#panel-files{max-width:64rem}
.files-toolbar,.files-navigation,.files-row-actions,.files-editor-actions{display:flex;gap:.75rem;flex-wrap:wrap;align-items:center;margin:1rem 0}
.files-toolbar input{min-width:12rem;flex:1}
.files-folder-field{display:grid;gap:.5rem;flex:1 1 12rem;min-width:0;align-self:end;font-size:.875rem;color:var(--muted)}
.files-folder-field input{width:100%;box-sizing:border-box;min-width:0}
.files-upload{padding:1rem;border:1px dashed var(--border);border-radius:1rem;margin-block:1rem}
.files-upload-field{display:grid;gap:.75rem;font-size:.875rem}
.files-upload input{width:100%;box-sizing:border-box}
.files-upload p{margin:.75rem 0 0;font-size:.8125rem;color:var(--muted)}
.files-list-head{display:flex;gap:.75rem;align-items:center;justify-content:space-between;margin-block:1.5rem .75rem}
.files-list-head h2{margin:0;font-size:1rem}
.files-list-head>span{font-size:.875rem;color:var(--muted)}
#panel-files .files-list{list-style:none;padding:0;display:grid;gap:.75rem}
#panel-files .files-list>li{display:flex;align-items:center;justify-content:space-between;gap:1rem;overflow-wrap:anywhere;padding:.75rem;border:1px solid var(--line, #586459);border-radius:.75rem;min-width:0}
.files-row-identity{min-width:0;display:flex;flex-direction:column;align-items:flex-start;gap:.25rem;flex:1}
.files-row-identity>a{display:inline-flex;align-items:center;min-height:2.75rem;max-width:100%;overflow-wrap:anywhere}
.files-row-identity>span,.files-usage p:last-child{font-size:.875rem;color:var(--muted, #bcc5bd)}
.files-row-actions{margin:0;justify-content:flex-end}
#panel-files button,#panel-files input:not([type=checkbox]),#panel-files select{min-height:2.75rem;max-width:100%}
#panel-files button{white-space:normal;overflow-wrap:anywhere}
.files-usage,.files-editor{border:1px solid var(--line, #586459);border-radius:1rem;padding:1rem;margin-block:1rem;background:var(--surface, transparent)}
.files-usage p{margin-block:.25rem .6rem}
.files-usage meter{display:block;width:100%;height:1rem;accent-color:var(--accent, #20e070)}
.files-editor{display:grid;gap:.75rem;scroll-margin-block:6rem}
.files-editor h3{margin:0;overflow-wrap:anywhere}
.files-editor label{display:flex;align-items:center;gap:.75rem;min-height:2.75rem}
.files-editor input:not([type=checkbox]),.files-editor select{width:100%;min-width:0}
.files-editor input[type=checkbox]{width:1.25rem;height:1.25rem;flex-shrink:0}
.files-editor-actions{margin:0}
#panel-files [role=alert]{overflow-wrap:anywhere;border-inline-start:3px solid currentColor;padding-inline-start:.75rem}
#panel-files :is(button,a,input,select):focus-visible{outline:2px solid var(--accent, #20e070);outline-offset:3px}
@media(max-width:700px){#panel-files .files-list>li{align-items:stretch;flex-direction:column}.files-row-actions{justify-content:flex-start}.files-row-actions>button{flex:1 1 7rem}.files-toolbar>*{width:100%}.files-editor-actions>button{flex:1}}

/* Proposed light resource tokens; existing controls and Desert Night stay unchanged. */
html[data-theme="light"] #panel-files .files-list > li {
  border-color: var(--border);
}
html[data-theme="light"] #panel-files :is(.files-usage,.files-editor) {
  border-color: var(--border);
  background: var(--card);
}
html[data-theme="light"] #panel-files .files-usage meter {
  accent-color: var(--green);
}
@media (forced-colors: active) {
  html[data-theme="light"] #panel-files .files-list > li {
    border-color: CanvasText;
  }
  html[data-theme="light"] #panel-files :is(.files-usage,.files-editor) {
    border-color: CanvasText;
    background: Canvas;
  }
  html[data-theme="light"] #panel-files .files-usage meter {
    accent-color: auto;
  }
}

/* Files uses the approved Focus canvas; file contents and editors stay opaque. */
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files {
  --files-surface: #17131f;
  --files-raised: #211b2b;
  --files-field: #211b2b;
  --files-danger: #ffb9ae;
  --files-ink: var(--preview-ink, #f7f5ee);
  --files-muted: var(--preview-muted, #cbc5d2);
  --files-line: var(--preview-line, rgb(246 240 249 / .16));
  --files-control-line: var(--preview-control-line, #887c93);
  --files-accent: var(--preview-accent, #9bc8a7);
  --files-action: var(--preview-action, #00d492);
  --files-action-ink: var(--preview-action-ink, #0c0a07);
  --glass-focus: var(--files-accent);
  --glass-disabled: var(--files-raised);
  --glass-disabled-text: var(--files-muted);
  --glass-input-border: var(--files-control-line);
  --tool-accent: var(--files-accent);
  --green: var(--files-accent);
  --danger: var(--files-danger);
  max-inline-size: none;
  min-inline-size: 0;
  color: var(--files-ink);
  font-family: var(--preview-ui, "Instrument Sans", "IBM Plex Sans Arabic", sans-serif);
  container: files / inline-size;
}
html[data-rattib-material="glass"][data-theme="light"].rt-route:not(#_) body.workspace-framed #panel-files {
  --files-surface: #fdfdf9;
  --files-raised: #f0f5ee;
  --files-field: #ffffff;
