@media (max-width: 1439px) {
  :root {
    --page-gutter-inline: 20px;
    --page-gutter-top: 22px;
    --page-gutter-bottom: 34px;
    --section-gap: 20px;
  }
  .global { padding-inline: 18px; }
  .workspace-filter-bar.is-dense { grid-template-columns:repeat(3,minmax(0,1fr)); }
  .workspace-filter-bar.is-dense .workspace-filter-search { grid-column:1 / -1; }
  .workspace-filter-bar.is-dense > button { width:100%; }
}

@media(max-width:1023px) {
  :is(.workspace-list-search,.compact-search,.files-search,.files-mobile-search,.files-share-search,.files-google-drive-search,.gw-chat-list-search,.gw-chat-message-search,.library-picker > header form) input:not([type="hidden"]) { font-size:max(16px,var(--text-md)); }
  .workspace-list-header.topbar { display:grid; grid-template-columns:minmax(0,1fr) auto; height:auto; padding:14px 16px; }
  .workspace-list-header > .module-title-row { grid-column:1; grid-row:1; }
  .workspace-list-header-tools { display:contents; }
  .workspace-list-primary-actions { grid-column:2; grid-row:1; margin:0; }
  .workspace-list-header-tools > :is(.workspace-list-tools,.mail-module-actions) { grid-column:1 / -1; grid-row:2; width:100%; max-width:none; }
  .workspace-list-header-tools .workspace-list-tools { justify-content:stretch; }
  .workspace-list-tools .workspace-list-search { width:100%; max-width:none; flex:1 1 auto; }
  .workspace-list-header .workspace-create-action { display:inline-flex; }
  .workspace-list-header .workspace-list-sort select { max-width:135px; }
}

.app-attachment-dialog[open] .app-attachment-body { overflow:hidden; }

@media (min-width: 1024px) {
  .workspace-list-header .workspace-create-action { display:none; }
  .workspace-list-header .toolbar:has(.workspace-create-action:only-child) { display:none; }
  .app-shell-full { min-height: calc(100vh - var(--header-height)); }
}

@media (max-width: 1023px) {
  :root { --header-height: 58px; }
  .global { grid-template-columns: max-content minmax(0, 1fr) auto; gap: 10px; padding-inline: 12px; }
  .global-user { display: none; }
  .global-navigation > nav a { padding-inline: 10px; font-size: var(--text-sm); }
  .workspace-filter-bar.is-dense { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .workspace-filter-bar.is-dense > button { grid-column:1 / -1; }
  .workspace-filter-bar.is-four { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .workspace-filter-bar.is-four .workspace-filter-search,
  .workspace-filter-bar.is-four > button { grid-column:1 / -1; }
  .workspace-filter-bar.is-search-only { grid-template-columns:minmax(0,1fr); }
  .workspace-filter-bar.is-search-only > button { grid-column:1; }
  .mail-admin-pair-grid { grid-template-columns:minmax(0,1fr); }
}

@media (max-width: 767px) {
  .workspace-list-header.topbar { min-height:0; grid-template-columns:minmax(0,1fr) auto; padding:10px 14px; }
  .workspace-list-header-tools > :is(.workspace-list-tools,.mail-module-actions) { display:none; }
  .workspace-list-header.is-search-open { grid-template-rows:auto auto; }
  .workspace-list-header.is-search-open .workspace-list-header-tools > :is(.workspace-list-tools,.mail-module-actions) { display:flex; grid-column:1 / -1; grid-row:2; }
  .workspace-list-header.is-search-open .workspace-list-search { width:100%; max-width:none; flex:1 1 auto; }
  .workspace-mobile-search-toggle { display:grid; }
  .workspace-list-primary-actions { gap:6px; }
  .workspace-list-header .workspace-create-action { min-width:40px; }
  .workspace-standard .mailbox-module-header { height:auto; min-height:0; padding:10px 14px; }
  .mailbox-module-header > .module-title-row { flex:1 1 100%; min-width:0; }
  .mailbox-module-header .mail-module-actions { flex:1 1 100%; max-width:none; margin:0; }
  .mailbox-module-header .mail-module-actions > .btn span { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
  .mailbox-module-header .mail-module-actions > .btn { width:40px; min-width:40px; padding:0; display:grid; place-items:center; }
  .mailbox-module-header .mail-module-actions { flex-wrap:nowrap; }
