:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --success: #16a34a;
  --warning: #f59e0b;
  --danger: #dc2626;
  --bg: #f4f6fb;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --radius: 12px;
  --shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.layout { display: flex; min-height: 100vh; }

/* 侧边栏 */
.sidebar {
  border-right: 1px solid #d9dde3;
  width: 220px;
  background: #e7f6fc;
  color: #14306E;
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
}
.brand { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; background: #e7f6fc; margin: -20px -14px 0 -14px; padding: 20px 14px 16px; }
.brand-logo {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, #3b82f6, #06b6d4);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: #fff;
}
.brand-head { display: flex; flex-direction: row; align-items: center; gap: 8px; }
.brand-head strong { font-size: 15px; color: #14306E; }
.brand-en { font-size: 11px; color: #14306E; letter-spacing: .5px; }
.brand-logo-img { height: 20px; width: auto; border-radius: 6px; display: block; }
.auth-brand .brand-logo-img { width: 140px; }


.menu { display: flex; flex-direction: column; gap: 4px; padding-top: 14px; }
.menu-item {
  background: transparent; border: 0; color: #14306E;
  text-align: left; padding: 11px 12px; border-radius: 9px;
  font-size: 14px; cursor: pointer; display: flex; align-items: center; gap: 10px;
  transition: background .15s, color .15s;
}
.menu-item i { font-style: normal; opacity: .8; }
.menu-item:hover { background: rgba(20,48,110,.10); color: #14306E; }
.menu-item.active { background: rgba(20,48,110,.18); color: #14306E; font-weight: 600; }
.sidebar-foot { margin-top: auto; font-size: 11px; color: #14306E; }

/* 主区域 */
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  background: var(--card); padding: 16px 26px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.topbar h1 { margin: 0; font-size: 19px; }
.sub { margin: 3px 0 0; color: var(--muted); font-size: 12px; }
.topbar-actions { display: flex; gap: 10px; }

.content { padding: 22px 26px 40px; overflow: auto; }

/* 按钮 */
.btn {
  border: 1px solid var(--border); background: #fff; color: var(--text);
  padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: 13px;
  transition: all .15s;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-dark); color: #fff; }
.btn.ghost { background: #f8fafc; }
.btn.danger { color: var(--danger); border-color: #fecaca; background: #fff5f5; }
.btn.sm { padding: 5px 10px; font-size: 12px; }
.btn.link { border: 0; background: none; color: var(--primary); padding: 4px 6px; }

/* 卡片 & 网格 */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 16px; }
.card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 16px 18px;
}
.card .label { color: var(--muted); font-size: 12px; }
.card .value { font-size: 24px; font-weight: 700; margin-top: 6px; letter-spacing: .5px; }
.card .foot { font-size: 12px; color: var(--muted); margin-top: 4px; }
.card.accent-blue { border-left: 4px solid var(--primary); }
.card.accent-green { border-left: 4px solid var(--success); }
.card.accent-orange { border-left: 4px solid var(--warning); }
.card.accent-red { border-left: 4px solid var(--danger); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
@media (max-width: 1100px) { .grid-2 { grid-template-columns: 1fr; } }

.panel { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 18px; }
.panel h3 { margin: 0 0 12px; font-size: 15px; }
.panel + .panel, .cards + .grid-2 { margin-top: 16px; }

/* 工具栏 */
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 14px; }
.toolbar .spacer { flex: 1; }
input, select, textarea {
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px;
  font-size: 13px; font-family: inherit; background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(37,99,235,.25); border-color: var(--primary); }
input[type="date"] { min-width: 138px; }

/* 表格 */
.table-wrap { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 11px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { background: #f9fafb; font-weight: 600; color: var(--muted); font-size: 12px; position: sticky; top: 0; z-index: 1; }
tbody tr:hover { background: #f8fafc; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.actions { display: flex; gap: 6px; }

/* 操作列常驻右侧（v1.3）：列表列多需要横向滚动时，「编辑 / 删除」等按钮始终贴在右边可见，
   不再需要拖到表格最底部去找横向滚动条。配合 .table-wrap 的定高内滚一起用。 */
.table-wrap th.actions, .table-wrap td.actions {
  position: sticky;
  right: 0;
  background: var(--card);
  box-shadow: -8px 0 10px -8px rgba(15, 23, 42, .28);
}
.table-wrap th.actions { background: #f9fafb; z-index: 2; }
.table-wrap tbody tr:hover td.actions { background: #f8fafc; }

