/* ==========================================================================
   admin.css — 管理面板样式（复用主应用主题变量与基础控件）
   ========================================================================== */

.admin-body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text); font: var(--fs)/1.6 var(--font-sans); }

/* ------------------------------ 权限占位 ------------------------------ */
.admin-gate { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.gate-card {
  width: 100%; max-width: 400px; padding: 30px 26px; text-align: center;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
}
.gate-card .mark { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; margin: 0 auto 16px; background: var(--panel-2); border: 1px solid var(--border); }
.gate-card .mark .icon { width: 26px; height: 26px; }
.gate-card .mark.is-warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, transparent); }
.gate-card h1 { font-size: 1.15em; margin: 0 0 8px; }
.gate-card p { color: var(--text-dim); font-size: .88em; margin: 0 0 20px; }

/* ------------------------------ 布局 ------------------------------ */
.admin-shell { display: grid; grid-template-columns: 246px 1fr; min-height: 100vh; }
.admin-side {
  display: flex; flex-direction: column; gap: 10px; padding: 18px 14px;
  background: var(--panel); border-right: 1px solid var(--border); position: sticky; top: 0; height: 100vh;
}
.admin-brand { display: flex; align-items: center; gap: 10px; padding: 4px 6px 14px; }
.admin-brand .logo { width: 36px; height: 36px; border-radius: 11px; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.admin-brand .logo .icon { width: 19px; height: 19px; }
.admin-brand b { font-size: .98em; display: block; }
.admin-brand span { font-size: .76em; color: var(--text-mute); }

.admin-nav { display: flex; flex-direction: column; gap: 3px; }
.admin-nav button {
  display: flex; align-items: center; gap: 10px; width: 100%; padding: 9px 11px; border: 0; border-radius: 9px;
  cursor: pointer; text-align: left; background: transparent; color: var(--text-dim);
  font: 500 .9em var(--font-sans); transition: background var(--dur), color var(--dur);
}
.admin-nav button:hover { background: var(--panel-2); color: var(--text); }
.admin-nav button.is-active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.admin-nav button .icon { width: 16px; height: 16px; }

.admin-side-foot { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--border); }
.admin-side-foot .who { font-size: .78em; color: var(--text-mute); margin-bottom: 9px; word-break: break-all; }
.admin-side-foot .row { display: flex; gap: 6px; flex-wrap: wrap; }
.admin-side-foot .btn { text-decoration: none; }

.admin-main { padding: 22px 26px 60px; min-width: 0; max-width: 1180px; }
.pane { display: none; }
.pane.is-active { display: block; animation: pane-in .22s var(--ease) both; }
@keyframes pane-in { from { opacity: 0; transform: translateY(6px); } }

.pane-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.pane-head h1 { font-size: 1.24em; margin: 0; letter-spacing: -.01em; }
.pane-head .row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.sub { font-size: .92em; margin: 22px 0 10px; color: var(--text-dim); font-weight: 650; }
.card { padding: 16px 18px; margin-bottom: 16px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--border); }
.card > .sub:first-child { margin-top: 0; }
.hint { font-size: .8em; color: var(--text-mute); line-height: 1.7; margin: 6px 0 12px; }
.hint--inline-warn { color: var(--err); }
.card .switch-list { margin-bottom: 14px; }

/* ------------------------------ 统计 ------------------------------ */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(148px, 1fr)); gap: 10px; }
.stat { padding: 14px 15px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--border); }
.stat b { display: block; font-size: 1.5em; font-weight: 680; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.stat span { font-size: .78em; color: var(--text-mute); }
.stat.is-accent b { color: var(--accent); }
.stat.is-warn b { color: var(--warn); }
.stat.is-err b { color: var(--err); }
.stat.is-ok b { color: var(--ok); }

.kv-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 8px; }
.kv-grid div {
  display: flex; justify-content: space-between; gap: 12px; padding: 9px 12px; border-radius: var(--radius-sm);
  background: var(--panel); border: 1px solid var(--border); font-size: .85em;
}
.kv-grid div span:first-child { color: var(--text-mute); }
.kv-grid div span:last-child { font-family: var(--font-mono); font-size: .95em; word-break: break-all; text-align: right; }

/* ------------------------------ 表格 ------------------------------ */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); }
.table { width: 100%; border-collapse: collapse; font-size: .85em; }
.table th, .table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table th { font-size: .82em; font-weight: 600; color: var(--text-mute); background: var(--panel-2); white-space: nowrap; }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: var(--panel-2); }
.table td.nowrap { white-space: nowrap; }
.table .actions { display: flex; gap: 5px; flex-wrap: wrap; }
.table .empty { padding: 26px; text-align: center; color: var(--text-mute); }

.badge {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 999px;
  font-size: .82em; font-weight: 600; white-space: nowrap; background: var(--panel-3); color: var(--text-dim);
}
.badge.is-admin, .badge.is-accent { background: var(--accent-soft); color: var(--accent); }
.badge.is-ok { background: color-mix(in srgb, var(--ok) 15%, var(--panel-3)); color: var(--ok); }
.badge.is-warn { background: color-mix(in srgb, var(--warn) 16%, var(--panel-3)); color: var(--warn); }
.badge.is-err { background: color-mix(in srgb, var(--err) 15%, var(--panel-3)); color: var(--err); }

.bar { position: relative; height: 6px; border-radius: 999px; background: var(--panel-3); overflow: hidden; min-width: 62px; }
.bar i { position: absolute; inset: 0 auto 0 0; border-radius: 999px; background: var(--accent); }
.bar.is-warn i { background: var(--warn); }
.bar.is-err i { background: var(--err); }
.bar-label { font-size: .8em; color: var(--text-mute); font-variant-numeric: tabular-nums; }

/* ------------------------------ 表单 ------------------------------ */
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 4px 16px; }
.form-grid .field, .quota-grid .field { margin-bottom: 12px; }
.form-grid .field > span, .quota-grid .field > span { display: block; font-size: .82em; font-weight: 600; color: var(--text-dim); margin-bottom: 6px; }
.quota-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 4px 14px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row--gap { gap: 10px; }

/* ------------------------------ 响应式 ------------------------------ */
@media (max-width: 860px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-side { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--border); }
  .admin-nav { flex-direction: row; overflow-x: auto; padding-bottom: 4px; }
  .admin-nav button { width: auto; white-space: nowrap; }
  .admin-side-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
  .admin-side-foot .who { margin: 0; }
  .admin-main { padding: 18px 14px 50px; }
}