*{box-sizing:border-box}
body{margin:0;font:14px system-ui,sans-serif;background:#e9ebef;color:#1c2030;height:100vh;display:flex;flex-direction:column}
header{display:flex;align-items:center;gap:6px;padding:8px 12px;background:#fff;border-bottom:1px solid #d5d8de;flex-wrap:wrap}
.logo{margin-right:8px}
.sep{width:1px;height:22px;background:#d5d8de;margin:0 6px}
.spacer{flex:1}
button{font:inherit;padding:6px 12px;border:1px solid #c3c8d1;background:#f6f7f9;border-radius:6px;cursor:pointer}
button:hover:not(:disabled){background:#eceef2}
button:disabled{opacity:.4;cursor:default}
button.primary{background:#2956e8;border-color:#2956e8;color:#fff}
button.primary:hover:not(:disabled){background:#1f47c9}
#viewer{flex:1;overflow:auto;padding:20px;text-align:center}
#empty{margin-top:15vh;color:#555}
.hint{font-size:12px;color:#888}
.page{position:relative;margin:0 auto 16px;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.2);display:block}
.page canvas{display:block}
.item{position:absolute;border:1px dashed transparent;cursor:move;touch-action:none}
.item:hover,.item.sel{border-color:#2956e8}
.item img{width:100%;height:100%;pointer-events:none;display:block}
.item .txt{width:100%;height:100%;color:#000;white-space:nowrap;outline:none;font-family:Helvetica,Arial,sans-serif;display:flex;align-items:center}
.item .h{position:absolute;right:-6px;bottom:-6px;width:12px;height:12px;background:#2956e8;border-radius:50%;cursor:nwse-resize;display:none}
.item .x{position:absolute;right:-8px;top:-18px;width:18px;height:18px;line-height:14px;padding:0;border-radius:50%;background:#d33;color:#fff;border:0;display:none;font-size:12px}
.item.sel .h,.item.sel .x{display:block}
.item.armed{cursor:crosshair}
body.placing .page{cursor:copy}
dialog{border:0;border-radius:10px;padding:18px;box-shadow:0 10px 40px rgba(0,0,0,.3)}
dialog::backdrop{background:rgba(0,0,0,.4)}
#sigPad{border:1px solid #bbb;border-radius:6px;background:#fff;touch-action:none;cursor:crosshair;max-width:100%}
dialog .row{display:flex;gap:8px;align-items:center;margin-top:10px}
#saved{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
#saved img{height:44px;border:1px solid #ccc;border-radius:4px;cursor:pointer;background:#fff;padding:2px}
#saved img:hover{border-color:#2956e8}
#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#222;color:#fff;padding:8px 16px;border-radius:6px}
.item.rect{cursor:move}
.item.hl{background:rgba(255,235,0,.4);mix-blend-mode:multiply}
.item.wipe{background:#fff}
.item.wipe.sel,.item.wipe:hover{background:rgba(255,255,255,.85)}
.drawing{position:absolute;border:1px dashed #2956e8;background:rgba(41,86,232,.15);pointer-events:none}
#saved .sg{position:relative}
#saved .sg button{position:absolute;right:-6px;top:-8px;width:18px;height:18px;padding:0;border-radius:50%;background:#d33;color:#fff;border:0;font-size:12px;line-height:14px}
dialog h3{margin:0 0 8px;font-size:14px}
dialog h3 small{color:#888;font-weight:400}
#saved{margin:0 0 14px;min-height:50px}
#saved .none{color:#888;font-size:12px}

