* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

.admin-shell-body {
  --admin-bg: #f5f5f2;
  --admin-surface: #ffffff;
  --admin-surface-muted: #fafaf8;
  --admin-border: #deded8;
  --admin-border-strong: #c7c7bf;
  --admin-text: #22241f;
  --admin-muted: #72766d;
  --admin-muted-strong: #53574f;
  --admin-primary: #24352f;
  --admin-primary-hover: #16241f;
  --admin-primary-soft: #edf2ee;
  --admin-create-button: #dbe6df;
  --admin-create-button-hover: #cfddd5;
  --admin-create-button-border: #c5d5cc;
  --admin-danger: #9f2d20;
  --admin-danger-soft: #fff1ef;
  --admin-warning: #93601f;
  --admin-warning-soft: #fff7e8;
  --admin-success: #2c604a;
  --admin-success-soft: #edf6f1;
  --admin-radius-sm: 8px;
  --admin-radius-md: 12px;
  --admin-radius-lg: 16px;
  --admin-shadow: 0 1px 2px rgba(34, 36, 31, 0.04);
  --muted: var(--admin-muted);
  --muted-strong: var(--admin-muted-strong);
  margin: 0;
  min-height: 100vh;
  background: var(--admin-bg);
  color: var(--admin-text);
  font-family: "IBM Plex Sans", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
}

.admin-shell-body a {
  color: inherit;
  text-decoration: none;
}

.admin-shell-body button,
.admin-shell-body input,
.admin-shell-body select,
.admin-shell-body textarea {
  font: inherit;
}

.admin-shell-body button:disabled,
.admin-shell-body .admin-button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.admin-shell-body input,
.admin-shell-body select,
.admin-shell-body textarea {
  width: 100%;
  min-height: 40px;
  padding: 9px 11px;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-sm);
  background: #ffffff;
  color: var(--admin-text);
  outline: none;
}

.admin-shell-body textarea {
  min-height: 104px;
  line-height: 1.7;
  resize: vertical;
}

.admin-shell-body input:focus,
.admin-shell-body select:focus,
.admin-shell-body textarea:focus {
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(36, 53, 47, 0.08);
}

.admin-shell-body input[readonly] {
  background: var(--admin-surface-muted);
  color: var(--admin-muted);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--admin-muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.panel-subtitle,
.admin-section-note,
.admin-table-caption,
.section-note {
  margin: 8px 0 0;
  max-width: 760px;
  color: var(--admin-muted);
  line-height: 1.7;
}

.admin-body {
  background: var(--admin-bg);
}

.admin-button,
.primary-button,
.secondary-button,
.modal-close-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: var(--admin-radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 650;
  line-height: 1;
  transition:
    background 120ms ease,
    border-color 120ms ease,
    color 120ms ease;
}

.primary-button {
  background: var(--admin-primary);
  color: #ffffff;
}

.primary-button:hover {
  background: var(--admin-primary-hover);
}

.admin-button--create {
  border-color: var(--admin-create-button-border);
  background: var(--admin-create-button);
  color: var(--admin-primary);
}

.admin-button--create:hover {
  border-color: var(--admin-create-button-border);
  background: var(--admin-create-button-hover);
  color: var(--admin-primary-hover);
}

.secondary-button,
.modal-close-button {
  border-color: var(--admin-border);
  background: #ffffff;
  color: var(--admin-text);
}

.secondary-button:hover,
.modal-close-button:hover {
  border-color: var(--admin-border-strong);
  background: var(--admin-surface-muted);
}

.admin-auth-shell {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  background: var(--admin-bg);
}

.admin-auth-card {
  width: min(420px, 100%);
  padding: 30px;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-lg);
  background: var(--admin-surface);
  box-shadow: var(--admin-shadow);
}

.admin-auth-card h1 {
  margin: 0;
  font-size: 30px;
  line-height: 1.18;
  letter-spacing: -0.03em;
}

.admin-auth-desc {
  margin: 12px 0 0;
  color: var(--admin-muted);
  line-height: 1.7;
}

.admin-auth-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 22px;
}

.admin-auth-form label,
.admin-filter-grid-compact label,
.admin-form-grid-3 label,
.admin-location-meta-grid label,
.listing-form-grid label,
.admin-location-search {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-auth-form span,
.admin-filter-grid-compact span,
.admin-form-grid-3 span,
.admin-location-meta-grid span,
.listing-form-grid span,
.admin-location-search > span {
  color: var(--admin-muted-strong);
  font-size: 13px;
  font-weight: 650;
}

.admin-auth-check {
  flex-direction: row !important;
  align-items: center;
  gap: 10px !important;
  color: var(--admin-muted-strong);
}

.admin-auth-check input {
  width: 16px;
  min-height: 16px;
  accent-color: var(--admin-primary);
}

.admin-auth-submit {
  width: 100%;
  margin-top: 2px;
}

.admin-layout {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr);
  min-height: 100vh;
}

.admin-sidebar {
  padding: 22px 16px;
  border-right: 1px solid var(--admin-border);
  background: #ffffff;
}

