* { box-sizing: border-box; }
body { font-family: "PingFang SC", "Microsoft YaHei", sans-serif; margin: 0; background: #f4f6f9; color: #333; }
a { color: #1a73e8; text-decoration: none; }
a:hover { text-decoration: underline; }
.nav { background: #1a2b4a; color: #fff; padding: 12px 20px; display: flex; align-items: center; gap: 18px; }
.nav .brand { font-weight: bold; font-size: 18px; color: #fff; }
.nav a { color: #cfe0ff; }
.nav .spacer { flex: 1; }
.nav .user { color: #9fb3d9; font-size: 13px; }
.nav button.link { background: none; border: none; color: #cfe0ff; cursor: pointer; font-size: 14px; padding: 0; }
.nav button.link:hover { text-decoration: underline; }
.container { max-width: 1100px; margin: 24px auto; padding: 0 16px; }
.card { background: #fff; border-radius: 8px; padding: 20px; box-shadow: 0 1px 4px rgba(0,0,0,.08); margin-bottom: 18px; }
h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 18px; margin: 0 0 12px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 8px; border-bottom: 1px solid #eee; text-align: left; }
th { background: #f7f9fc; color: #555; font-weight: 600; }
tr:hover td { background: #fafcff; }
.btn { display: inline-block; background: #1a73e8; color: #fff; border: none; padding: 8px 16px; border-radius: 5px; cursor: pointer; font-size: 14px; }
.btn:hover { background: #1558b0; text-decoration: none; color: #fff; }
.btn.secondary { background: #6c757d; }
.btn.danger { background: #d93025; }
.btn.small { padding: 4px 10px; font-size: 12px; }
input[type=text], input[type=email], input[type=password], input[type=date], input[type=number], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid #ccc; border-radius: 5px; font-size: 14px; margin: 4px 0 12px;
}
label { font-size: 13px; color: #555; font-weight: 600; }
.form-row { display: flex; gap: 14px; }
.form-row > div { flex: 1; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 12px; color: #fff; }
.badge.pending { background: #f9ab00; }
.badge.pending_ocr { background: #9334e6; }
.badge.ocr_failed { background: #d93025; }
.badge.approved { background: #1a73e8; }
.badge.paid { background: #188038; }
.badge.rejected { background: #d93025; }
.alert-error { background: #fdecea; color: #b3261e; padding: 10px 14px; border-radius: 5px; margin-bottom: 14px; }
.alert-ok { background: #e6f4ea; color: #188038; padding: 10px 14px; border-radius: 5px; margin-bottom: 14px; }
.login-wrap { max-width: 380px; margin: 80px auto; }
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 14px; }
.filters > div { min-width: 140px; }
.filters input, .filters select { margin: 4px 0 0; }
.totals { font-size: 14px; color: #555; margin-bottom: 10px; }
.totals b { color: #111; }
.checkbox-list label { display: block; font-weight: normal; margin: 4px 0; }
.checkbox-list input { width: auto; margin-right: 6px; }
.inline-form { display: inline; }
.admin-tag { background: #7b1fa2; color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 10px; margin-left: 6px; }
.detail-grid { display: grid; grid-template-columns: 160px 1fr; gap: 8px 12px; font-size: 14px; }
.detail-grid dt { color: #777; }
.detail-grid dd { margin: 0; }
.topnav { background: #1a2b4a; color: #fff; padding: 12px 20px; display: flex; align-items: center; gap: 18px; }
.topnav .brand { font-weight: bold; font-size: 18px; color: #fff; }
.topnav a { color: #cfe0ff; }
.topnav .nav-links { display: flex; gap: 14px; }
.topnav .nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.topnav .user { color: #9fb3d9; font-size: 13px; }
.topnav button.link { background: none; border: none; color: #cfe0ff; cursor: pointer; font-size: 14px; padding: 0; }
.topnav button.link:hover { text-decoration: underline; }
.lang-switch { font-size: 13px; color: #9fb3d9; }
.lang-switch a { color: #cfe0ff; }
.lang-switch b { color: #fff; }
.admin-tag { background: #f9ab00; color: #000; font-size: 11px; padding: 2px 6px; border-radius: 3px; margin-left: 6px; }
.inline-form { display: inline; }
.detail-grid { display: grid; grid-template-columns: 140px 1fr; gap: 8px 16px; font-size: 14px; }
.detail-grid dt { font-weight: 600; color: #555; }
.detail-grid dd { margin: 0; }
.filters { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 16px; }
.filters > div { min-width: 140px; }
.totals { margin-bottom: 12px; font-size: 14px; color: #555; }
.checkbox-list { display: flex; flex-wrap: wrap; gap: 10px; margin: 8px 0 12px; }
.checkbox-list label { font-weight: normal; }