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 0;font-size:10px;color:var(--text-3);cursor:pointer}
.tab-item svg{width:22px;height:22px}
.tab-item.active{color:var(--primary)}

.more-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.more-item{background:var(--card);border-radius:var(--radius);padding:20px 12px;text-align:center;box-shadow:var(--shadow);cursor:pointer}
.more-item svg{width:28px;height:28px;color:var(--primary);margin-bottom:8px}
.more-item-label{font-size:13px;color:var(--text)}

@media (max-width:1024px){
  .sidebar{display:none}
  .main{margin-left:0}
  .bottom-tab{display:flex}
  .content{padding:16px 12px 80px}
  .topbar{padding:0 16px}
  .topbar-user{display:none}
  .stat-icon{width:40px;height:40px}
  .stat-icon svg{width:20px;height:20px}
  .stat-value{font-size:18px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .form-row-2{grid-template-columns:1fr}
  .toolbar{gap:8px}
  .filter-select{flex:1;min-width:0}
  .search-box{max-width:none}
  .card-header{padding:14px}
  .card-body{padding:14px}
  td,th{padding:10px 10px}
  .modal{max-width:100%}
}
@media (max-width:640px){
  .stats-grid{grid-template-columns:1fr 1fr}
  .plans-grid{grid-template-columns:1fr}
  .topbar-title{font-size:15px}
  .page-btns .page-num{display:none}
}
.hidden{display:none !important}