.document-workspace {
  --workspace-ink: #17211e;
  --workspace-muted: #69736f;
  --workspace-line: #d9dfdc;
  --workspace-paper: #fff;
  --workspace-panel: #f8faf9;
  --workspace-stage: #e8ecea;
  --workspace-accent: #d75f4a;
  --workspace-deep: #173f35;
  display: block;
  min-width: 0;
  max-width: 100%;
}
.document-workspace-shell { grid-template-columns: minmax(0, 1fr); }
.document-workspace-shell > .tool-facts { border-top: 1px solid var(--workspace-ink); }
.tool-form.document-workspace { padding: clamp(.75rem, 2vw, 1.5rem); }

.workspace-upload { padding: 1.5rem; }
.workspace-drop { display: grid; place-items: center; min-height: 11rem; border: 2px dashed var(--workspace-accent); border-radius: 1rem; background: #fffaf1; cursor: pointer; }
.workspace-drop input { position: absolute; inline-size: 1px; block-size: 1px; opacity: 0; }
.workspace-drop label { display: grid; gap: .35rem; text-align: center; }
.workspace-drop strong { font-size: 1.15rem; }
.workspace-drop.is-dragging, .workspace-drop.has-file { border-style: solid; border-color: var(--workspace-deep); background: #f0f8f4; box-shadow: inset 0 0 0 3px #173f3510; }
.workspace-drop.has-file { min-height: 7.5rem; }
.workspace-upload [data-file-list] { margin: .9rem 0 1rem; }
.workspace-file-card { display: grid; grid-template-columns: auto minmax(0, 1fr) auto auto; align-items: center; gap: .85rem; min-height: 4.8rem; border: 1px solid #b7c8c1; border-radius: .8rem; padding: .75rem .85rem; background: #fff; box-shadow: 0 .45rem 1.2rem #173f3510; }
.workspace-file-mark { display: grid; width: 2.7rem; height: 3.2rem; place-items: center; border-radius: .35rem; background: var(--workspace-accent); color: #fff; font-size: .68rem; font-weight: 900; letter-spacing: .06em; box-shadow: 3px 3px 0 var(--workspace-deep); }
.workspace-file-card > div { display: grid; min-width: 0; gap: .2rem; }
.workspace-file-card strong { overflow: hidden; color: var(--workspace-ink); text-overflow: ellipsis; white-space: nowrap; }
.workspace-file-card > div span { color: var(--workspace-muted); font-size: .78rem; }
.workspace-file-ready { border-radius: 999px; padding: .3rem .55rem; background: #dff3e8; color: #17603e; font-size: .72rem; font-weight: 900; text-transform: uppercase; }
.workspace-file-card button { min-height: 40px; border: 1px solid var(--workspace-line); border-radius: .5rem; padding: .45rem .65rem; background: #fff; color: var(--workspace-ink); font-weight: 750; cursor: pointer; }
.workspace-file-card button:hover { border-color: var(--workspace-accent); color: #a63626; }

.workbench { min-height: min(780px, calc(100vh - 7rem)); overflow: hidden; border: 1px solid var(--workspace-line); border-radius: 1rem; background: var(--workspace-stage); color: var(--workspace-ink); box-shadow: 0 1.4rem 4rem #173f3517; }
.workspace-toolbar { display: flex; align-items: stretch; gap: .35rem; min-width: 0; padding: .55rem .65rem; overflow-x: auto; border-bottom: 1px solid var(--workspace-line); background: var(--workspace-paper); scrollbar-width: thin; }
.toolbar-section { display: flex; align-items: center; gap: .25rem; flex: 0 0 auto; }
.toolbar-tools { margin-inline: auto; }
.toolbar-divider, .zoom-divider { inline-size: 1px; align-self: stretch; margin: .25rem; background: var(--workspace-line); }
.workspace-toolbar button, .page-actions button, .panel-heading button, .zoom-dock button { min-height: 44px; border: 1px solid transparent; border-radius: .55rem; background: transparent; color: inherit; padding: .45rem .68rem; font: inherit; font-size: .82rem; font-weight: 700; white-space: nowrap; cursor: pointer; }
.workspace-toolbar button:hover:not(:disabled), .zoom-dock button:hover, .panel-heading button:hover { background: #eff3f1; }
.workspace-toolbar button:focus-visible, .page-actions button:focus-visible, .panel-heading button:focus-visible, .zoom-dock button:focus-visible, .canvas-stack:focus-visible { outline: 3px solid #2b7fff; outline-offset: 2px; }
.workspace-toolbar [data-tool][aria-pressed="true"] { border-color: #f0b2a7; background: #fff0ed; color: #b53d2b; }
.workspace-toolbar button:disabled { opacity: .38; cursor: not-allowed; }
.panel-toggle span { font-size: 1rem; }

