/* ============================================================
   admin.css — 管理后台专用样式
   ============================================================ */
body.admin { background: #eef2f7; }

.admin-top {
  background: var(--navy-900); color: #fff; padding: 0;
  position: sticky; top: 0; z-index: 40; box-shadow: 0 6px 22px rgba(6, 26, 48, .22);
}
.admin-top .wrap { display: flex; align-items: center; gap: 18px; height: 66px; }
.admin-top h1 { font-size: 17px; letter-spacing: .02em; }
.admin-top .badge {
  font-size: 11.5px; padding: 3px 10px; border-radius: 999px;
  background: rgba(239, 157, 36, .2); color: var(--amber-400); border: 1px solid rgba(239, 157, 36, .4);
  font-weight: 700;
}
.admin-top .spacer { margin-left: auto; }

.admin-main { padding: 30px 0 70px; }

.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 26px; }
.stat {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; box-shadow: var(--shadow-sm);
}
.stat small { color: var(--steel-300); font-size: 12.6px; letter-spacing: .06em; }
.stat b { display: block; font-size: 30px; margin-top: 6px; color: var(--navy-800); }
.stat--hot b { color: var(--amber-500); }

.panel {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); overflow: hidden;
}
.panel__head {
  display: flex; align-items: center; gap: 14px; padding: 18px 22px;
  border-bottom: 1px solid var(--line); flex-wrap: wrap;
}
.panel__head h2 { font-size: 17px; }
.panel__head .spacer { margin-left: auto; }
.panel__body { padding: 20px 22px 26px; }

.seg { display: inline-flex; background: #eef2f7; border-radius: 999px; padding: 4px; }
.seg button {
  border: 0; background: none; padding: 8px 18px; border-radius: 999px; cursor: pointer;
  font-weight: 700; font-size: 14px; color: var(--ink-soft);
}
.seg button.is-active { background: #fff; color: var(--navy-800); box-shadow: var(--shadow-sm); }

.admin-search {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
}
.admin-search input, .admin-search select {
  padding: 9px 13px; border: 1px solid var(--line); border-radius: 9px; background: #fff;
}
.admin-search input { min-width: 220px; }

.table-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 14.2px; }
table.tbl th, table.tbl td {
  text-align: left; padding: 13px 14px; border-bottom: 1px solid var(--line); vertical-align: top;
}
table.tbl th {
  background: #f6f9fc; font-size: 12.8px; color: var(--ink-soft);
  letter-spacing: .04em; white-space: nowrap; font-weight: 700;
}
table.tbl tr:hover td { background: #fafcfe; }
table.tbl td.mono { font-family: ui-monospace, Consolas, monospace; color: var(--navy-600); white-space: nowrap; }
table.tbl td.detail { max-width: 340px; white-space: pre-wrap; word-break: break-word; color: #33475a; }
.row-actions { display: flex; gap: 7px; flex-wrap: wrap; }
.mini {
  border: 1px solid var(--line); background: #fff; border-radius: 7px; padding: 6px 11px;
  font-size: 12.8px; cursor: pointer; color: var(--navy-700); font-weight: 600; white-space: nowrap;
}
.mini:hover { border-color: var(--navy-600); background: #f5f9fd; }
.mini--danger { color: #b93c3c; border-color: #f0d5d5; }
.mini--danger:hover { background: #fdf3f3; border-color: #dc9a9a; }
.mini--ok { color: #1d7a45; border-color: #cfe9da; }
.mini--ok:hover { background: #f2fbf6; }

.reply-box { margin-top: 10px; display: flex; gap: 8px; align-items: flex-start; flex-wrap: wrap; }
.reply-box textarea {
  flex: 1; min-width: 220px; min-height: 60px; padding: 9px 12px;
  border: 1px solid var(--line); border-radius: 8px; resize: vertical; font-size: 13.6px;
}

.note-box { margin-top: 10px; display: none; }
.note-box.is-open { display: block; }

.login-gate {
  min-height: 100vh; display: grid; place-items: center; padding: 40px 20px;
  background: linear-gradient(160deg, #061a30, #12395f);
}
.login-gate .card { width: min(430px, 100%); padding: 38px 34px; }
.login-gate h2 { font-size: 21px; margin-bottom: 8px; }
.login-gate p.hint { color: var(--ink-soft); font-size: 13.6px; margin-bottom: 24px; }
.login-gate .form-grid { grid-template-columns: 1fr; }

.empty-row { text-align: center; color: var(--steel-300); padding: 34px 0; font-size: 14.4px; }

@media (max-width: 900px) {
  .stat-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .stat-row { grid-template-columns: 1fr; }
  .admin-top .wrap { height: auto; padding: 12px 0; flex-wrap: wrap; gap: 10px; }
}