.admin-sidebar-shell {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.admin-brand h1 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.admin-sidebar-note {
  margin: 10px 0 0;
  color: var(--admin-muted);
  line-height: 1.7;
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.admin-nav a {
  padding: 10px 12px;
  border-radius: var(--admin-radius-sm);
  color: var(--admin-muted-strong);
  font-weight: 650;
}

.admin-nav a:hover,
.admin-nav a.active {
  background: var(--admin-primary-soft);
  color: var(--admin-primary);
}

.admin-main {
  min-width: 0;
  padding: 22px;
}

.admin-main-shell,
.admin-shell-root {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.admin-topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--admin-border);
}

.admin-topbar h2 {
  margin: 0;
  font-size: clamp(24px, 2.4vw, 34px);
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.admin-top-actions,
.admin-page-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.admin-user-badge {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  max-width: 240px;
  padding: 0 12px;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-sm);
  background: #ffffff;
  color: var(--admin-muted-strong);
  font-weight: 650;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.admin-stat-card,
.admin-page-card,
.admin-filter-shell,
.admin-form-shell,
.admin-panel,
.state-panel,
.admin-modal-dialog,
.admin-quick-link,
.admin-log-card,
.admin-location-summary,
.apartment-cover-preview-shell {
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-md);
  background: var(--admin-surface);
  box-shadow: var(--admin-shadow);
}

.admin-stat-card {
  padding: 16px;
}

.admin-stat-card strong {
  display: block;
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.admin-stat-card span {
  display: block;
  margin-top: 6px;
  color: var(--admin-muted);
}

.admin-split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 16px;
}

.admin-quick-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.admin-page-card,
.admin-filter-shell,
.admin-form-shell,
.admin-panel {
  padding: 18px;
}

.admin-page-card h3,
.admin-form-shell h3,
.admin-modal-head h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.admin-page-card p,
.admin-log-card p,
.admin-location-summary p,
.admin-quick-link p {
  color: var(--admin-muted);
  line-height: 1.7;
}

.panel-head,
.admin-form-head,
.apartment-cover-preview-head,
.admin-modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.panel-head {
  margin-bottom: 14px;
}

.admin-quick-link {
  display: block;
  padding: 16px;
}

.admin-quick-link strong {
  display: block;
  font-size: 16px;
}

.admin-quick-link p {
  margin: 8px 0 0;
}

.admin-filter-shell,
.admin-form-shell,
.listing-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.admin-filter-grid-compact {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.admin-filter-actions-inline,
.admin-form-actions-row,
.listing-form-actions,
.admin-dialog-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.admin-data-table-shell {
  overflow-x: auto;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-md);
  background: #ffffff;
}

.admin-data-table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
}

.admin-data-table th,
.admin-data-table td {
  padding: 12px;
  border-bottom: 1px solid var(--admin-border);
  text-align: left;
  vertical-align: top;
}

.admin-data-table tbody tr:last-child td {
  border-bottom: none;
}

.admin-data-table th {
  background: var(--admin-surface-muted);
  color: var(--admin-muted);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.admin-data-table tbody tr:hover {
  background: #fbfbf8;
}

.admin-cell-title {
  display: block;
  color: var(--admin-text);
  font-weight: 750;
  line-height: 1.5;
}

.admin-cell-meta {
  display: block;
  margin-top: 4px;
  color: var(--admin-muted);
  font-size: 12px;
  line-height: 1.55;
}

.table-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.action-link {
  padding: 0;
  border: none;
  background: transparent;
  color: var(--admin-primary);
  cursor: pointer;
  font-weight: 750;
}

.action-link:hover {
  color: var(--admin-primary-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.status-pill,
.admin-inline-tag,
.admin-inline-summary,
.admin-log-meta span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 9px;
  border: 1px solid var(--admin-border);
  border-radius: 999px;
  background: var(--admin-surface-muted);
  color: var(--admin-muted-strong);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
}

.status-pill.live {
  border-color: #b9d7c8;
  background: var(--admin-success-soft);
  color: var(--admin-success);
}

.status-pill.pending {
  border-color: #ecd2a5;
  background: var(--admin-warning-soft);
  color: var(--admin-warning);
}

.status-pill.offline {
  background: #f0f0ed;
  color: var(--admin-muted-strong);
}

.admin-inline-tags,
.admin-log-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.admin-inline-summary {
  max-width: 100%;
  border-radius: var(--admin-radius-sm);
  white-space: normal;
}

.admin-empty-inline {
  color: var(--admin-muted);
}

.admin-pagination-shell {
  margin-top: 12px;
}

.admin-pagination-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0 0;
  border-top: 1px solid var(--admin-border);
}

.admin-pagination-meta {
  color: var(--admin-muted);
  font-size: 13px;
}

.admin-pagination-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-pagination-size {
  min-width: 112px;
}

.admin-form-grid-3,
.admin-location-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.listing-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.admin-form-span-2,
.listing-form-span-2 {
  grid-column: span 2;
}

.admin-form-span-3 {
  grid-column: span 3;
}

.form-message {
  min-height: 22px;
  margin: 0;
  color: var(--admin-muted);
  line-height: 1.6;
}

