.oak-theme {
  --bee-bg: #fdfcf9; --bee-surface: #fffefb; --bee-section: #fcfbf8;
  --bee-ink: #212120; --bee-muted: #737270; --bee-line: #e8e5de;
  --bee-accent: #c69d48; --bee-accent-strong: #80621f; --bee-selected: #f6eedc;
  --bee-control-border: #8b867c; --bee-success: #276749; --bee-success-bg: #eaf4ee;
  --bee-warning: #8a5a12; --bee-warning-bg: #fff3da; --bee-danger: #a33232;
  --bee-danger-bg: #fbeded; --bee-info: #2d5b83; --bee-info-bg: #edf3f9;
  --bee-hover: #464440; --bee-font: Geist, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  --bee-mono: "SFMono-Regular", Consolas, monospace; --bee-radius-control: 2px;
  --bee-radius-panel: 4px; --bee-space-1: 4px; --bee-space-2: 8px; --bee-space-3: 12px;
  --bee-space-4: 16px; --bee-space-6: 24px; --bee-space-8: 32px; --bee-space-12: 48px;
  --bee-space-16: 64px; --bee-motion-fast: 180ms;
  margin: 0; background: var(--bee-bg); color: var(--bee-ink); font: 14px/1.65 var(--bee-font);
  font-variant-numeric: tabular-nums;
}
.oak-theme *, .oak-theme *::before, .oak-theme *::after { box-sizing: border-box; }
.oak-theme [hidden] { display: none !important; }
.oak-theme a { color: inherit; text-decoration: none; }
.oak-theme button, .oak-theme select { font: inherit; color: inherit; }
.oak-theme button, .oak-theme summary, .oak-theme select { cursor: pointer; }
.oak-theme :focus-visible { outline: 2px solid var(--bee-accent-strong); outline-offset: 3px; }
.oak-theme h1, .oak-theme h2, .oak-theme h3, .oak-theme p { margin-top: 0; }
.oak-theme h1 { font-size: 32px; font-weight: 500; line-height: 1.4; margin-bottom: var(--bee-space-3); }
.oak-theme h2 { font-size: 22px; font-weight: 500; line-height: 1.45; }
.oak-theme h3 { font-size: 18px; font-weight: 500; }
.oak-theme .muted, .oak-theme .caption { color: var(--bee-muted); }
.oak-theme .caption { font-size: 12px; line-height: 1.65; }
.oak-theme .mono { font-family: var(--bee-mono); overflow-wrap: anywhere; }
.oak-theme .eyebrow { font: 12px/1.5 var(--bee-mono); letter-spacing: .09em; color: var(--bee-muted); margin-bottom: var(--bee-space-4); }
.oak-theme .icon-library { position: absolute; width: 0; height: 0; overflow: hidden; }
.oak-theme .icon { width: 20px; height: 20px; stroke: currentColor; stroke-width: 1.5; fill: none; flex-shrink: 0; }
.oak-theme .icon.large { width: 28px; height: 28px; }
.oak-theme .skip-link { position: fixed; left: 16px; top: -100px; padding: 12px 24px; z-index: 50; background: var(--bee-ink); color: white; }
.oak-theme .skip-link:focus { top: 8px; }
.oak-theme .topbar { min-height: 64px; display: flex; align-items: center; justify-content: space-between; padding: 8px 32px; gap: 16px; border-bottom: 1px solid var(--bee-line); background: var(--bee-bg); }
.oak-theme .brand, .oak-theme .header-actions { display: flex; align-items: center; gap: 12px; }
.oak-theme .brand-mark { font: 0/0 var(--bee-font); width: 22px; height: 22px; border: 1.5px solid var(--bee-accent-strong); border-radius: 0 50% 50%; transform: rotate(-45deg); }
.oak-theme .wordmark { font-size: 23px; letter-spacing: .14em; font-weight: 600; }
.oak-theme .brand-divider { height: 20px; width: 1px; background: var(--bee-line); margin: 0 8px; }
.oak-theme .brand-caption { color: var(--bee-muted); font-size: 12px; }
.oak-theme .environment { border-left: 1px solid var(--bee-line); padding-left: 20px; color: var(--bee-muted); font-size: 12px; }
.oak-theme .language { display: flex; align-items: center; gap: 2px; color: var(--bee-muted); }
.oak-theme .language button { min-width: 44px; min-height: 44px; background: none; border: 0; }
.oak-theme .language button[aria-pressed="true"] { color: var(--bee-ink); text-decoration: underline; text-decoration-color: var(--bee-accent); text-underline-offset: 8px; text-decoration-thickness: 2px; }
