:root{
  --primary:#2563eb; --primary-d:#1d4ed8; --bg:#f1f5f9; --card:#fff;
  --text:#1e293b; --muted:#64748b; --line:#e2e8f0;
  --ok:#16a34a; --warn:#d97706; --err:#dc2626;
  --radius:10px;
}
*{box-sizing:border-box}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:14px}

/* ---------- 顶部 ---------- */
.topbar{background:#0f2b52;color:#fff;display:flex;align-items:center;padding:0 20px;height:54px;position:sticky;top:0;z-index:50;box-shadow:0 1px 6px rgba(0,0,0,.2)}
.topbar .logo{font-size:16px;font-weight:600;margin-right:28px;white-space:nowrap}
.topbar .logo small{font-weight:400;color:#9fb3d1;font-size:11px;margin-left:8px}
.topbar nav a{color:#cdd9ec;text-decoration:none;padding:8px 14px;border-radius:8px;margin-right:4px;font-size:14px}
.topbar nav a:hover{background:#1c3f6e;color:#fff}
.topbar nav a.on{background:#2563eb;color:#fff}
.topbar .sp{flex:1}
.topbar .who{font-size:13px;color:#a9bede;margin-right:12px}
.topbar button{background:transparent;border:1px solid #47658f;color:#dfe9f7;padding:6px 12px;border-radius:8px}

/* ---------- 通用 ---------- */
.wrap{max-width:1200px;margin:20px auto;padding:0 16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:16px;box-shadow:0 1px 3px rgba(15,40,80,.05)}
h2.title{margin:2px 0 14px;font-size:18px}
h3.sub{margin:18px 0 10px;font-size:15px;border-left:4px solid var(--primary);padding-left:8px}
.muted{color:var(--muted);font-size:13px}
.btn{display:inline-block;background:var(--primary);color:#fff;border:none;padding:9px 18px;border-radius:8px;font-size:14px}
.btn:hover{background:var(--primary-d)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.ghost{background:#fff;color:#334;border:1px solid var(--line)}
.btn.ghost:hover{background:#f8fafc}
.btn.danger{background:#fff;color:var(--err);border:1px solid #fecaca}
.btn.sm{padding:5px 10px;font-size:13px}
.btn.ok{background:var(--ok)}
.banner{padding:10px 14px;border-radius:8px;margin:10px 0;font-size:13px;line-height:1.7}
.banner.warn{background:#fffbeb;border:1px solid #fde68a;color:#92400e}
.banner.err{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}
.banner.ok{background:#f0fdf4;border:1px solid #bbf7d0;color:#166534}
.banner.info{background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af}
.hidden{display:none!important}

/* ---------- 登录 ---------- */
.login-box{max-width:380px;margin:14vh auto;background:#fff;border:1px solid var(--line);border-radius:14px;padding:34px;box-shadow:0 10px 40px rgba(15,40,80,.12)}
.login-box h1{font-size:19px;margin:0 0 4px;color:#0f2b52}
.login-box p{color:var(--muted);font-size:13px;margin:0 0 22px}
.login-box label{display:block;color:#445;font-size:13px;margin:12px 0 5px}
.login-box input{width:100%;padding:10px;border:1px solid #ccd6e4;border-radius:8px}
.login-box .btn{width:100%;margin-top:20px;padding:11px}
.msg-err{background:#fef2f2;color:#b91c1c;padding:8px 10px;border-radius:6px;font-size:13px;margin-top:14px}

/* ---------- 步骤条 ---------- */
.steps{display:flex;gap:6px;margin:4px 0 18px;align-items:center}
.step{flex:1;text-align:center;background:#e9eef6;border-radius:8px;padding:9px 6px;color:#5b6b81;font-size:13px;position:relative}
.step .no{display:inline-block;width:20px;height:20px;line-height:20px;border-radius:50%;background:#aebdce;color:#fff;font-size:12px;margin-right:6px}
.step.on{background:#dbeafe;color:#1d4ed8;font-weight:600}
.step.on .no{background:var(--primary)}
.step.done{background:#dcfce7;color:#15803d}
.step.done .no{background:var(--ok)}

/* ---------- 上传 ---------- */
.upload-zone{border:2px dashed #b7c8dd;border-radius:12px;padding:46px 20px;text-align:center;color:var(--muted);cursor:pointer;background:#f8fafc;transition:.15s}
.upload-zone:hover,.upload-zone.drag{border-color:var(--primary);background:#eff6ff}
.upload-zone .big{font-size:34px}
.upload-zone .tip{font-size:13px;margin-top:8px}
.seg{display:flex;border:1px solid var(--line);border-radius:9px;overflow:hidden;width:max-content;margin-bottom:16px}
.seg button{border:none;background:#fff;padding:8px 18px;font-size:14px;color:#475}
.seg button.on{background:var(--primary);color:#fff}
textarea.paste{width:100%;min-height:260px;border:1px solid var(--line);border-radius:10px;padding:12px;font-size:13px;line-height:1.8;resize:vertical}
.row-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:14px}