/* ---- v3 ---- */
header .grp{display:flex;align-items:center;gap:6px;padding-right:10px;margin-right:4px;border-right:1px solid #e1e4e9}
header .grp:last-of-type{border-right:0}
select{font:inherit;padding:5px 6px;border:1px solid #c3c8d1;background:#f6f7f9;border-radius:6px}
select:disabled{opacity:.4}
input[type=color]{width:30px;height:28px;padding:1px;border:1px solid #c3c8d1;border-radius:6px;background:#fff}
.item.redact{background:#000;cursor:move}
.item.redact.sel{outline:2px solid #e53935}
.item.vec{cursor:move}
.item.note{background:#fff3a3;box-shadow:0 1px 4px rgba(0,0,0,.3);border:1px solid #d9c84b}
.item .txt.multi{white-space:pre-wrap;align-items:flex-start;padding:4px;overflow:hidden;line-height:1.2}
.drawing{z-index:20}
.inkprev{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:20}
.item{z-index:10}
.textLayer{position:absolute;inset:0;overflow:hidden;line-height:1;z-index:1;user-select:text}
.textLayer span,.textLayer br{color:transparent;position:absolute;white-space:pre;cursor:text;transform-origin:0 0}
.textLayer ::selection{background:rgba(41,86,232,.35)}
.formLayer{position:absolute;inset:0;z-index:2}
.formLayer input,.formLayer textarea,.formLayer select{position:absolute;margin:0;padding:0 2px;border:1px solid rgba(41,86,232,.45);background:rgba(173,205,255,.35);font-family:Helvetica,Arial,sans-serif;border-radius:0;color:#000}
.formLayer input[type=checkbox],.formLayer input[type=radio]{padding:0;accent-color:#2956e8}
.formLayer input:focus,.formLayer textarea:focus,.formLayer select:focus{outline:2px solid #2956e8;background:rgba(255,255,255,.9)}
body.placing .textLayer,body.placing .formLayer{pointer-events:none}
#busy{position:fixed;inset:0;background:rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center;z-index:100}
#busy .box{background:#fff;padding:18px 26px;border-radius:10px;display:flex;gap:14px;align-items:center;box-shadow:0 10px 40px rgba(0,0,0,.3)}
.spin{width:22px;height:22px;border:3px solid #cfd5e3;border-top-color:#2956e8;border-radius:50%;animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
#askDialog{min-width:380px;max-width:520px}
#askFields label{display:block;margin:0 0 10px;font-size:13px}
#askFields label.chk{display:flex;gap:8px;align-items:center}
#askFields input[type=text],#askFields input[type=password],#askFields input[type=email],#askFields input[type=number],#askFields select{display:block;width:100%;margin-top:4px;padding:6px 8px;font:inherit}
#askFields .help{font-size:12px;color:#777;margin:-4px 0 10px}

/* ---- tabs ---- */
header{display:block;padding:0;background:#fff}
header .grp{display:none}
header .top{display:flex;align-items:center;gap:6px;padding:8px 12px;border-bottom:1px solid #e1e4e9;flex-wrap:wrap}
#docTabs{display:flex;gap:2px;padding:4px 12px 0;background:#dfe2e8;overflow-x:auto}
.docTab{display:flex;align-items:center;gap:6px;max-width:200px;padding:5px 6px 5px 12px;border-radius:6px 6px 0 0;background:#cfd3db;color:#444;font-size:13px;cursor:pointer;flex:none}
.docTab span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.docTab.active{background:#f3f4f7;color:#1c2030;font-weight:600}
.docClose{border:0;background:transparent;border-radius:4px;padding:0 5px;font-size:16px;line-height:18px;color:#777;cursor:pointer}
.docClose:hover{background:#e53935;color:#fff}
.tabs{display:flex;gap:2px;padding:6px 12px 0;background:#f3f4f7;border-bottom:1px solid #d5d8de}
.tab{border:1px solid transparent;border-bottom:0;background:transparent;border-radius:6px 6px 0 0;padding:7px 16px;color:#555}
.tab:hover{background:#e6e9f0}
.tab.active{background:#fff;border-color:#d5d8de;color:#2956e8;font-weight:600;margin-bottom:-1px;padding-bottom:8px}
.ribbon{padding:8px 12px;border-bottom:1px solid #d5d8de;background:#fff;min-height:48px}
.panel{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.panel[hidden]{display:none}
.lbl{display:flex;align-items:center;gap:6px;font-size:13px;color:#555}
.tip{font-size:12px;color:#8a90a0;margin-left:6px}
[hidden]{display:none!important}