  .mailbox-module-header .mailbox-search { min-width:0; flex:1 1 180px; }
  .mailbox-module-header .mailbox-search input { font-size:16px; }
  .workspace-standard .mailbox-toolbar { padding-inline:16px; }
  .workspace-standard .mailbox-toolbar { min-height:44px; flex-wrap:nowrap; padding:5px 10px; gap:6px; }
  .mailbox-toolbar > .mailbox-category-filter { justify-content:flex-start; flex:1 1 auto; flex-basis:auto; }
  .mailbox-category-filter { flex-wrap:nowrap; gap:5px; overflow-x:auto; scrollbar-width:none; }
  .mailbox-category-filter .btn { min-height:34px; padding-inline:9px; }
  .mailbox-category-help { display:none; }
  .mailbox-list-heading { gap:5px; }
  .mailbox-list-heading > [aria-hidden],.mailbox-list-heading .mailbox-count { display:none; }
  .mailbox-module-header .workspace-list-primary-actions > .btn span { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
  .mailbox-module-header .workspace-list-primary-actions > .btn { width:40px; min-width:40px; padding:0; display:grid; place-items:center; }
  .workspace-list-header.topbar { row-gap:9px; padding-block:11px; }
  .workspace-list-header .page-subtitle { margin-top:2px; }
  .workspace-list-columns { padding-inline:18px; grid-template-columns:minmax(58px,.25fr) minmax(0,1fr) 82px; gap:8px; }
  .mailbox-message-item:has(.mailbox-select-control) { padding-inline-start:16px; }
  :root {
    --page-gutter-inline: 12px;
    --page-gutter-top: 16px;
    --page-gutter-bottom: 24px;
    --section-gap: 16px;
    --panel-padding-inline: 14px;
    --modal-viewport-inset: 16px;
    --modal-viewport-block-inset: 16px;
    --table-cell-padding-inline: 10px;
    --table-cell-padding-block: 10px;
  }
  .global-brand { font-size: var(--text-lg); }
  .access-scope-popover { position:fixed; top:auto; right:10px; bottom:max(10px,env(safe-area-inset-bottom)); left:10px; width:auto; max-height:min(72dvh,620px); border-radius:var(--radius-lg); }
  .access-scope-members { grid-template-columns:minmax(0,1fr); }
  .main { padding: 20px 12px 32px; }
  .workspace-filter-bar.is-dense { grid-template-columns:minmax(0,1fr); }
  .workspace-filter-bar.is-dense .workspace-filter-search,
  .workspace-filter-bar.is-dense > button { grid-column:1; }
  .workspace-filter-bar.is-four,
  .workspace-filter-bar.is-search-only { grid-template-columns:minmax(0,1fr); }
  .workspace-filter-bar.is-four .workspace-filter-search,
  .workspace-filter-bar.is-four > button,
  .workspace-filter-bar.is-search-only > button { grid-column:1; }
  .mail-readiness-grid { grid-template-columns:minmax(0,1fr); }
  /* Mobile attachment viewing owns the visual viewport. Desktop keeps the
     standard centered modal and expands only after the explicit command. */
  .app-attachment-dialog[open] {
    top:0 !important;
    left:0 !important;
    width:100vw !important;
    max-width:none !important;
    height:100dvh !important;
    max-height:none !important;
    margin:0 !important;
    transform:none !important;
    border:0 !important;
    border-radius:0 !important;
    box-shadow:none !important;
  }
  .app-attachment-dialog[open] .workspace-modal-head {
    min-height:0;
    grid-template-columns:minmax(0,1fr);
    grid-template-rows:auto auto;
    gap:8px;
    padding:max(10px,env(safe-area-inset-top)) 12px 10px;
  }
  .app-attachment-dialog[open] .workspace-modal-head > .workspace-modal-icon { display:none; }
  .app-attachment-dialog[open] .workspace-modal-head > div { min-width:0; }
  .app-attachment-dialog[open] .workspace-modal-head h2,
  .app-attachment-dialog[open] .workspace-modal-head p { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
  .app-attachment-dialog[open] .attachment-dialog-head-actions {
    width:100%;
    min-width:0;
    justify-content:flex-end;
    gap:5px;
  }
  .app-attachment-dialog[open] .attachment-pdf-mode-switch { margin-right:auto; }
  .app-attachment-dialog[open] .app-attachment-pdf-pages { padding:10px 0; }
  .app-attachment-dialog[open] .app-attachment-image-scroll { padding:0; }
}

@media (prefers-reduced-motion: reduce) {