  --files-danger: #a5292f;
  --files-ink: var(--preview-ink, #24342c);
  --files-muted: var(--preview-muted, #4d6156);
  --files-line: var(--preview-line, rgb(35 70 50 / .17));
  --files-control-line: var(--preview-control-line, #73897a);
  --files-accent: var(--preview-accent, #256947);
  --files-action: var(--preview-action, #127451);
  --files-action-ink: var(--preview-action-ink, #ffffff);
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files > h1 {
  margin: 4px 0 12px;
  border: 0;
  padding: 0;
  color: var(--files-ink);
  font: 400 clamp(36px, 3.5vw, 50px)/1.12 var(--preview-display, "Instrument Serif", Georgia, serif);
  letter-spacing: -.025em;
}
html[data-rattib-material="glass"][lang="ar"].rt-route:not(#_) body.workspace-framed #panel-files > h1 {
  font-family: "IBM Plex Sans Arabic", sans-serif;
  font-size: clamp(30px, 3vw, 42px);
  font-weight: 500;
  letter-spacing: 0;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files > p {
  max-inline-size: 72ch;
  margin-block: 0 20px;
  color: var(--files-muted);
  font-size: 14px;
  line-height: 1.7;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-workspace {
  display: grid;
  grid-template-columns: minmax(0, 270px) minmax(0, 1fr);
  align-items: start;
  gap: 20px;
  margin-block-start: 24px;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files :is(.files-tools, .files-content, .files-folder-field, .files-upload-field) {
  min-inline-size: 0;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-tools {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  padding: 0;
  background: none;
  border: 0;
  box-shadow: none;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files :is(.files-usage, .files-toolbar, .files-upload, .files-content, .files-editor) {
  box-sizing: border-box;
  min-inline-size: 0;
  margin: 0;
  padding: 20px;
  color: var(--files-ink);
  background: var(--files-surface);
  background-image: none;
  border: 1px solid var(--files-line);
  border-radius: 20px;
  box-shadow: var(--preview-shadow, none);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files :is(.files-usage p, .files-upload p, .files-editor p):not([role]) {
  color: var(--files-muted);
  font-size: 13px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-usage {
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-usage p:first-child {
  color: var(--files-ink);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-usage meter {
  inline-size: 100%;
  block-size: 14px;
  accent-color: var(--files-action);
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-usage meter::-webkit-meter-bar { background: var(--files-raised); border: 1px solid var(--files-line); }
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-usage meter::-webkit-meter-optimum-value { background: var(--files-action); }
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-usage meter::-moz-meter-bar { background: var(--files-action); }
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files :is(.files-folder-field, .files-upload-field, .files-editor label) {
  color: var(--files-ink);
  font-size: 13px;
  font-weight: 500;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files :is(input, select) {
  box-sizing: border-box;
  inline-size: 100%;
  min-inline-size: 0;
  max-inline-size: 100%;
  min-block-size: 44px;
  padding: 10px 12px;
  border: 1px solid var(--files-control-line);
  border-radius: 12px;
  background: var(--files-field);
  color: var(--files-ink);
  font: inherit;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files :is(input, select)::placeholder { color: var(--files-muted); opacity: 1; }
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files option { color: var(--files-ink); background: var(--files-field); }
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files input[type="file"] { margin: 0; padding: 8px; font-size: 12px; }
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files input[type="file"]::file-selector-button {
  display: block;
  inline-size: 100%;
  min-block-size: 44px;
  margin: 0 0 8px;
  padding: 8px 12px;
  background: var(--files-raised);
  color: var(--files-ink);
  border: 1px solid var(--files-control-line);
  border-radius: 10px;
  font: inherit;
  font-weight: 500;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files button {
  min-inline-size: 0;
  min-block-size: 44px;
  padding: 9px 14px;
  margin: 0;
  border: 1px solid var(--files-control-line);
  border-radius: 12px;
  background: var(--files-raised);
  background-image: none;
  color: var(--files-ink);
  box-shadow: none;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
  text-align: center;
  white-space: normal;
  overflow-wrap: anywhere;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files button.rt-btn-primary {
  color: var(--files-action-ink);
  background: var(--files-action);
  border-color: var(--files-action);
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files :is(button, input, select):disabled {
