/**
 * BilzatOS 管理后台 · 全站响应式（桌面 / iPad / 手机）
 * 由 nav.js 自动注入，无需逐页改 HTML。
 */
:root {
  --admin-topbar-h: 52px;
  --admin-side-w: 240px;
}

/* —— 移动端顶栏 —— */
.admin-mobile-topbar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--admin-topbar-h);
  padding: 0 12px 0 8px;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid #e8e8e8;
  z-index: 110;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.06);
}

.admin-menu-toggle {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 10px;
  background: #fff4ec;
  color: #ff6a1a;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  transition: background 0.15s;
}

.admin-menu-toggle:hover {
  background: #ffd0b3;
}

.admin-mobile-title {
  font-size: 15px;
  font-weight: 700;
  color: #1a1a2e;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

.admin-sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  z-index: 99;
  opacity: 0;
  transition: opacity 0.22s ease;
}

body.admin-sidebar-open .admin-sidebar-backdrop {
  display: block;
  opacity: 1;
}

/* —— 表格横向滚动容器（JS 自动包裹） —— */
.admin-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
}

.admin-table-scroll > table {
  min-width: 560px;
}

/* —— 平板 & 手机（≤1023px） —— */
@media (max-width: 1023px) {
  .admin-mobile-topbar {
    display: flex;
  }

  body.admin-layout {
    flex-direction: column;
  }

  .admin-sidebar {
    transform: translateX(-100%);
    transition: transform 0.24s ease;
    z-index: 120;
    box-shadow: 4px 0 24px rgba(15, 23, 42, 0.12);
  }

  body.admin-sidebar-open .admin-sidebar {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0 !important;
    padding-top: calc(var(--admin-topbar-h) + 16px) !important;
    padding-left: 16px !important;
    padding-right: 16px !important;
    padding-bottom: 24px !important;
    width: 100%;
    min-width: 0;
  }

  .page-header h2 {
    font-size: 20px;
  }

  .panel,
  .card,
  .stat-card,
  .user-panel,
  .rbac-panel,
  .placeholder-panel {
    padding: 16px !important;
  }

  .panel-header,
  .card-header,
  .user-toolbar,
  .rbac-panel-head {
    flex-direction: column;
    align-items: stretch !important;
  }

  .query-bar,
  .users-tools,
  .user-search,
  .rbac-toolbar {
    width: 100%;
  }

  .user-search input,
  .users-search {
    flex: 1;
    min-width: 0 !important;
    width: 100%;
  }

  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .form-group {
    min-width: 0 !important;
    width: 100%;
  }

  .shared-node-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .shared-node-meta {
    flex-direction: column;
    gap: 6px;
  }

  .quick-actions {
    grid-template-columns: 1fr;
  }

  .iam-split {
    grid-template-columns: 1fr !important;
  }

  .trend-bars {
    height: 120px;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .trend-col {
    min-width: 28px;
  }

  .modal-box,
  .rbac-modal-box {
    width: 100% !important;
    max-width: calc(100vw - 32px) !important;
    margin: 16px;
    max-height: calc(100vh - 32px);
    overflow-y: auto;
  }

  .rbac-table {
    min-width: 640px;
  }

  .rbac-perm-grid {
    grid-template-columns: 1fr !important;
  }

  .pagination .total {
    margin-left: 0;
    width: 100%;
    text-align: center;
  }
}

/* —— 手机（≤767px） —— */
@media (max-width: 767px) {
  .main-content {
    padding-left: 12px !important;
    padding-right: 12px !important;
  }

  .stats-row {
    grid-template-columns: 1fr !important;
    gap: 12px;
  }

  .stat-card-value,
  .rbac-stat-value,
  .score-hero {
    font-size: 26px;
  }

  .ov-kpi .num {
    font-size: 24px;
  }

  .user-toolbar > div {
    width: 100%;
  }

  .user-search {
    flex-direction: column;
    width: 100%;
  }

  .user-search input {
    width: 100% !important;
  }

  .btn,
  .btn-primary,
  .btn-outline,
  .rbac-btn {
    min-height: 36px;
  }

  .rbac-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
  }

  .rbac-tab {
    flex-shrink: 0;
  }

  .bw-pay-runtime {
    flex-direction: column;
    align-items: stretch;
  }

  .idc-hero,
  .cmp-hero {
    flex-direction: column !important;
    padding: 20px 18px !important;
  }

  .idc-hero-side,
  .cmp-hero-side {
    grid-template-columns: repeat(2, 1fr) !important;
    width: 100%;
  }

  .idc-hero h2,
  .cmp-hero h2 {
    font-size: 20px !important;
  }
}

/* —— 小屏手机（≤480px） —— */
@media (max-width: 480px) {
  :root {
    --admin-topbar-h: 48px;
  }

  .admin-mobile-title {
    font-size: 14px;
  }

  .page-header h2 {
    font-size: 18px;
  }

  .page-header p,
  .bz-sub {
    font-size: 12px;
  }

  .sms-row {
    flex-direction: column;
    align-items: stretch;
  }

  .sms-send {
    width: 100%;
    text-align: center;
  }

  .idc-hero-side,
  .cmp-hero-side {
    grid-template-columns: 1fr 1fr !important;
  }

  .pagination button {
    padding: 6px 10px;
    font-size: 12px;
  }
}

/* —— 登录页（独立，无侧栏） —— */
@media (max-width: 480px) {
  body.admin-login-page {
    align-items: flex-start;
    padding: 16px 12px;
  }

  body.admin-login-page .login-box {
    padding: 24px 18px;
    border-radius: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .admin-sidebar,
  .admin-sidebar-backdrop {
    transition: none !important;
  }
}