/* 湖北商贸学院电动自行车管理系统 —— 样式（浅色主题） */
:root{
  --bg:#eef2f8;
  --card:#ffffff;
  --line:#e3e9f2;
  --line-2:#eef2f8;
  --text:#1b2431;
  --text-2:#485568;
  --muted:#7b8a9e;
  --brand:#1557c0;
  --brand-2:#2a7de1;
  --brand-soft:#eaf1fd;
  --brand-line:#c7dcfa;
  --ok:#0f9d63;
  --ok-soft:#e6f6ee;
  --warn:#c77700;
  --warn-soft:#fdf3e2;
  --danger:#d92d20;
  --danger-soft:#fdeceb;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 1px 2px rgba(16,24,40,.04), 0 10px 26px -14px rgba(16,24,40,.18);
  --shadow-lg:0 18px 48px -18px rgba(16,24,40,.32);
  --c1:#1557c0; --c2:#00a3a3; --c3:#f0a020; --c4:#7c5cf0; --c5:#e0525e;
  --c6:#12a15e; --c7:#3b82f6; --c8:#d9539b;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;
  font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:600}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:14px;color:var(--text)}
[hidden]{display:none !important}

/* ============ 登录 ============ */
.login-wrap{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;padding:24px;overflow:auto}
.login-bg{
  position:absolute;inset:0;
  background:
    radial-gradient(1000px 520px at 12% 6%, #dbe8fb 0%, rgba(219,232,251,0) 62%),
    radial-gradient(820px 460px at 92% 96%, #d9f3ef 0%, rgba(217,243,239,0) 60%),
    linear-gradient(160deg,#f4f8fe 0%, #e9eff8 100%);
}
.login-card{
  position:relative;display:flex;width:100%;max-width:880px;background:var(--card);
  border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--line);
}
.login-brand{
  flex:0 0 340px;padding:44px 34px;color:#fff;
  background:linear-gradient(155deg,#1557c0 0%,#1f6fd0 55%,#2a8ec4 100%);
  display:flex;flex-direction:column;justify-content:center;gap:6px;
}
.logo{
  width:64px;height:64px;border-radius:16px;background:rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;
  letter-spacing:1px;border:1px solid rgba(255,255,255,.35);margin-bottom:18px;
}
.logo.sm{width:38px;height:38px;border-radius:10px;font-size:14px;margin:0;background:var(--brand);border-color:var(--brand);color:#fff}
.login-brand h1{font-size:24px;letter-spacing:2px}
.login-brand .sub{margin:2px 0 20px;font-size:15px;opacity:.92;letter-spacing:1px}
.campus-tags{display:flex;gap:8px;flex-wrap:wrap}
.campus-tags span{
  font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
}
.login-form{flex:1;padding:46px 40px;display:flex;flex-direction:column;gap:16px;justify-content:center}
.login-title{font-size:18px;font-weight:600;margin-bottom:4px}
.login-foot{font-size:12px;color:var(--muted);text-align:center;margin-top:6px}
.login-mobile-btn{margin-top:14px}

/* ============ 手机端访问（扫码） ============ */
.qr-box{
  display:flex;justify-content:center;align-items:center;padding:14px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;
}
.qr-box svg{width:220px;height:220px;max-width:100%;display:block}
.mobile-url{
  text-align:center;margin-bottom:12px;
}
.mobile-url code{
  display:inline-block;font-family:ui-monospace,Consolas,Menlo,monospace;font-size:14px;color:var(--brand);
  background:var(--brand-soft);border:1px solid var(--brand-line);border-radius:var(--radius-sm);
  padding:8px 12px;word-break:break-all;user-select:all;
}
.mobile-tip{font-size:13px;color:var(--text-2);line-height:1.75;margin-bottom:8px}
.mobile-tip.err{color:var(--danger);font-weight:500}
.mobile-actions{display:flex;gap:10px;justify-content:center;margin-top:14px;flex-wrap:wrap}

