:root {
  --archive-control-size: 34px;
  --archive-toolbar-size: 56px;
  --archive-context-size: 44px;
  --archive-tree-size: 196px;
  --archive-tree-compact-size: 176px;
  --archive-row-size: 44px;
  --archive-head-row-size: 38px;
  --archive-table-min-size: 840px;
  --archive-file-columns: 48px minmax(320px, 1fr) 120px 132px 128px;
  --archive-dialog-size: 420px;
  --archive-shell-offset: 144px;
  --archive-workspace-offset: 244px;
}

.archive-management-shell {
  min-width: 0;
  min-height: calc(100dvh - var(--archive-shell-offset));
  overflow: hidden;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.archive-commandbar,
.archive-contextbar,
.archive-main-head,
.archive-file-panel > header,
.archive-settings-dialog header,
.archive-settings-dialog footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.archive-commandbar {
  min-height: var(--archive-toolbar-size);
  padding: 0 var(--space-4);
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}

.archive-tabs,
.archive-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.archive-tabs button,
.archive-actions button,
.archive-settings-dialog button {
  min-height: var(--archive-control-size);
  padding: 0 var(--space-3);
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease, transform 120ms ease;
}

.archive-tabs button {
  position: relative;
  color: var(--muted);
  background: transparent;
  border-color: transparent;
  white-space: nowrap;
}

.archive-tabs button.is-active {
  color: var(--teal);
}

.archive-tabs button.is-active::after {
  position: absolute;
  right: var(--space-2);
  bottom: -1px;
  left: var(--space-2);
  height: 2px;
  background: var(--teal);
  border-radius: 2px 2px 0 0;
  content: "";
}

.archive-tabs button:hover,
.archive-tabs button:focus-visible,
.archive-actions button:hover,
.archive-actions button:focus-visible,
.archive-settings-dialog button:hover,
.archive-settings-dialog button:focus-visible {
  border-color: var(--teal-border);
  outline: none;
}

.archive-tabs button:active,
.archive-actions button:active,
.archive-settings-dialog button:active {
  transform: translateY(1px);
}

.archive-actions button {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
}

.archive-actions svg {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  fill: currentColor;
}

.archive-actions .archive-primary-action,
.archive-settings-dialog .archive-primary-action {
  color: var(--on-accent);
  background: var(--teal);
  border-color: var(--teal);
}

.archive-scope-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  min-height: var(--archive-control-size);
  padding: 2px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.archive-scope-switch button {
  min-height: 28px;
  padding: 0 var(--space-2);
  color: var(--muted);
  background: transparent;
  border: 0;
}

.archive-scope-switch button.is-active {
  color: var(--on-accent);
  background: var(--teal);
}

.archive-contextbar {
  min-height: var(--archive-context-size);
  padding: 0 var(--space-4);
  font-size: 13px;
  border-bottom: 1px solid var(--line);
}

.archive-contextbar strong {
  max-width: 38%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.archive-contextbar > span {
  color: var(--muted);
  font-weight: 700;
}

.archive-contextbar p {
  margin: 0 0 0 auto;
  color: var(--teal);
  font-weight: 700;
  text-align: right;
}

.archive-contextbar p[data-state="empty"] {
  color: var(--muted);
}

.archive-contextbar p[data-state="error"] {
  color: var(--rose);
}

.archive-workspace {
  display: grid;
  grid-template-columns: var(--archive-tree-size) minmax(0, 1fr);
  min-width: 0;
  min-height: calc(100dvh - var(--archive-workspace-offset));
}

.archive-tree {
  min-width: 0;
  padding: var(--space-3) var(--space-2);
  background: var(--surface-2);
  border-right: 1px solid var(--line);
}

.archive-year-tree {
  display: grid;
  gap: var(--space-1);
}

.archive-year-group {
  display: grid;
  gap: var(--space-1);
}

.archive-tree-year-row {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  width: 100%;
  min-height: 30px;
  padding: 0 var(--space-2);
  color: var(--ink);
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
}