.workbench-grid { position: relative; display: grid; grid-template-columns: minmax(11rem, 14rem) minmax(0, 1fr) minmax(14rem, 18rem); min-height: 38rem; height: min(68vh, 760px); }
.workspace-panel { min-width: 0; overflow: auto; background: var(--workspace-panel); transition: width .22s ease, transform .22s ease, opacity .18s ease; }
.page-rail { padding: 1rem; border-right: 1px solid var(--workspace-line); }
.properties-panel { padding: 1rem; border-left: 1px solid var(--workspace-line); }
.workbench.pages-collapsed .page-rail { width: 0; padding-inline: 0; border: 0; overflow: hidden; opacity: 0; }
.workbench.properties-collapsed .properties-panel { width: 0; padding-inline: 0; border: 0; overflow: hidden; opacity: 0; }
.workbench.pages-collapsed .workbench-grid { grid-template-columns: 0 minmax(0, 1fr) minmax(14rem, 18rem); }
.workbench.properties-collapsed .workbench-grid { grid-template-columns: minmax(11rem, 14rem) minmax(0, 1fr) 0; }
.workbench.pages-collapsed.properties-collapsed .workbench-grid { grid-template-columns: 0 minmax(0, 1fr) 0; }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: .85rem; }
.panel-heading h2 { margin: .05rem 0 0; font-size: 1.05rem; }
.panel-heading button { display: none; padding: .2rem .6rem; font-size: 1.35rem; }
.eyebrow { color: var(--workspace-muted); font-size: .66rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.page-actions { display: grid; grid-template-columns: 1fr 1fr; gap: .35rem; }
.page-actions button { min-width: 0; border-color: var(--workspace-line); background: #fff; padding: .42rem; color: var(--workspace-deep); }
.page-thumbnails { display: grid; gap: .75rem; margin: 1rem 0 0; padding: 0; list-style: none; }
.page-thumbnails button { width: 100%; padding: .4rem; border: 2px solid transparent; border-radius: .45rem; background: #fff; color: var(--workspace-ink); box-shadow: 0 .2rem .8rem #173f3512; }
.page-thumbnails button[aria-current="true"] { border-color: var(--workspace-accent); }
.page-thumbnails canvas { max-width: 100%; height: auto; }