/* ============ 通用控件 ============ */
.field{display:flex;flex-direction:column;gap:6px}
.field-label{font-size:13px;color:var(--text-2);font-weight:500}
.field-label.req::after{content:" *";color:var(--danger)}
.field-tip{font-size:12px;color:var(--muted)}
.field-tip.err{color:var(--danger)}
.field-tip.ok{color:var(--ok)}
input[type=text],input[type=password],input[type=tel],input[type=number],select,textarea{
  width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fbfcfe;transition:border-color .15s,box-shadow .15s,background .15s;
}
textarea{resize:vertical}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(21,87,192,.12);
}
input:disabled,select:disabled{background:#f1f4f9;color:var(--muted);cursor:not-allowed}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:8px 16px;border-radius:var(--radius-sm);border:1px solid transparent;
  background:#fff;cursor:pointer;font-size:14px;transition:.15s;white-space:nowrap;
  text-decoration:none;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#1148a0}
.btn-outline{border-color:var(--brand-line);color:var(--brand);background:var(--brand-soft)}
.btn-outline:hover{background:#dfeafc}
.btn-ghost{border-color:var(--line);color:var(--text-2);background:#fff}
.btn-ghost:hover{background:#f5f8fc}
.btn-danger{background:var(--danger-soft);color:var(--danger);border-color:#f6cdc9}
.btn-danger:hover{background:#fbdada}
.btn-sm{padding:5px 11px;font-size:13px}
.btn-lg{padding:11px 18px;font-size:15px}
.btn-block{width:100%}
.btn:disabled{opacity:.6;cursor:not-allowed}
.form-err{color:var(--danger);font-size:13px;min-height:18px}
.form-err:empty{display:none}

/* ============ 布局 ============ */
.app{display:flex;min-height:100vh}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:216px;background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;z-index:40;
}
.side-brand{display:flex;align-items:center;gap:10px;padding:18px 16px;border-bottom:1px solid var(--line-2)}
.side-brand-text{display:flex;flex-direction:column;line-height:1.25}
.side-brand-text strong{font-size:14px}
.side-brand-text span{font-size:11px;color:var(--muted)}
.nav{flex:1;padding:10px 10px;display:flex;flex-direction:column;gap:2px}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:9px;
  color:var(--text-2);font-size:14px;cursor:pointer;transition:.14s;border:1px solid transparent;
}
.nav-item .ic{width:18px;text-align:center;font-style:normal;font-size:14px;opacity:.85}
.nav-item:hover{background:#f5f8fc}
.nav-item.active{background:var(--brand-soft);color:var(--brand);font-weight:600;border-color:var(--brand-line)}
.side-foot{border-top:1px solid var(--line-2);padding:12px}
.side-user{display:flex;align-items:center;gap:9px;margin-bottom:10px}
.avatar{
  width:34px;height:34px;border-radius:50%;background:linear-gradient(140deg,#1557c0,#2a8ec4);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;flex:0 0 auto;
}
.side-user-text{display:flex;flex-direction:column;line-height:1.3;overflow:hidden}
.side-user-text strong{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-user-text span{font-size:11px;color:var(--muted)}
.side-actions{display:flex;gap:6px}
.side-actions .btn{flex:1}
.side-mask{display:none}

.main{flex:1;margin-left:216px;min-width:0;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:30;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);padding:12px 22px;display:flex;align-items:center;gap:14px;
}
.page-title{font-size:17px;flex:1}
.topbar-right{display:flex;align-items:center;gap:10px}
.scope-chip{
  font-size:12px;color:var(--brand);background:var(--brand-soft);border:1px solid var(--brand-line);
  padding:4px 10px;border-radius:999px;max-width:340px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.hamburger{
  display:none;background:none;border:1px solid var(--line);border-radius:8px;width:36px;height:34px;
  font-size:16px;cursor:pointer;color:var(--text-2);
}
.notice{
  margin:14px 22px 0;padding:10px 14px;border-radius:var(--radius-sm);
  background:var(--warn-soft);border:1px solid #f3ddb4;color:#8a5a00;font-size:13px;
}
.content{padding:18px 22px 40px;flex:1}

