/* ============================================================
 * 客户下单预警系统 · 样式
 * ============================================================ */
:root{
  --bg:#f6f7f9;
  --panel:#ffffff;
  --border:#e9ebef;
  --border-soft:#f1f3f6;
  --text:#14181f;
  --text-2:#525b6b;
  --muted:#98a1b0;

  --primary:#1f6feb;
  --primary-600:#1a5fd0;
  --primary-soft:#eef4ff;

  --danger:#d92d20;
  --danger-soft:#fef3f2;
  --warn:#b54708;
  --warn-soft:#fffaeb;
  --success:#067647;
  --success-soft:#ecfdf3;

  --radius:12px;
  --radius-sm:8px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.04);
  --shadow:0 1px 3px rgba(16,24,40,.05),0 1px 2px rgba(16,24,40,.03);
  --shadow-lg:0 16px 40px rgba(16,24,40,.16);

  --topbar-h:60px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:14px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
h2{font-size:20px;margin:0;font-weight:600;letter-spacing:-.01em}
h3{font-size:14.5px;margin:0;font-weight:600}
code{background:#f2f4f7;padding:1px 5px;border-radius:4px;font-size:12px;color:#475467}
b,strong{font-weight:600}
::selection{background:#dbeafe}

/* ---------------- 顶栏 ---------------- */
.topbar{
  height:var(--topbar-h);background:#fff;border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 20px;
  position:sticky;top:0;z-index:40;
}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.logo{
  width:32px;height:32px;flex:none;border-radius:9px;
  background:linear-gradient(135deg,#1f6feb,#6172f3);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;
}
.brand strong{display:block;font-size:14.5px;letter-spacing:.2px;white-space:nowrap}
.brand em{display:block;font-style:normal;font-size:11.5px;color:var(--muted);white-space:nowrap}
.topbar-right{display:flex;align-items:center;gap:20px;flex:none}
.clock{text-align:right;line-height:1.25}
.clock span{font-size:14px;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:.3px}
.clock small{display:block;font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}
.next-push{font-size:12px;color:var(--muted);white-space:nowrap}
.next-push b{color:var(--primary);font-variant-numeric:tabular-nums;font-weight:600}

/* ---------------- 开关 ---------------- */
.switch{
  display:inline-flex;align-items:center;gap:9px;cursor:pointer;user-select:none;max-width:100%;
}
.switch.block{width:100%;align-items:flex-start}
.switch input{display:none}
.switch .slider{
  display:inline-block;flex:none;width:38px;height:21px;border-radius:20px;
  background:#d5d9e0;position:relative;transition:background .18s;margin-top:2px;
}
.switch .slider::after{
  content:"";position:absolute;top:2px;left:2px;width:17px;height:17px;border-radius:50%;
  background:#fff;transition:transform .18s;box-shadow:0 1px 2px rgba(16,24,40,.25);
}
.switch input:checked + .slider{background:var(--primary)}
.switch input:checked + .slider::after{transform:translateX(17px)}
.switch i{font-style:normal;font-size:12.5px;color:var(--text-2);line-height:1.5;min-width:0;flex:1}
.switch.block i{font-size:13px}

/* ---------------- 布局 ---------------- */
.layout{display:flex;min-height:calc(100vh - var(--topbar-h));align-items:flex-start}
.sidebar{
  width:208px;flex:none;background:#fff;border-right:1px solid var(--border);
  padding:14px 10px;display:flex;flex-direction:column;justify-content:space-between;gap:12px;
  position:sticky;top:var(--topbar-h);height:calc(100vh - var(--topbar-h));
}
.nav-item{
  display:flex;align-items:center;gap:9px;width:100%;padding:9px 11px;margin-bottom:2px;
  border:0;background:transparent;border-radius:var(--radius-sm);cursor:pointer;
  font-size:13.5px;color:var(--text-2);text-align:left;font-family:inherit;transition:.15s;
}
.nav-item:hover{background:#f5f6f8;color:var(--text)}
.nav-item.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
.nav-item span{font-size:13px;width:18px;text-align:center;opacity:.9}
.sidebar-foot .tip{
  font-size:11.5px;color:var(--muted);background:#fafbfc;border:1px solid var(--border-soft);
  border-radius:var(--radius-sm);padding:9px 10px;line-height:1.6;
}
.content{flex:1;padding:20px;min-width:0}
.view{display:none;max-width:1440px;margin:0 auto}
.view.active{display:block}

/* ---------------- 页头 ---------------- */
.page-head{
  display:flex;justify-content:space-between;align-items:flex-end;gap:12px;
  margin-bottom:16px;flex-wrap:wrap;
}
.page-head .sub{margin:4px 0 0;color:var(--muted);font-size:12.5px}
.head-actions{display:flex;gap:8px;flex-wrap:wrap}

