/* ==========================================================================
   BEELLE B2B 工作台 —— 样式表 (clean admin, top-nav, card based)
   ========================================================================== */
:root{
  --bg:#f4f6fa; --card:#fff; --ink:#1f2733; --muted:#6b7686;
  --line:#e3e8ef; --brand:#1a5cff; --brand-d:#1345c4; --accent:#00b894;
  --warn:#e67e22; --danger:#e74c3c; --shadow:0 2px 10px rgba(24,39,75,.06);
  --radius:10px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink); font-size:14px; line-height:1.55;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC",
    "Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1240px;margin:0 auto;padding:0 18px}
.main{padding-top:20px;padding-bottom:48px}
.muted{color:var(--muted)}
.right{text-align:right}
.center{text-align:center}
.nowrap{white-space:nowrap}
.mt8{margin-top:8px}.mt16{margin-top:16px}.mb8{margin-bottom:8px}.mb16{margin-bottom:16px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.spacer{flex:1}

/* ---------- top bar ---------- */
.topbar{background:#0f1b33;color:#fff;position:sticky;top:0;z-index:50;box-shadow:0 1px 0 rgba(255,255,255,.06)}
.topbar-inner{display:flex;align-items:center;gap:16px;min-height:58px}
.brand{display:flex;align-items:baseline;gap:8px;color:#fff;text-decoration:none;flex:none}
.logo{font-weight:800;letter-spacing:2px;font-size:18px;color:#fff}
.brand-sub{font-size:12px;color:#9fb0cc}
.nav{display:flex;gap:2px;flex:1;overflow-x:auto}
.nav-item{
  color:#c8d3e6;padding:9px 11px;border-radius:8px;font-size:13px;
  display:flex;flex-direction:column;line-height:1.15;text-decoration:none;white-space:nowrap
}
.nav-item .nav-en{font-size:10px;color:#7f90ac}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff;text-decoration:none}
.nav-item.active{background:var(--brand);color:#fff}
.nav-item.active .nav-en{color:#d7e2ff}
.topbar-right{display:flex;align-items:center;gap:12px;flex:none;font-size:13px}
.lang-switch a{color:#9fb0cc;padding:2px 6px;border-radius:5px}
.lang-switch a.on{background:#2a3c5e;color:#fff}
.user{color:#c8d3e6}
.logout{color:#ffb3ad}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:20px;cursor:pointer}

/* ---------- cards ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:18px}
.card-head{display:flex;align-items:center;gap:12px;padding:13px 16px;border-bottom:1px solid var(--line)}
.card-head h2,.card-head h3{margin:0;font-size:15px}
.card-head .en{color:var(--muted);font-size:12px;font-weight:400}
.card-body{padding:16px}
.page-head{display:flex;align-items:flex-end;gap:14px;flex-wrap:wrap;margin-bottom:16px}
.page-head h1{margin:0;font-size:21px}
.page-head .en{color:var(--muted);font-size:13px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:18px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.stat .k{color:var(--muted);font-size:12px;display:flex;justify-content:space-between}
.stat .v{font-size:28px;font-weight:700;margin-top:4px}
.stat .v small{font-size:12px;font-weight:400;color:var(--muted)}

/* ---------- tables ---------- */
.tbl-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:13px}
table.tbl th,table.tbl td{border-bottom:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}
table.tbl thead th{background:#f7f9fc;color:#43505f;font-weight:600;white-space:nowrap;position:sticky;top:0}
table.tbl tbody tr:hover{background:#fafcff}
table.tbl td.num,table.tbl th.num{text-align:right;font-variant-numeric:tabular-nums}
table.tbl tfoot td{font-weight:700;background:#f7f9fc}

/* ---------- forms ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}
.fld{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted)}
.fld>span{font-weight:600}
.fld.full{grid-column:1/-1}
input[type=text],input[type=number],input[type=password],input[type=email],input[type=date],
select,textarea{
  width:100%;padding:7px 9px;border:1px solid var(--line);border-radius:7px;background:#fff;
  font-size:13px;color:var(--ink);font-family:inherit
}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(26,92,255,.18);border-color:var(--brand)}
textarea{min-height:64px;resize:vertical}
label.check{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--ink)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;color:var(--ink);
  padding:7px 13px;border-radius:8px;font-size:13px;cursor:pointer;text-decoration:none;line-height:1.2
}
.btn:hover{background:#f2f5fa;text-decoration:none}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-d);color:#fff}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-warn{background:#fff8ef;border-color:#f3d9b7;color:#a45a06}
.btn-danger{background:#fff2f1;border-color:#f3c9c5;color:#b3281a}
.btn-sm{padding:3px 8px;font-size:12px}
.btn-block{width:100%;justify-content:center;margin-top:6px}