/* ============ 卡片 / 网格 ============ */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-head{
  display:flex;align-items:center;gap:10px;padding:13px 16px;border-bottom:1px solid var(--line-2);
}
.card-head h3{font-size:14px;flex:1}
.card-head .hint{font-size:12px;color:var(--muted)}
.card-body{padding:16px}

.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(168px,1fr));gap:14px;margin-bottom:16px}
.kpi{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.kpi::after{content:"";position:absolute;right:-26px;top:-26px;width:76px;height:76px;border-radius:50%;background:var(--brand-soft)}
.kpi .kpi-label{font-size:13px;color:var(--muted);position:relative}
.kpi .kpi-value{font-size:28px;font-weight:700;letter-spacing:.5px;margin-top:6px;position:relative}
.kpi .kpi-value small{font-size:13px;font-weight:400;color:var(--muted);margin-left:3px}
.kpi .kpi-sub{font-size:12px;color:var(--muted);margin-top:4px;position:relative}
.kpi.ok::after{background:var(--ok-soft)}
.kpi.warn::after{background:var(--warn-soft)}
.kpi.ok .kpi-value{color:var(--ok)}
.kpi.warn .kpi-value{color:var(--warn)}

.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px}
.grid-2c{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:14px}
.mb14{margin-bottom:14px}
.mb18{margin-bottom:18px}

/* ============ 图表 ============ */
.bars{display:flex;flex-direction:column;gap:10px}
.bar-row{display:grid;grid-template-columns:96px 1fr 46px;align-items:center;gap:10px;font-size:13px}
.bar-row .bar-name{color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:right}
.bar-track{height:18px;background:var(--line-2);border-radius:6px;overflow:hidden}
.bar-fill{height:100%;border-radius:6px;transition:width .5s ease}
.bar-row .bar-val{text-align:right;font-variant-numeric:tabular-nums;font-weight:600;color:var(--text)}
.empty-tip{color:var(--muted);font-size:13px;padding:18px 0;text-align:center}

.legend{display:flex;flex-wrap:wrap;gap:10px 16px;margin-top:12px;font-size:13px}
.legend span{display:inline-flex;align-items:center;gap:6px;color:var(--text-2)}
.legend i{width:10px;height:10px;border-radius:3px;display:inline-block}

/* 表格 */
.table-wrap{overflow:auto;border-radius:var(--radius);max-height:none}
table.tbl{width:100%;border-collapse:collapse;font-size:13px;background:#fff}
table.tbl th,table.tbl td{padding:9px 10px;border-bottom:1px solid var(--line-2);text-align:left;vertical-align:middle}
table.tbl th{
  background:#f6f9fd;color:var(--text-2);font-weight:600;position:sticky;top:0;z-index:2;white-space:nowrap;
}
table.tbl tbody tr:hover{background:#fafcff}
table.tbl td.num,table.tbl th.num{text-align:right;font-variant-numeric:tabular-nums}
table.tbl td.center,table.tbl th.center{text-align:center}
table.tbl .nowrap{white-space:nowrap}
table.tbl tfoot td{background:#f6f9fd;font-weight:600}
.thumb{
  width:44px;height:44px;border-radius:7px;object-fit:cover;border:1px solid var(--line);
  cursor:zoom-in;background:#f2f5fa;
}
.thumb-empty{
  width:44px;height:44px;border-radius:7px;border:1px dashed var(--line);display:inline-flex;
  align-items:center;justify-content:center;color:var(--muted);font-size:11px;
}
.tag{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;background:var(--brand-soft);color:var(--brand);white-space:nowrap}
.tag.gray{background:#f0f3f8;color:var(--text-2)}
.tag.yellow{background:#fdf6e3;color:#9a6b00}
.tag.blue{background:#e8f0fd;color:#1b4fb8}
.tag.white{background:#f2f4f8;color:#4a5768}
.plate{
  display:inline-block;padding:2px 8px;border-radius:5px;font-weight:700;letter-spacing:.5px;
  border:1px solid #c9d4e3;background:#fbfcfe;font-size:13px;
}

