.admin-page {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  --bg: #f5f6f8;
  --panel: #fff;
  --ink: #18181b;
  --muted: #667085;
  --green: #007acc;
  --green-dark: #0068ad;
  --green-soft: #eaf5ff;
  --line: #e9ecf1;
  --radius: 24px;
  --sidebar-width: 288px;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  line-height: 1.5;
}
.admin-page :is(button, input, select) { font-family: inherit; }
.admin-page :is(button, a, input, select, summary):focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 80; padding: 12px 20px; border-radius: 12px; background: var(--green); color: white; }
.skip-link:focus { top: 12px; }
.admin-sidebar { position: fixed; inset: 0 auto 0 0; z-index: 40; display: flex; flex-direction: column; width: var(--sidebar-width); height: 100dvh; border-right: 1px solid var(--line); background: var(--panel); }
.sidebar-brand { display: flex; align-items: center; gap: 12px; min-height: 100px; padding: 24px; border-bottom: 1px solid var(--line); }
.admin-page .brand { gap: 12px; font-size: 21px; letter-spacing: 0; }
.admin-page .brand-en { margin-top: 3px; color: var(--muted); font-size: 12px; font-weight: 400; letter-spacing: 0; }
.admin-navigation { flex: 1; overflow-y: auto; padding: 16px; }
.navigation-label { display: block; margin: 12px 12px 8px; font-size: 12px; color: var(--muted); font-weight: 500; }
.navigation-label:not(:first-child) { margin-top: 28px; }
.admin-navigation a, .sidebar-footer a { display: flex; align-items: center; gap: 12px; min-height: 44px; padding: 10px 12px; border-radius: 12px; color: var(--muted); font-size: 14px; font-weight: 500; text-decoration: none; transition: color .15s, background .15s; }
.admin-navigation a + a { margin-top: 4px; }
.admin-navigation a:hover, .sidebar-footer a:hover { color: var(--ink); background: #f4f5f7; }
.admin-navigation a[aria-current] { color: var(--green); background: var(--green-soft); }
.admin-navigation svg, .sidebar-footer svg { width: 18px; height: 18px; }
.sidebar-footer { margin-top: auto; padding: 16px; border-top: 1px solid var(--line); }
.sidebar-footer a > :last-child { margin-left: auto; }
.admin-header { display: flex; align-items: center; gap: 16px; min-height: 80px; margin-left: var(--sidebar-width); padding: 16px 28px; }
.admin-breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 12px; color: var(--muted); }
.admin-breadcrumb [aria-current] { color: var(--ink); }
.admin-page .header-right { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 16px; margin-left: auto; }
.admin-page #accountName { max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; font-weight: 500; }
.admin-page .header-right .text-button { min-height: 36px; color: var(--muted); font-size: 13px; }
.admin-page .header-right .text-button:hover { color: var(--green); }
.icon-button { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; padding: 10px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); color: var(--muted); }
.icon-button:hover { background: var(--green-soft); }
.navigation-toggle, .navigation-close { display: none; }
.navigation-backdrop { position: fixed; inset: 0; z-index: 35; border: 0; background: rgb(15 23 42 / 40%); }
.admin-main { display: flex; flex: 1; flex-direction: column; width: calc(100% - var(--sidebar-width)); max-width: 1560px; min-width: 0; margin: 0 0 0 var(--sidebar-width); padding: 8px 28px 48px; }
.admin-filing { margin-top: auto; padding: 24px 0 0; }
.admin-page .filing-link { color: var(--muted); }
.admin-main:focus { outline: none; }
.admin-main :is(h1, h2) { margin: 0; font-size: 24px; font-weight: 700; line-height: 1.4; letter-spacing: -.5px; }
.admin-settings { padding: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; overflow: visible; }
.admin-page :is(.dialog-description, .dialog-footnote) { color: var(--muted); font-size: 14px; line-height: 1.8; }
.admin-settings .dialog-description { margin: 6px 0 24px; }
.admin-settings .dialog-footnote { font-size: 12px; }
.users-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.users-heading .dialog-description { margin-bottom: 0; }
.users-heading > .button { flex-shrink: 0; }
.admin-page .button { min-height: 44px; padding: 10px 16px; border-color: #dce1e8; border-radius: 12px; color: var(--ink); font-size: 14px; font-weight: 500; box-shadow: none; }
.admin-page .button:not(:disabled):hover { background: #f0f2f5; }