  .global-navigation { transition: none; }
}

/* A desktop viewport can still contain a narrow list pane beside the detail pane. */
@container workspace-list-panel (max-width:720px) {
  .company-document-topbar .workspace-create-action { display:inline-flex !important; min-width:max-content; align-items:center; justify-content:center; white-space:nowrap; }
}
/* Shared attachment actions and Files picker containment, including installed PWA. */
:is(.attachment-library-save-all,.attachment-direct-actions,.collaboration-google-attachment-actions,.attachment-options-dialog) svg.app-icon { fill:none; stroke:currentColor; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; }
.attachment-options-trigger { display:none; }
.attachment-options-dialog .workspace-modal-body { display:grid; gap:8px; }
.attachment-options-dialog .workspace-modal-body { align-content:start; grid-auto-rows:min-content; }
.attachment-options-dialog .workspace-modal-head { display:flex; align-items:center; gap:12px; }
.attachment-options-dialog .workspace-modal-head > strong { flex:1; }
.attachment-options-dialog .workspace-modal-head > button { flex:0 0 auto; width:auto; }
.attachment-options-dialog .workspace-modal-body > button { justify-content:flex-start; min-height:48px; gap:12px; }
.attachment-options-dialog .workspace-modal-head strong { min-width:0; overflow-wrap:anywhere; }
.library-picker-list > .library-picker-file-row { min-width:0; display:grid; grid-template-columns:minmax(0,1fr) 44px; align-items:center; border:1px solid var(--border); border-radius:var(--radius); background:var(--surface); }
.library-picker-file-row > label { min-width:0; min-height:58px; padding:8px 12px; display:flex; align-items:center; gap:11px; }
.library-picker-file-row > button { width:44px; height:44px; border:0; background:transparent; color:var(--icon-muted); }
.library-picker-preview-select { min-height:44px; margin-left:auto; }
@media (max-width:767px) {
  .files-page .files-toolbar .files-search { display:none!important; }
  .library-picker .library-picker-layout { min-height:0; grid-template-columns:minmax(0,1fr); grid-template-rows:minmax(90px,30%) minmax(0,1fr); }
  .library-picker .library-picker-tree { max-height:none; }
  .document-attachment-row.attachment-row-with-download.has-attachment-options { grid-template-columns:minmax(0,1fr) 44px!important; }
  .document-attachment-row.has-attachment-options > :is(.attachment-direct-actions,.collaboration-google-attachment-actions,.attachment-download-action) { display:none!important; }
  .document-attachment-row.has-attachment-options > .attachment-preview-action .attachment-preview-icon { display:none; }
  .document-attachment-row > .attachment-options-trigger { display:grid; place-items:center; align-self:center; width:44px; height:44px; padding:0; border:0; background:transparent; color:var(--icon-muted); font-size:26px; }
  .workspace-modal.attachment-options-dialog[open] { inset:auto 0 0!important; margin:0!important; transform:none!important; width:100%!important; max-width:100%!important; height:auto!important; min-height:0!important; max-height:80dvh!important; border-radius:16px 16px 0 0; padding-bottom:env(safe-area-inset-bottom); }
}
/* Mail contact content only; the shared dialog owns its shell and scrolling. */
.mail-contact-toolbar,.mail-contact-controls { display:flex; flex-wrap:wrap; align-items:center; gap:8px; }
.mail-contact-toolbar { padding-bottom:16px; border-bottom:1px solid var(--border); }
.mail-contact-controls { margin:16px 0; }
.mail-contact-controls > input { flex:1 1 160px; min-width:0; }
.mail-contact-navigation { display:flex; align-items:center; gap:12px; padding-bottom:12px; }
.mail-contact-status { color:var(--muted); font-size:var(--text-xs); margin:8px 0; overflow-wrap:anywhere; }
.mail-contact-status:empty { display:none; }
.mail-contact-status[data-error] { color:var(--danger); }
.mail-contact-workspace { display:grid; grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr); min-height:400px; }