.row-actions{display:flex;gap:6px;white-space:nowrap}
.link{color:var(--brand);cursor:pointer;font-size:13px}
.link:hover{text-decoration:underline}
.link.danger{color:var(--danger)}

/* 筛选栏 */
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.filters .field{min-width:140px;flex:1 1 140px}
.filters .field.wide{flex:1 1 220px}
.filters .actions{display:flex;gap:8px;flex:0 0 auto}

/* 分页 */
.pager{display:flex;align-items:center;gap:10px;justify-content:flex-end;padding:12px 16px;font-size:13px;color:var(--text-2)}
.pager .btn{min-width:34px}

/* 分段控件 */
.seg{display:inline-flex;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;background:#fbfcfe}
.seg button{
  border:0;background:transparent;padding:9px 18px;cursor:pointer;color:var(--text-2);font-size:14px;
  border-right:1px solid var(--line);display:flex;align-items:center;gap:6px;
}
.seg button:last-child{border-right:0}
.seg button.active{background:var(--brand);color:#fff;font-weight:600}
.seg button .dot{width:11px;height:11px;border-radius:3px;border:1px solid #b9c4d4;display:inline-block}
.seg button.active .dot{border-color:rgba(255,255,255,.7)}

/* 上传 */
.uploader{
  position:relative;border:1.5px dashed var(--line);border-radius:var(--radius);background:#fbfcfe;
  min-height:150px;display:flex;align-items:center;justify-content:center;cursor:pointer;overflow:hidden;
  transition:.15s;
}
.uploader:hover{border-color:var(--brand-line);background:#f6faff}
.uploader img{width:100%;height:180px;object-fit:cover;display:block}
.uploader-empty{display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--muted);font-size:13px;padding:28px}
.uploader-empty i{font-style:normal;font-size:26px;color:var(--brand);line-height:1}
.uploader-del{
  position:absolute;top:8px;right:8px;width:26px;height:26px;border-radius:50%;border:0;
  background:rgba(0,0,0,.55);color:#fff;font-size:15px;cursor:pointer;line-height:1;
}
.uploader.busy::after{
  content:"上传中…";position:absolute;inset:0;background:rgba(255,255,255,.78);
  display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--brand);
}

/* 表单 */
.rec-form{display:flex;flex-direction:column;gap:16px}
.form-section{border:1px solid var(--line);border-radius:var(--radius);padding:16px;background:#fff}
.form-section-title{
  font-size:13px;font-weight:600;color:var(--brand);margin-bottom:12px;display:flex;align-items:center;gap:10px;
}
.form-section-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--brand)}
.form-section-hint{font-weight:400;color:var(--muted);font-size:12px}
/* 照片牌照清晰度确认 */
.plate-confirm{
  display:flex;align-items:flex-start;gap:9px;margin-top:12px;padding:10px 12px;border-radius:var(--radius-sm);
  background:var(--warn-soft);border:1px solid #f0dcb6;font-size:13px;color:var(--text-2);cursor:pointer;line-height:1.55;
}
.plate-confirm input{margin-top:2px;width:16px;height:16px;flex:0 0 auto;accent-color:var(--brand);cursor:pointer}
.plate-confirm b{color:var(--danger)}
.plate-confirm.ok{background:var(--ok-soft);border-color:#bfe6d2}
.plate-confirm.err{background:var(--danger-soft);border-color:#f6c9c5}
.plate-confirm[hidden]{display:none}
.form-actions{display:flex;gap:10px;justify-content:flex-end;position:sticky;bottom:0;background:var(--bg);padding:10px 0}
.form-meta{font-size:12px;color:var(--muted);margin-top:10px}