.admin-page .button-primary { background: var(--green); color: white; border-color: var(--green); }
.admin-page .button-primary:not(:disabled):hover { background: var(--green-dark); }
.admin-page .text-button { min-height: 36px; font-size: 13px; }
.admin-page .text-button:hover { color: var(--green-dark); }
.admin-page :is(.text-button.danger, .provider-actions .danger) { color: #c43b45; }
.users-table { width: 100%; border-spacing: 0; margin-top: 24px; overflow: hidden; border: 1px solid var(--line); border-radius: 24px; background: var(--panel); box-shadow: 0 6px 28px rgb(27 42 65 / 4%); font-size: 14px; }
.users-table th { background: #fafbfc; color: var(--muted); font-size: 12px; font-weight: 500; text-align: left; white-space: nowrap; }
.users-table th, .users-table td { padding: 18px 16px; border-bottom: 1px solid var(--line); }
.users-table tbody tr:last-child td { border-bottom: 0; }
.users-table tbody tr:hover { background: #fafbfc; }
.users-table td:first-child { overflow-wrap: anywhere; }
.users-table strong { font-weight: 600; }
.users-table small { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; }
.user-status { display: inline-flex; align-items: center; min-height: 26px; padding: 3px 10px; border-radius: 100px; background: #ecfdf3; color: #067647; font-size: 12px; white-space: nowrap; }
.user-status.disabled { background: #fff1f2; color: #c43b45; }
.user-actions .text-button { min-height: 44px; margin-right: 14px; }
.quota-form { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 8px; }
.admin-page .quota-form input[type=number] { width: 88px; min-height: 40px; padding: 8px 10px; font-size: 14px; }
.quota-form button { min-height: 40px; white-space: nowrap; }
.users-pagination { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 20px; color: var(--muted); font-size: 13px; }
.users-pagination > div { display: flex; gap: 8px; }
.admin-page .provider-form { min-width: 0; }
.admin-settings > .provider-form, .admin-settings .ai-layout { margin-top: 24px; padding: 24px; border: 1px solid var(--line); border-radius: 24px; background: var(--panel); box-shadow: 0 6px 28px rgb(27 42 65 / 4%); }
.admin-settings > .provider-form { max-width: 840px; }
.admin-settings .ai-layout { display: grid; grid-template-columns: minmax(190px, 240px) minmax(0, 1fr); gap: 24px; }
.admin-settings .provider-sidebar { padding-right: 24px; border-right: 1px solid var(--line); }
.admin-settings .provider-sidebar > .button { width: 100%; }
.admin-page .form-field { gap: 8px; margin-bottom: 20px; color: var(--ink); font-size: 14px; font-weight: 500; }
.admin-page .settings-pair { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; }
.admin-page :is(input:not([type=checkbox], [type=range], [type=file]), select) { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid #dce1e8; border-radius: 12px; background: var(--panel); color: var(--ink); font-size: 14px !important; font-weight: 400; box-shadow: 0 1px 2px rgb(16 24 40 / 3%); }
.admin-page input::placeholder { color: #8a94a3; }
.admin-page .form-field small { color: var(--muted); font-size: 12px; line-height: 1.7; }
.admin-page .check-line { min-height: 36px; gap: 10px; margin: 0 0 20px; color: var(--muted); font-size: 13px; }
.admin-page input[type=checkbox] { width: 16px; height: 16px; flex-shrink: 0; accent-color: var(--green); }
.admin-page .provider-card { padding: 14px; border-radius: 12px; background: var(--panel); }
.admin-page .provider-card.current { border-color: #a3d5f8; background: var(--green-soft); }
.admin-page .provider-card strong { font-size: 14px; }
.admin-page .provider-card > span { color: var(--muted); font-size: 12px; }
.admin-page .provider-card .text-button { font-size: 12px; }
.admin-page .active-label { align-self: center; color: var(--green); font-size: 12px; }
.admin-page .provider-actions { gap: 10px; margin-top: 24px; }
.admin-page .provider-feedback, .admin-page :is(#accountFeedback, #storageFeedback) { color: var(--green); font-size: 14px; line-height: 1.8; overflow-wrap: anywhere; }
.admin-page .provider-feedback.error { color: #c43b45; }
.admin-page .advanced-settings { margin-top: 8px; color: var(--muted); font-size: 13px; }
.admin-page .advanced-settings summary { min-height: 44px; padding: 10px 0; }
.access-panel { width: 100%; max-width: 440px; margin: 64px auto 24px; padding: 32px; border-color: var(--line); box-shadow: 0 6px 28px rgb(27 42 65 / 4%); }
