:root {
  --bg: #f4f5f7;
  --panel: #fff;
  --border: #e0e3e8;
  --text: #1f2430;
  --muted: #6b7280;
  --navy: #0b1d3d;
  --brand: #003da5;
  --accent: #00a5df;
  --danger: #c4433b;
  --danger-bg: #fbeeed;
  --warn: #b45309;
  --warn-bg: #fdf3e1;
  --ok: #3e7c59;
  --ok-bg: #edf5f0;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: "IBM Plex Sans", "PingFang SC", -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; font-family: var(--font-sans); font-size: 14px; background: var(--bg); color: var(--text); }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; }
small { font-weight: 400; color: inherit; opacity: 0.7; }

@keyframes fade-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

/* ---------- 顶栏 ---------- */
.topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 12px; height: 52px; padding: 0 16px; background: var(--navy); color: #fff; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 600; font-size: 16px; min-width: 0; }
.brand:hover { text-decoration: none; }
.brand-mark { flex: none; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 4px; background: var(--accent); }
.brand-mark svg { width: 16px; height: 16px; }
.brand-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.brand-text small { margin-left: 8px; font-size: 12px; }
.spacer { flex: 1; }
.chip { flex: none; padding: 5px 10px; border: 1px solid rgba(255, 255, 255, 0.18); border-radius: 4px; background: rgba(255, 255, 255, 0.06); font-size: 12px; color: rgba(255, 255, 255, 0.9); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 55vw; }

/* ---------- 页面 ---------- */
.page { max-width: 1180px; margin: 0 auto; padding: 20px 16px 60px; animation: fade-in 0.32s ease-out; }
.empty { padding: 60px 16px; text-align: center; color: var(--muted); }
.crumb { margin-bottom: 8px; font-size: 13px; color: var(--muted); }
.page-title { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px 14px; margin-bottom: 16px; }
.page-title h1 { font-size: 22px; }
.mono { font-family: var(--font-mono); }
.muted { color: var(--muted); }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: 4px; margin-bottom: 16px; }
.card-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; padding: 12px 16px; border-bottom: 1px solid var(--border); background: #fafbfc; }
.card-head h2 { font-size: 15px; }
.card-body { padding: 12px 16px; }
.card-body.flush { padding: 0; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 16px; }
.stat { padding: 12px 14px; background: var(--panel); border: 1px solid var(--border); border-radius: 4px; }
.stat .l { font-size: 12px; color: var(--muted); }
.stat .v { margin-top: 2px; font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { padding: 9px 12px; text-align: right; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { font-size: 12px; font-weight: 600; color: var(--muted); background: #fafbfc; }
th.l, td.l { text-align: left; }
td.wrap { white-space: normal; min-width: 180px; }
tbody tr:last-child td { border-bottom: 0; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: #e8f5fb; }
tfoot td { font-weight: 600; background: #fafbfc; border-top: 1px solid var(--border); border-bottom: 0; }
.num { font-variant-numeric: tabular-nums; }

/* ---------- 标签 / 进度 ---------- */
.badge { display: inline-block; padding: 2px 8px; border-radius: 100px; font-size: 12px; font-weight: 600; background: #eef0f3; color: var(--muted); }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.danger { background: var(--danger-bg); color: var(--danger); }
.badge.brand { background: #e6f0ff; color: var(--brand); }
.bar { display: inline-block; vertical-align: middle; width: 90px; height: 6px; border-radius: 3px; background: #e6e9ee; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--accent); }
.bar.full > i { background: var(--ok); }
.bar.over > i { background: var(--warn); }

/* ---------- 按钮 / 表单 ---------- */
button, .btn { font: inherit; font-size: 13px; padding: 6px 12px; border-radius: 4px; border: 1px solid var(--border); background: var(--panel); color: var(--text); cursor: pointer; transition: background 0.3s var(--ease), border-color 0.3s var(--ease), color 0.3s var(--ease); }
button:hover { border-color: var(--muted); }
button.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
button.primary:hover { background: #002f80; }
button.danger { color: var(--danger); }
button.danger:hover { border-color: var(--danger); background: var(--danger-bg); }
button.link { border: 0; background: none; padding: 2px 6px; color: var(--brand); }
button.link.danger { color: var(--danger); }
button:disabled { opacity: 0.55; cursor: default; }
button:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
input, select { font: inherit; font-size: 13.5px; padding: 7px 10px; border: 1px solid var(--border); border-radius: 4px; background: #fff; color: var(--text); max-width: 100%; }
label.f { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.form { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px 12px; align-items: end; padding: 12px 16px; background: #f6fafd; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.form .actions { display: flex; gap: 8px; }
.form .hint { grid-column: 1 / -1; font-size: 12.5px; color: var(--muted); }
.form .hint b { color: var(--text); }
.form .err { grid-column: 1 / -1; color: var(--danger); font-size: 13px; }

/* ---------- 货柜卡片 ---------- */
.shipment.cancelled { opacity: 0.55; }
.shipment .meta { display: flex; flex-wrap: wrap; gap: 4px 16px; padding: 8px 16px; font-size: 12.5px; color: var(--muted); border-bottom: 1px solid var(--border); }
.shipment .meta b { color: var(--text); font-weight: 500; }
.sub-title { display: flex; align-items: center; gap: 10px; padding: 10px 16px 6px; font-weight: 600; font-size: 13px; }
.sub-title .spacer { flex: 1; }
.sec-empty { padding: 10px 16px 14px; font-size: 13px; color: var(--muted); }
.toggle { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); cursor: pointer; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 50; max-width: min(92vw, 520px); padding: 10px 16px; border-radius: 4px; background: var(--navy); color: #fff; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25); animation: fade-in 0.2s ease-out; }
.toast.err { background: var(--danger); }

@media (max-width: 640px) {
  .brand-text small { display: none; }
  .page-title h1 { font-size: 19px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}