/* ============ 弹层 ============ */
.modal-mask{
  position:fixed;inset:0;background:rgba(16,24,40,.45);z-index:100;display:flex;align-items:flex-start;
  justify-content:center;padding:28px 16px;overflow:auto;animation:fade .16s ease;
}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal{
  background:#fff;border-radius:14px;box-shadow:var(--shadow-lg);width:100%;max-width:860px;
  animation:pop .18s ease;margin:auto 0;
}
.modal.sm{max-width:520px}
.modal.md{max-width:680px}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.99)}to{opacity:1;transform:none}}
.modal-head{display:flex;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line-2)}
.modal-head h3{font-size:16px;flex:1}
.modal-close{background:none;border:0;font-size:22px;color:var(--muted);cursor:pointer;line-height:1;padding:0 4px}
.modal-body{padding:20px;max-height:calc(100vh - 190px);overflow:auto}
.modal-foot{display:flex;gap:10px;justify-content:flex-end;padding:14px 20px;border-top:1px solid var(--line-2);background:#fbfcfe;border-radius:0 0 14px 14px}

/* 标签编辑器 */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px;min-height:26px}
.chip{
  display:inline-flex;align-items:center;gap:6px;background:var(--brand-soft);color:var(--brand);
  border:1px solid var(--brand-line);border-radius:999px;padding:3px 6px 3px 11px;font-size:13px;
}
.chip b{cursor:pointer;font-weight:700;opacity:.7;font-size:14px;padding:0 3px}
.chip b:hover{opacity:1;color:var(--danger)}
.chip.add{background:#fff;border-style:dashed;padding:3px 10px}
.chip.cam{background:var(--ok-soft);color:var(--ok);border-color:#bfe6d2}
.chip.ty{background:var(--warn-soft);color:var(--warn);border-color:#f0dcb6}
.checkbox-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:8px}
.check{
  display:flex;align-items:center;gap:7px;padding:7px 10px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fbfcfe;font-size:13px;cursor:pointer;user-select:none;
}
.check:hover{border-color:var(--brand-line);background:#f6faff}
.check input{accent-color:var(--brand);width:15px;height:15px;margin:0}
.check.on{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand);font-weight:600}
.switch-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px dashed var(--line-2)}
.switch-row:last-child{border-bottom:0}
.switch-row .sw-label{font-size:13px}
.switch-row .sw-label small{display:block;color:var(--muted);font-size:12px}
.switch{position:relative;width:44px;height:24px;flex:0 0 auto}
.switch input{opacity:0;width:0;height:0;position:absolute}
.switch span{position:absolute;inset:0;background:#cdd6e3;border-radius:999px;transition:.18s;cursor:pointer}
.switch span::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:.18s}
.switch input:checked + span{background:var(--brand)}
.switch input:checked + span::after{transform:translateX(20px)}

/* toast */
.toast-root{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:300;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{
  background:#1f2937;color:#fff;padding:9px 16px;border-radius:999px;font-size:13px;box-shadow:var(--shadow-lg);
  animation:fade .16s ease;max-width:80vw;
}
.toast.ok{background:#0f9d63}
.toast.err{background:#d92d20}
.toast.warn{background:#b4700a}

/* 图片查看 */
.lightbox{position:fixed;inset:0;background:rgba(10,15,25,.86);z-index:400;display:flex;align-items:center;justify-content:center;padding:24px}
.lightbox img{max-width:92vw;max-height:88vh;border-radius:10px;box-shadow:var(--shadow-lg)}
.lightbox .close{position:absolute;top:18px;right:22px;color:#fff;font-size:30px;cursor:pointer;background:none;border:0}

/* 进度条 */
.progress{height:6px;border-radius:3px;background:var(--line-2);overflow:hidden;margin-top:10px}
.progress i{display:block;height:100%;background:var(--brand);border-radius:3px;transition:width .4s}

/* 交叉表热力 */
.heat{display:inline-block;padding:6px 10px;border-radius:6px;font-variant-numeric:tabular-nums;min-width:44px;text-align:center}
.mini-note{font-size:12px;color:var(--muted);margin-top:8px}