.access-panel > p { margin: 8px 0 24px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.access-panel .form-field { margin-top: 20px; }
.access-panel form > .button { width: 100%; margin-top: 8px; }
.admin-page .dialog { width: 520px; max-width: calc(100vw - 32px); max-height: calc(100dvh - 32px); padding: 28px; border-color: var(--line); border-radius: 24px; background: var(--panel); box-shadow: 0 24px 80px rgb(16 24 40 / 16%); }
.admin-page .dialog::backdrop { background: rgb(15 23 42 / 40%); backdrop-filter: blur(3px); }
.admin-page .dialog h2 { font-size: 20px; overflow-wrap: anywhere; }
.admin-page .dialog > p { color: var(--muted); font-size: 14px; line-height: 1.8; }
.admin-page .dialog hr { margin: 24px 0; border: 0; border-top: 1px solid var(--line); }
.admin-page .compact-dialog .provider-actions .button { width: auto; }
.admin-page .toast { max-width: calc(100vw - 32px); background: #1d2939; color: white; font-size: 14px; }
.admin-page .toast.error { background: #b42332; }

@media (min-width: 1280px) {
  .admin-page { --sidebar-width: 320px; }
}
@media (max-width: 1023px) {
  .admin-sidebar { width: min(288px, calc(100vw - 48px)); visibility: hidden; transform: translateX(-100%); }
  .navigation-open { overflow: hidden; }
  .navigation-open .admin-sidebar { visibility: visible; transform: translateX(0); }
  .sidebar-brand { min-height: 84px; padding: 20px 16px; }
  .navigation-close { display: inline-flex; margin-left: auto; border: 0; }
  .navigation-toggle:not([hidden]) { display: inline-flex; flex-shrink: 0; }
  .admin-header { position: sticky; top: 0; z-index: 20; min-height: 76px; margin-left: 0; padding: 12px 20px; border-bottom: 1px solid var(--line); background: rgb(245 246 248 / 96%); }
  .admin-main { width: 100%; margin-left: 0; padding: 24px 20px 40px; }
}
@media (max-width: 700px), (max-width: 980px) and (max-height: 500px) {
  .admin-header { flex-wrap: wrap; gap: 8px 12px; padding: 12px 16px; }
  .admin-breadcrumb { flex: 1; gap: 8px; }
  .admin-page .header-right { flex-wrap: nowrap; width: 100%; gap: 16px; margin-left: 0; }
  .admin-page .header-right #accountName { margin-right: auto; max-width: 120px; }
  .admin-page .header-right .text-button { min-height: 44px; }
  .admin-page .header-right:has(#logoutButton[hidden]) { display: none; }
  .admin-main { padding: 24px 16px 40px; }
  .admin-main :is(h1, h2) { font-size: 22px; }
  .users-heading { gap: 16px; flex-wrap: wrap; }
  .users-heading > div { flex: 1 1 220px; }
  .users-table, .users-table tbody { display: block; }
  .users-table { border-radius: 20px; }
  .users-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .users-table tr { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; padding: 20px; border-bottom: 1px solid var(--line); }
  .users-table tr:last-child { border-bottom: 0; }
  .users-table td { min-width: 0; padding: 0; border: 0; }
  .users-table td:first-child, .users-table .user-actions { grid-column: 1 / -1; }
  .users-table td[data-label]::before { display: block; margin-bottom: 8px; color: var(--muted); font-size: 12px; content: attr(data-label); }
  .users-pagination { align-items: flex-start; flex-direction: column; }
  .admin-settings > .provider-form, .admin-settings .ai-layout { padding: 20px; border-radius: 20px; }
  .admin-settings .ai-layout { grid-template-columns: minmax(0, 1fr); }
  .admin-settings .provider-sidebar { padding-right: 0; padding-bottom: 20px; border-right: 0; border-bottom: 1px solid var(--line); }
  .admin-settings .provider-list { grid-template-columns: minmax(0, 1fr); max-height: none; }
  .admin-page .settings-pair { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .admin-page :is(input:not([type=checkbox], [type=range], [type=file]), select) { font-size: 16px !important; }
  .admin-page .quota-form input { width: 88px; }
  .admin-page .provider-actions { align-items: stretch; flex-direction: column; }
  .admin-page .provider-actions > .button { width: 100%; }
  .admin-page .provider-actions .danger { margin-left: 0; justify-content: center; min-height: 44px; }
  .admin-page .compact-dialog .provider-actions .button { width: 100%; }
  .access-panel { margin-top: 24px; padding: 24px; }
  .admin-page .dialog { max-width: calc(100vw - 24px); max-height: calc(100dvh - 24px); padding: 20px; border-radius: 20px; }
}