:root { --dark:#172033; --side:#111827; --line:#e5e7eb; --blue:#2563eb; --green:#16a34a; --yellow:#ca8a04; --red:#dc2626; --muted:#6b7280; }
* { box-sizing: border-box; }
body { margin:0; font-family: Arial, "Microsoft YaHei", sans-serif; color:#111827; background:#f3f4f6; }
a { color:inherit; text-decoration:none; }
input, select, button { font:inherit; }
button, .btn { border:1px solid var(--line); background:white; padding:8px 12px; border-radius:6px; cursor:pointer; display:inline-flex; align-items:center; gap:6px; }
button.small, .btn.small { padding:6px 10px; min-width:62px; justify-content:center; }
.primary { background:var(--blue); color:white; border-color:var(--blue); }
.success { background:var(--green); color:white; border-color:var(--green); }
.warn { background:var(--yellow); color:white; border-color:var(--yellow); }
.danger { background:var(--red); color:white; border-color:var(--red); }
.mini { padding:4px 8px; margin-left:6px; }
.login-page { min-height:100vh; display:grid; place-items:center; background:linear-gradient(135deg,#eef2ff,#f8fafc); }
.login-page.dark { background:#111827; }
.login-card { width:min(420px,92vw); background:white; padding:34px; border-radius:8px; box-shadow:0 18px 55px rgba(15,23,42,.18); }
.login-card h1 { margin:0 0 8px; font-size:28px; }
.login-card p { margin:0 0 24px; color:var(--muted); }
label { display:grid; gap:6px; margin:0 0 14px; color:#374151; }
input, select { width:100%; padding:10px 12px; border:1px solid var(--line); border-radius:6px; background:white; }
textarea { width:100%; padding:10px 12px; border:1px solid var(--line); border-radius:6px; background:white; resize:vertical; font:inherit; }
.alert { padding:10px 12px; background:#fef2f2; color:#991b1b; border:1px solid #fecaca; border-radius:6px; margin-bottom:14px; }
.alert.ok { background:#ecfdf5; color:#166534; border-color:#bbf7d0; }
.admin-top { height:58px; background:var(--dark); color:white; display:flex; align-items:center; justify-content:space-between; padding:0 28px; }
.admin-top .brand { font-weight:700; font-size:18px; }
.admin-top nav { display:flex; gap:20px; color:#d1d5db; }
.admin-main { padding:26px; }
.page-head { display:flex; align-items:flex-end; justify-content:space-between; gap:12px; margin-bottom:18px; }
.page-head h1 { margin:0; font-size:24px; }
.page-head span { color:var(--muted); }
.panel, .search-card, .table-panel { background:white; border:1px solid var(--line); border-radius:8px; padding:18px; margin-bottom:18px; }
.panel h2 { margin:0 0 14px; font-size:18px; }
.stat-grid { display:grid; grid-template-columns:repeat(7,1fr); gap:14px; margin-bottom:18px; }
.stat-grid div { background:white; border:1px solid var(--line); border-radius:8px; padding:18px; }
.stat-grid b { display:block; font-size:28px; }
.stat-grid span { color:var(--muted); }
.inline-form { display:flex; gap:10px; align-items:center; }
.two-cols { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.grid-form { display:grid; grid-template-columns:repeat(6,1fr); gap:12px; align-items:end; }
table { width:100%; border-collapse:collapse; font-size:14px; }
th, td { padding:11px 10px; border-bottom:1px solid var(--line); text-align:left; vertical-align:middle; }
th { color:#374151; background:#f9fafb; font-weight:700; }
.actions { display:flex; gap:6px; flex-wrap:wrap; }
.actions form { display:inline; }
.mono, code { font-family:Consolas, monospace; }
.badge { padding:4px 8px; border-radius:999px; background:#e5e7eb; }
.badge.valid { background:#dcfce7; color:#166534; }
.badge.disabled { background:#fee2e2; color:#991b1b; }
.narrow { max-width:520px; }
.data-shell { display:flex; min-height:100vh; background:#eef1f5; }
.data-single { display:block; }
.data-side { width:230px; background:var(--side); color:#cbd5e1; padding:20px 14px; }
.data-logo { color:white; font-size:20px; font-weight:700; padding:10px 12px 24px; }
.data-side a { display:block; padding:12px 14px; border-radius:6px; margin-bottom:8px; }
.data-side a.active, .data-side a:hover { background:#1f2937; color:white; }
.data-main { flex:1; min-width:0; }
.data-single .data-main { width:100%; min-height:100vh; }
.data-top { height:58px; background:#1f2937; color:white; display:flex; align-items:center; justify-content:space-between; padding:0 24px; }
.data-content { padding:22px; }
.search-card { display:grid; grid-template-columns:repeat(8, minmax(110px,1fr)); gap:12px; align-items:center; }
.detail-search { grid-template-columns:repeat(9, minmax(110px,1fr)); }
.field-inline { margin:0; gap:4px; font-size:12px; color:var(--muted); }
.field-inline input { margin-top:0; }
.toolbar { display:flex; gap:10px; align-items:center; margin-bottom:14px; }
