.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  background: rgba(15, 23, 42, 0.34);
  padding: 20px;
}

.modal-backdrop[hidden] {
  display: none;
}

.app-notice {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  max-width: min(360px, calc(100vw - 44px));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.18);
  color: var(--text);
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.45;
}

.app-notice[hidden] {
  display: none;
}

.app-notice.warn {
  border-color: var(--amber-soft);
  background: #fffaf0;
}

.app-notice.success {
  border-color: var(--accent-soft);
  background: #f4fbf8;
}

.auth-panel {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 24px;
  background: linear-gradient(180deg, rgba(23, 33, 31, 0.72), rgba(23, 33, 31, 0.58));
}

.auth-panel[hidden] {
  display: none;
}

.auth-card {
  width: min(420px, 100%);
  display: grid;
  gap: 16px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.22);
  padding: 26px;
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.auth-card h2 {
  margin: 2px 0 0;
  font-size: 20px;
}

.auth-copy {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.auth-card label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
}

.auth-status {
  min-height: 18px;
  margin: 0;
  color: var(--red);
  font-size: 13px;
}

.modal {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 16px;
  width: min(620px, 100%);
  max-height: calc(100vh - 40px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 18px;
  box-shadow: 0 24px 80px rgba(15, 23, 42, 0.22);
}

.modal-head,
.modal-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.modal h2,
.modal p {
  margin: 0;
}

.modal h2 {
  font-size: 20px;
}

.modal p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.delete-modal,
.unsaved-modal {
  width: min(460px, 100%);
}

.delete-summary,
.unsaved-summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border-radius: var(--radius);
  padding: 13px;
}

.delete-summary {
  border: 1px solid var(--red-soft);
  background: #fff7f6;
}

.unsaved-summary {
  border: 1px solid var(--amber-soft);
  background: #fffaf0;
}

.delete-summary [data-icon] {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--red-soft);
  color: var(--red);
}

.delete-summary strong,
.unsaved-summary strong {
  display: block;
  margin-bottom: 3px;
  color: var(--text);
  font-size: 14px;
}

.import-preview-body {
  display: grid;
  gap: 13px;
  min-height: 0;
  overflow-y: auto;
  padding-right: 2px;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.preview-grid.compact strong {
  font-size: 16px;
}

.preview-grid span {
  display: grid;
  gap: 3px;
  border: 1px solid #dbe4ea;
  border-radius: var(--radius);
  background: var(--panel);
  padding: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.preview-grid strong {
  color: var(--text);
  font-size: 20px;
  line-height: 1;
}

.import-safety-note {
  border-left: 3px solid var(--accent);
  padding-left: 10px;
}

.preview-list {
  display: grid;
  gap: 8px;
}

.preview-list div {
  display: grid;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
}

.preview-list span {
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 1320px) {
  .editor-column {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 1180px) {
  .app-shell {
    grid-template-columns: 240px minmax(0, 1fr);
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .overview-head {
    flex-direction: column;
  }

  .overview-stats {
    width: 100%;
    min-width: 0;
  }

}

@media (max-width: 840px) {
  [data-tooltip]::before,
  [data-tooltip]::after,
  [data-tooltip]:hover::before,
  [data-tooltip]:hover::after,
  [data-tooltip]:focus-visible::before,
  [data-tooltip]:focus-visible::after {
    display: none;
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    max-height: none;
    overflow: visible;
  }

  .topbar,
  .topbar-actions,
  .editor-head,
  .editor-control-row,
  .placeholder-panel,
  .modal-head,
  .modal-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .topbar-actions {
    justify-content: stretch;
  }

  .topbar-actions > *,
  .search,
  .export-group {
    width: 100%;
  }

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

  .editor-tabs {
    width: 100%;
    gap: 10px;
    overflow-x: auto;
  }

  .editor-actions {
    justify-content: flex-end;
  }

  .search {
    min-width: 0;
  }

  .overview-panel,
  .editor {
    padding: 18px;
  }

  .editor-toolbar {
    margin: -18px -18px 0;
    padding: 16px 18px;
  }

  .overview-stats,
  .card-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .overview-list {
    grid-template-columns: 1fr;
  }

  .meta-grid {
    grid-template-columns: 1fr;
  }

  .audit-breakdown {
    grid-template-columns: 1fr;
  }

  .audit-panel {
    grid-template-columns: 1fr;
  }

  .audit-panel .panel-head,
  .audit-panel .audit-details,
  .audit-panel .audit-findings {
    grid-column: auto;
  }

  .audit-details {
    grid-template-columns: 1fr;
  }

  .auth-card,
  .modal {
    width: 100%;
  }

  .prompt-body-head,
  .body-head-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .body-view-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

}