/* ==========================================================
   恒信家电维修 · 商家后台样式
   ========================================================== */
:root{
  --primary:#0e4a75;
  --primary-d:#0a3757;
  --primary-l:#e8f1f8;
  --accent:#ff6a2b;
  --ink:#12202e;
  --ink-2:#40566b;
  --muted:#7d8fa1;
  --line:#e3ebf2;
  --bg:#f4f7fa;
  --ok:#1f9d55;
  --warn:#c47f00;
  --danger:#c9401f;
  --radius:12px;
}
*{box-sizing:border-box}
body{margin:0;font:14px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0}

/* ---------------- 侧栏 ---------------- */
body.adm{display:flex;min-height:100vh}
.side{
  width:226px;flex:0 0 226px;background:#0b2c44;color:rgba(255,255,255,.82);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
}
.side-brand{display:flex;gap:10px;align-items:center;padding:20px 18px;border-bottom:1px solid rgba(255,255,255,.1)}
.side-brand .bm{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,#1c7fc0,#0e4a75);color:#fff;font-weight:700;font-size:18px;flex:0 0 auto;
}
.side-brand strong{display:block;font-size:15px;color:#fff;line-height:1.3}
.side-brand em{font-style:normal;font-size:11.5px;color:rgba(255,255,255,.55)}
.side-nav{display:flex;flex-direction:column;padding:12px 10px;gap:2px;flex:1;overflow:auto}
.side-nav a{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:9px;color:rgba(255,255,255,.78);font-size:14px}
.side-nav a i{font-style:normal;width:18px;text-align:center;opacity:.9}
.side-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.side-nav a.on{background:#12608f;color:#fff;font-weight:600}
.side-foot{padding:14px 18px 20px;display:flex;flex-direction:column;gap:8px;border-top:1px solid rgba(255,255,255,.1);font-size:13px}
.side-foot a{color:rgba(255,255,255,.6)}
.side-foot a:hover{color:#fff}

/* ---------------- 主区 ---------------- */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.main-top{padding:20px 26px;background:#fff;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.main-top h1{font-size:21px;letter-spacing:.5px}
.main-top p{margin:4px 0 0;font-size:12.5px;color:var(--muted)}
.main-top-actions{display:flex;gap:10px;align-items:center}
.main-body{padding:22px 26px 40px;flex:1}
.adm-flash{margin-bottom:16px}

/* ---------------- 按钮 ---------------- */
.abtn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:9px 16px;border-radius:9px;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);font-size:13.5px;cursor:pointer;font-family:inherit;transition:.15s;white-space:nowrap;
}
.abtn:hover{border-color:#b9d3e6;color:var(--primary)}
.abtn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.abtn-primary:hover{background:var(--primary-d);border-color:var(--primary-d);color:#fff}
.abtn-danger{background:#fff;border-color:#efc7bb;color:var(--danger)}
.abtn-danger:hover{background:#fff5f2;border-color:var(--danger);color:var(--danger)}
.abtn-sm{padding:6px 11px;font-size:12.5px;border-radius:7px}
.abtn-block{width:100%;justify-content:center}
.abtn[disabled]{opacity:.5;cursor:not-allowed}

/* ---------------- 卡片 / 统计 ---------------- */
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:18px}
.panel-head{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:16px;flex-wrap:wrap}
.panel-head h2{font-size:16px}
.panel-head .sub{font-size:12.5px;color:var(--muted);margin-top:3px}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:20px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 18px 16px;position:relative;overflow:hidden}
.stat b{display:block;font-size:26px;line-height:1.2;color:var(--ink);letter-spacing:.5px}
.stat span{font-size:12.5px;color:var(--muted)}
.stat .tagline{position:absolute;right:12px;top:14px;font-size:11.5px;color:var(--muted)}
.stat.primary{border-color:#cfe3f2;background:linear-gradient(180deg,#f7fbfe,#fff)}
.stat.warn b{color:var(--warn)}
.stat.ok b{color:var(--ok)}
.stat.accent b{color:var(--accent)}

/* ---------------- 表格 ---------------- */
.tbl-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px;min-width:720px}
.tbl th{text-align:left;font-weight:600;color:var(--ink-2);background:#f7fafd;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:hover td{background:#fbfdff}
.tbl .nowrap{white-space:nowrap}
.tbl .num{font-variant-numeric:tabular-nums}
.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12.5px}

/* 徽标 */
.badge{display:inline-block;font-size:12px;padding:2px 9px;border-radius:99px;line-height:1.7;white-space:nowrap}
.badge.warn{background:#fff5e2;color:var(--warn)}
.badge.info{background:#eaf4fd;color:#14608f}
.badge.primary{background:#e8f1f8;color:var(--primary)}
.badge.success{background:#eafaf0;color:var(--ok)}
.badge.muted{background:#f0f3f6;color:#7a8b9b}
.badge.danger{background:#fdeceb;color:var(--danger)}