.oak-theme .preview-banner { padding: 8px 32px; min-height: 36px; background: var(--bee-selected); color: var(--bee-accent-strong); font-size: 12px; display: flex; align-items: center; gap: 10px; }
.oak-theme .small-marker { width: 6px; height: 6px; background: var(--bee-accent-strong); flex-shrink: 0; }
.oak-theme .button { min-height: 44px; padding: 10px 16px; display: inline-flex; gap: 16px; align-items: center; justify-content: center; border: 1px solid var(--bee-control-border); border-radius: var(--bee-radius-control); line-height: 1.5; transition: background var(--bee-motion-fast), border-color var(--bee-motion-fast); }
.oak-theme .button.primary { background: var(--bee-ink); color: white; border-color: var(--bee-ink); }
.oak-theme .button.primary:hover:not(:disabled) { background: var(--bee-hover); }
.oak-theme .button.secondary { background: transparent; }
.oak-theme .button.secondary:hover:not(:disabled) { background: var(--bee-selected); }
.oak-theme button:disabled { cursor: not-allowed; opacity: .5; }
.oak-theme .text-link { display: inline-flex; min-height: 44px; align-items: center; color: var(--bee-accent-strong); }
.oak-theme .text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.oak-theme .login-layout { display: grid; grid-template-columns: 1.15fr 1fr; gap: 64px 80px; max-width: 1360px; margin: auto; padding: 88px 64px 24px; min-height: calc(100vh - 100px); align-items: center; }
.oak-theme .login-story h1 { font-size: clamp(36px, 3.5vw, 52px); line-height: 1.35; margin: 28px 0 24px; }
.oak-theme .story-copy { font-size: 16px; line-height: 1.85; max-width: 470px; color: var(--bee-muted); }
.oak-theme .source-map { border-top: 1px solid var(--bee-line); margin-top: 48px; padding-top: 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px 24px; }
.oak-theme .source-map > div { display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px; }
.oak-theme .source-map .mono { color: var(--bee-accent-strong); font-size: 12px; }
.oak-theme .source-map strong { font-weight: 500; }
.oak-theme .source-map span:last-child { color: var(--bee-muted); font-size: 12px; }
.oak-theme .map-target { grid-column: 1/-1; padding-top: 8px; padding-bottom: 16px; }
.oak-theme .gold-line { width: 42px; height: 1px; background: var(--bee-accent); align-self: center; }
.oak-theme .login-panel { background: var(--bee-surface); border: 1px solid var(--bee-line); border-top: 2px solid var(--bee-accent); padding: 32px; border-radius: var(--bee-radius-panel); min-width: 0; }
.oak-theme .panel-heading { display: flex; justify-content: space-between; align-items: start; margin-bottom: 12px; }
.oak-theme .panel-heading .icon { color: var(--bee-accent-strong); }
.oak-theme .login-panel h2 { margin-bottom: 12px; font-size: 26px; }
.oak-theme .login-actions { display: grid; gap: 12px; margin: 32px 0 24px; }
.oak-theme .login-actions .caption { margin: 0; }
.oak-theme .login-note { display: flex; gap: 12px; border-top: 1px solid var(--bee-line); padding-top: 20px; color: var(--bee-muted); }
.oak-theme .login-note p { font-size: 12px; }
.oak-theme summary { min-height: 44px; padding: 10px 0; font-size: 14px; }
.oak-theme details p { color: var(--bee-muted); margin-top: 8px; }
.oak-theme .preview-controls { border-top: 1px dashed var(--bee-control-border); margin-top: 16px; padding-top: 16px; display: grid; gap: 8px; }
.oak-theme select { min-height: 44px; background: var(--bee-surface); border: 1px solid var(--bee-control-border); border-radius: 2px; padding: 8px 12px; width: 100%; }
.oak-theme .login-footer { grid-column: 1/-1; display: flex; gap: 24px; justify-content: space-between; border-top: 1px solid var(--bee-line); padding-top: 20px; color: var(--bee-muted); font-size: 12px; }
.oak-theme .status-box { padding: 16px; border-left: 2px solid var(--bee-info); background: var(--bee-info-bg); color: var(--bee-info); margin-top: 16px; overflow-wrap: anywhere; }
