:root {
  --primary: #2f6fed;
  --primary-d: #2257c4;
  --bg: #f4f6fa;
  --card: #fff;
  --text: #1f2430;
  --muted: #8b93a7;
  --line: #e6e9f0;
  --ok: #18a058;
  --warn: #f0a020;
  --err: #e54d42;
  --radius: 12px;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); font-size: 14px; }
h2 { margin: 0 0 6px; font-size: 18px; }
.muted { color: var(--muted); font-size: 13px; }
code { background: #eef1f6; padding: 1px 5px; border-radius: 4px; font-size: 12px; }

/* 登录 */
.mask { position: fixed; inset: 0; background: linear-gradient(135deg, #2f6fed, #5b8def); display: flex; align-items: center; justify-content: center; z-index: 100; }
.login-card { background: #fff; border-radius: 18px; padding: 34px 30px; width: 340px; text-align: center; box-shadow: 0 20px 50px rgba(0,0,0,.2); }
.brand-logo { width: 54px; height: 54px; line-height: 54px; margin: 0 auto 12px; background: var(--primary); color: #fff; border-radius: 14px; font-size: 24px; font-weight: 700; }
.login-card h1 { margin: 0 0 4px; font-size: 20px; }
form { text-align: left; margin-top: 18px; }
form label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 5px; }
input, select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 9px;
  font-size: 14px; background: #fbfcfe; color: var(--text); outline: none; font-family: inherit;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); }
.error { color: var(--err); font-size: 13px; margin-top: 10px; }
.hidden { display: none !important; }

/* 按钮 */
.btn { border: none; border-radius: 9px; padding: 10px 16px; font-size: 14px; cursor: pointer; background: #eef1f6; color: var(--text); }
.btn:active { transform: scale(.98); }
.btn-block { width: 100%; }
.btn-sm { padding: 7px 12px; font-size: 13px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:active { background: var(--primary-d); }
.btn-outline { background: #fff; border: 1px solid var(--line); }
.btn-ghost { background: transparent; color: var(--muted); }

/* 布局 */
.app { display: flex; min-height: 100vh; }
.sidebar { width: 200px; background: #fff; border-right: 1px solid var(--line); padding: 20px 14px; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.logo { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 20px; padding-left: 6px; }
.sidebar nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.nav-item { text-align: left; padding: 11px 14px; border: none; background: transparent; border-radius: 9px; cursor: pointer; font-size: 14px; color: var(--text); }
.nav-item.active { background: #eef3ff; color: var(--primary); font-weight: 600; }
.side-foot { border-top: 1px solid var(--line); padding-top: 12px; }
.content { flex: 1; padding: 26px 30px; max-width: 1100px; }
.tab { display: none; }
.tab.active { display: block; }

/* 卡片 */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-top: 14px; }
.import-row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.import-row input[type=file] { width: auto; flex: 1; min-width: 200px; }
.divider { text-align: center; color: var(--muted); margin: 16px 0; position: relative; }
.divider::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; border-top: 1px solid var(--line); }
.divider span { background: var(--card); padding: 0 12px; position: relative; font-size: 13px; }
.result { margin-top: 14px; font-size: 13px; padding: 10px 12px; border-radius: 8px; background: #e6f7ee; color: var(--ok); }
.result.err { background: #fdecea; color: var(--err); }

/* 工具栏 */
.toolbar { display: flex; gap: 10px; align-items: center; margin: 14px 0; flex-wrap: wrap; }
.toolbar.wrap { flex-wrap: wrap; }
.toolbar input[type=text], .toolbar select, .input { width: auto; min-width: 150px; }
.toolbar input[type=date] { width: auto; }

/* 表格 */
.table-wrap { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: auto; margin-top: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { background: #f7f9fc; color: var(--muted); font-weight: 600; }
tbody tr:hover { background: #fafbfe; }
.tag { font-size: 11px; padding: 2px 7px; border-radius: 6px; }
.tag-已盘 { background: #e6f7ee; color: var(--ok); }
.tag-异常 { background: #fdecea; color: var(--err); }
.tag-待复核 { background: #fff4e0; color: var(--warn); }

.pager { display: flex; gap: 12px; align-items: center; margin-top: 12px; }
.form-grid { display: grid; grid-template-columns: repeat(4, 1fr) auto; gap: 10px; align-items: end; }

/* Toast */
.toast { position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%); background: rgba(20,24,34,.9); color: #fff; padding: 10px 18px; border-radius: 20px; font-size: 13px; z-index: 200; }

@media (max-width: 720px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; flex-direction: row; align-items: center; padding: 12px; }
  .logo { margin: 0 14px 0 0; }
  .sidebar nav { flex-direction: row; flex: 1; overflow-x: auto; }
  .side-foot { border: none; padding: 0; }
  .content { padding: 18px; }
  .form-grid { grid-template-columns: 1fr; }
}