/* ---- thumbnails, search, banner ---- */
#work{flex:1;display:flex;min-height:0}
#viewer{flex:1;min-width:0}
#thumbs{width:150px;overflow:auto;background:#dfe2e8;border-right:1px solid #cdd1d9;padding:10px 8px;flex:none}
.thumb{margin:0 auto 12px;width:max-content;text-align:center;cursor:pointer;border:2px solid transparent;border-radius:4px;padding:3px;font-size:12px;color:#555}
.thumb canvas{display:block;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.3)}
.thumb:hover{border-color:#9db3f5}
.thumb.cur{border-color:#2956e8;color:#2956e8;font-weight:600}
.thumb.over{border-color:#e53935;border-style:dashed}
.thumb.dragging{opacity:.4}
#searchBar{display:flex;gap:6px;align-items:center;padding:6px 12px;background:#fffbe0;border-bottom:1px solid #e6dc8a}
#searchBar input{width:280px;padding:5px 8px;font:inherit}
#searchCount{font-size:12px;color:#666;min-width:80px}
.textLayer span.hit{background:rgba(255,220,0,.55);border-radius:2px}
.textLayer span.hit.now{background:rgba(255,120,0,.65)}
#sigBanner{padding:7px 14px;font-size:13px;border-bottom:1px solid;display:flex;gap:8px;align-items:center}
#sigBanner.ok{background:#e7f6ec;border-color:#a9dcb8;color:#1d5a30}
#sigBanner.warn{background:#fff4dc;border-color:#ecd08a;color:#7a5600}
#sigBanner.bad{background:#fde8e8;border-color:#f0aaaa;color:#8a1c1c}

/* ---- v4: hand tool, markup ---- */
body.hand #viewer{cursor:grab;touch-action:none}
body.hand.panning #viewer{cursor:grabbing}
body.hand .textLayer,body.hand .formLayer,body.hand .item{pointer-events:none}
body.hand .textLayer{user-select:none}
button.on{background:#dfe8ff;border-color:#2956e8;color:#1f47c9}
body.marking #viewer{cursor:text}
.item[data-group] .h{display:none!important}
.item[data-group]{cursor:default}
.importRow{margin:0 0 12px;justify-content:flex-start}
.importRow .chk{display:flex;gap:6px;align-items:center;font-size:13px}

/* ---- v5: form fields, text editing ---- */
body.delfield .formLayer{pointer-events:auto}
body.delfield .formLayer input,body.delfield .formLayer textarea,body.delfield .formLayer select{outline:2px dashed #e53935;cursor:not-allowed;background:rgba(229,57,53,.15)}
body.edittext #viewer{cursor:pointer}
body.edittext .textLayer span{pointer-events:auto;cursor:pointer}
body.edittext .textLayer span:hover{outline:1.5px solid #2956e8;background:rgba(41,86,232,.12)}

/* ---- v6: signature dropdown ---- */
.menu{position:fixed;z-index:60;background:#fff;border:1px solid #c9ceda;border-radius:8px;box-shadow:0 8px 30px rgba(0,0,0,.25);padding:6px;min-width:230px;max-height:70vh;overflow:auto}
.menu .opt{display:flex;align-items:center;gap:10px;padding:6px 10px;border-radius:6px;cursor:pointer;font-size:13px;color:#333}
.menu .opt:hover{background:#eef2ff}
.menu .opt img{height:38px;max-width:170px;object-fit:contain;background:#fff;border:1px solid #e1e4ea;border-radius:4px;padding:2px}
.menu .opt .n{color:#8a90a0;font-size:12px;min-width:14px}
.menu hr{border:0;border-top:1px solid #e6e9f0;margin:6px 4px}
#askFields input[type=color]{width:60px;height:32px;display:block;margin-top:4px;padding:1px}

