/* ===== 客户记账管理系统 - 简洁清爽风格 ===== */
:root{
  --bg:#f4f6fa;
  --card:#ffffff;
  --line:#e6e9ef;
  --text:#1f2430;
  --muted:#7b8494;
  --primary:#2563eb;
  --primary-soft:#e8f0fe;
  --green:#16a34a;
  --red:#dc2626;
  --orange:#ea580c;
  --radius:10px;
  --shadow:0 1px 2px rgba(16,24,40,.05),0 1px 3px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);
  font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;font-size:14px;}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}

/* 布局 */
.layout{display:flex;min-height:100vh}
.sidebar{width:200px;flex:0 0 200px;background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0}
.logo{padding:20px 18px;font-size:16px;font-weight:700;border-bottom:1px solid var(--line);letter-spacing:.5px}
.logo span{display:block;font-size:11px;color:var(--muted);font-weight:400;margin-top:4px;letter-spacing:0}
.nav{padding:10px 8px;flex:1}
.nav a{display:block;padding:9px 12px;margin-bottom:2px;border-radius:8px;color:#414a5a;font-size:14px}
.nav a:hover{background:#f2f5fb;text-decoration:none}
.nav a.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
.sidebar-foot{padding:12px 16px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
.sidebar-foot b{color:var(--text)}
.main{flex:1;margin-left:200px;padding:22px 26px 60px;min-width:0}

/* 页头 */
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.page-head h1{margin:0;font-size:20px;font-weight:700}
.page-head .sub{color:var(--muted);font-size:12px;margin-top:4px}
.crumb{font-size:12px;color:var(--muted);margin-bottom:6px}
.crumb a{color:var(--muted)}

/* 卡片 */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px;margin-bottom:16px}
.card h2{margin:0 0 12px;font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:10px}
.card h2 .tip{font-size:12px;color:var(--muted);font-weight:400}

/* 统计卡 */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:16px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 16px}
.stat .label{font-size:12px;color:var(--muted)}
.stat .value{font-size:22px;font-weight:700;margin-top:6px;letter-spacing:-.3px}
.stat .value.small{font-size:18px}
.stat .extra{font-size:11px;color:var(--muted);margin-top:4px}
.stat.blue .value{color:var(--primary)}
.stat.green .value{color:var(--green)}
.stat.orange .value{color:var(--orange)}
.stat.red .value{color:var(--red)}

/* 表格 */
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
th{color:var(--muted);font-weight:600;background:#fafbfd;font-size:12px;position:sticky;top:0}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
tbody tr:hover{background:#fafbff}
.table-wrap{overflow:auto;max-height:520px;border:1px solid var(--line);border-radius:8px}
.table-wrap table{border:0}
tfoot td{font-weight:700;background:#fafbfd}

/* 按钮 / 表单 */
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;color:var(--text);
  padding:7px 14px;border-radius:8px;font-size:13px;cursor:pointer;transition:.15s}
.btn:hover{background:#f3f5fa;text-decoration:none}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:#1d4ed8}
.btn.danger{color:var(--red);border-color:#f3c7c7}
.btn.danger:hover{background:#fdf1f1}
.btn.sm{padding:4px 9px;font-size:12px;border-radius:6px}
.btn:disabled{opacity:.5;cursor:not-allowed}
input,select,textarea{border:1px solid var(--line);border-radius:8px;padding:7px 10px;font-size:13px;
  font-family:inherit;color:var(--text);background:#fff;outline:none;max-width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
input[type=number]{text-align:right}
label{font-size:12px;color:var(--muted);display:block;margin-bottom:4px}
.form-row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.form-row .field{display:flex;flex-direction:column;min-width:120px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:14px}

/* 徽标 */
.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;background:#eef1f6;color:#5a6474}
.badge.ok{background:#e7f6ec;color:var(--green)}
.badge.warn{background:#fff3e5;color:var(--orange)}
.badge.err{background:#fdeaea;color:var(--red)}
.badge.info{background:var(--primary-soft);color:var(--primary)}

/* 客户卡片 */
.cust-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.cust-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}
.cust-card .code{font-size:17px;font-weight:700}
.cust-card .name{color:var(--muted);font-size:12px;margin-top:2px;min-height:16px}
.cust-card .kv{display:flex;justify-content:space-between;font-size:12px;padding:5px 0;border-top:1px dashed var(--line);margin-top:8px}
.cust-card .kv b{font-variant-numeric:tabular-nums}
.cust-card .ops{margin-top:12px;display:flex;gap:6px;flex-wrap:wrap}

