:root{
  --bg:#f4f6fa; --card:#fff; --line:#e3e8f0; --text:#1f2937; --muted:#6b7280;
  --brand:#2563eb; --brand-d:#1d4ed8; --ok:#059669; --warn:#dc2626; --amber:#d97706;
  --shadow:0 2px 10px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;
  background:var(--bg);color:var(--text);font-size:14px;-webkit-text-size-adjust:100%;
}
.hidden{display:none !important}
.btn{
  border:1px solid var(--line);background:#fff;color:var(--text);border-radius:8px;
  padding:8px 14px;font-size:14px;cursor:pointer;transition:.15s;white-space:nowrap;
}
.btn:hover{border-color:#c7d2e2;background:#f8fafc}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-d);border-color:var(--brand-d)}
.btn.ghost{color:var(--muted)}
.btn.tiny{padding:4px 10px;font-size:12.5px;border-radius:6px}
.btn.danger{color:var(--warn);border-color:#fbd5d5}
.btn.danger:hover{background:#fef2f2}
.btn.block{width:100%;padding:11px;font-size:15px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---------- 登录 ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:linear-gradient(140deg,#e8effd,#f7f9fc 55%,#eef4ff)}
.login-card{width:100%;max-width:360px;background:#fff;border-radius:16px;padding:30px 26px;box-shadow:0 14px 40px rgba(37,99,235,.13)}
.login-card h1{font-size:20px;margin:0 0 6px}
.login-card .sub{color:var(--muted);margin:0 0 22px;font-size:13px}
.login-card label{display:block;margin-bottom:14px;font-size:13px;color:var(--muted)}
.login-card input{width:100%;margin-top:6px;padding:11px 12px;border:1px solid var(--line);border-radius:9px;font-size:15px;background:#fbfcfe}
.login-card input:focus,.toolbar input:focus,.toolbar select:focus,.modal input:focus,.modal select:focus,.modal textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.err{color:var(--warn);font-size:13px;min-height:18px;margin-top:10px;text-align:center}
.tip{font-size:12px;color:#94a3b8;margin:14px 0 0;text-align:center;line-height:1.6}

/* ---------- 顶栏 ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:#fff;padding:12px 18px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.brand{font-weight:700;font-size:16px}
.who{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px}
.badge{background:#eef2ff;color:#4338ca;border-radius:20px;padding:2px 9px;font-size:12px}
.badge.member{background:#f1f5f9;color:#475569}
.badge.super{background:#fef3c7;color:#b45309;font-weight:600}
.badge.mode{margin-left:8px;font-size:11.5px;font-weight:400;vertical-align:middle}
.badge.mode.cloud{background:#e0f2fe;color:#0369a1}
.badge.mode.local{background:#f1f5f9;color:#64748b}
.ver{font-size:11px;color:#b6c2d4;font-weight:400;vertical-align:super}

/* ---------- 统计 ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;padding:16px 18px 4px}
.stat{background:#fff;border-radius:12px;padding:14px 16px;box-shadow:var(--shadow)}
.stat .k{color:var(--muted);font-size:12.5px;margin-bottom:6px}
.stat .v{font-size:22px;font-weight:700}
.stat .v small{font-size:12px;font-weight:400;color:var(--muted);margin-left:2px}
.stat.warn .v{color:var(--warn)}
.stat.ok .v{color:var(--ok)}

/* ---------- 标签页 ---------- */
.tabs{display:flex;gap:6px;padding:14px 18px 0;overflow-x:auto}
.tab{border:none;background:transparent;padding:9px 14px;border-radius:9px 9px 0 0;cursor:pointer;
  font-size:14px;color:var(--muted);white-space:nowrap}
.tab.active{background:#fff;color:var(--brand);font-weight:600;box-shadow:0 -2px 8px rgba(15,23,42,.04)}
.panel{display:none;padding:0 18px 40px}
.panel.active{display:block}
.panel > .toolbar{background:#fff;border-radius:0 12px 0 0;padding:14px 16px}