  opacity: .55;
  cursor: not-allowed;
  box-shadow: none;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-navigation {
  margin: 0 0 20px;
  padding: 0 0 16px;
  gap: 8px;
  border-block-end: 1px solid var(--files-line);
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-navigation > span {
  flex: 1 1 100%;
  min-inline-size: 0;
  color: var(--files-muted);
  font-size: 13px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-list-head { margin: 0 0 16px; }
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files :is(.files-list-head h2, .files-editor h3) {
  color: var(--files-ink);
  font: 500 16px/1.6 var(--preview-ui, "Instrument Sans", "IBM Plex Sans Arabic", sans-serif);
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-list-head > span {
  min-inline-size: 30px;
  padding: 3px 8px;
  border-radius: 8px;
  background: var(--files-raised);
  color: var(--files-muted);
  text-align: center;
  font-variant-numeric: tabular-nums;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-list { margin: 0; gap: 10px; }
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-list > li {
  min-inline-size: 0;
  padding: 14px;
  gap: 12px;
  border: 1px solid var(--files-line);
  border-radius: 14px;
  background: var(--files-raised);
  color: var(--files-ink);
  box-shadow: none;
  align-items: center;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-row-identity {
  flex: 1 1 160px;
  gap: 2px;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-row-identity > :is(button, a) {
  min-block-size: 44px;
  padding: 6px 0;
  border-color: transparent;
  background: transparent;
  color: var(--files-ink);
  font-size: 14px;
  font-weight: 500;
  text-align: start;
  line-height: 1.65;
  overflow-wrap: anywhere;
  text-underline-offset: 4px;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-row-identity > span { color: var(--files-muted); font-size: 12px; }
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-row-actions { gap: 8px; justify-content: start; }
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-editor {
  margin-block-start: 20px;
  border-color: var(--files-control-line);
  gap: 12px;
  box-shadow: none;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-editor label { min-block-size: 0; }
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-empty {
  padding: 24px 16px;
  margin: 0;
  background: var(--files-raised);
  border: 1px dashed var(--files-control-line);
  border-radius: 14px;
  color: var(--files-muted);
  line-height: 1.7;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files :is([role="alert"], .files-status) {
  grid-column: 1 / -1;
  flex-basis: 100%;
  margin: 0;
  padding: 12px;
  border: 1px solid currentColor;
  border-inline-start-width: 3px;
  border-radius: 10px;
  background: var(--files-surface);
  color: var(--files-danger);
  font-size: 13px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-status { color: var(--files-accent); }
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files [aria-invalid="true"] { border-color: var(--files-danger); }
html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files :is(button, a, input, select):focus-visible {
  outline: 3px solid var(--files-accent);
  outline-offset: 3px;
}
@container files (max-width: 780px) {
  html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-workspace { grid-template-columns: minmax(0, 1fr); }
  html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-tools { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-upload { grid-column: 1 / -1; }
}
@container files (max-width: 520px) {
  html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-tools { grid-template-columns: minmax(0, 1fr); }
  html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files :is(.files-usage, .files-toolbar, .files-upload, .files-content, .files-editor) { padding: 16px; border-radius: 16px; }
  html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-list > li { flex-direction: column; align-items: stretch; }
  html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-row-identity { flex-basis: auto; }
  html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files :is(.files-row-actions, .files-editor-actions) > button { flex: 1 1 110px; }
}
@media (max-width: 700px) {
  html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files :is(input, select) { font-size: 16px; }
}
@media (forced-colors: active) {
  html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files {
    --files-surface: Canvas;
    --files-raised: Canvas;
    --files-field: Field;
    --files-ink: CanvasText;
    --files-muted: CanvasText;
    --files-line: CanvasText;
    --files-control-line: ButtonText;
    --files-accent: Highlight;
    --files-action: Highlight;
    --files-action-ink: HighlightText;
    --files-danger: CanvasText;
  }
  html[data-rattib-material="glass"].rt-route:not(#_) body.workspace-framed #panel-files .files-usage meter { accent-color: auto; }
}