.list-toolbar { flex-wrap:wrap; }
.toolbar-spacer { flex:1; min-width:20px; }
.toolbar form { display:inline; }
.thumb { width:46px; height:46px; object-fit:cover; border-radius:6px; background:#f3f4f6; }
.ellipsis { max-width:280px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.category-cell { min-width:150px; max-width:240px; color:#374151; }
.category-row { display:flex; align-items:center; justify-content:space-between; gap:18px; }
.category-row div { display:grid; gap:6px; }
.category-row span { color:var(--muted); }
.pager { display:flex; gap:12px; align-items:center; justify-content:flex-end; color:var(--muted); margin:16px 0; }
.kv { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; }
.kv div { display:grid; gap:4px; padding:10px; background:#f9fafb; border-radius:6px; }
.kv b { color:#374151; }
pre { white-space:pre-wrap; word-break:break-word; background:#0f172a; color:#e5e7eb; padding:16px; border-radius:8px; max-height:62vh; overflow:auto; }
dialog { border:none; border-radius:8px; padding:0; width:min(920px,92vw); }
dialog::backdrop { background:rgba(15,23,42,.48); }
.shop-settings-dialog { padding:22px 22px 18px; }
.shop-settings-dialog h3 { margin:0 0 18px; font-size:22px; }
.settings-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; margin-bottom:16px; }
.settings-grid label span { font-size:12px; color:var(--muted); }
.settings-layout { display:grid; gap:12px; margin-bottom:18px; }
.settings-row { display:grid; grid-template-columns:180px minmax(0,1fr); gap:16px; align-items:center; padding:14px 0; border-bottom:1px solid #e5e7eb; }
.settings-row:last-child { border-bottom:none; padding-bottom:0; }
.settings-meta { display:grid; gap:4px; align-self:start; padding-top:8px; }
.settings-title { font-weight:700; color:#111827; line-height:1.3; }
.settings-help { position:relative; display:inline-flex; align-items:center; justify-content:center; width:16px; height:16px; margin-left:6px; border-radius:999px; background:#e0e7ff; color:#1d4ed8; font-size:11px; font-weight:700; cursor:help; vertical-align:middle; }
.settings-help::after { content:attr(data-tooltip); position:absolute; left:24px; top:50%; transform:translateY(-50%); min-width:220px; max-width:320px; padding:10px 12px; border-radius:8px; background:#111827; color:#f9fafb; font-size:12px; line-height:1.5; box-shadow:0 10px 24px rgba(15,23,42,.22); opacity:0; pointer-events:none; transition:opacity .15s ease; z-index:10; }
.settings-help::before { content:""; position:absolute; left:18px; top:50%; transform:translateY(-50%); border:6px solid transparent; border-right-color:#111827; opacity:0; transition:opacity .15s ease; z-index:10; }
.settings-help:hover::after,
.settings-help:hover::before,
.settings-help:focus-visible::after,
.settings-help:focus-visible::before { opacity:1; }
.settings-hint { font-size:12px; color:#6b7280; line-height:1.4; }
.settings-controls { display:grid; gap:12px; }
.settings-controls--triple { grid-template-columns:160px repeat(2, minmax(0,1fr)); }
.settings-controls--double { grid-template-columns:repeat(2, minmax(0,1fr)); }
.settings-controls--single { grid-template-columns:minmax(220px, 280px); }
.settings-field { display:grid; gap:6px; margin:0; padding:12px 14px; background:#f8fafc; border:1px solid #e5e7eb; border-radius:8px; }
.settings-field--sm { min-width:0; }
.settings-field span { font-size:12px; color:#6b7280; line-height:1; }
.settings-field input,
.settings-field select { margin:0; width:100%; background:#fff; }
@media (max-width: 1000px) {
  .stat-grid, .two-cols, .grid-form, .search-card, .detail-search, .kv, .settings-grid { grid-template-columns:1fr 1fr; }
  .data-side { width:190px; }
  .settings-row { grid-template-columns:1fr; gap:10px; }
  .settings-meta { padding-top:0; }
  .settings-controls--triple { grid-template-columns:repeat(3, minmax(0,1fr)); }
}
@media (max-width: 720px) {
  .data-shell { display:block; }
  .data-side { width:auto; }
  .admin-top, .data-top { height:auto; padding:14px; flex-wrap:wrap; gap:10px; }
  .stat-grid, .two-cols, .grid-form, .search-card, .detail-search, .kv, .settings-grid { grid-template-columns:1fr; }
  .category-row { align-items:flex-start; flex-direction:column; }
  .settings-controls--triple,
  .settings-controls--double,
  .settings-controls--single { grid-template-columns:1fr; }
  .shop-settings-dialog { padding:18px 16px 16px; }
  .shop-settings-dialog h3 { font-size:20px; }
  .settings-help::after { left:auto; right:0; top:calc(100% + 10px); transform:none; min-width:200px; max-width:min(280px, 78vw); }
  .settings-help::before { left:auto; right:4px; top:calc(100% + 4px); transform:none; border-right-color:transparent; border-bottom-color:#111827; }
}