/* 拖拽上传 */
.dropzone{border:2px dashed #c9d3e3;border-radius:12px;background:#fbfcfe;padding:38px 20px;text-align:center;color:var(--muted);cursor:pointer;transition:.15s}
.dropzone:hover,.dropzone.dragover{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}
.dropzone .big{font-size:15px;font-weight:600;color:var(--text);margin-bottom:6px}
.dropzone.dragover .big{color:var(--primary)}

/* 预览表 */
.preview-table td{padding:5px 8px}
.preview-table input{padding:4px 6px;font-size:12px;border-radius:6px}
.preview-table select{padding:4px 6px;font-size:12px;border-radius:6px;max-width:220px}
tr.unmatched{background:#fffaf2}
tr.unmatched:hover{background:#fff6e8}

/* 迷你柱图 */
.bars{display:flex;align-items:flex-end;gap:6px;height:110px;padding:6px 0 0}
.bars .bar{flex:1;background:var(--primary-soft);border-radius:4px 4px 0 0;position:relative;min-width:8px}
.bars .bar i{display:block;position:absolute;inset:auto 0 0 0;background:var(--primary);border-radius:4px 4px 0 0}
.bars-x{display:flex;gap:6px;margin-top:4px;font-size:10px;color:var(--muted)}
.bars-x span{flex:1;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 登录 */
.login-body{background:linear-gradient(135deg,#eef3fb,#f7f9fc);display:flex;align-items:center;justify-content:center;min-height:100vh}
.login-card{width:340px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 30px rgba(16,24,40,.08);padding:30px 28px}
.login-card h1{font-size:19px;margin:0 0 4px}
.login-card .sub{color:var(--muted);font-size:12px;margin-bottom:20px}
.login-card .field{margin-bottom:14px}
.login-card input{width:100%}
.login-card .btn{width:100%;justify-content:center;padding:9px}
.alert{background:#fdeaea;color:var(--red);border:1px solid #f7c9c9;border-radius:8px;padding:8px 12px;font-size:12px;margin-bottom:12px}
.hint{font-size:12px;color:var(--muted);margin-top:14px;text-align:center}

/* 两列栅格 */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-main{display:grid;grid-template-columns:1.6fr 1fr;gap:16px}
@media (max-width:900px){ .grid-main{grid-template-columns:1fr} }
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}

/* 报表：周期切换 */
.gran-tabs{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}
.gran-tabs a{padding:7px 16px;font-size:13px;color:#414a5a;border-right:1px solid var(--line);min-height:auto}
.gran-tabs a:last-child{border-right:0}
.gran-tabs a:hover{background:#f2f5fb;text-decoration:none}
.gran-tabs a.active{background:var(--primary);color:#fff;font-weight:600}
.gran-tabs a.active:hover{background:var(--primary)}

/* 报表：涨跌 */
.delta{font-size:12px;font-variant-numeric:tabular-nums;white-space:nowrap;margin-left:6px}
.delta.up{color:var(--red)}
.delta.down{color:var(--green)}
.delta.flat{color:var(--muted)}

/* 报表：三期对比 */
.cmp{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:12px;margin-bottom:16px}
.cmp-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 16px}
.cmp-card.cur{border-color:#bfd3f7;background:linear-gradient(180deg,#f7faff,#fff)}
.cmp-h{font-size:13px;font-weight:700;margin-bottom:10px;padding-bottom:8px;border-bottom:1px dashed var(--line);
  display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.cmp-row{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;padding:6px 0}
.cmp-row span{color:var(--muted);font-size:12px}
.cmp-row b{font-variant-numeric:tabular-nums}
.cmp-row b.green{color:var(--green)}

/* 图表容器 */
.chart-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.chart-wrap svg{min-width:640px}
tr.row-best{background:#f2fbf5}

/* 柱状图配色 */
.bars .bar.green{background:#e7f6ec}
.bars .bar.green i{background:var(--green)}
.bars .bar.red{background:#fdeaea}
.bars .bar.red i{background:var(--red)}

/* 弹窗 */
.modal{display:none;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:120;
  align-items:center;justify-content:center;padding:16px}
.modal.show{display:flex}
.modal-box{background:#fff;border-radius:12px;box-shadow:0 20px 50px rgba(16,24,40,.25);
  width:100%;max-width:560px;max-height:88vh;overflow:auto;padding:20px 22px}
.modal-box h3{margin:0 0 14px;font-size:16px}
.modal-box .field{margin-bottom:12px}
.modal-box input,.modal-box select,.modal-box textarea{width:100%}
.modal-ops{display:flex;gap:10px;justify-content:flex-end;margin-top:16px}

/* 导航分组标题 */
.nav-sep{font-size:11px;color:#a3abbb;padding:12px 12px 4px;letter-spacing:1px}