/* ---------------- 控件 ---------------- */
.btn{
  border:1px solid var(--border);background:#fff;color:#363f4d;padding:7px 14px;border-radius:var(--radius-sm);
  font-size:13px;cursor:pointer;font-family:inherit;transition:.15s;white-space:nowrap;
  display:inline-flex;align-items:center;justify-content:center;
}
.btn:hover{border-color:#d0d5dd;background:#fafbfc}
.btn:active{background:#f2f4f7}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}
.btn.primary:hover{background:var(--primary-600);border-color:var(--primary-600)}
.btn.ghost{background:#fff}
.btn.danger{background:#fff;border-color:#fda29b;color:var(--danger)}
.btn.danger:hover{background:var(--danger-soft)}
.btn.sm{padding:4px 10px;font-size:12px;border-radius:6px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.link{border:0;background:none;color:var(--primary);cursor:pointer;font-size:12.5px;padding:0;font-family:inherit}
.link:hover{text-decoration:underline}
.icon-btn{border:0;background:none;font-size:15px;cursor:pointer;color:var(--muted);line-height:1;padding:4px;border-radius:6px}
.icon-btn:hover{background:#f2f4f7;color:var(--text)}

.input{
  border:1px solid #dfe3e8;border-radius:var(--radius-sm);padding:7px 10px;font-size:13px;
  font-family:inherit;color:var(--text);background:#fff;outline:none;width:100%;transition:.15s;
}
.input:hover{border-color:#cfd5dd}
.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,111,235,.12)}
textarea.input{resize:vertical;line-height:1.65}
select.input{cursor:pointer}

/* ---------------- 统计卡 ---------------- */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(168px,1fr));gap:12px;margin-bottom:14px}
.stat-card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:14px 16px 13px;box-shadow:var(--shadow);position:relative;
}
.stat-card::after{
  content:"";position:absolute;right:14px;top:16px;width:8px;height:8px;border-radius:50%;background:var(--primary);
}
.stat-card.danger::after{background:var(--danger)}
.stat-card.warn::after{background:#eaaa08}
.stat-card.success::after{background:#12b76a}
.stat-label{display:block;font-size:12.5px;color:var(--text-2);padding-right:16px}
.stat-value{
  display:block;font-size:26px;font-weight:600;line-height:1.3;margin-top:2px;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-card.danger .stat-value{color:var(--danger)}
.stat-foot{display:block;font-size:11.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------------- 面板 ---------------- */
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:12px;margin-bottom:12px}
.panel{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:15px 16px;box-shadow:var(--shadow);margin-bottom:12px;min-width:0;
}
.grid-2 .panel{margin-bottom:0}
.panel:last-child{margin-bottom:0}
.panel-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px}
.tag{font-size:11.5px;background:var(--danger-soft);color:var(--danger);padding:2px 8px;border-radius:6px;font-weight:600;white-space:nowrap}
.tag.ghost{background:#f2f4f7;color:var(--muted);font-weight:500}

/* ---------------- 筛选栏 ---------------- */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;align-items:center}
.filters .input{width:auto;min-width:150px;flex:1 1 150px}
.filters #fKeyword,.filters #lKeyword{flex:2 1 220px}
.filters select.input{flex:1 1 150px}
.filters .btn{flex:0 0 auto}

/* ---------------- 表格 ---------------- */
.table-wrap{overflow-x:auto;margin:0 -4px;padding:0 4px}
.table-wrap::-webkit-scrollbar{height:8px}
.table-wrap::-webkit-scrollbar-thumb{background:#dfe3e8;border-radius:8px}
.table-wrap::-webkit-scrollbar-thumb:hover{background:#cbd2db}
table{width:100%;border-collapse:collapse;font-size:13px}
th{
  text-align:left;font-weight:500;color:var(--muted);font-size:12px;
  padding:9px 10px;border-bottom:1px solid var(--border);white-space:nowrap;
}
td{padding:10px;border-bottom:1px solid var(--border-soft);vertical-align:middle;color:var(--text-2)}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fafbfc}
td b,td strong{color:var(--text)}
.nowrap{white-space:nowrap}
.right{text-align:right}
.empty{padding:28px 10px;text-align:center;color:var(--muted);font-size:13px}
.table-foot{
  padding:10px 2px 0;color:var(--muted);font-size:12px;
  display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;
}