.tag { padding: 2px 9px; border-radius: 999px; font-size: 12px; background: #f1f5f9; color: #475569; }
.tag.待处理 { background: #fff7ed; color: #c2410c; }
.tag.已确认 { background: #eff6ff; color: #1d4ed8; }
.tag.已完成 { background: #ecfdf5; color: #15803d; }
.tag.已取消 { background: #f3f4f6; color: #6b7280; }
.tag.已出货 { background: #f5f3ff; color: #7c3aed; }
.tag.收款完毕 { background: #ecfdf5; color: #15803d; }
.tag.A { background: #ecfdf5; color: #15803d; }
.tag.B { background: #eff6ff; color: #1d4ed8; }
.tag.C { background: #f3f4f6; color: #6b7280; }

.empty { padding: 40px; text-align: center; color: var(--muted); }

/* 柱状图 */
.chart { display: flex; align-items: flex-end; gap: 8px; height: 190px; padding-top: 10px; }
.chart .bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.chart .bar {
  width: 100%; max-width: 42px; border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, #60a5fa, #2563eb); min-height: 3px;
  transition: height .3s;
}
.chart .bar-label { font-size: 11px; color: var(--muted); }
.chart .bar-value { font-size: 11px; color: var(--muted); }

.rank { display: flex; flex-direction: column; gap: 10px; }
.rank-row { display: flex; align-items: center; gap: 10px; }
.rank-row .name { flex: 1; overflow: hidden; text-overflow: ellipsis; }
.rank-bar { display: block; height: 8px; border-radius: 4px; background: linear-gradient(90deg, #60a5fa, #2563eb); transition: width .3s ease; }
.rank-track { flex: 2; height: 8px; background: #f1f5f9; border-radius: 4px; overflow: hidden; }
.rank-val { width: 96px; text-align: right; font-variant-numeric: tabular-nums; }

/* 模态 */
.modal-mask {
  position: fixed; inset: 0; background: rgba(15,23,42,.45);
  display: flex; align-items: center; justify-content: center; padding: 20px; z-index: 50;
}
.modal {
  background: #fff; border-radius: 14px; width: 100%; max-width: 640px;
  max-height: 90vh; overflow: auto; box-shadow: 0 20px 50px rgba(15,23,42,.25);
}
.modal.wide { max-width: 980px; }
.modal-head { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-head h3 { margin: 0; font-size: 16px; }
.modal-body { padding: 18px 20px; }
.modal-foot { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }
.close { border: 0; background: none; font-size: 20px; cursor: pointer; color: var(--muted); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 12px; color: var(--muted); }
.field input, .field select, .field textarea { width: 100%; }

.items-table { width: 100%; margin-top: 8px; }
.items-table th, .items-table td { padding: 6px 8px; }
.items-table input, .items-table select { width: 100%; min-width: 90px; }
.items-table .i-product { min-width: 250px; }
.total-line { display: flex; justify-content: flex-end; gap: 20px; margin-top: 12px; font-weight: 600; }

/* ================= 登录 / 首次初始化 ================= */
.auth-gate {
  position: fixed; inset: 0; z-index: 200;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 18px; padding: 24px;
  background: radial-gradient(1100px 560px at 22% 8%, #1e3a8a 0%, #0f172a 46%, #020617 100%);
}
/* 细网格纹理 */
.auth-gate::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 34px 34px;
}
.auth-card {
  position: relative; z-index: 1; width: 100%; max-width: 400px;
  background: var(--card); border-radius: 16px; padding: 30px 30px 26px;
  box-shadow: 0 24px 60px rgba(2, 6, 23, .55);
  animation: authIn .32s ease-out;
}
@keyframes authIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.auth-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.auth-brand .brand-logo { width: 44px; height: 44px; border-radius: 12px; font-size: 16px; flex: none; }
.auth-brand h1 { margin: 0; font-size: 18px; }
.auth-brand .sub { margin: 2px 0 0; font-size: 12px; }

.auth-form { display: flex; flex-direction: column; gap: 13px; }
.auth-form label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 5px; }
.auth-form input { width: 100%; padding: 11px 12px; font-size: 14px; border-radius: 9px; }
.auth-form .btn { width: 100%; padding: 11px; font-size: 14px; margin-top: 4px; }
.auth-form .btn:disabled { opacity: .65; cursor: not-allowed; }
.auth-pwd-wrap { position: relative; }
.auth-pwd-wrap input { padding-right: 54px; }
.auth-eye {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  border: 0; background: none; color: var(--muted); font-size: 12px;
  cursor: pointer; padding: 6px 8px; border-radius: 6px;
}
.auth-eye:hover { color: var(--primary); background: #f1f5f9; }
.auth-msg { display: none; padding: 9px 12px; border-radius: 8px; font-size: 12.5px; line-height: 1.5; }
.auth-msg.show { display: block; }
.auth-msg.error { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.auth-msg.info { background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe; }
.auth-hint { margin: 14px 0 0; font-size: 12px; color: var(--muted); line-height: 1.65; }
.auth-foot { position: relative; z-index: 1; color: #64748b; font-size: 12px; }

