/* Shared document-first presentation. Existing PDF content colors are deliberately
   excluded (rule 2); ink swatches describe document content, not UI state. */
:root{--ui-space:4px;--ui-radius:4px;--ui-panel-radius:8px;--ui-header:64px;--ui-rail:56px;--ui-sidebar:160px;--ui-inspector:224px;--ui-body:14px;--ui-caption:12px;--ui-display:24px;--ui-line:1px;--ui-motion:160ms ease-out;--ui-attention:#805500;--ui-attention-bg:#fff1cc;--motion:var(--ui-motion)}
:root[data-theme=dark]{--ui-attention:#ffcf70;--ui-attention-bg:#3c2c0c}
body{font-size:var(--ui-body);font-variant-numeric:tabular-nums}
button,input,select,textarea,.thumbnail,.thumbnail img,.manage-row,.drawer-item,.format-row,.appearance-color,.segmented{border-radius:var(--ui-radius)!important}
header{height:var(--ui-header);padding:calc(var(--ui-space)*2) calc(var(--ui-space)*3);gap:calc(var(--ui-space)*2);border-bottom:var(--ui-line) solid var(--md-sys-color-outline-variant);background:var(--md-sys-color-surface)}
.filename>span,.sign-fab,.rail-open,.sidebar-footer,.sheet-note,.welcome-art,.theme-preview{display:none!important}
.brand-mark{width:32px;height:32px;border-radius:var(--ui-radius);background:transparent;color:var(--md-sys-color-on-surface-variant)}
.brand-mark .material-symbol{width:24px;height:24px}
.filename{border:0;padding:0;max-width:none;flex:1;min-width:0}.filename input{font-size:var(--ui-body);text-overflow:ellipsis;padding:calc(var(--ui-space)*2)}
.saved{display:block!important;max-width:160px;font-size:var(--ui-caption);white-space:nowrap;color:var(--md-sys-color-on-surface-variant)}
.saved[data-state=attention]{color:var(--ui-attention);background:var(--ui-attention-bg);padding:var(--ui-space) calc(var(--ui-space)*2);border-radius:var(--ui-radius)}
.header-actions #download,.header-actions #open,button.primary,.manage-button,.navigation-rail .rail-open{background:var(--md-sys-color-surface-container);color:var(--md-sys-color-on-surface)}
.header-actions button{min-height:40px;padding:calc(var(--ui-space)*2)}.header-actions #download{padding:calc(var(--ui-space)*2) calc(var(--ui-space)*3);margin-left:0}
.workspace{height:calc(100dvh - var(--ui-header));grid-template-columns:var(--ui-rail) var(--ui-sidebar) minmax(0,1fr) var(--ui-inspector);padding:0;gap:0}
.workspace.no-drawer{grid-template-columns:var(--ui-rail) minmax(0,1fr) var(--ui-inspector)}
.workspace.inspector-idle{grid-template-columns:var(--ui-rail) var(--ui-sidebar) minmax(0,1fr)}.workspace.inspector-idle.no-drawer{grid-template-columns:var(--ui-rail) minmax(0,1fr)}
.workspace.inspector-idle #properties{display:none}
.navigation-rail{padding:calc(var(--ui-space)*2) 0;gap:var(--ui-space);border-right:var(--ui-line) solid var(--md-sys-color-outline-variant)}
.navigation-rail button{width:var(--ui-rail);min-height:48px;border-radius:var(--ui-radius);font-size:10px;padding:var(--ui-space);gap:var(--ui-space)}.navigation-rail button .material-symbol{width:40px;padding:var(--ui-space);border-radius:var(--ui-radius)}
.canvas-pane,#sidebar,#properties{border-radius:0;box-shadow:none}#sidebar{padding:calc(var(--ui-space)*3) calc(var(--ui-space)*2);border-right:var(--ui-line) solid var(--md-sys-color-outline-variant)}#properties{padding:calc(var(--ui-space)*4);border-left:var(--ui-line) solid var(--md-sys-color-outline-variant)}
.drawer-heading h2,.sheet-heading h2{font-size:var(--ui-body)}.drawer-heading,.sheet-heading{margin-bottom:calc(var(--ui-space)*2)}
.canvas-pane{background:var(--md-sys-color-surface-container-high)}main{top:56px;bottom:48px}
#pages{padding:calc(var(--ui-space)*8);gap:calc(var(--ui-space)*8)}
#toolbar{top:0;bottom:auto;left:0;right:0;padding:var(--ui-space) calc(var(--ui-space)*2);gap:var(--ui-space);border-radius:0;box-shadow:none;border-bottom:var(--ui-line) solid var(--md-sys-color-outline-variant);background:var(--md-sys-color-surface)}