/* ---------- 工作表选择 ---------- */
.sheet-item{border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:10px;display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.sheet-item .nm{font-weight:600;min-width:180px}
.sheet-item .info{color:var(--muted);font-size:13px}
table.pv{border-collapse:collapse;width:100%;font-size:12.5px;margin-top:6px}
table.pv th,table.pv td{border:1px solid var(--line);padding:5px 8px;text-align:left;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
table.pv th{background:#f1f5f9;position:sticky;top:0}
.pv-scroll{overflow:auto;max-height:420px;border:1px solid var(--line);border-radius:8px}

/* ---------- 映射 ---------- */
.map-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:10px;margin:12px 0}
.map-col{border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fbfcfe;position:relative}
.map-col .h{font-weight:600;font-size:13px;margin-bottom:2px;word-break:break-all}
.map-col .snap{color:var(--ok);font-size:12px;margin-bottom:6px;display:block}
.map-col .snap.none{color:var(--muted)}
.map-col select{width:100%;border:1px solid #cbd5e1;border-radius:7px;padding:6px;background:#fff}
.map-col.conflict{border-color:var(--err)}
.map-col.conflict .snap{color:var(--err)}
.badge{display:inline-block;background:#eef2ff;color:#4338ca;border-radius:5px;padding:1px 7px;font-size:11.5px;margin-left:6px}
.stat-line{display:flex;gap:22px;flex-wrap:wrap;font-size:13.5px;color:#3a4a5f;margin:8px 0}
.stat-line b{color:#0f2b52}
.hdr-pick{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

/* ---------- 表格预览 ---------- */
.tbl-wrap{overflow:auto}
table.data{border-collapse:collapse;font-size:12.5px;width:100%}
table.data th,table.data td{border:1px solid #d7e0ea;padding:5px 8px;white-space:nowrap;max-width:260px;overflow:hidden;text-overflow:ellipsis}
table.data th{background:#eaf0f8;font-weight:600;position:sticky;top:0;z-index:2}
table.data td.col0{position:sticky;left:0;background:#fff;z-index:1;font-weight:600;color:#0f2b52}
table.data th.col0{left:0;z-index:3;background:#dde7f3}
table.data td.hit{background:#f0fdf4}
table.data td.conf{background:#fef2f2}
tr.row-bad td{background:#fff7ed}

/* ---------- 结果 ---------- */
.result-issues{font-size:12.8px;max-height:360px;overflow:auto;border:1px solid var(--line);border-radius:8px}
.result-issues table{width:100%;border-collapse:collapse}
.result-issues th,.result-issues td{border-bottom:1px solid #eef2f6;padding:6px 10px;text-align:left}
.dl-link{display:inline-flex;align-items:center;gap:8px;background:#f0fdf4;border:1px solid #bbf7d0;color:#166534;text-decoration:none;padding:10px 18px;border-radius:9px;font-size:15px;font-weight:600;margin:8px 0}

/* ---------- 表格列表 ---------- */
table.list{width:100%;border-collapse:collapse}
table.list th{background:#f1f5f9;text-align:left;font-weight:600}
table.list th,table.list td{border:1px solid var(--line);padding:8px 10px;font-size:13px}
tr:hover td{background:#fafcff}

/* ---------- 管理 ---------- */
.form-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.form-grid label{display:block;font-size:13px;color:#445;margin-bottom:5px}
.form-grid input,.form-grid select{width:100%;padding:8px 10px;border:1px solid #cbd5e1;border-radius:8px}
.kv-row{display:flex;justify-content:space-between;padding:7px 2px;border-bottom:1px dashed #eef2f6;font-size:13.5px}
.kv-row b{color:#0f2b52}
.pager{display:flex;gap:8px;align-items:center;margin-top:14px;justify-content:flex-end}
code{background:#f1f5f9;border:1px solid var(--line);border-radius:5px;padding:1px 6px;font-size:12.5px}
.loading{text-align:center;color:var(--muted);padding:40px}
.spin{display:inline-block;width:22px;height:22px;border:3px solid #dbe4ee;border-top-color:var(--primary);border-radius:50%;animation:sp .8s linear infinite;vertical-align:-5px;margin-right:8px}
@keyframes sp{to{transform:rotate(360deg)}}
.modal-bg{position:fixed;inset:0;background:rgba(15,23,42,.45);display:flex;align-items:center;justify-content:center;z-index:100}
.modal{background:#fff;border-radius:12px;padding:22px;width:min(460px,92vw);max-height:86vh;overflow:auto}
.modal h3{margin:0 0 14px;font-size:16px}
.modal label{display:block;font-size:13px;color:#445;margin:10px 0 4px}
.modal input,.modal select{width:100%;padding:8px 10px;border:1px solid #cbd5e1;border-radius:8px}
.foot{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}
.tag{display:inline-block;border-radius:5px;padding:1px 8px;font-size:12px}
.tag.a{background:#fee2e2;color:#b91c1c}.tag.u{background:#e0e7ff;color:#3730a3}
.empty{padding:40px;text-align:center;color:var(--muted)}
.toast{position:fixed;top:66px;right:18px;background:#0f2b52;color:#fff;padding:10px 18px;border-radius:9px;font-size:13.5px;z-index:200;box-shadow:0 6px 20px rgba(0,0,0,.25);max-width:420px}
.toast.err{background:#b91c1c}.toast.ok{background:#15803d}