:root{
  --bg:#f4f7fb; --card:#ffffff; --ink:#2b3a55; --muted:#8a98b5;
  --brand:#7c5cff; --brand2:#4f8cff; --in:#ff8a5c; --out:#37c997;
  --line:#e7ecf5; --shadow:0 8px 24px rgba(80,100,160,.12);
  --radius:18px;
}
*{box-sizing:border-box}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei",system-ui,Arial,sans-serif;
  background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}
.hidden{display:none!important}
.muted{color:var(--muted)}
/* 顶栏 */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;background:linear-gradient(120deg,var(--brand),var(--brand2));color:#fff;
  box-shadow:0 4px 18px rgba(80,100,200,.25)}
.topbar .brand{font-size:20px;font-weight:800;display:flex;align-items:center;gap:8px}
.topbar .user{display:flex;align-items:center;gap:10px;font-size:14px}
.topbar .uname{font-weight:600}
.role{font-size:12px;padding:2px 10px;border-radius:999px;background:rgba(255,255,255,.25)}
.role-admin{background:rgba(255,255,255,.35)}
.btn-ghost{background:rgba(255,255,255,.2);border:none;color:#fff;padding:6px 14px;border-radius:999px;
  cursor:pointer;font-size:13px;font-weight:600}
.btn-ghost:hover{background:rgba(255,255,255,.35)}
/* 标签页 */
.tabs{display:flex;gap:8px;padding:14px 20px 0;max-width:980px;margin:0 auto}
.tab{border:none;background:#fff;color:var(--muted);padding:10px 18px;border-radius:14px 14px 0 0;
  font-size:15px;font-weight:700;cursor:pointer;box-shadow:var(--shadow)}
.tab.on{color:var(--brand);background:#fff;transform:translateY(2px)}
.wrap{max-width:980px;margin:0 auto;padding:0 20px 40px}
.view{display:none}
.view.on{display:block;animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1}}
.card{background:var(--card);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);margin-top:16px}
.card h2{margin:0 0 16px;font-size:18px}
.card h3{margin:22px 0 10px;font-size:15px;color:var(--muted)}
/* 输入 */
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.inp{border:2px solid var(--line);border-radius:12px;padding:11px 14px;font-size:15px;background:#fbfcff;outline:none;transition:.15s}
.inp:focus{border-color:var(--brand);background:#fff}
.grow{flex:1;min-width:200px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid2 label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted);font-weight:600}
.span2{grid-column:1 / -1}
/* 按钮 */
.btn{border:none;border-radius:12px;padding:11px 18px;font-size:15px;font-weight:700;cursor:pointer;transition:.15s}
.btn.primary{background:linear-gradient(120deg,var(--brand),var(--brand2));color:#fff}
.btn.success{background:linear-gradient(120deg,var(--out),#2bb37f);color:#fff}
.btn.ghost{background:#eef1f8;color:var(--ink)}
.btn.lg{padding:13px 22px;font-size:16px;width:100%;margin-top:14px}
.btn.sm{padding:6px 12px;font-size:13px}
.btn:hover{filter:brightness(1.05)}
.btn:active{transform:scale(.98)}
/* 扫码区 */
.reader{margin:12px 0;border-radius:14px;overflow:hidden;border:2px dashed var(--line)}
.msg{font-size:14px;color:var(--brand);min-height:20px;margin:6px 0}
/* 已找到 */
.found{background:#f7f9ff;border-radius:14px;padding:16px;position:relative;margin-bottom:8px}
.kv{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid var(--line);font-size:14px}
.kv b{color:var(--muted);font-weight:600}
.status-badge{display:inline-block;padding:3px 12px;border-radius:999px;font-size:13px;font-weight:700;margin-top:8px}
.st-in{background:rgba(255,138,92,.15);color:#e6642e}
.st-out{background:rgba(55,201,151,.15);color:#1f9c6e}
/* 表格 */
.tablewrap{overflow-x:auto;margin-top:6px}
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{text-align:left;color:var(--muted);font-weight:700;padding:10px 8px;border-bottom:2px solid var(--line)}
.tbl td{padding:10px 8px;border-bottom:1px solid var(--line)}
.tbl tr:hover{background:#fafbff}
/* 统计 */
.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.stat{background:linear-gradient(135deg,#fff,#f3f6ff);border-radius:16px;padding:18px;text-align:center;box-shadow:var(--shadow)}
.stat .num{font-size:30px;font-weight:800}
.stat .lbl{color:var(--muted);font-size:13px;margin-top:4px}
.stat.st-in .num{color:var(--in)}
.stat.st-out .num{color:var(--out)}
.couriers{display:flex;flex-wrap:wrap;gap:8px}
.chip{background:#eef1f8;border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;color:var(--ink)}
/* toast */
.toast{position:fixed;left:50%;bottom:40px;transform:translateX(-50%) translateY(20px);
  padding:12px 22px;border-radius:12px;color:#fff;font-weight:700;opacity:0;pointer-events:none;transition:.25s;z-index:50}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.ok{background:var(--out)}
.toast.err{background:#ff5c7a}
@media(max-width:640px){
  .grid2{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
}