.mail-contact-master { min-width:0; padding:16px 20px 0 0; border-right:1px solid var(--border); }
.mail-contact-search-tools { display:grid; gap:8px; }
.mail-contact-search-tools .compact-search { margin:0; width:100%; min-width:0; }
.mail-contact-search-tools .compact-search input { min-width:0; width:100%; }
.mail-contact-filter-row { display:flex; align-items:center; gap:8px; }
.mail-contact-filter-row select { min-width:0; flex:1; }
.mail-contact-filter-row .icon-btn { flex:0 0 auto; }
.mail-contact-count { color:var(--muted); font-size:var(--text-xs); margin:12px 0 4px; }
.mail-contact-row { display:flex; width:100%; min-width:0; gap:12px; align-items:center; padding:14px 12px; text-align:left; border:0; border-left:3px solid transparent; border-bottom:1px solid var(--border); border-radius:0; color:var(--text); background:transparent; font:inherit; cursor:pointer; }
.mail-contact-row:hover { background:var(--surface-hover); }
.mail-contact-row.is-selected { border-left-color:var(--primary); background:var(--accent-soft); }
.mail-contact-row > .app-icon { width:16px; height:16px; flex:0 0 auto; color:var(--muted); }
.mail-contact-row-info { flex:1; min-width:0; display:grid; gap:3px; }
.mail-contact-row-info > * { white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.mail-contact-row-info strong { font-size:var(--text-sm); }
.mail-contact-row-info :is(span,small) { color:var(--muted); font-size:var(--text-xs); }
.mail-contact-avatar { display:grid; place-items:center; width:40px; height:40px; flex:0 0 40px; border-radius:50%; background:var(--icon-muted-bg); color:var(--text); font-size:var(--text-md); font-weight:700; }
.mail-contact-avatar.is-large { width:56px; height:56px; flex-basis:56px; font-size:var(--text-xl); }
.mail-contact-inspector { min-width:0; padding:24px 0 0 24px; position:sticky; top:0; align-self:start; }
.mail-contact-identity { display:flex; align-items:flex-start; gap:14px; padding-bottom:24px; border-bottom:1px solid var(--border); }
[data-contact-detail] { position:relative; }
.mail-contact-identity-text { flex:1; min-width:0; padding-right:72px; }
.mail-contact-identity h3 { margin:4px 0 8px; font-size:var(--text-lg); line-height:1.4; overflow-wrap:anywhere; }
.mail-contact-category { display:inline-flex; border:1px solid var(--border); border-radius:var(--radius-lg); padding:2px 9px; color:var(--muted); background:var(--surface-subtle); font-size:var(--text-xs); }
.mail-contact-email { margin-top:8px; color:var(--muted); font-size:var(--text-sm); overflow-wrap:anywhere; }
.mail-contact-edit { position:absolute; top:0; right:0; }
.mail-contact-properties { display:grid; grid-template-columns:72px minmax(0,1fr); gap:22px 16px; margin:24px 0; font-size:var(--text-sm); }
.mail-contact-properties dt { color:var(--muted); }
.mail-contact-properties dd { margin:0; white-space:pre-wrap; overflow-wrap:anywhere; }
.mail-contact-detail-actions { margin-top:48px; padding-top:16px; border-top:1px solid var(--border); }
.mail-contact-delete { color:var(--muted); background:transparent; border-color:transparent; }
.mail-contact-delete:hover { color:var(--danger); background:var(--surface-hover); }
.mail-contact-empty { padding:32px 12px; color:var(--muted); line-height:1.65; font-size:var(--text-sm); }
.mail-contact-empty h3 { color:var(--text); font-size:var(--text-md); }
.mail-contact-pagination { display:flex; justify-content:space-between; align-items:center; gap:8px; margin-top:12px; font-size:var(--text-xs); color:var(--muted); }
.mail-contact-fields { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; margin:16px 0; }
.mail-contact-fields .field { min-width:0; }
.mail-contact-fields :is(input,select,textarea) { width:100%; min-width:0; }
.mail-contact-field-wide { grid-column:1/-1; }
.mail-contact-extra { border-top:1px solid var(--border); border-bottom:1px solid var(--border); padding:12px 0; margin:16px 0; font-size:var(--text-sm); }
.mail-contact-extra summary { color:var(--text); cursor:pointer; }
.mail-contact-hint { color:var(--muted); font-size:var(--text-xs); line-height:1.65; }