.pill{display:inline-block;padding:2px 8px;border-radius:6px;font-size:11.5px;font-weight:600;white-space:nowrap}
.pill.danger{background:var(--danger-soft);color:var(--danger)}
.pill.warn{background:var(--warn-soft);color:var(--warn)}
.pill.success{background:var(--success-soft);color:var(--success)}
.pill.info{background:var(--primary-soft);color:var(--primary)}
.pill.muted{background:#f2f4f7;color:#667085}
.actions{display:flex;gap:6px;justify-content:flex-end}

/* ---------------- 图表 ---------------- */
.chart{display:flex;flex-direction:column;gap:10px}
.bar-row{display:grid;grid-template-columns:70px 1fr 52px;align-items:center;gap:10px;font-size:12.5px;color:var(--text-2)}
.bar-track{background:#f2f4f7;border-radius:6px;height:16px;overflow:hidden}
.bar-fill{height:100%;border-radius:6px;background:linear-gradient(90deg,#7ba9f7,#1f6feb);transition:width .4s}
.bar-fill.danger{background:linear-gradient(90deg,#f3877f,#d92d20)}
.bar-fill.warn{background:linear-gradient(90deg,#f5c26b,#eaaa08)}
.bar-fill.success{background:linear-gradient(90deg,#6ee7a8,#12b76a)}
.bar-fill.info{background:linear-gradient(90deg,#b1a5f8,#7a5af8)}
.bar-val{text-align:right;color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px}

/* ---------------- 表单 ---------------- */
.form{display:flex;flex-direction:column;gap:16px}
.field{min-width:0}
.field label:not(.switch){display:block;font-size:12.5px;color:var(--text-2);margin-bottom:6px;font-weight:500}
.field.row{display:flex;gap:8px;flex-wrap:wrap}
.hint{margin:6px 0 0;font-size:11.5px;color:var(--muted);line-height:1.6}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{
  border:1px solid #dfe3e8;background:#fff;border-radius:7px;padding:5px 11px;font-size:12.5px;
  cursor:pointer;color:var(--text-2);font-family:inherit;display:inline-flex;align-items:center;gap:5px;transition:.15s;
}
.chip:hover{border-color:#c3c9d2;background:#fafbfc}
.chip.on{background:var(--primary-soft);border-color:#c2d6ff;color:var(--primary);font-weight:600}
.chip .x{color:var(--muted);font-size:10px}
.chip.on .x{color:var(--primary)}
.chip-actions{display:flex;gap:14px;margin-bottom:8px}
.time-add{display:flex;gap:8px;margin-bottom:8px}
.time-add .input{width:130px;flex:none}
.preview{
  background:#fafbfc;border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:11px 12px;font-size:12.5px;color:var(--text-2);line-height:1.7;white-space:pre-wrap;word-break:break-word;
}
.storage{
  background:#fafbfc;border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:11px 12px;font-size:12.5px;color:var(--text-2);line-height:1.85;
}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#12b76a;margin-right:6px;vertical-align:middle}
.doc ol{margin:0;padding-left:19px;font-size:13px;line-height:1.85;color:var(--text-2)}
.doc li{margin-bottom:6px}
.doc li:last-child{margin-bottom:0}

/* ---------------- 弹窗 ---------------- */
.modal-mask{
  position:fixed;inset:0;background:rgba(16,24,40,.42);
  display:flex;align-items:flex-start;justify-content:center;z-index:60;padding:48px 16px;overflow:auto;
}
.modal-mask.hidden{display:none}
.modal{
  background:#fff;border-radius:14px;width:100%;max-width:560px;
  box-shadow:var(--shadow-lg);animation:pop .18s ease-out;
}
@keyframes pop{from{opacity:0;transform:translateY(-8px) scale(.99)}to{opacity:1;transform:none}}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:15px 18px;border-bottom:1px solid var(--border)}
.modal-body{padding:18px;max-height:60vh;overflow:auto}
.modal-foot{padding:12px 18px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid .full{grid-column:1/-1}
.form-grid > div{min-width:0}
.form-grid label{
  display:block;font-size:12.5px;color:var(--text-2);margin-bottom:6px;font-weight:500;
}
.msg-box{
  background:#fafbfc;border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:12px;font-size:12.5px;line-height:1.75;white-space:pre-wrap;word-break:break-word;color:var(--text-2);
}
.kv{display:grid;grid-template-columns:76px 1fr;gap:7px 10px;font-size:13px;margin:0 0 12px}
.kv dt{color:var(--muted)}
.kv dd{margin:0;color:var(--text);word-break:break-word}