.oak-theme .status-box p { margin: 6px 0 0; font-size: 14px; }
.oak-theme .status-box[data-tone="warning"] { background: var(--bee-warning-bg); border-color: var(--bee-warning); color: var(--bee-warning); }
.oak-theme .status-box[data-tone="danger"] { background: var(--bee-danger-bg); border-color: var(--bee-danger); color: var(--bee-danger); }
.oak-theme .status-box button { margin-top: 12px; }
.oak-theme .workspace { display: grid; grid-template-columns: 224px minmax(0, 1fr); min-height: calc(100vh - 100px); }
.oak-theme .sidebar { padding: 32px 20px; border-right: 1px solid var(--bee-line); display: flex; flex-direction: column; background: var(--bee-section); }
.oak-theme .nav-list { display: grid; gap: 8px; }
.oak-theme .nav-list a { display: flex; gap: 12px; align-items: center; min-height: 44px; padding: 10px 12px; border-left: 2px solid transparent; }
.oak-theme .nav-list a:hover { background: var(--bee-selected); }
.oak-theme .nav-list a[aria-current="page"] { border-color: var(--bee-accent-strong); background: var(--bee-selected); }
.oak-theme .sidebar-note { margin-top: auto; padding-top: 64px; font-size: 12px; color: var(--bee-muted); }
.oak-theme .workspace-content { padding: 32px; min-width: 0; max-width: 1440px; width: 100%; margin: 0 auto; }
.oak-theme .breadcrumb { color: var(--bee-muted); font-size: 12px; margin-bottom: 32px; }
.oak-theme .page-heading { display: flex; justify-content: space-between; gap: 24px; align-items: center; margin-bottom: 32px; }
.oak-theme .page-heading p:last-child { margin-bottom: 0; }
.oak-theme .page-heading .button { flex-shrink: 0; }
.oak-theme .summary-strip { display: grid; grid-template-columns: 1fr 1fr 1fr; border-top: 1px solid var(--bee-line); border-bottom: 1px solid var(--bee-line); margin-bottom: 40px; padding: 24px 0; }
.oak-theme .summary-strip > div { display: grid; gap: 8px; padding: 0 24px; border-right: 1px solid var(--bee-line); }
.oak-theme .summary-strip > div:first-child { padding-left: 0; }
.oak-theme .summary-strip > div:last-child { border: 0; }
.oak-theme .summary-strip span, .oak-theme .summary-strip small { color: var(--bee-muted); font-size: 12px; }
.oak-theme .summary-strip strong { font-weight: 500; font-size: 24px; line-height: 1.4; }
.oak-theme .section-heading { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 20px; }
.oak-theme .section-heading h2 { font-size: 20px; margin: 0; }
.oak-theme .source-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.oak-theme .source-card { background: var(--bee-surface); border: 1px solid var(--bee-line); border-radius: var(--bee-radius-panel); padding: 24px; min-width: 0; }
.oak-theme .card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; }
.oak-theme .source-card p:not(.eyebrow) { color: var(--bee-muted); max-width: 440px; }
.oak-theme .source-card .eyebrow { margin-bottom: 8px; }
.oak-theme .badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 8px; font-size: 12px; color: var(--bee-muted); border: 1px solid var(--bee-line); background: var(--bee-bg); white-space: nowrap; }
.oak-theme .badge::before { content: ''; width: 4px; height: 4px; background: currentColor; }
.oak-theme .badge.success { color: var(--bee-success); background: var(--bee-success-bg); }
.oak-theme .empty-state { margin-top: 32px; padding: 24px 0; border-top: 1px solid var(--bee-line); display: flex; align-items: center; gap: 20px; }
.oak-theme .empty-state h2 { font-size: 16px; margin-bottom: 8px; }
.oak-theme .empty-state p { margin: 0; color: var(--bee-muted); font-size: 12px; }
.oak-theme .empty-state .badge { margin-left: auto; }
.oak-theme .empty-icon { color: var(--bee-muted); }
.oak-theme .source-list { display: grid; gap: 24px; }