#toolbar button{min-height:44px;min-width:40px;padding:calc(var(--ui-space)*2)}#toolSelection{border-radius:var(--ui-radius);transition:transform var(--ui-motion),width var(--ui-motion),opacity var(--ui-motion)}
.floating{top:auto;bottom:0;left:0;right:0;height:48px;justify-content:center;border-radius:0;box-shadow:none;border-top:var(--ui-line) solid var(--md-sys-color-outline-variant);background:var(--md-sys-color-surface)}
.text-box-controls{border:0;border-top:var(--ui-line) solid var(--md-sys-color-outline-variant);border-radius:0;padding:calc(var(--ui-space)*3) 0}.text-box-controls legend{padding:0;font-size:var(--ui-caption)}
.format-row{border:0}.property-fields{gap:calc(var(--ui-space)*4)}.info-card{border-radius:0;padding:calc(var(--ui-space)*3) 0;background:transparent}.manage-row{border-bottom:var(--ui-line) solid var(--md-sys-color-outline-variant);background:transparent}
.welcome-screen{top:56px;bottom:48px;gap:calc(var(--ui-space)*3);background:var(--md-sys-color-surface-container-high)}.welcome-screen h1{font-size:var(--ui-display);letter-spacing:normal;margin:0}.welcome-screen p{font-size:var(--ui-body);margin:0}.welcome-screen .quiet,.welcome-screen .drop-hint{margin:0;color:var(--md-sys-color-on-surface-variant)}
.empty-list{text-align:center;padding:calc(var(--ui-space)*6) calc(var(--ui-space)*2)}
dialog{border-radius:var(--ui-panel-radius);padding:calc(var(--ui-space)*6)}.modal-header h2{font-size:var(--ui-display)}dialog::backdrop{backdrop-filter:none}
/* Rule 5 exception: transactional signature/import/print workflows retain focus
   trapping until their existing modal engine can safely become an inline editor. */
dialog[open],.workspace.drawer-open #sidebar,#properties.sheet-open{animation-duration:160ms;animation-timing-function:ease-out}
button.rippling:after{display:none}button:active:not(:disabled){transform:none}button,.thumbnail,.sign-fab{transition-duration:160ms;transition-timing-function:ease-out}
.annotation.text.selected{outline-color:var(--md-sys-color-primary);box-shadow:none}.annotation.text .resize-handle{border-color:var(--md-sys-color-primary);background:var(--pdf-paper);border-radius:var(--ui-radius)}
@media(max-width:900px){:root{--ui-header:80px}header{position:relative;padding-bottom:24px}.saved{position:absolute;left:calc(var(--ui-space)*3);bottom:var(--ui-space);max-width:calc(100% - 24px)}.workspace,.workspace.no-drawer,.workspace.inspector-idle,.workspace.inspector-idle.no-drawer{grid-template-columns:var(--ui-rail) minmax(0,1fr)}.header-actions #open{display:inline-flex}.workspace.drawer-open #sidebar{left:var(--ui-rail);top:var(--ui-header);bottom:0;border-radius:0}#properties.sheet-open,.workspace.inspector-idle #properties.sheet-open{display:block;left:calc(var(--ui-space)*2);right:calc(var(--ui-space)*2);bottom:calc(var(--ui-space)*2);border-radius:var(--ui-panel-radius)}.property-fields{grid-template-columns:1fr 1fr}.canvas-pane{grid-column:2}#pages{padding:calc(var(--ui-space)*6)}.floating{left:0;right:0;top:auto;bottom:0}.welcome-screen{padding:calc(var(--ui-space)*4)}}
@media(max-width:600px){.brand{display:none}.header-actions #open>span:last-child:not(.material-symbol){display:none}.header-actions button{min-width:32px;padding:var(--ui-space)}.filename input{font-size:var(--ui-caption)}.text-box-controls{grid-column:1/-1}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* SingPDF identity: compact mark and wordmark, with the document kept primary. */
.brand{gap:6px;font-size:19px;letter-spacing:-.6px;flex-shrink:0}.brand-end{font-weight:500}.brand-mark{color:var(--md-sys-color-primary)}
@media(max-width:900px){.brand>span:last-child{display:none}}