/* ---------------- 提示 ---------------- */
.toasts{position:fixed;right:20px;bottom:20px;display:flex;flex-direction:column;gap:8px;z-index:80;max-width:340px}
.toast{
  background:#fff;border:1px solid var(--border);border-left:3px solid var(--primary);
  border-radius:var(--radius-sm);padding:10px 14px;box-shadow:var(--shadow-lg);font-size:13px;
  animation:slidein .22s ease-out;
}
.toast.success{border-left-color:#12b76a}
.toast.error{border-left-color:var(--danger)}
.toast.warn{border-left-color:#eaaa08}
.toast b{display:block;font-size:13px;margin-bottom:1px;color:var(--text)}
.toast span{display:block;color:var(--muted);font-size:12px;line-height:1.5}
@keyframes slidein{from{opacity:0;transform:translateX(12px)}to{opacity:1;transform:none}}

/* ============================================================
 * 响应式
 * ============================================================ */

/* 笔记本 / 小桌面 */
@media (max-width:1200px){
  .sidebar{width:176px}
  .content{padding:18px}
}

/* 平板及以下：侧栏转顶部横向导航 */
@media (max-width:1024px){
  .layout{flex-direction:column}
  .sidebar{
    width:100%;height:auto;position:sticky;top:var(--topbar-h);z-index:35;
    flex-direction:row;align-items:center;border-right:0;border-bottom:1px solid var(--border);
    padding:8px 12px;overflow-x:auto;
  }
  .sidebar nav{display:flex;gap:4px;width:100%}
  .nav-item{width:auto;margin:0;white-space:nowrap;padding:7px 12px}
  .sidebar-foot{display:none}
  .content{padding:16px}
  .grid-2{grid-template-columns:repeat(auto-fit,minmax(340px,1fr))}
}

/* 大号手机 / 竖屏平板 */
@media (max-width:768px){
  .topbar{height:auto;min-height:56px;padding:8px 14px;gap:10px}
  .brand em{display:none}
  .topbar-right{gap:14px}
  .clock small{display:none}
  .next-push{display:none}
  .content{padding:14px}
  .page-head{margin-bottom:14px}
  .page-head .head-actions{width:100%}
  .page-head .head-actions .btn{flex:1}
  h2{font-size:18px}

  .stat-grid{grid-template-columns:1fr 1fr;gap:10px}
  .stat-card{padding:12px 13px}
  .stat-value{font-size:22px}
  .stat-foot{font-size:11px}

  .grid-2{grid-template-columns:1fr;gap:10px;margin-bottom:10px}
  .panel{padding:13px 14px;margin-bottom:10px}

  .filters{gap:8px}
  .filters .input{flex:1 1 100%;min-width:0}
  .filters .btn{flex:1 1 100%}

  .field.row .btn{flex:1 1 calc(50% - 4px)}

  #customerTable table,#logTable table,#salesTable table{min-width:680px}
  #alertList table{min-width:520px}
  .table-foot{font-size:11.5px}

  .form-grid{grid-template-columns:1fr;gap:14px}
  .modal-mask{padding:16px 12px}
  .modal{max-width:100%;border-radius:12px}
  .modal-body{max-height:calc(100vh - 230px)}
  .modal-foot .btn{flex:1}

  .toasts{right:12px;left:12px;bottom:12px;max-width:none}
  .bar-row{grid-template-columns:62px 1fr 46px;gap:8px;font-size:12px}
}

/* 常规手机 */
@media (max-width:480px){
  body{font-size:13.5px}
  .content{padding:12px}
  .panel{padding:12px}
  .logo{width:28px;height:28px;font-size:13px;border-radius:8px}
  .brand strong{font-size:13.5px}
  .switch i{font-size:12px}
  .stat-grid{gap:8px}
  .stat-card{padding:11px 12px}
  .stat-value{font-size:20px}
  .stat-label{font-size:11.5px}
  .stat-foot{white-space:normal;line-height:1.45}
  .topbar-right{gap:10px}
  .clock span{font-size:13px}
  .btn{padding:8px 12px;font-size:12.5px}
  .field.row .btn{flex:1 1 100%}
  .chip{padding:5px 10px;font-size:12px}
  .kv{grid-template-columns:68px 1fr;font-size:12.5px}
}

/* 超窄屏 */
@media (max-width:360px){
  .stat-grid{grid-template-columns:1fr}
  .nav-item{padding:6px 10px;font-size:12.5px}
  .nav-item span{display:none}
}

/* 大屏 */
@media (min-width:1600px){
  .content{padding:24px 28px}
  .stat-grid{gap:14px}
  .grid-2{gap:14px}
}

/* 触屏：去掉 hover 残留态 */
@media (hover:none){
  tbody tr:hover{background:transparent}
  .btn:hover{border-color:var(--border);background:#fff}
  .btn.primary:hover{background:var(--primary)}
}