.mail-contact-form-actions { display:flex; justify-content:flex-end; gap:8px; margin-top:24px; }
.mail-contact-category-row { display:flex; gap:8px; align-items:flex-end; padding:16px 0; border-bottom:1px solid var(--border); }
.mail-contact-category-row .field { min-width:0; flex:1; }
.mail-contact-category-row .field input { width:100%; }
.mail-contact-candidate { display:grid; grid-template-columns:minmax(0,2fr) minmax(0,1fr) minmax(0,1fr); align-items:center; gap:8px; padding:16px 0; border-bottom:1px solid var(--border); }
.mail-contact-candidate label { display:flex; align-items:center; gap:12px; overflow-wrap:anywhere; min-width:0; font-size:var(--text-sm); }
.mail-contact-candidate input[type=checkbox] { flex:0 0 20px; width:20px; height:20px; }
.mail-contact-candidate > :is(input,select) { min-width:0; width:100%; }
[data-contact-body] [hidden] { display:none!important; }
@media (min-width:768px) {
  [data-contact-view="detail"] .mail-contact-navigation,
  [data-contact-view="edit"] .mail-contact-navigation { display:none; }
}
@media (max-width:767px) {
  /* Title + account are one left block; actions align to that block's centre. */
  .workspace-standard .mailbox-module-header.workspace-list-header { grid-template-columns:minmax(0,1fr) auto; align-items:center; }
  .workspace-standard .mailbox-module-header > .module-title-row { display:block; grid-column:1; grid-row:1; min-width:0; }
  .workspace-standard .mailbox-module-header > .module-title-row > div { display:block; min-width:0; }
  .workspace-standard .mailbox-module-header .page-title { min-width:0; flex-wrap:nowrap; gap:8px; }
  .workspace-standard .mailbox-module-header .page-title > span:not(.sr-only) { min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
  .workspace-standard .mailbox-module-header .mailbox-title-sync { flex:0 0 auto; }
  .workspace-standard .mailbox-module-header .page-subtitle { min-width:0; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
  .workspace-standard .mailbox-module-header .workspace-list-primary-actions { grid-column:2; grid-row:1; align-self:center; }
  .workspace-standard .mailbox-module-header.is-search-open .workspace-list-header-tools > .mail-module-actions { grid-row:2; }
  .workspace-standard .mailbox-module-header .workspace-create-action { width:40px; min-width:40px; padding:0; display:grid; place-items:center; }
  .workspace-standard .mailbox-module-header .workspace-create-action > span { position:absolute; width:1px; height:1px; overflow:hidden; clip-path:inset(50%); }
  .workspace-standard .mailbox-list-heading > strong { display:none; }
  .workspace-standard .mailbox-list-heading > [aria-hidden],
  .workspace-standard .mailbox-list-heading .mailbox-count { display:inline; }
  .workspace-standard .mailbox-list-heading { flex:0 0 auto; }
  .workspace-standard .mailbox-category-filter { min-width:0; flex:1 1 0; }
  .mail-contact-workspace { display:block; min-height:0; }
  .mail-contact-master { padding:12px 0 0; border-right:0; }
  .mail-contact-inspector { position:static; padding:12px 0 0; }
  [data-contact-view="list"] .mail-contact-inspector,
  [data-contact-view="detail"] .mail-contact-master,
  [data-contact-view="edit"] .mail-contact-master,
  [data-contact-view="detail"] .mail-contact-toolbar,
  [data-contact-view="edit"] .mail-contact-toolbar { display:none; }
  .mail-contact-toolbar > .btn { flex:1 1 auto; }
  .mail-contact-fields,.mail-contact-candidate { grid-template-columns:minmax(0,1fr); }
  .mail-contact-identity { flex-wrap:wrap; }
  .mail-contact-identity-text { flex:1 1 calc(100% - 72px); padding-right:0; }
  .mail-contact-edit { position:static; width:100%; background:var(--primary); border-color:var(--primary); color:#fff; }
  .mail-contact-detail-actions { display:grid; gap:12px; border-top:0; }
  .mail-contact-delete { justify-self:center; }
  .mail-contact-properties { gap:20px 12px; }
  .mail-contact-category-row { flex-wrap:wrap; }
  .mail-contact-category-row .field { flex-basis:100%; }
  .mail-contact-form-actions > .btn { flex:1; }
}