/* ---- v7: watermark dialog ---- */
#wmDialog{max-width:760px}
.wmBody{display:flex;gap:22px;align-items:flex-start}
.wmForm{width:300px;display:flex;flex-direction:column;gap:10px;font-size:13px}
.wmForm label,.wmForm .lab{display:block}
.wmForm input[type=text],.wmForm select{display:block;width:100%;margin-top:4px;padding:6px 8px;font:inherit}
.wmForm input[type=range]{display:block;width:100%;margin-top:6px}
.wmForm .two{display:flex;gap:10px}.wmForm .two label{flex:1}
.wmForm small{color:#8a90a0}
#wmSwatches{display:flex;gap:6px;margin-top:6px;align-items:center;flex-wrap:wrap}
#wmSwatches button{width:24px;height:24px;border-radius:50%;padding:0;border:2px solid #fff;box-shadow:0 0 0 1px #b8bdc9;cursor:pointer}
#wmSwatches button.sel{box-shadow:0 0 0 2px #2956e8}
#wmSwatches input[type=color]{width:28px;height:28px;padding:0;border-radius:50%;overflow:hidden}
.wmPreview{flex:1;text-align:center;min-width:300px}
#wmCanvas{width:300px;max-width:100%;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.3);display:block;margin:0 auto 8px}
.wmNav{display:flex;gap:10px;justify-content:center;align-items:center;font-size:12px;margin-bottom:4px}
.wmNav button{padding:2px 8px}
.wmPreview small{color:#8a90a0}

/* ---- v8: move controls ---- */
.wmForm .moveRow{display:flex;gap:8px;margin-top:4px}
.wmForm .moveRow label{flex:1}
.wmForm input[type=number]{display:block;width:100%;margin-top:4px;padding:6px 8px;font:inherit}
.wmForm .pad{display:flex;gap:5px;align-items:center;margin-top:6px}
.wmForm .pad button{padding:3px 9px}
.wmForm .pad small{margin-left:4px}

.docTab.dirty span::before{content:'● ';color:#e08a00;font-size:10px}
#pageNum{width:34px;text-align:center;padding:2px}
#thumbMenu{position:fixed;z-index:50;background:#fff;border:1px solid #ccd0d8;border-radius:6px;box-shadow:0 4px 14px rgba(0,0,0,.2);padding:4px;display:flex;flex-direction:column;min-width:140px}
#thumbMenu button{border:0;background:transparent;text-align:left;padding:6px 10px;border-radius:4px}
#thumbMenu button:hover{background:#e6e9f0}
#printArea{display:none}
#printDialog{width:min(760px,94vw)}
#printPreview{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-height:62vh;overflow:auto;background:#e8eaed;padding:12px;border-radius:6px}
#printPreview figure{margin:0;text-align:center;font-size:12px;color:#555}
#printPreview img{display:block;width:170px;height:auto;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.3);margin-bottom:4px}
#printPreview figure.off{opacity:.3}
@media print{
  body.printing>*:not(#printArea){display:none!important}
  body.printing #printArea{display:block}
  body.printing #printArea img{display:block;width:100%;height:auto;break-after:page}
  @page{margin:0}
}
html.dark header,html.dark #thumbs,html.dark dialog,html.dark #thumbMenu,html.dark #docTabs{filter:invert(1) hue-rotate(180deg)}
html.dark body,html.dark #viewer{background:#2a2d34}

#sigType{flex:1;min-width:0;padding:6px 8px}

#cmpDialog{width:min(760px,95vw)}
#cmpView{max-height:62vh;overflow:auto;text-align:center;background:#e9ebef;border-radius:6px;padding:8px}
#cmpCanvas{max-width:100%;box-shadow:0 1px 6px rgba(0,0,0,.3)}
#cmpSummary{margin:6px 0}

button.locked::after{content:" 🔒";font-size:11px}
#planBtn{font-size:12px;border-style:dashed}
#planBtn.pro{background:#fff4d6;border-color:#e0a800}

#verBtn{font-size:12px;border:0;background:transparent;color:#666}
#verBtn.ready{background:#e7f6e7;color:#176b17;border:1px solid #8cc98c;font-weight:600}

#accountBtn{font-size:12px;max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
dialog label.stack{display:flex;flex-direction:column;gap:4px;margin:8px 0;font-size:13px}
dialog label.stack input{padding:7px 8px}
#authMsg{min-height:18px;margin:6px 0 0;font-size:13px}
#authMsg.err{color:#c62828}
#authMsg.ok{color:#2e7d32}
#authDialog{width:min(440px,92vw)}