@media(max-width:600px){.brand{display:flex}.brand-mark{width:24px;height:28px}.brand-mark .material-symbol{width:24px;height:28px}.filename input{min-width:0}}

.workflow-steps{font-size:12px!important;letter-spacing:.04em;color:var(--md-sys-color-primary)!important}.welcome-screen .workflow-info{max-width:480px;font-size:12px;line-height:1.6;margin:12px auto 0}.welcome-screen h1{font-size:clamp(22px,3vw,32px)}.annotation.underline,.annotation.strikeout{min-height:4px}.welcome-screen{overflow:auto}

.review-notes{max-height:45vh;overflow:auto;display:grid;gap:10px}.review-note{display:grid;gap:6px;text-align:left;white-space:normal;height:auto;padding:14px;border:1px solid var(--md-sys-color-outline);border-radius:12px;background:var(--md-sys-color-surface);color:var(--md-sys-color-on-surface)}.review-note span{white-space:pre-wrap;overflow-wrap:anywhere}.annotation.squiggly{min-height:4px}

.mark-preview{display:flex;align-items:center;justify-content:center;min-height:100px;background:#fff;border:1px solid #dadce0;border-radius:12px;margin-top:16px;padding:12px}.mark-preview img{max-width:100%;height:auto}#modalBody label{display:block}#modalBody label select,#modalBody label input:not([type=color]){width:100%}#modalBody label[hidden]{display:none}

#modalBody label:has(#markKind),#markChoiceLabel,#customMarkLabel{margin-top:12px}#markKind,#markChoice{display:block;min-height:44px;margin-top:6px;padding:10px 12px;border:1px solid var(--md-sys-color-outline);border-radius:10px;background:var(--md-sys-color-surface);color:var(--md-sys-color-on-surface);font:inherit}#markColor{margin:12px;vertical-align:middle;width:52px;height:32px}

.callout-box div{white-space:pre}.callout-tip{transform:translate(-50%,-50%);cursor:crosshair!important;z-index:4}

.annotation.callout .handle-e{right:-5px;left:auto;top:50%;bottom:auto;transform:translateY(-50%);cursor:ew-resize}.annotation.callout .callout-tip{right:auto;bottom:auto}
.pdf-field{box-sizing:border-box!important;min-width:0!important;min-height:0!important;margin:0!important;border:1px solid #6475be!important;border-radius:2px!important;padding:2px 3px!important;background:#f2f4ff!important;color:#202124!important;z-index:3;outline-offset:1px;resize:none}.pdf-field[type=checkbox]{appearance:auto!important;accent-color:#4b5eb0;padding:0!important}.pdf-field:focus{outline:2px solid #4b5eb0!important;background:white!important}.pdf-field:disabled{opacity:.85}.annotation-layer[data-tool=form]{cursor:default!important}

.pdf-field{font-family:Arial,sans-serif!important;font-size:var(--field-size)!important;line-height:1.2!important}

