/* 后台管理样式（沿用前台纸感配色） */

.admin-body { background: var(--paper); }

.admin-shell { display: flex; min-height: 100vh; }

.admin-side {
  width: 216px; flex: 0 0 216px;
  border-right: 1px solid var(--line);
  background: #fcfbf7;
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.admin-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 18px 18px 16px; border-bottom: 1px solid var(--line);
  color: var(--ink); font-family: var(--font-serif); font-size: 16px; line-height: 1.25;
}
.admin-brand:hover { color: var(--ink); }
.admin-brand small { display: block; font-family: var(--font-mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-4); margin-top: 2px; }

.admin-nav { padding: 12px 10px; display: flex; flex-direction: column; gap: 2px; flex: 1; }
.admin-nav-item {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px; border-radius: var(--radius-sm);
  font-size: 13.5px; color: var(--ink-2);
}
.admin-nav-item:hover { background: var(--paper-2); color: var(--ink); }
.admin-nav-item.active { background: var(--ink); color: var(--paper); }
.admin-nav-item svg { opacity: .8; }

.admin-side-foot { padding: 14px 18px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 4px; }

.admin-main { flex: 1; min-width: 0; padding: 26px 32px 60px; }

.admin-top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 22px;
}
.admin-top h1 { font-family: var(--font-serif); font-size: 26px; font-weight: 500; letter-spacing: -.02em; }

/* 统计卡 */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.stat-cell { background: #fff; padding: 20px; }
.stat-cell .k { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-4); }
.stat-cell .v { font-family: var(--font-serif); font-size: 28px; letter-spacing: -.03em; margin-top: 8px; line-height: 1.1; }
.stat-cell .d { font-size: 12px; color: var(--ink-3); margin-top: 6px; }

/* 表格 */
.admin-table { width: 100%; min-width: 760px; border-collapse: collapse; background: #fff; }
.admin-table th, .admin-table td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--line); font-size: 13px; vertical-align: middle; }
.admin-table th { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-4); font-weight: 500; background: var(--paper); }
.admin-table tr:last-child td { border-bottom: 0; }
.admin-table tbody tr:hover { background: #fdfcf9; }
.admin-table td { white-space: nowrap; }
.admin-table td.wrap { white-space: normal; }
.admin-table .num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.admin-table .actions { display: flex; gap: 6px; justify-content: flex-end; }

.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.panel-head { padding: 14px 18px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.panel-head h2 { font-family: var(--font-sans, var(--font)); font-size: 14px; font-weight: 600; }
.panel-body { padding: 18px; }

.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
.toolbar .input, .toolbar .select { width: auto; min-width: 150px; padding: 7px 10px; font-size: 13px; }
.toolbar .spacer { flex: 1; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 20px; }
.form-grid .full { grid-column: 1 / -1; }
.form-grid .form-row { margin-bottom: 0; }

.inline-check { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink-2); }

.price-matrix { width: 100%; border-collapse: collapse; }
.price-matrix th, .price-matrix td { padding: 8px 10px; border-bottom: 1px solid var(--line); font-size: 12.5px; text-align: left; }
.price-matrix th { font-family: var(--font-mono); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-4); }
.price-matrix input { width: 100%; padding: 6px 8px; font-size: 12.5px; border: 1px solid var(--line-2); border-radius: 6px; font-family: inherit; }

.tag-list { display: flex; gap: 6px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .admin-shell { flex-direction: column; }
  .admin-side { width: 100%; flex: none; height: auto; position: static; flex-direction: row; align-items: center; overflow-x: auto; }
  .admin-brand { border-bottom: 0; border-right: 1px solid var(--line); white-space: nowrap; }
  .admin-nav { flex-direction: row; padding: 8px; }
  .admin-nav-item span { display: none; }
  .admin-side-foot { display: none; }
  .admin-main { padding: 18px 16px 48px; }
  .form-grid { grid-template-columns: 1fr; }
}