:root {
  --bg: #f4f6fa;
  --card: #ffffff;
  --border: #e3e8f0;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2456d6;
  --primary-dark: #1a41a8;
  --danger: #d93025;
  --ok: #0f8a3d;
  --warn: #b45309;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
h1, h2, h3 { font-weight: 600; }
button {
  font-family: inherit;
  cursor: pointer;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  border-radius: 6px;
  padding: 7px 14px;
  font-size: 14px;
}
button:hover { border-color: var(--primary); color: var(--primary); }
button.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
button.primary:hover { background: var(--primary-dark); color: #fff; }
button.danger { color: var(--danger); border-color: #f3c1bd; }
button:disabled { opacity: .5; cursor: not-allowed; }
input, select, textarea {
  font-family: inherit;
  font-size: 14px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  outline: none;
}
input:focus, select:focus { border-color: var(--primary); }
label { font-size: 13px; color: var(--muted); }

/* ===== 登录卡片 ===== */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card {
  width: 380px; max-width: 100%;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 28px;
  box-shadow: 0 8px 30px rgba(30, 50, 100, .08);
}
.login-card h1 { font-size: 20px; text-align: center; margin-bottom: 4px; }
.login-card .sub { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 18px; }
.auth-tabs { display: flex; gap: 4px; margin-bottom: 16px; background: #eef1f7; border-radius: 8px; padding: 3px; }
.auth-tabs button { flex: 1; border: none; background: transparent; padding: 7px 0; border-radius: 6px; font-size: 13px; color: var(--muted); }
.auth-tabs button.on { background: #fff; color: var(--primary); font-weight: 600; box-shadow: 0 1px 4px rgba(0,0,0,.08); }
.auth-form { display: flex; flex-direction: column; gap: 10px; }
.auth-form input { width: 100%; }
.auth-form .link-btn { border: none; background: none; color: var(--primary); padding: 2px 0; font-size: 13px; text-align: left; }
.msg { font-size: 13px; min-height: 18px; }
.msg.err { color: var(--danger); }
.msg.ok { color: var(--ok); }

/* ===== PC 布局 ===== */
.topbar {
  background: #16307a;
  color: #fff;
  display: flex; align-items: center; gap: 20px;
  padding: 0 22px; height: 52px;
}
.topbar .brand { font-size: 17px; font-weight: 700; letter-spacing: 1px; }
.topbar .nav { display: flex; gap: 4px; flex: 1; }
.topbar .nav button {
  background: transparent; border: none; color: #cdd8f5;
  padding: 8px 14px; border-radius: 6px; font-size: 14px;
}
.topbar .nav button:hover { color: #fff; background: rgba(255,255,255,.12); }
.topbar .nav button.on { background: rgba(255,255,255,.18); color: #fff; font-weight: 600; }
.topbar .userbox { display: flex; align-items: center; gap: 10px; font-size: 13px; color: #cdd8f5; }
.topbar .userbox b { color: #fff; }
.main { max-width: 1180px; margin: 18px auto 40px; padding: 0 18px; }
.panel {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 18px 20px; margin-bottom: 16px;
}
.panel h2 { font-size: 16px; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.field { display: flex; flex-direction: column; gap: 4px; }
table.grid { width: 100%; border-collapse: collapse; margin-top: 12px; }
table.grid th, table.grid td {
  border: 1px solid var(--border); padding: 7px 10px;
  font-size: 13px; text-align: left; white-space: nowrap;
}
table.grid th { background: #f0f3f9; font-weight: 600; }
table.grid tr:hover td { background: #f7f9fd; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 12px; }
.tag.ok { background: #e3f5e9; color: var(--ok); }
.tag.bad { background: #fdecea; color: var(--danger); }
.tag.warn { background: #fdf1e0; color: var(--warn); }
.tag.info { background: #e7edfc; color: var(--primary); }
.empty { color: var(--muted); text-align: center; padding: 26px 0; font-size: 13px; }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

/* 追溯链详情 */
.trace-section { border: 1px solid var(--border); border-radius: 8px; margin-top: 12px; overflow: hidden; }
.trace-section .hd {
  background: #f0f3f9; padding: 8px 14px; font-weight: 600; font-size: 13px;
  display: flex; justify-content: space-between; align-items: center;
}
.trace-section .bd { padding: 12px 16px; }
.kv { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 6px 18px; }
.kv div { font-size: 13px; }
.kv b { color: var(--muted); font-weight: 400; margin-right: 6px; }

/* 标签打印 */
.label-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; margin-top: 12px; }
.label-item {
  border: 1px dashed #b9c2d4; border-radius: 6px; padding: 10px;
  display: flex; align-items: center; gap: 10px; background: #fff;
}
.label-item .info { font-size: 12px; line-height: 1.7; word-break: break-all; }
.label-item .info b { font-size: 13px; }

/* 弹窗 */
.modal-mask {
  position: fixed; inset: 0; background: rgba(20, 30, 60, .45);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.modal {
  background: #fff; border-radius: 10px; padding: 22px;
  width: 420px; max-width: 92vw; max-height: 86vh; overflow: auto;
}
.modal h3 { margin-bottom: 14px; font-size: 16px; }
.modal .acts { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }

/* ===== 移动端 H5 ===== */
.m-top {
  background: #16307a; color: #fff; padding: 12px 16px;
  position: sticky; top: 0; z-index: 10;
}
.m-top .brand { font-size: 17px; font-weight: 700; }
.m-top .who { font-size: 12px; color: #cdd8f5; margin-top: 2px; }
.m-body { padding: 14px 14px 90px; max-width: 640px; margin: 0 auto; }
.m-tabs {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 10;
  background: #fff; border-top: 1px solid var(--border);
  display: flex; padding-bottom: env(safe-area-inset-bottom);
}
.m-tabs button {
  flex: 1; border: none; background: none; padding: 9px 0 7px;
  font-size: 11px; color: var(--muted); border-radius: 0;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
}
.m-tabs button .ico { font-size: 20px; line-height: 1; }
.m-tabs button.on { color: var(--primary); font-weight: 600; }
.m-card {
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  padding: 16px; margin-bottom: 14px;
}
.m-card h3 { font-size: 15px; margin-bottom: 12px; }
.m-card .field { margin-bottom: 10px; }
.m-card input, .m-card select, .m-card textarea { width: 100%; font-size: 16px; padding: 10px 12px; }
.m-card .big-btn { width: 100%; padding: 12px; font-size: 16px; margin-top: 6px; }
.scan-input { display: flex; gap: 8px; }
.scan-input input { flex: 1; font-size: 16px; letter-spacing: .5px; }
.scan-input button { white-space: nowrap; }
.scan-line {
  height: 2px; background: linear-gradient(90deg, transparent, var(--primary), transparent);
  animation: scanmove 1.4s linear infinite; border-radius: 2px;
}
@keyframes scanmove { 0% { opacity: .2 } 50% { opacity: 1 } 100% { opacity: .2 } }
.trace-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; margin-bottom: 12px; overflow: hidden; }
.trace-card .hd { background: #f0f3f9; padding: 9px 14px; font-weight: 600; font-size: 14px; }
.trace-card .bd { padding: 10px 14px; }
.trace-card .kv { grid-template-columns: 1fr 1fr; gap: 5px 10px; }
.trace-card .kv div { font-size: 13px; word-break: break-all; }
#reader video { border-radius: 10px; }

/* 提示条 */
#toast {
  position: fixed; top: 14%; left: 50%; transform: translateX(-50%);
  background: rgba(30, 35, 50, .88); color: #fff; padding: 10px 20px;
  border-radius: 8px; font-size: 14px; z-index: 200; max-width: 80vw;
  display: none; text-align: center;
}
#toast.ok { background: rgba(15, 138, 61, .92); }
#toast.err { background: rgba(217, 48, 37, .92); }

/* 打印样式：只打印标签区 */
@media print {
  body * { visibility: hidden; }
  #printArea, #printArea * { visibility: visible; }
  #printArea { position: absolute; left: 0; top: 0; width: 100%; }
  .label-item { break-inside: avoid; border: 1px solid #999; }
}

/* ===== 扫码绑定（PC / H5 共用） ===== */
.big-btn { width: 100%; padding: 12px; font-size: 16px; margin-top: 6px; }
.bind-info { display: flex; gap: 24px; flex-wrap: wrap; margin-bottom: 10px; font-size: 13px; }
.bind-info div { display: flex; gap: 6px; align-items: baseline; }
.bind-info span { color: var(--muted); }
.bind-info b { font-size: 15px; }
.bind-wo { background: #f7f9fd; border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; }
.bind-wo-hd { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.bind-wo .kv { grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); }
.bind-warn { margin-top: 8px; font-size: 12px; color: var(--warn); }
.bind-cmp { margin: 10px 0 4px; font-size: 13px; line-height: 1.9; color: var(--muted); }
.bind-cmp b { color: var(--text); font-family: Consolas, Menlo, monospace; letter-spacing: .5px; }
.bind-row {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px;
  border-bottom: 1px solid var(--border); padding: 8px 0; font-size: 13px;
}
.bind-row .sub { width: 100%; font-size: 12px; color: var(--muted); }

/* 合格 / 不合格 结果弹窗（20 秒自动关闭） */
.bind-mask {
  position: fixed; inset: 0; z-index: 320; display: flex; align-items: center; justify-content: center;
  padding: 20px; animation: bindfade .18s ease-out; cursor: pointer;
}
.bind-mask.ok { background: rgba(15, 138, 61, .94); }
.bind-mask.bad { background: rgba(217, 48, 37, .95); }
.bind-box {
  background: #fff; border-radius: 16px; padding: 26px 24px; width: 100%; max-width: 460px;
  text-align: center; box-shadow: 0 18px 50px rgba(0, 0, 0, .28);
}
.bind-mask.ok .bind-box { border-top: 8px solid var(--ok); }
.bind-mask.bad .bind-box { border-top: 8px solid var(--danger); }
.bind-mark { font-size: 54px; line-height: 1; }
.bind-mask.ok .bind-mark { color: var(--ok); }
.bind-mask.bad .bind-mark { color: var(--danger); }
.bind-verdict { font-size: 40px; font-weight: 800; letter-spacing: 6px; margin: 10px 0 14px; }
.bind-mask.ok .bind-verdict { color: var(--ok); }
.bind-mask.bad .bind-verdict { color: var(--danger); }
.bind-lines { font-size: 13px; color: var(--muted); line-height: 1.9; word-break: break-all; }
.bind-count { margin-top: 16px; font-size: 12px; color: #9aa3b2; }
.bind-count b { color: var(--text); font-size: 15px; }
@keyframes bindfade { from { opacity: 0 } to { opacity: 1 } }