/* ---------------- 表单 ---------------- */
.field{margin-bottom:14px}
.field label{display:block;font-size:12.8px;color:var(--ink-2);margin-bottom:6px;font-weight:600}
.field label .req{color:var(--accent)}
.field input[type=text],.field input[type=tel],.field input[type=number],.field input[type=date],
.field input[type=password],.field select,.field textarea{
  width:100%;padding:9px 12px;border:1px solid #d7e3ee;border-radius:8px;background:#fff;
  font-size:14px;color:var(--ink);font-family:inherit;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,74,117,.1)}
.field textarea{min-height:80px;resize:vertical}
.field .hint{font-size:12px;color:var(--muted);margin-top:5px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0 14px}

/* 筛选条 */
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:16px}
.filters .f{display:flex;flex-direction:column;gap:5px}
.filters label{font-size:12px;color:var(--muted)}
.filters input,.filters select{padding:8px 11px;border:1px solid #d7e3ee;border-radius:8px;font-size:13.5px;font-family:inherit;background:#fff}
.filters .grow{flex:1;min-width:180px}
.filters .grow input{width:100%}

/* ---------------- 提示 ---------------- */
.flash{padding:11px 15px;border-radius:9px;font-size:13.5px;margin-bottom:10px;border:1px solid}
.flash-success{background:#eefaf2;border-color:#b7e6c8;color:#17663a}
.flash-error{background:#fff1ee;border-color:#f6c9bc;color:#b23a1c}
.flash-info{background:#eef6fd;border-color:#c4e0f5;color:#12557f}

/* ---------------- 工单详情 ---------------- */
.detail-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:18px;align-items:start}
.kv{list-style:none;margin:0;padding:0;font-size:13.5px}
.kv li{display:flex;justify-content:space-between;gap:16px;padding:8px 0;border-bottom:1px dashed var(--line)}
.kv li:last-child{border:0}
.kv .k{color:var(--muted);flex:0 0 auto}
.kv .v{text-align:right;word-break:break-all}
.kv li.big .v{font-size:21px;font-weight:800;color:var(--accent)}

.timeline{list-style:none;margin:0;padding:0;font-size:13px}
.timeline li{position:relative;padding:0 0 16px 22px;border-left:2px solid var(--line)}
.timeline li:last-child{border-left-color:transparent;padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-6px;top:4px;width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid var(--primary)}
.timeline .t-title{font-weight:600}
.timeline .t-time{color:var(--muted);font-size:12px}
.timeline .t-note{color:var(--ink-2);font-size:12.5px;margin-top:2px}

.action-box{border-top:1px solid var(--line);margin-top:16px;padding-top:16px}
.action-box h3{font-size:14px;margin-bottom:10px}
.action-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.inline-form{display:flex;gap:8px;align-items:flex-end;flex-wrap:wrap}
.inline-form .field{margin-bottom:0;flex:1;min-width:120px}

/* 收款码预览 */
.qr-preview{display:flex;gap:16px;flex-wrap:wrap;margin-top:8px}
.qr-preview img{width:120px;height:120px;object-fit:contain;border:1px solid var(--line);border-radius:8px;background:#fff;padding:5px}

/* 空状态 */
.empty{text-align:center;padding:36px 16px;color:var(--muted)}

/* 分页 */
.pager{display:flex;gap:6px;justify-content:flex-end;margin-top:16px;flex-wrap:wrap}
.pager .pg{min-width:32px;height:32px;display:grid;place-items:center;border-radius:7px;border:1px solid var(--line);background:#fff;font-size:13px;color:var(--ink-2)}
.pager .pg.on{background:var(--primary);border-color:var(--primary);color:#fff}
.pager .pg-dot{color:var(--muted);align-self:center}

/* 简单柱状图（营收统计，无第三方依赖） */
.bars{display:flex;align-items:flex-end;gap:6px;height:170px;padding-top:10px}
.bars .bar{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:6px;min-width:14px}
.bars .bar i{display:block;width:100%;background:linear-gradient(180deg,#2b8cc9,#0e4a75);border-radius:5px 5px 0 0;min-height:2px}
.bars .bar span{font-size:10.5px;color:var(--muted);white-space:nowrap}
.bars .bar em{font-size:10.5px;color:var(--ink-2);font-style:normal}

/* ---------------- 登录页 ---------------- */
body.login-page{display:grid;place-items:center;min-height:100vh;background:linear-gradient(140deg,#0b3f66,#12608f);padding:20px}
.login-box{width:100%;max-width:380px;background:#fff;border-radius:16px;padding:30px;box-shadow:0 24px 60px rgba(4,24,40,.35)}
.login-brand{display:flex;gap:12px;align-items:center;margin-bottom:22px}
.login-brand .bm{width:44px;height:44px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,#1c7fc0,#0e4a75);color:#fff;font-weight:700;font-size:20px}
.login-brand strong{display:block;font-size:17px}
.login-brand em{font-style:normal;font-size:12px;color:var(--muted)}
.login-foot{margin:18px 0 0;text-align:center;font-size:12.5px}

@media (max-width:1000px){
  .detail-grid{grid-template-columns:1fr}
  .row,.row3{grid-template-columns:1fr}
}
@media (max-width:760px){
  body.adm{flex-direction:column}
  .side{width:100%;flex:none;height:auto;position:static}
  .side-nav{flex-direction:row;flex-wrap:wrap}
  .side-foot{flex-direction:row}
  .main-top,.main-body{padding:16px}
}