.form-message.is-error,
.state-panel--error {
  color: var(--admin-danger);
}

.form-message.is-success {
  color: var(--admin-success);
}

.state-panel {
  padding: 18px;
  color: var(--admin-muted);
  line-height: 1.7;
}

.state-panel--error {
  border-color: #f0b8b0;
  background: var(--admin-danger-soft);
}

.admin-log-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.admin-log-card {
  padding: 16px;
}

.admin-log-card strong {
  display: block;
  font-size: 15px;
}

.admin-log-card p {
  margin: 8px 0 0;
}

.admin-location-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.admin-map-shell {
  height: clamp(420px, 58vh, 680px);
  overflow: hidden;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-md);
  background: #ececea;
}

.admin-map-canvas {
  width: 100%;
  height: 100%;
}

.admin-location-search-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.admin-location-search-region {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.admin-location-search-hint,
.admin-location-search-empty {
  color: var(--admin-muted);
  font-size: 13px;
  line-height: 1.6;
}

.admin-location-search-empty.is-error {
  color: var(--admin-danger);
}

.admin-location-search-results {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-md);
  background: var(--admin-surface-muted);
}

.admin-location-search-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-sm);
  background: #ffffff;
  color: var(--admin-text);
  text-align: left;
  cursor: pointer;
}

.admin-location-search-item:hover {
  border-color: var(--admin-border-strong);
}

.admin-location-search-item span {
  color: var(--admin-muted);
  font-size: 12px;
  line-height: 1.5;
}

.admin-location-summary {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px;
}

.admin-location-summary strong {
  font-size: 16px;
}

.listing-upload-block,
.apartment-cover-preview-empty {
  padding: 14px;
  border: 1px dashed var(--admin-border-strong);
  border-radius: var(--admin-radius-md);
  background: var(--admin-surface-muted);
}

.listing-upload-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.listing-upload-actions input[type="file"] {
  min-height: auto;
  padding: 0;
  border: none;
  background: transparent;
}

.apartment-cover-preview-shell {
  padding: 14px;
}

.apartment-cover-preview-head a {
  color: var(--admin-primary);
  font-size: 13px;
  font-weight: 700;
}

.apartment-cover-preview-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  color: var(--admin-muted);
  text-align: center;
  line-height: 1.7;
}

.apartment-cover-preview-image {
  display: block;
  width: 100%;
  max-height: 260px;
  object-fit: cover;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-md);
  background: var(--admin-surface-muted);
}

.admin-dialog-message {
  margin: 0;
  color: var(--admin-muted-strong);
  font-size: 15px;
  line-height: 1.8;
  white-space: pre-wrap;
}

.admin-dialog-body {
  margin-top: 16px;
}

.admin-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
}

.admin-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(34, 36, 31, 0.36);
}

.admin-modal-dialog {
  position: relative;
  width: min(880px, 100%);
  max-height: calc(100vh - 36px);
  overflow-y: auto;
  padding: 20px;
}

.admin-modal-dialog--compact {
  width: min(540px, 100%);
}

@media (max-width: 1180px) {
  .admin-stats,
  .admin-quick-grid,
  .admin-filter-grid-compact,
  .admin-form-grid-3,
  .admin-location-meta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-split-grid {
    grid-template-columns: 1fr;
  }

  .admin-form-span-3 {
    grid-column: span 2;
  }
}

@media (max-width: 860px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--admin-border);
  }

  .admin-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-main {
    padding: 16px;
  }

  .admin-topbar,
  .panel-head,
  .admin-form-head,
  .admin-pagination-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .admin-top-actions,
  .admin-page-actions,
  .admin-pagination-actions,
  .admin-filter-actions-inline,
  .admin-form-actions-row,
  .listing-form-actions,
  .admin-dialog-actions {
    justify-content: stretch;
  }

  .admin-top-actions > *,
  .admin-page-actions > *,
  .admin-pagination-actions > *,
  .admin-filter-actions-inline > *,
  .admin-form-actions-row > *,
  .listing-form-actions > *,
  .admin-dialog-actions > * {
    width: 100%;
  }

  .admin-stats,
  .admin-quick-grid,
  .admin-filter-grid-compact,
  .admin-form-grid-3,
  .admin-location-meta-grid,
  .listing-form-grid,
  .admin-log-list,
  .admin-location-search-region {
    grid-template-columns: 1fr;
  }

  .admin-form-span-2,
  .admin-form-span-3,
  .listing-form-span-2,
  .admin-location-meta-grid .admin-form-span-2 {
    grid-column: span 1;
  }

  .admin-location-search-bar {
    grid-template-columns: 1fr;
  }

  .admin-map-shell {
    height: 420px;
  }
}

@media (max-width: 560px) {
  .admin-auth-card,
  .admin-page-card,
  .admin-filter-shell,
  .admin-form-shell,
  .admin-panel,
  .admin-modal-dialog {
    padding: 16px;
  }

  .admin-nav {
    grid-template-columns: 1fr;
  }
}