.document-view { min-width: 0; overflow: auto; overscroll-behavior: contain; padding: 1.5rem; background-color: var(--workspace-stage); background-image: radial-gradient(#173f3514 1px, transparent 1px); background-size: 18px 18px; }
.canvas-stage { display: grid; place-items: start center; min-width: max-content; min-height: 100%; padding-bottom: 4.4rem; }
.canvas-stack { position: relative; flex: none; background: var(--workspace-paper); box-shadow: 0 1.2rem 3rem #17211e28, 0 0 0 1px #17211e12; touch-action: none; }
.canvas-stack canvas { display: block; max-width: none; }
.canvas-stack [data-overlay-canvas] { position: absolute; inset: 0; cursor: default; }
.source-text-layer { position: absolute; z-index: 2; inset: 0; overflow: hidden; pointer-events: none; }
.source-text-line { position: absolute; margin: 0; padding: 0; border: 1px solid transparent; border-radius: 2px; background: transparent; color: transparent; font: inherit; line-height: 1.1; text-align: left; overflow: hidden; pointer-events: none; }
.canvas-stack[data-active-tool="select"] .source-text-line { pointer-events: auto; cursor: text; }
.canvas-stack[data-active-tool="select"] .source-text-line:hover { border-color: #1473e6aa; background: #1473e612; }
.source-text-line:focus-visible { outline: 3px solid #1473e6; outline-offset: 1px; }
.source-text-line.is-replaced { display: block; padding-inline: 2px; border-color: #1473e666; background: #fff; color: var(--replacement-color, #000); white-space: pre-wrap; }
.source-text-line[dir="rtl"] { text-align: right; }
.selection-box[data-selection-kind="source"] .resize-handle { display: none; }
.canvas-stack[data-active-tool="text"] [data-overlay-canvas] { cursor: text; }
.canvas-stack[data-active-tool="draw"] [data-overlay-canvas], .canvas-stack[data-active-tool="highlight"] [data-overlay-canvas], .canvas-stack[data-active-tool="rectangle"] [data-overlay-canvas], .canvas-stack[data-active-tool="ellipse"] [data-overlay-canvas] { cursor: crosshair; }
.selection-box { position: absolute; z-index: 3; border: 2px solid #1473e6; pointer-events: none; box-shadow: 0 0 0 1px #fff8; }
.resize-handle { position: absolute; width: 11px; height: 11px; border: 2px solid #1473e6; border-radius: 2px; background: #fff; pointer-events: auto; }
.resize-nw { left: -7px; top: -7px; cursor: nwse-resize; }.resize-n { left: calc(50% - 5px); top: -7px; cursor: ns-resize; }.resize-ne { right: -7px; top: -7px; cursor: nesw-resize; }
.resize-e { right: -7px; top: calc(50% - 5px); cursor: ew-resize; }.resize-se { right: -7px; bottom: -7px; cursor: nwse-resize; }.resize-s { left: calc(50% - 5px); bottom: -7px; cursor: ns-resize; }
.resize-sw { left: -7px; bottom: -7px; cursor: nesw-resize; }.resize-w { left: -7px; top: calc(50% - 5px); cursor: ew-resize; }
.inline-text-editor { position: absolute; z-index: 4; min-width: 8rem; min-height: 3rem; resize: both; border: 2px solid #1473e6; border-radius: .2rem; background: #ffffffed; color: #111; line-height: 1.25; padding: .25rem; box-shadow: 0 .5rem 1.4rem #17211e24; }
.zoom-dock { position: sticky; z-index: 8; bottom: .75rem; display: flex; align-items: stretch; gap: .12rem; margin-top: 1rem; padding: .25rem; border: 1px solid #d9dfdc; border-radius: .7rem; background: #fffefcfa; box-shadow: 0 .7rem 2rem #17211e24; backdrop-filter: blur(12px); }
.zoom-dock button { min-height: 38px; padding: .35rem .55rem; }
.zoom-dock output { display: grid; min-width: 3.4rem; place-items: center; font-size: .8rem; font-weight: 800; }
.zoom-dock [data-fit-mode][aria-pressed="true"] { background: var(--workspace-deep); color: #fff; }

.properties-panel label { display: grid; gap: .35rem; margin-block: 1rem; color: var(--workspace-muted); font-size: .78rem; font-weight: 750; }
.properties-panel input:not([type="color"]) { width: 100%; }
.properties-panel input[type="color"] { width: 100%; min-height: 42px; border: 1px solid var(--workspace-line); border-radius: .5rem; background: #fff; }
.properties-panel fieldset { margin: 1.2rem 0 0; border: 1px solid var(--workspace-line); border-radius: .65rem; }
.object-actions { display: grid; grid-template-columns: 1fr 1fr; gap: .35rem; }
.object-actions button { min-height: 40px; border: 1px solid var(--workspace-line); border-radius: .45rem; background: #fff; color: var(--workspace-deep); }
.tool-help { margin: 0 0 1rem; padding: .75rem; border-left: 3px solid var(--workspace-accent); border-radius: 0 .45rem .45rem 0; background: #fff4ef; color: #5c4741; font-size: .82rem; line-height: 1.45; }
.source-text-state { margin-bottom: 1rem; padding: .7rem; border: 1px solid var(--workspace-line); border-radius: .55rem; background: #fff; }
.source-text-state p { margin: 0; color: var(--workspace-muted); font-size: .76rem; line-height: 1.4; }
.source-text-state button { width: 100%; min-height: 40px; margin-top: .55rem; border: 1px solid var(--workspace-line); border-radius: .45rem; background: #fff; color: var(--workspace-deep); }
.workspace-footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 64px; padding: .65rem 1rem; border-top: 1px solid var(--workspace-line); background: #fff; }
.workspace-footer p { margin: .25rem 0; color: var(--workspace-muted); font-size: .82rem; }
.workspace-footer > div:last-child { display: flex; gap: .5rem; }
.panel-backdrop { display: none; }

.document-workspace dialog { width: min(46rem, 92vw); max-width: none; max-height: min(48rem, 90vh); overflow: auto; border: 0; border-radius: 1.1rem; padding: 0; box-shadow: 0 2rem 6rem #08151060; }
.document-workspace dialog::backdrop { background: #12251fc9; backdrop-filter: blur(3px); }
.document-workspace dialog canvas { max-width: 100%; border: 1px solid #777; background: #fff; touch-action: none; }
.signature-dialog-shell { padding: clamp(1.2rem, 4vw, 2rem); }
.signature-dialog-header .eyebrow { margin: 0 0 .25rem; }
.signature-dialog-header h2 { max-width: 14ch; margin: 0; color: var(--workspace-ink); font-family: Georgia, serif; font-size: clamp(2rem, 6vw, 3.6rem); font-weight: 500; line-height: .98; letter-spacing: -.04em; }
.signature-dialog-header > p:last-child { max-width: 42rem; margin: 1rem 0 0; color: var(--workspace-muted); font-size: .88rem; }
.signature-method-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: .35rem; margin: 1.25rem 0; padding: .3rem; border: 1px solid var(--workspace-line); border-radius: .7rem; background: #eef2f0; }
.signature-method-tabs button { min-height: 44px; border: 0; border-radius: .5rem; background: transparent; color: var(--workspace-muted); font-weight: 800; }
.signature-method-tabs button[aria-selected="true"] { background: #fff; color: var(--workspace-deep); box-shadow: 0 .2rem .7rem #173f3518; }
.signature-method-tabs button:focus-visible, .signature-style-grid button:focus-visible { outline: 3px solid #1473e6; outline-offset: 2px; }
.signature-method-panel[hidden] { display: none; }
.signature-name-field { display: grid; gap: .4rem; color: var(--workspace-muted); font-size: .76rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.signature-name-field input { width: 100%; min-height: 50px; border: 1px solid var(--workspace-line); border-radius: .55rem; padding: .65rem .8rem; background: #fff; color: var(--workspace-ink); font-size: 1rem; letter-spacing: 0; text-transform: none; }
.signature-style-fieldset { margin: 1.2rem 0 0; padding: 0; border: 0; }
.signature-style-fieldset legend { margin-bottom: .65rem; color: var(--workspace-muted); font-size: .76rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.signature-style-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .65rem; }
.signature-style-grid button { position: relative; display: grid; min-height: 7.2rem; align-content: space-between; overflow: hidden; border: 1px solid var(--workspace-line); border-radius: .75rem; padding: .7rem .85rem; background: #fffdf8; color: var(--workspace-ink); text-align: left; cursor: pointer; transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease; }
.signature-style-grid button:hover { border-color: #7f948e; transform: translateY(-1px); }
.signature-style-grid button[aria-pressed="true"] { border-color: var(--workspace-accent); box-shadow: 0 0 0 2px #d75f4a22; }
.signature-style-grid small { color: var(--workspace-muted); font-family: Aptos, "Segoe UI", sans-serif; font-size: .68rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.signature-style-grid [data-signature-preview] { display: block; overflow: hidden; font-size: clamp(1.6rem, 5vw, 2.6rem); line-height: 1.2; text-overflow: ellipsis; white-space: nowrap; }
.signature-style-grid [data-signature-style="classic"] [data-signature-preview] { font-family: "Segoe Script", "Brush Script MT", cursive; font-style: italic; }
.signature-style-grid [data-signature-style="flourish"] [data-signature-preview] { font-family: "Lucida Handwriting", "URW Chancery L", cursive; font-style: italic; }
.signature-style-grid [data-signature-style="modern"] [data-signature-preview] { font-family: "Dancing Script", "Segoe Print", cursive; }
.signature-style-grid [data-signature-style="formal"] [data-signature-preview] { font-family: "Snell Roundhand", "Apple Chancery", "Monotype Corsiva", cursive; font-style: italic; }
.signature-style-grid i { position: absolute; top: .55rem; right: .6rem; display: none; width: 1.3rem; height: 1.3rem; place-items: center; border-radius: 50%; background: var(--workspace-accent); color: #fff; font: normal 800 .75rem/1 sans-serif; }
.signature-style-grid button[aria-pressed="true"] i { display: grid; }
.signature-method-panel > p { margin: 0 0 .6rem; color: var(--workspace-muted); }
.signature-method-panel canvas { width: 100%; min-height: 11rem; border: 1px dashed #7f948e; border-radius: .65rem; }
.signature-upload-field { display: grid; min-height: 10rem; place-items: center; align-content: center; gap: .5rem; border: 2px dashed #7f948e; border-radius: .75rem; background: #f8faf9; font-weight: 800; text-align: center; }
.signature-upload-field span { color: var(--workspace-muted); font-size: .75rem; font-weight: 500; }
.signature-dialog-actions { display: flex; justify-content: flex-end; gap: .6rem; margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid var(--workspace-line); }
.signature-dialog-actions button { min-height: 44px; border: 1px solid var(--workspace-line); border-radius: .55rem; padding: .55rem 1rem; }

@media (max-width: 1050px) {
  .workbench-grid, .workbench.pages-collapsed .workbench-grid, .workbench.properties-collapsed .workbench-grid, .workbench.pages-collapsed.properties-collapsed .workbench-grid { grid-template-columns: minmax(0, 1fr); }
  .workspace-panel { position: absolute; z-index: 20; top: 0; bottom: 0; width: min(20rem, 88vw); opacity: 1; box-shadow: 0 1rem 3rem #17211e3d; }
  .page-rail { left: 0; transform: translateX(-105%); }
  .properties-panel { right: 0; transform: translateX(105%); }
  .workbench.pages-open .page-rail, .workbench.properties-open .properties-panel { width: min(20rem, 88vw); padding: 1rem; transform: translateX(0); }
  .panel-heading button { display: inline-grid; place-items: center; }
  .panel-backdrop { position: absolute; z-index: 15; inset: 0; display: block; width: 100%; border: 0; background: #17211e66; }
  .panel-backdrop[hidden] { display: none; }
}

@media (max-width: 640px) {
  .workbench { min-height: calc(100dvh - 1rem); border-radius: .65rem; }
  .workspace-toolbar { position: absolute; z-index: 12; right: 0; bottom: 64px; left: 0; align-items: center; padding: .45rem; border-top: 1px solid var(--workspace-line); border-bottom: 0; }
  .toolbar-history span:not([aria-hidden="true"]), .toolbar-properties { display: none; }
  .toolbar-tools { order: -1; margin-inline: 0; }
  .workbench-grid { height: calc(100dvh - 129px); }
  .document-view { min-height: 0; padding: .65rem; }
  .canvas-stage { padding-bottom: 5rem; }
  .zoom-dock { bottom: .3rem; }
  .zoom-dock [data-fit-mode] { display: none; }
  .workspace-footer { position: relative; z-index: 13; min-height: 64px; }
  .workspace-footer > div:first-child { max-width: 52%; }
  .workspace-footer > div:last-child { margin-left: auto; }
  .workspace-footer .secondary-button { display: none; }
}

@media (max-width: 560px) {
  .workspace-file-card { grid-template-columns: auto minmax(0, 1fr) auto; }
  .workspace-file-ready { display: none; }
  .workspace-file-card button { grid-column: 2 / -1; justify-self: start; }
  .signature-style-grid { grid-template-columns: 1fr; }
  .signature-style-grid button { min-height: 6rem; }
  .signature-dialog-header h2 { font-size: 2.15rem; }
}

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