.archive-tree-year-row svg {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  fill: currentColor;
  transition: transform 180ms ease;
}

.archive-tree-year-row[aria-expanded="true"] svg {
  transform: rotate(90deg);
}

.archive-tree-year-row:hover,
.archive-tree-year-row:focus-visible,
.archive-year-months button:hover,
.archive-year-months button:focus-visible {
  color: var(--teal);
  border-color: var(--teal-border);
  outline: none;
}

.archive-tree-year-row.is-active {
  color: var(--on-accent);
  background: var(--teal);
  border-color: var(--teal);
}

.archive-year-months {
  display: grid;
  gap: var(--space-1);
  padding: 0 0 var(--space-1) var(--space-5);
}

.archive-year-months button {
  min-height: 26px;
  padding: 0 var(--space-2);
  color: var(--ink);
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
}

.archive-year-months button.is-active {
  color: var(--on-accent);
  background: var(--teal);
  border-color: var(--teal);
}

.archive-main {
  min-width: 0;
  padding: var(--space-4);
}

.archive-main-head {
  min-height: 48px;
  margin-bottom: var(--space-3);
}

.archive-main-head .eyebrow,
.archive-settings-dialog .eyebrow {
  margin: 0 0 var(--space-1);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.archive-main-head h2,
.archive-settings-dialog h2 {
  margin: 0;
  font-size: 18px;
  line-height: 1.35;
}

.archive-main-head > span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.archive-file-panel {
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
}

.archive-file-panel > header {
  min-height: 46px;
  padding: 0 var(--space-3);
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.archive-file-panel > header strong {
  font-size: 14px;
}

.archive-file-panel > header span {
  color: var(--muted);
  font-size: 12px;
}

.archive-table-scroll {
  max-width: 100%;
  overflow-x: auto;
}

.archive-file-table {
  min-width: var(--archive-table-min-size);
}

.archive-file-row {
  display: grid;
  grid-template-columns: var(--archive-file-columns);
  min-height: var(--archive-row-size);
  border-bottom: 1px solid var(--line-subtle);
}

.archive-file-row:last-child {
  border-bottom: 0;
}

.archive-file-row > span {
  display: flex;
  align-items: center;
  min-width: 0;
  padding: var(--space-2) var(--space-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
}

.archive-file-head {
  min-height: var(--archive-head-row-size);
  color: var(--ink);
  background: var(--surface-table);
  font-weight: 800;
}

.archive-file-name,
.archive-folder-name {
  gap: var(--space-2);
  font-weight: 800;
}

.archive-file-name svg,
.archive-folder-name svg {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  fill: var(--teal);
}

.archive-folder-name button {
  min-width: 0;
  padding: 0;
  overflow: hidden;
  color: inherit;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
  background: transparent;
  border: 0;
  font: inherit;
  font-weight: 800;
}

.archive-folder-name button:hover,
.archive-folder-name button:focus-visible {
  color: var(--teal);
  outline: none;
}

.archive-folder-row {
  background: var(--surface-accent);
}

.archive-check-column {
  justify-content: center;
  padding-right: var(--space-2);
  padding-left: var(--space-2);
}

.archive-check-column input {
  width: 16px;
  height: 16px;
  accent-color: var(--teal);
}

.archive-file-actions {
  gap: var(--space-2);
}

.archive-file-actions button {
  min-height: 30px;
  padding: 0 var(--space-3);
  color: var(--teal);
  background: var(--surface);
  border: 1px solid var(--teal-border);
  border-radius: 4px;
  font: inherit;
  font-size: 12px;
  font-weight: 800;
}

.archive-file-actions button + button {
  color: var(--ink);
  border-color: var(--line);
}

.archive-file-actions button:hover,
.archive-file-actions button:focus-visible {
  color: var(--on-accent);
  background: var(--teal);
  border-color: var(--teal);
  outline: none;
}

.archive-file-actions button:disabled {
  color: var(--muted);
  background: var(--surface-2);
  border-color: var(--line);
  cursor: not-allowed;
}