/* ============ 车辆编号 ============ */
.serial-input{display:flex;gap:8px;align-items:center}
.serial-input input{
  flex:1;background:#f6f8fc;color:var(--text);font-weight:700;letter-spacing:1px;
  font-family:Consolas,Menlo,monospace;cursor:default;
}
.serial-input input:focus{border-color:var(--brand-line);outline:none}
.serial-badge{
  display:inline-block;padding:3px 9px;border-radius:6px;font-size:13px;font-weight:700;letter-spacing:.5px;
  font-family:Consolas,Menlo,monospace;background:var(--brand-soft);color:var(--brand);
  border:1px solid var(--brand-line);cursor:copy;white-space:nowrap;
}
.serial-badge.empty{background:#f2f4f8;color:var(--muted);border-color:var(--line);cursor:default;font-weight:400;font-family:inherit}
.serial-head{
  display:flex;align-items:center;gap:12px;padding:12px 14px;margin-bottom:14px;
  background:linear-gradient(90deg,var(--brand-soft),#fff);border:1px solid var(--brand-line);border-radius:var(--radius-sm);
}
.serial-head .serial-big{font-family:Consolas,Menlo,monospace;font-size:24px;font-weight:700;letter-spacing:2px;color:var(--brand)}
.serial-head .serial-tip{font-size:12px;color:var(--muted);margin-left:auto}
.serial-rule-block{margin-bottom:14px}
.serial-rule-title{font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:8px}
.serial-codes{display:flex;flex-wrap:wrap;gap:8px}
.serial-codes .code-item{
  display:inline-flex;align-items:center;gap:6px;padding:5px 8px;border:1px solid var(--line);
  border-radius:var(--radius-sm);background:#fbfcfe;font-size:13px;
}
.serial-codes .code-item span{color:var(--text-2)}
.serial-codes .code-item input{
  width:34px;text-align:center;font-weight:700;text-transform:uppercase;padding:3px 2px;
  font-family:Consolas,Menlo,monospace;
}
.serial-codes .code-item input[data-typecode]{width:44px}
.serial-codes .code-item .code-sample{
  font-style:normal;font-size:11px;color:var(--muted);font-family:Consolas,Menlo,monospace;
  background:#f2f5fa;border-radius:4px;padding:1px 5px;
}
.serial-usage{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.serial-usage .usage-item{
  font-size:12px;color:var(--text-2);background:#f6f8fc;border:1px solid var(--line);
  border-radius:6px;padding:4px 8px;
}
.serial-usage .usage-item b{font-family:Consolas,Menlo,monospace;color:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:900px){
  .login-card{flex-direction:column;max-width:440px}
  .login-brand{flex:0 0 auto;padding:28px 24px;align-items:flex-start}
  .logo{margin-bottom:12px}
  .login-form{padding:26px 24px 32px}
  .sidebar{transform:translateX(-100%);transition:transform .22s ease;width:236px;box-shadow:var(--shadow-lg)}
  .sidebar.open{transform:none}
  .side-mask{display:block;position:fixed;inset:0;background:rgba(16,24,40,.4);z-index:35;opacity:0;pointer-events:none;transition:opacity .2s}
  .side-mask.show{opacity:1;pointer-events:auto}
  .main{margin-left:0}
  .hamburger{display:inline-flex;align-items:center;justify-content:center}
  .content{padding:14px 14px 60px}
  .topbar{padding:10px 14px}
  .notice{margin:12px 14px 0}
  .grid-2{grid-template-columns:1fr}
  .filters .field{flex:1 1 46%}
  .filters .actions{flex:1 1 100%}
  .filters .actions .btn{flex:1}
  .page-title{font-size:16px}
  .scope-chip{display:none}
  .modal-body{padding:16px}
  .form-actions{flex-wrap:wrap}
  .form-actions .btn{flex:1}
}
@media (max-width:560px){
  .seg{width:100%}
  .seg button{flex:1;padding:9px 6px;justify-content:center;font-size:13px}
  .kpi-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .kpi .kpi-value{font-size:22px}
  .bar-row{grid-template-columns:74px 1fr 38px}
  .table-wrap{max-height:none}
}
@media print{
  .sidebar,.topbar,.filters,.row-actions,.pager{display:none !important}
  .main{margin:0}
  body{background:#fff}
}