.oak-theme .source-list article { border: 1px solid var(--bee-line); padding: 24px; background: var(--bee-surface); }
.oak-theme .source-row { display: flex; align-items: center; gap: 20px; margin-bottom: 16px; }
.oak-theme .source-row h2 { font-size: 18px; margin-bottom: 4px; }
.oak-theme .source-row p { margin: 0; color: var(--bee-muted); }
.oak-theme .source-row .badge { margin-left: auto; }
.oak-theme .source-list details { border-top: 1px solid var(--bee-line); }
.oak-theme .boundary-note { display: flex; gap: 12px; color: var(--bee-muted); margin-top: 24px; }
.oak-theme .account-panel { max-width: 800px; border: 1px solid var(--bee-line); background: var(--bee-surface); padding: 32px; }
.oak-theme dl { margin: 24px 0; }
.oak-theme dl > div { display: grid; grid-template-columns: 140px minmax(0, 1fr); gap: 24px; padding: 16px 0; border-bottom: 1px solid var(--bee-line); }
.oak-theme dt { color: var(--bee-muted); }
.oak-theme dd { margin: 0; overflow-wrap: anywhere; }
.oak-theme .workspace-footer { display: flex; justify-content: space-between; gap: 16px; font-size: 12px; color: var(--bee-muted); padding-top: 48px; }
.oak-theme .loading-state { padding: 48px 0; color: var(--bee-muted); }
.oak-theme .icon-button { width: 44px; height: 44px; border: 1px solid var(--bee-control-border); background: none; font-size: 22px; }
.oak-theme #menu-button { display: none; }
.oak-theme dialog { padding: 24px; margin: 0; height: 100dvh; max-height: 100dvh; width: min(320px, calc(100vw - 32px)); border: 0; background: var(--bee-bg); color: var(--bee-ink); }
.oak-theme dialog::backdrop { background: rgb(33 33 32 / .35); }
.oak-theme .notice { padding: 24px; }
.oak-theme .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.oak-theme .nas-workspace { margin-bottom: 32px; padding: 24px; border: 1px solid var(--bee-line); border-top: 2px solid var(--bee-accent); background: var(--bee-surface); min-width: 0; }
.oak-theme .nas-demo-note { padding: 16px; margin-bottom: 24px; background: var(--bee-selected); color: var(--bee-accent-strong); font-size: 12px; }
.oak-theme .nas-demo-note select { width: auto; min-width: 140px; margin-left: 12px; }
.oak-theme .nas-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 24px 0; }
.oak-theme .nas-field { min-width: 0; }
.oak-theme .nas-field label { display: block; margin-bottom: 8px; }
.oak-theme .nas-field input { width: 100%; min-width: 0; min-height: 44px; border: 1px solid var(--bee-control-border); border-radius: 2px; padding: 8px 12px; font: inherit; background: var(--bee-surface); color: var(--bee-ink); }
.oak-theme .nas-field input[readonly] { background: var(--bee-section); color: var(--bee-muted); }
.oak-theme .nas-field input[aria-invalid="true"] { border-color: var(--bee-danger); }
.oak-theme .nas-password-control { display: flex; gap: 8px; }
.oak-theme .nas-password-control button { flex-shrink: 0; }
.oak-theme .field-error { font-size: 12px; color: var(--bee-danger); margin: 8px 0 0; }
.oak-theme .nas-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.oak-theme .nas-actions p { margin: 0; flex: 1; min-width: 180px; }
.oak-theme .nas-bound-bar, .oak-theme .nas-toolbar, .oak-theme .nas-pagination { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin: 24px 0; }
.oak-theme .nas-bound-bar p { margin: 0; }
.oak-theme .nas-breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; min-width: 0; flex: 1; }
.oak-theme .nas-breadcrumbs button, .oak-theme .nas-directory { border: 0; background: transparent; color: var(--bee-accent-strong); text-align: left; min-height: 44px; padding: 8px; overflow-wrap: anywhere; max-width: 100%; }
.oak-theme .nas-breadcrumbs button:hover, .oak-theme .nas-directory:hover { text-decoration: underline; }
.oak-theme .nas-breadcrumbs span { overflow-wrap: anywhere; }
.oak-theme .nas-table-wrap { width: 100%; overflow-x: auto; }