/* 顶栏当前用户 */
.whoami { font-size: 12px; color: var(--muted); margin-right: 2px; white-space: nowrap; }
.whoami b { color: var(--text); }

/* 业务数据导出按钮组 */
.export-grid { display: flex; flex-wrap: wrap; gap: 8px; }
/* Toast */
.toast {
  position: fixed; left: 50%; bottom: 40px; transform: translate(-50%, 20px);
  background: #111827; color: #fff; padding: 10px 18px; border-radius: 8px;
  opacity: 0; pointer-events: none; transition: all .2s; z-index: 99; font-size: 13px;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.error { background: var(--danger); }

/* 产品分类管理 */
.cat-add { display: flex; gap: 10px; margin-bottom: 14px; }
.cat-add input { flex: 1; }
.cat-tip { color: var(--muted); font-size: 12px; margin-bottom: 12px; }
.mt { margin-top: 16px; }
.muted { color: var(--muted); font-size: 13px; }
.model-list { margin-bottom: 10px; max-height: 220px; overflow: auto; }
.model-item { display: flex; justify-content: space-between; align-items: center; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 8px; background: var(--bg); }
.model-item b { font-weight: 600; }
.model-item i { color: var(--muted); font-style: normal; font-size: 12px; margin-left: 6px; }
.model-add { display: flex; gap: 8px; }
.model-add input { flex: 1; }
.cat-edit-input { flex: 1; padding: 6px 8px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; }
.cat-list { display: flex; flex-direction: column; gap: 8px; }
.cat-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: #fff;
}
.cat-name { font-weight: 600; }
.cat-count { color: var(--muted); font-size: 12px; }
.cat-ops { margin-left: auto; display: flex; gap: 6px; }
.cat-ops .btn:disabled { opacity: .45; cursor: not-allowed; }

/* 对账状态标签 / 订单列表的客户分组行 */
.tag.已对账 { background: #ecfdf5; color: #15803d; }
.tag.未对账 { background: #fef3c7; color: #b45309; }
tr.group-head { background: #f8fafc; cursor: pointer; font-weight: 600; }
tr.group-head:hover { background: #f1f5f9; }
tr.group-head .toggle { display: inline-block; width: 14px; }
.month-group + .month-group tr.group-head td { border-top: 2px solid #e2e8f0; }

/* 订单管理：客户 / 月份 筛选行 */
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 0 0 10px; }
.filter-row .filter-label { font-size: 12px; color: #6b7280; min-width: 32px; }
.toolbar .filter-label { font-size: 12px; color: #6b7280; }
.chip {
  border: 1px solid var(--border); background: #fff; color: var(--text);
  border-radius: 999px; padding: 5px 12px; font-size: 12px; cursor: pointer; font-family: inherit;
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.on { background: var(--primary); border-color: var(--primary); color: #fff; }
.tag.逾期 { background: #fee2e2; color: #b91c1c; }

/* 对账工作台 · 客户组产品汇总 */
.ps-box { padding: 6px 4px; }
.ps-table { width: 100%; border-collapse: collapse; font-size: 13px; background: #fff; }
.ps-table th, .ps-table td { border-bottom: 1px solid #e2e8f0; padding: 4px 8px; text-align: left; }
.ps-table th.num, .ps-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.ps-table thead th { color: #64748b; font-weight: 600; background: #f8fafc; }

/* ---------- 收款管理 · 12 个月方块（收款计划 / 回款流水） ---------- */
.month-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 10px; margin-top: 8px; }
@media (max-width: 1500px) { .month-grid { grid-template-columns: repeat(6, 1fr); } }
@media (max-width: 900px)  { .month-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 560px)  { .month-grid { grid-template-columns: repeat(3, 1fr); } }
.month-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 10px 6px; text-align: center; box-shadow: var(--shadow); }
.month-card.cur { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(20,48,110,.15); }
.month-card .mc-m { font-size: 12px; color: var(--muted); font-weight: 600; }
.month-card .mc-v { font-size: 15px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; }
.month-card .mc-sub { font-size: 11px; color: var(--muted); margin-top: 2px; }
.month-card .mc-rev { color: var(--danger); }
.month-card .mc-inc { color: var(--success); }