.archive-empty-row {
  display: grid;
  place-items: center;
  min-height: 112px;
  color: var(--muted);
  font-size: 13px;
}

.archive-settings-dialog {
  width: min(var(--archive-dialog-size), calc(100vw - var(--space-6) * 2));
  padding: 0;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.archive-settings-dialog::backdrop {
  background: rgba(15, 23, 42, 0.38);
}

.archive-settings-dialog form {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4);
}

.archive-settings-dialog header {
  align-items: flex-start;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--line);
}

.archive-settings-dialog header button {
  width: 34px;
  padding: 0;
  font-size: 20px;
}

.archive-settings-dialog label:not(.archive-check-line) {
  display: grid;
  gap: var(--space-2);
  font-size: 13px;
  font-weight: 700;
}

.archive-settings-dialog select {
  min-height: 36px;
  padding: 0 var(--space-3);
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  font: inherit;
}

.archive-check-line {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13px;
}

.archive-settings-dialog footer {
  justify-content: flex-end;
  padding-top: var(--space-3);
  border-top: 1px solid var(--line);
}

@media (max-width: 1080px) {
  body:has(.workspace[data-view="archive"]) .app-shell {
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  }

  body:has(.workspace[data-view="archive"]) .right-ai-dock {
    width: 0;
    padding: 0;
    border-left: 0;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
  }

  body:has(.workspace[data-view="archive"]) .ai-cat-launcher {
    display: grid;
  }

  .archive-commandbar {
    align-items: center;
    flex-wrap: wrap;
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .archive-tabs {
    flex: 1 1 360px;
    min-width: 0;
    overflow-x: auto;
  }

  .archive-actions {
    max-width: 100%;
    overflow-x: auto;
  }

  .archive-workspace {
    grid-template-columns: var(--archive-tree-compact-size) minmax(0, 1fr);
  }

  .archive-actions > button span {
    display: none;
  }
}

@media (max-width: 760px) {
  body:has(.workspace[data-view="archive"]) .app-shell {
    grid-template-columns: minmax(0, 1fr);
  }

  body:has(.workspace[data-view="archive"]) .ai-cat-launcher {
    display: none;
  }

  body:has(.workspace[data-view="archive"]) .workspace {
    max-width: 100%;
    overflow: hidden;
  }

  body:has(.workspace[data-view="archive"]) .topbar {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-3);
  }

  body:has(.workspace[data-view="archive"]) .top-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    width: 100%;
    gap: var(--space-2);
  }

  body:has(.workspace[data-view="archive"]) .search-box {
    grid-column: 1 / -1;
    grid-template-columns: 18px minmax(0, 1fr);
    width: 100%;
    min-width: 0;
  }

  .archive-management-shell {
    min-height: calc(100dvh - var(--space-4));
  }

  .archive-commandbar,
  .archive-contextbar {
    align-items: flex-start;
    flex-wrap: wrap;
    padding: var(--space-3);
  }

.archive-tabs,
.archive-actions {
    width: 100%;
    overflow-x: auto;
  }

  .archive-actions > button span {
    display: inline;
  }

  .archive-contextbar strong {
    max-width: 100%;
    white-space: normal;
  }

  .archive-contextbar > span {
    flex: 1 0 100%;
    min-width: 0;
    white-space: normal;
  }

  .archive-contextbar p {
    flex: 1 0 100%;
    margin: 0;
    text-align: left;
  }

  .archive-workspace {
    grid-template-columns: minmax(0, 1fr);
    min-height: 0;
  }

  .archive-tree {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .archive-year-tree {
    display: flex;
    overflow-x: auto;
  }

  .archive-year-group {
    flex: 0 0 156px;
  }

  .archive-main {
    padding: var(--space-3);
  }

  .archive-main-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .archive-main-head > span {
    white-space: normal;
  }

  .archive-file-panel > header span {
    display: none;
  }
}

@media (max-width: 420px) {
  .archive-scope-switch {
    flex: 0 0 auto;
  }
}