/* ---------- badges ---------- */
.badge{display:inline-block;padding:1px 8px;border-radius:99px;font-size:11px;font-weight:600;border:1px solid transparent}
.badge-gray{background:#eef1f5;color:#5b6675}
.badge-blue{background:#e8efff;color:#1a5cff}
.badge-green{background:#e6f7f1;color:#087a5a}
.badge-orange{background:#fff2e2;color:#a45a06}
.badge-red{background:#ffecea;color:#b3281a}

/* flash */
.flash{background:#e8f6ef;border:1px solid #bfe6d5;color:#087a5a;padding:10px 14px;border-radius:9px;margin-bottom:14px}
.flash-err{background:#ffeff0;border-color:#f3c9c5;color:#b3281a}

/* ---------- login ---------- */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#0f1b33,#1a3a7a)}
.login-card{background:#fff;width:360px;max-width:92vw;border-radius:14px;padding:28px;box-shadow:0 18px 50px rgba(0,0,0,.35)}
.login-head{text-align:center;margin-bottom:18px}
.login-head .logo{font-size:26px;color:#0f1b33;letter-spacing:4px}
.login-sub{color:var(--muted);font-size:12px;margin-top:4px}
.login-card .fld{margin-bottom:12px}
.login-foot{text-align:center;margin-top:14px;font-size:12px}
.login-foot a.on{font-weight:700;color:var(--brand)}

/* ---------- doc / print ---------- */
.doc{background:#fff;padding:26px 30px;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.doc-head{display:flex;justify-content:space-between;gap:20px;border-bottom:2px solid #0f1b33;padding-bottom:12px;margin-bottom:14px}
.doc-head .co{font-size:13px;line-height:1.5}
.doc-head .co b{font-size:15px}
.doc-title{text-align:right}
.doc-title h1{margin:0;font-size:22px;letter-spacing:1px}
.doc-title .en{font-size:13px;color:var(--muted);letter-spacing:2px}
.doc-meta{display:grid;grid-template-columns:1fr 1fr;gap:4px 24px;font-size:13px;margin-bottom:12px}
.doc-meta .k{color:var(--muted);display:inline-block;min-width:96px}
table.doc-tbl{width:100%;border-collapse:collapse;font-size:12.5px;margin-top:6px}
table.doc-tbl th,table.doc-tbl td{border:1px solid #b9c2cf;padding:6px 8px;vertical-align:top}
table.doc-tbl thead th{background:#eef1f5;text-align:center;font-weight:600}
table.doc-tbl td.num,table.doc-tbl th.num{text-align:right}
table.doc-tbl tfoot td{font-weight:700;background:#f7f9fc}
.doc-say{margin-top:10px;font-size:13px}
.doc-sign{display:flex;justify-content:space-between;gap:40px;margin-top:46px;font-size:13px}
.doc-sign .sig{border-top:1px solid #333;padding-top:6px;min-width:230px}
.doc-foot{margin-top:22px;font-size:11px;color:var(--muted);border-top:1px dashed var(--line);padding-top:8px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.cost-cell{background:#fffaf0}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .nav-toggle{display:block;order:3}
  .topbar-inner{flex-wrap:wrap}
  .nav{display:none;order:4;width:100%;flex-direction:column;padding-bottom:8px}
  body.nav-open .nav{display:flex}
  .doc-meta{grid-template-columns:1fr}
}

/* ---------- print ---------- */
@media print{
  .no-print,.topbar,.foot,.toolbar,.btn,.flash{display:none !important}
  body{background:#fff;font-size:12px}
  .wrap{max-width:none;padding:0;margin:0}
  .main{padding:0}
  .doc{border:0;box-shadow:none;border-radius:0;padding:0}
  table.doc-tbl th,table.doc-tbl td{border-color:#666}
  a{color:#000;text-decoration:none}
}

/* ---------- v2: 载入范本 / 上传附件 ---------- */
.thumb{max-height:44px;border:1px solid var(--line);border-radius:4px;background:#fff;display:inline-block}
.thumb-lg{max-height:72px;border:1px solid var(--line);border-radius:4px;background:#fff}
.upload-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;border-bottom:1px solid var(--line);padding:7px 0}
.upload-row:last-child{border-bottom:0}
.upload-row .u-name{min-width:180px;font-size:13px}
.upload-list a{color:var(--accent);word-break:break-all}
.att-body{font-size:12px;display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-top:8px}
.att-body a{word-break:break-all}