.oak-theme .nas-table-wrap table { border-collapse: collapse; width: 100%; table-layout: fixed; }
.oak-theme .nas-table-wrap th { text-align: left; background: #f7f5ef; font-weight: 500; height: 44px; }
.oak-theme .nas-table-wrap td { min-height: 48px; height: 48px; border-bottom: 1px solid var(--bee-line); }
.oak-theme .nas-table-wrap th, .oak-theme .nas-table-wrap td { padding: 8px 12px; overflow-wrap: anywhere; }
.oak-theme .nas-table-wrap th:last-child { width: 120px; }
.oak-theme .nas-table-wrap tr:hover td { background: var(--bee-selected); }
.oak-theme .nas-file-name { display: inline-block; padding: 8px; }
.oak-theme .nas-empty { padding: 32px 16px; border-block: 1px solid var(--bee-line); color: var(--bee-muted); }
.oak-theme .danger-text { color: var(--bee-danger); border-color: var(--bee-danger); }
.oak-theme .nas-confirm-dialog { width: min(480px, calc(100vw - 32px)); height: auto; max-height: calc(100dvh - 32px); margin: auto; border: 1px solid var(--bee-line); border-radius: 4px; }
.oak-theme .nas-confirm-dialog .nas-actions { justify-content: flex-end; }
@media (max-width: 767px) {
  .oak-theme .nas-workspace { padding: 16px; }
  .oak-theme .nas-form-grid { grid-template-columns: 1fr; }
  .oak-theme .nas-field input { font-size: 16px; }
  .oak-theme .nas-toolbar { align-items: stretch; flex-direction: column; }
  .oak-theme .nas-table-wrap th:last-child { width: 86px; }
  .oak-theme .nas-pagination .nas-actions { width: 100%; justify-content: space-between; }
}
@media (min-width: 768px) and (max-width: 1199px) {
  .oak-theme .login-layout { padding: 56px 35px 24px; gap: 48px 32px; }
  .oak-theme .login-panel { padding: 24px; }
  .oak-theme .workspace-content { padding: 24px; }
  .oak-theme .page-heading { align-items: start; flex-direction: column; }
  .oak-theme .summary-strip > div { padding-right: 16px; padding-left: 16px; }
}
@media (max-width: 767px) {
  .oak-theme .topbar { padding: 8px 16px; gap: 8px; }
  .oak-theme .brand-caption, .oak-theme .brand-divider, .oak-theme .environment { display: none; }
  .oak-theme .header-actions { gap: 8px; }
  .oak-theme .preview-banner { padding: 8px 16px; }
  .oak-theme .login-layout { grid-template-columns: 1fr; padding: 32px 16px 24px; gap: 32px; }
  .oak-theme .login-story h1 { font-size: 36px; margin: 20px 0; }
  .oak-theme .source-map { margin-top: 24px; }
  .oak-theme .login-panel { padding: 24px; }
  .oak-theme .login-footer { flex-wrap: wrap; gap: 8px 24px; }
  .oak-theme .login-footer .mono { display: none; }
  .oak-theme .workspace { grid-template-columns: 1fr; }
  .oak-theme .sidebar { display: none; }
  .oak-theme #menu-button { display: inline-block; }
  .oak-theme .workspace-content { padding: 24px 16px; }
  .oak-theme .page-heading { flex-direction: column; align-items: start; }
  .oak-theme h1 { font-size: 28px; }
  .oak-theme .source-cards { grid-template-columns: 1fr; gap: 16px; }
  .oak-theme .summary-strip { grid-template-columns: 1fr; gap: 16px; }
  .oak-theme .summary-strip > div { padding: 0; border: 0; grid-template-columns: 1fr 1fr; align-items: baseline; }
  .oak-theme .summary-strip strong { font-size: 20px; text-align: right; }
  .oak-theme .summary-strip small { grid-column: 1/-1; }
  .oak-theme .empty-state { flex-wrap: wrap; }
  .oak-theme .empty-state .badge { margin-left: 0; }
  .oak-theme .section-heading { align-items: start; flex-wrap: wrap; }
  .oak-theme .source-row { flex-wrap: wrap; gap: 12px; }
  .oak-theme .account-panel { padding: 20px; }
  .oak-theme dl > div { grid-template-columns: 1fr; gap: 8px; }
  .oak-theme .workspace-footer { flex-direction: column; gap: 8px; }
  .oak-theme select { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) { .oak-theme *, .oak-theme *::before, .oak-theme *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }