[v-cloak] { display: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
body { margin: 0; background: var(--zh-bg-subtle); color: var(--zh-text); }
* { box-sizing: border-box; }
.app-shell { max-width: 1440px; margin: auto; padding: var(--zh-space-8); }
.topbar { background: var(--zh-bg); border-bottom: 1px solid var(--zh-border); }
.topbar-inner { max-width: 1440px; margin: auto; padding: var(--zh-space-4) var(--zh-space-8); display: flex; align-items: center; justify-content: space-between; gap: var(--zh-space-4); }
.brand { display: flex; align-items: center; gap: var(--zh-space-3); }
.brand-mark { display: grid; place-items: center; width: 36px; height: 36px; border-radius: var(--zh-radius-lg); background: var(--zh-color-primary-subtle); color: var(--zh-color-primary-text); font: 700 20px var(--zh-font-mono); }
.brand-name { font-size: 16px; font-weight: 600; }
.brand-note, .muted, .zh-hint { color: var(--zh-text-secondary); }
.brand-note { font-size: 12px; }
.header-actions, .toolbar-actions, .row-actions, .inline-group { display: flex; flex-wrap: wrap; align-items: center; gap: var(--zh-space-2); }
.header-actions select { width: auto; max-width: 140px; }
.page-intro { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--zh-space-4); margin-bottom: var(--zh-space-6); }
.page-intro h1 { font-size: 28px; line-height: 1.3; letter-spacing: -.04em; margin: 0 0 var(--zh-space-2); }
.page-intro p { margin: 0; color: var(--zh-text-secondary); }
.library-count { color: var(--zh-color-primary-text); font: 600 32px var(--zh-font-mono); }
.library-count small { color: var(--zh-text-secondary); font: 14px var(--zh-font-sans); }
.filter-panel { padding: var(--zh-space-5); background: var(--zh-bg); border: 1px solid var(--zh-border); border-radius: var(--zh-radius-lg); margin-bottom: var(--zh-space-6); }
.search-row { display: flex; align-items: center; gap: var(--zh-space-3); }
.search-box { position: relative; flex: 1; }
.search-box input { width: 100%; padding-left: 36px; }
.search-box > i { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--zh-text-tertiary); }
.tag-filters { display: flex; flex-wrap: wrap; gap: var(--zh-space-2); margin-top: var(--zh-space-4); max-height: 160px; overflow-y: auto; }
.filter-chip { border: 1px solid var(--zh-border); background: var(--zh-bg); color: var(--zh-text-secondary); border-radius: var(--zh-radius-md); padding: 5px 10px; cursor: pointer; font: inherit; display: inline-flex; gap: var(--zh-space-2); align-items: center; }
.filter-chip[aria-pressed="true"] { border-color: var(--zh-color-primary); color: var(--zh-color-primary-text); background: var(--zh-color-primary-subtle); }
.filter-chip:hover { border-color: var(--zh-color-primary); }
.filter-chip small { font-variant-numeric: tabular-nums; opacity: .8; }
.results-toolbar { display: flex; flex-wrap: wrap; gap: var(--zh-space-3); align-items: center; justify-content: space-between; margin-bottom: var(--zh-space-3); }
.toolbar-actions select { width: auto; }
.record-table { background: var(--zh-bg); }
.results-summary { color: var(--zh-text-secondary); }
.results-summary strong { color: var(--zh-text); font-variant-numeric: tabular-nums; }
.zh-table { table-layout: fixed; }
.zh-table th, .zh-table td { vertical-align: top; }
.col-number { width: 64px; font-variant-numeric: tabular-nums; }
.col-tags { width: 18%; }
.col-date { width: 160px; }
.col-actions { width: 196px; }
.prompt-preview { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; overflow: hidden; overflow-wrap: anywhere; white-space: pre-wrap; line-height: 1.7; margin: 0; }
.preview-link { display: block; text-align: left; width: 100%; font: inherit; color: inherit; background: none; padding: 0; border: 0; cursor: pointer; }
.preview-link:hover { color: var(--zh-color-primary-text); }
.record-id { font: 11px var(--zh-font-mono); color: var(--zh-text-tertiary); margin-top: var(--zh-space-2); min-height: 18px; overflow-wrap: anywhere; }
.record-tags { display: flex; flex-wrap: wrap; gap: var(--zh-space-1); min-height: 24px; }
.record-tags .zh-tag { max-width: 100%; white-space: normal; overflow-wrap: anywhere; }
.record-date { font-variant-numeric: tabular-nums; white-space: nowrap; }
.row-actions { flex-wrap: nowrap; gap: var(--zh-space-1); }
.row-actions .zh-btn { padding-inline: 8px; }
.zh-btn.danger-action { color: var(--zh-text-danger); }
.record-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--zh-space-4); }
.record-card { display: flex; flex-direction: column; min-width: 0; padding: var(--zh-space-5); background: var(--zh-bg); border: 1px solid var(--zh-border); border-radius: var(--zh-radius-lg); }
.card-head { display: flex; gap: var(--zh-space-3); align-items: flex-start; margin-bottom: var(--zh-space-4); }
.record-number { color: var(--zh-text-tertiary); font: 12px var(--zh-font-mono); }
.record-card .preview-link { flex: 1; display: flex; flex-direction: column; align-items: stretch; justify-content: flex-start; }
.record-card .prompt-preview { -webkit-line-clamp: 7; }
.record-card footer { margin-top: var(--zh-space-5); padding-top: var(--zh-space-3); border-top: 1px solid var(--zh-border); display: flex; flex-wrap: wrap; gap: var(--zh-space-2); align-items: flex-end; justify-content: space-between; }
.record-grid.fixed .record-card { min-height: 320px; }
.record-grid.masonry { display: block; column-count: 3; column-gap: var(--zh-space-4); }
.masonry .record-card { break-inside: avoid; margin-bottom: var(--zh-space-4); }
.masonry .prompt-preview { display: block; max-height: 700px; overflow: auto; }
.empty-state { text-align: center; padding: var(--zh-space-12) var(--zh-space-5); background: var(--zh-bg); border: 1px dashed var(--zh-border-strong); border-radius: var(--zh-radius-lg); }
.empty-state h2 { margin: 0 0 var(--zh-space-2); font-size: 20px; }
.empty-state p { margin: 0 0 var(--zh-space-5); color: var(--zh-text-secondary); }
.app-footer { display: flex; justify-content: space-between; gap: var(--zh-space-3); margin-top: var(--zh-space-6); color: var(--zh-text-tertiary); font-size: 12px; }
.app-dialog { width: min(760px, calc(100vw - 32px)); max-width: 760px; max-height: calc(100dvh - 32px); }
.app-dialog > header { display: flex; justify-content: space-between; align-items: center; gap: var(--zh-space-3); }
.app-dialog header h2 { margin: 0; font-size: 18px; }
.app-dialog .zh-field { margin-bottom: var(--zh-space-5); }
.app-dialog textarea { width: 100%; min-height: 240px; resize: vertical; line-height: 1.7; }
.app-dialog .zh-input { width: 100%; }
.app-dialog footer { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: var(--zh-space-2); }
.app-dialog form > footer { padding: var(--zh-space-4) var(--zh-space-6); border-top: 1px solid var(--zh-border); }
.app-dialog footer .muted { margin-right: auto; align-self: center; }
.detail-content { white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.9; font: inherit; margin: var(--zh-space-5) 0 0; }
.form-error { padding: var(--zh-space-3); border: 1px solid var(--zh-danger-bg); background: var(--zh-danger-bg); color: var(--zh-text-danger); border-radius: var(--zh-radius-md); margin-bottom: var(--zh-space-4); }
.login-page { min-height: 100dvh; display: grid; place-items: center; padding: var(--zh-space-6); background-image: radial-gradient(ellipse at top left, var(--zh-color-primary-subtle), transparent 60%); }
.login-card { width: min(100%, 420px); padding: var(--zh-space-8); background: var(--zh-bg); border: 1px solid var(--zh-border); border-radius: var(--zh-radius-lg); box-shadow: var(--zh-shadow-md); }
.login-card h1 { font-size: 26px; margin: var(--zh-space-6) 0 var(--zh-space-2); }
.login-card p { margin: 0 0 var(--zh-space-6); color: var(--zh-text-secondary); }
.login-card input, .login-card button[type="submit"] { width: 100%; }
.login-card .zh-field { margin-bottom: var(--zh-space-5); }
.login-note { margin-top: var(--zh-space-6); font-size: 12px; color: var(--zh-text-tertiary); }
button:focus-visible, a:focus-visible { outline: 2px solid var(--zh-color-primary); outline-offset: 3px; }
.skip-link { position: fixed; left: 16px; top: -100px; z-index: 1500; padding: 12px; background: var(--zh-bg); }
.skip-link:focus { top: 12px; }
@media (min-width: 768px) {
  .record-table .preview-link { display: flex; align-items: flex-start; }
  .record-table .preview-link, .record-table .record-tags, .record-table .row-actions, .record-table .cell-primary { min-height: 72px; }
  .record-table .row-actions { align-items: flex-start; }
  .record-table .record-tags { align-content: flex-start; }
}
@media (max-width: 1100px) {
  .record-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .record-grid.masonry { column-count: 2; }
  .col-tags { width: 16%; } .col-date { width: 140px; } .col-actions { width: 180px; }
}
@media (max-width: 767px) {
  .app-shell { padding: var(--zh-space-5) var(--zh-space-4); }
  .topbar-inner { padding: var(--zh-space-3) var(--zh-space-4); align-items: flex-start; }
  .brand-note { display: none; } .brand-name { font-size: 14px; } .brand-mark { width: 32px; height: 32px; }
  .header-actions { justify-content: flex-end; gap: 4px; } .header-actions .zh-select { max-width: 112px; }
  .page-intro h1 { font-size: 23px; } .page-intro p { font-size: 13px; } .library-count { font-size: 26px; white-space: nowrap; }
  .filter-panel { padding: var(--zh-space-4); } .search-row { flex-wrap: wrap; } .search-box { flex-basis: 100%; }
  .tag-filters { max-height: 140px; } .filter-chip { min-height: 36px; }
  .results-toolbar { align-items: flex-start; } .toolbar-actions { width: 100%; } .toolbar-actions .zh-select { flex: 1; min-width: 0; } .toolbar-actions select { width: 100%; }
  .record-grid { grid-template-columns: minmax(0, 1fr); } .record-grid.masonry { column-count: 1; }
  .record-table .zh-table { table-layout: auto; }
  .record-table .zh-table td { width: auto; min-width: 0; overflow-wrap: anywhere; }
  .record-table .zh-table td > * { min-width: 0; }
  .record-table .zh-table td.col-number { color: var(--zh-color-primary-text); }
  .record-table .preview-link { flex: 1; }
  .record-table .row-actions { flex-wrap: wrap; } .record-table .row-actions .zh-btn { min-height: 40px; }
  .app-footer { flex-wrap: wrap; } .app-dialog textarea { min-height: 190px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }
@media (max-width: 380px) { .topbar-inner { flex-wrap: wrap; } .header-actions { width: 100%; justify-content: space-between; } }