/* 响应式表格：窄屏转为卡片 */
.rtable td{white-space:normal}
@media (max-width:820px){
  .rtable thead{display:none}
  .rtable tbody tr{display:block;border:1px solid var(--line);border-radius:8px;padding:8px 10px;margin-bottom:10px;background:#fff}
  .rtable tbody tr:hover{background:#fff}
  .rtable td{display:flex;justify-content:space-between;gap:12px;border:0;padding:5px 0;text-align:right}
  .rtable td::before{content:attr(data-label);color:var(--muted);font-size:12px;text-align:left;flex:0 0 auto}
  .rtable tfoot{display:none}
}

/* 其他 */
.empty{text-align:center;color:var(--muted);padding:34px 0;font-size:13px}
.pager{display:flex;gap:6px;justify-content:flex-end;align-items:center;margin-top:12px;font-size:12px;color:var(--muted)}
.flex{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.right{margin-left:auto}
.muted{color:var(--muted)}
.nowrap{white-space:nowrap}
.tiny{font-size:12px}
.toast{position:fixed;right:18px;bottom:18px;background:#1f2430;color:#fff;padding:10px 16px;border-radius:8px;font-size:13px;z-index:99;box-shadow:0 6px 20px rgba(0,0,0,.2)}
scrollbar{width:8px}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#d3d9e3;border-radius:6px}
::-webkit-scrollbar-track{background:transparent}

/* ===== 移动端顶栏（仅在窄屏出现） ===== */
.topbar{display:none;position:fixed;top:0;left:0;right:0;height:52px;z-index:110;
  background:#fff;border-bottom:1px solid var(--line);align-items:center;padding:0 12px;gap:10px}
.menu-btn{border:1px solid var(--line);background:#fff;border-radius:8px;width:36px;height:36px;
  font-size:18px;line-height:1;cursor:pointer;color:var(--text)}
.topbar-title{font-weight:700;font-size:15px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-user{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:20px;padding:5px 10px;cursor:pointer}
.user-menu{display:none;position:fixed;top:54px;right:12px;z-index:115;background:#fff;border:1px solid var(--line);
  border-radius:8px;box-shadow:0 6px 20px rgba(16,24,40,.12);overflow:hidden;min-width:120px}
.user-menu a{display:block;padding:10px 14px;font-size:13px;color:var(--text)}
.user-menu a:hover{background:#f3f5fa;text-decoration:none}
.mask{display:none;position:fixed;inset:0;background:rgba(15,23,42,.4);z-index:105}
.mask.show{display:block}

@media (max-width:900px){
  .topbar{display:flex}
  .sidebar{transform:translateX(-102%);transition:transform .22s ease;z-index:108;width:230px;flex:0 0 230px;
    box-shadow:6px 0 24px rgba(16,24,40,.16)}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0;padding:64px 12px 40px}
  .page-head{margin-bottom:14px}
  .page-head h1{font-size:18px}
  .toolbar{margin-bottom:10px}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .stat{padding:12px}
  .stat .value{font-size:19px}
  .grid2{grid-template-columns:1fr}
  .cust-grid{grid-template-columns:1fr}
  .cmp{grid-template-columns:1fr}
  .card{padding:14px}
  .bars{height:90px}
  .bars-x{font-size:9px}
  input,select,textarea{font-size:16px;padding:8px 10px}
  .btn{padding:8px 14px}
  .btn.sm{padding:6px 10px}
  .form-row .field{flex:1 1 100%;min-width:0}
  .form-row .field input,.form-row .field select{width:100%}
  .form-grid{grid-template-columns:1fr}
  .table-wrap{max-height:none}
  .modal-box{max-height:92vh;padding:16px}
  .toast{left:12px;right:12px;bottom:12px;text-align:center}
  .login-card{width:100%;max-width:360px;margin:0 12px;padding:24px 20px}
  .dropzone{padding:26px 14px}
  .pager{flex-wrap:wrap}
  .crumb{font-size:12px}
}

@media (max-width:420px){
  .stats{grid-template-columns:1fr 1fr;gap:8px}
  .stat .value{font-size:17px}
  .gran-tabs a{padding:7px 12px}
  .page-head h1{font-size:17px}
}

/* 权限勾选网格 */
.perm-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px;margin-top:6px}
.perm-item{display:flex;flex-direction:column;gap:2px;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:13px;cursor:pointer;line-height:1.2}
.perm-item b{font-weight:600}
.perm-item span{color:var(--muted);font-size:11px;line-height:1.3}
.spec-list{display:flex;flex-direction:column;gap:8px}
.spec-row{display:flex;justify-content:space-between;align-items:center;gap:12px;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px 12px}

/* 打印（报表可直接打印/存 PDF） */
@media print{
  .sidebar,.topbar,.mask,.user-menu,.toast{display:none!important}
  .main{margin:0;padding:0}
  .card{break-inside:avoid;box-shadow:none}
}