.toolbar{display:flex;gap:10px;align-items:center;background:#fff;padding:14px 16px;border-radius:12px 12px 0 0;flex-wrap:nowrap}
.toolbar.wrap{flex-wrap:wrap}
.toolbar input,.toolbar select{padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:14px;background:#fbfcfe;min-width:0}
.toolbar input{flex:1;min-width:120px}
.hint{color:var(--muted);font-size:13px;flex:1}
.dash{color:var(--muted);font-size:12px}
.guide{background:#eff6ff;border:1px solid #dbeafe;border-radius:12px;padding:14px 16px;margin:14px 0 12px;
  font-size:13.5px;line-height:1.9;color:#1e3a8a}
.guide .step{display:inline-block;background:#fff;border:1px solid #dbeafe;border-radius:8px;
  padding:2px 9px;margin:2px 6px 2px 0;white-space:nowrap}
.guide .muted{font-size:12.5px;line-height:1.8}

/* ---------- 表格 ---------- */
.table-wrap{background:#fff;overflow-x:auto;border-radius:0 0 12px 12px;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;min-width:640px}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
th{background:#f8fafc;color:var(--muted);font-weight:600;font-size:12.5px;position:sticky;top:0}
tbody tr:hover{background:#fafbff}
tbody tr:last-child td{border-bottom:none}
th.num,td.num{text-align:right}
th.op,td.op{text-align:right;white-space:nowrap}
.empty{text-align:center;color:#9aa5b5;padding:34px 10px}
tr.low td{background:#fff7f7}
tr.low:hover td{background:#fef2f2}
.qty{font-weight:700;font-size:15px}
.qty.bad{color:var(--warn)}
.tag{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;background:#eef2f7;color:#475569}
.tag.in{background:#ecfdf5;color:#047857}
.tag.out{background:#fff7ed;color:#c2410c}
.tag.adjust{background:#eff6ff;color:#1d4ed8}
.muted{color:var(--muted);font-size:12.5px}
.pager{display:flex;align-items:center;justify-content:center;gap:14px;padding:16px;color:var(--muted);font-size:13px}
.doc{background:#fff;border-radius:12px;padding:22px 26px;box-shadow:var(--shadow);line-height:1.9;max-width:800px}
.doc h2{font-size:15px;margin:18px 0 8px}
.doc h2:first-child{margin-top:0}
.doc code{background:#f1f5f9;padding:2px 6px;border-radius:5px;font-size:12.5px}

/* ---------- 弹窗 ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(15,23,42,.45);display:flex;align-items:center;justify-content:center;padding:18px;z-index:100}
.modal{background:#fff;border-radius:14px;padding:22px;width:100%;max-width:420px;max-height:90vh;overflow:auto;box-shadow:0 20px 50px rgba(15,23,42,.25)}
.modal h3{margin:0 0 16px;font-size:17px}
.modal label{display:block;margin-bottom:13px;font-size:13px;color:var(--muted)}
.modal input,.modal select,.modal textarea{width:100%;margin-top:6px;padding:10px 12px;border:1px solid var(--line);
  border-radius:8px;font-size:14px;background:#fbfcfe;font-family:inherit}
.modal .row{display:flex;gap:10px}
.modal .row > *{flex:1}
.modal .actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}
.modal .sep{border-top:1px solid var(--line);margin:16px 0 12px;padding-top:12px;font-size:12.5px;color:var(--muted)}
.modal .warn-box{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;border-radius:10px;
  padding:11px 13px;font-size:12.5px;line-height:1.75;margin-bottom:16px}
.modal .warn-box code{background:#fff;padding:1px 5px;border-radius:4px}
.modal .err{text-align:left;margin:-4px 0 10px}

/* ---------- 提示 ---------- */
.toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%);background:#111827;color:#fff;
  padding:11px 20px;border-radius:10px;font-size:13.5px;z-index:200;box-shadow:0 10px 26px rgba(0,0,0,.25);max-width:88vw}
.toast.err{background:#b91c1c}

@media (max-width:640px){
  .stats{padding:12px}
  .brand{font-size:14.5px}
  .who span#whoName{display:none}
  .panel{padding:0 12px 30px}
  .tabs{padding:12px 12px 0}
  .toolbar{padding:12px}
  th,td{padding:10px}
}