.annotation-layer.selecting-pdf-text{touch-action:auto;cursor:text!important}.pdf-text-selection{position:absolute;inset:0;z-index:5;overflow:hidden;user-select:text;touch-action:auto;cursor:text}.pdf-text-selection span{position:absolute;display:inline-block;white-space:pre;color:transparent;line-height:1;transform-origin:0 0;user-select:text;cursor:text}.pdf-text-selection ::selection{background:#526bd477;color:transparent}.text-selection-actions{position:fixed;z-index:900;top:154px;left:50%;transform:translateX(-50%);display:flex;gap:8px;padding:8px;border-radius:24px;background:var(--md-sys-color-surface-container);box-shadow:0 3px 18px #0003;max-width:95vw}.text-selection-actions[hidden]{display:none}.text-selection-actions button{white-space:nowrap;padding:10px 16px;border-radius:20px}.annotation.textmarkup{background:transparent}@media(max-width:700px){.text-selection-actions{top:auto;bottom:130px}}

.batch-list{max-height:40vh;overflow:auto;margin:12px 0}.batch-row{display:flex;align-items:center;gap:6px;padding:8px 0;border-bottom:1px solid var(--md-sys-color-outline-variant)}.batch-row img{width:48px;height:48px;object-fit:contain;flex-shrink:0}.batch-row>span{flex:1;min-width:0;overflow-wrap:anywhere;font-size:13px}.batch-row button{padding:8px;min-height:44px;font-size:12px}.photo-options{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.photo-options select,.batch-target select{min-height:44px;display:block;font:inherit;padding:8px;background:var(--md-sys-color-surface-container);color:var(--md-sys-color-on-surface);border:1px solid var(--md-sys-color-outline)}.batch-target{margin-top:12px}.welcome-convert{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.welcome-convert button{min-height:44px}#batchError{color:var(--md-sys-color-error)}@media(max-width:600px){.batch-row{flex-wrap:wrap}.batch-row>span{flex-basis:calc(100% - 60px)}.batch-row button{flex:1}.photo-options{grid-template-columns:1fr}.welcome-screen{justify-content:safe center}.welcome-convert{flex-shrink:0}}

#pdfQuality,#wordMode{display:block;width:100%;min-height:44px;font:inherit;padding:10px;background:var(--md-sys-color-surface);color:var(--md-sys-color-on-surface);border:1px solid var(--md-sys-color-outline);white-space:normal}#qualityTradeoff,#wordTradeoff{padding:12px;background:var(--md-sys-color-secondary-container);border-radius:12px}#compressionPreview{display:block;max-width:100%;width:220px;max-height:260px;object-fit:contain;margin:12px auto;border:1px solid var(--md-sys-color-outline)}#compressionPreview[hidden]{display:none}#pdfSize,#wordStatus{font-weight:600}

.crop-presets,.date-stamps{display:flex;flex-wrap:wrap;gap:8px}.date-stamps p{flex-basis:100%;margin-bottom:0}.crop-preview{position:relative;width:100%;max-height:420px;max-width:100%;margin:16px auto;touch-action:none;overflow:hidden;background:white;outline:1px solid var(--md-sys-color-outline)}.crop-preview canvas{display:block;width:100%;height:100%;object-fit:fill}#cropOutline{position:absolute;border:2px solid var(--md-sys-color-primary);box-shadow:0 0 0 2000px #0005;pointer-events:none;box-sizing:border-box}.crop-margins{display:grid;grid-template-columns:1fr 1fr;gap:12px}.crop-margins input{width:100%;min-width:0}.comb-controls{display:grid;gap:12px}.comb-controls output{font-size:12px}.remember-signature{display:flex!important;align-items:center;gap:10px;margin-top:16px}#rememberSignature,#extractFlatten{width:20px;min-height:20px;flex:none}.signature-storage-note{font-size:12px;line-height:1.5}#savedSignature{padding:12px;border:1px solid var(--md-sys-color-outline-variant);border-radius:16px;margin-bottom:16px}#savedSignaturePreview{padding:12px;background:white;color:#202c4a;border-radius:8px}#savedSignaturePreview img{display:block;max-width:100%;max-height:90px;object-fit:contain}#extractRange{width:100%;min-height:44px}#extractStatus{overflow-wrap:anywhere}

#redactMarks{position:absolute;inset:0;pointer-events:none;overflow:hidden}.redact-mark{position:absolute;background:#000;outline:1px solid #fff}#redactPreview{touch-action:none;cursor:crosshair}#redactPage{min-height:44px;width:100%;margin-bottom:12px}