/* ---- v12: one look for everything (type scale, buttons, tabs, signature window) ---- */
:root{--blue:#2956e8;--blue-d:#1f47c9;--ink:#1c2030;--mute:#6b7280;--line:#d7dbe3;--bg:#eef0f4;--r:8px;--h:36px;
  --font:system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif}
body{font:14px/1.4 var(--font);background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}
button,select,input,textarea{font-family:inherit;font-size:14px}
button{height:var(--h);padding:0 14px;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:var(--r);font-weight:500;
  display:inline-flex;align-items:center;justify-content:center;gap:6px;white-space:nowrap;transition:background .12s,border-color .12s}
button:hover:not(:disabled){background:#f2f4f8;border-color:#c2c8d3}
button:disabled{opacity:.4}
button.primary{background:var(--blue);border-color:var(--blue);color:#fff}
button.primary:hover:not(:disabled){background:var(--blue-d);border-color:var(--blue-d)}
button.on{background:#e6edff;border-color:var(--blue);color:var(--blue-d)}
.docClose,.wmNav button,.wmForm .pad button,#thumbMenu button,.item .x,#saved .sg button,#wmSwatches button{height:auto}
select,input[type=text],input[type=search],input[type=email],input[type=password],input[type=number]{height:var(--h);padding:0 10px;border:1px solid var(--line);border-radius:var(--r);background:#fff}
select{padding-right:6px}
textarea{border:1px solid var(--line);border-radius:var(--r);padding:8px 10px}
dialog{border-radius:14px;padding:20px}
dialog h3{font-size:16px;font-weight:600;margin:0 0 10px}
dialog h3 small{font-size:13px;font-weight:400;color:var(--mute)}
.logo{font-size:15px;font-weight:700;letter-spacing:-.01em}
header .top{gap:6px;padding:8px 12px}
.sep{height:20px;margin:0 4px}
#pageNum{height:30px;width:42px}
#zoomInfo{min-width:44px;text-align:center;font-variant-numeric:tabular-nums}
.tabs{padding:0 12px;gap:0;background:#fff;border-bottom:1px solid var(--line)}
.tab{height:auto;border:0;border-bottom:2px solid transparent;border-radius:0;background:transparent;padding:10px 14px;font-weight:500;color:var(--mute)}
.tab:hover{background:transparent;color:var(--ink)}
.tab.active{background:transparent;color:var(--blue);border-bottom-color:var(--blue);margin-bottom:0;padding-bottom:10px}
.ribbon{padding:10px 12px}
.panel{gap:8px}
.tip{font-size:12px;color:var(--mute)}
.lbl{font-size:13px;color:var(--mute)}
#docTabs{background:#e3e6ec}
.docTab{font-size:13px}
@media (max-width:1500px){.logo{display:none}}

/* start screen: one big Open target, recent files below */
#home{display:flex;flex-direction:column;justify-content:center;min-height:100%;max-width:560px;margin:0 auto;padding:16px 12px;text-align:left}
#home #homeOpen{height:auto;min-height:min(34vh,240px);width:100%;flex-direction:column;gap:10px;margin-bottom:10px;background:#f1f5ff;
  border:2px dashed var(--blue);border-radius:18px;color:var(--blue-d);font-size:20px;font-weight:600}
#home #homeOpen:hover{background:#e6eeff;border-color:var(--blue-d)}
#home #homeOpen .big{font-size:44px;line-height:1}
#home .hint{text-align:center;margin:0 0 22px}
#home h3{font-size:12px;font-weight:600;color:var(--mute);text-transform:uppercase;letter-spacing:.06em;margin:0 0 8px}
#home .rname{height:auto;min-height:48px;justify-content:space-between;text-align:left}
#home .rx{height:auto;width:44px;color:var(--mute);background:#fff}

/* signature window: big pad, with a faint baseline that is not part of the picture */
#sigDialog{width:min(880px,94vw)}
#sigPad{display:block;width:100%;height:min(46vh,320px);cursor:crosshair;
  background:#fff linear-gradient(to bottom,transparent calc(72% - 1px),#e3e6ee calc(72% - 1px),#e3e6ee 72%,transparent 72%)}
#sigDialog .row{margin-top:12px}
#sigDialog .importRow{margin-top:0}
#thumbs:empty{display:none}
button:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--blue);outline-offset:1px}
#pages{display:block}

/* About dialog */
#aboutDialog{width:min(420px,92vw)}
#aboutLines .aboutRow{display:flex;justify-content:space-between;gap:16px;padding:8px 0;border-bottom:1px solid var(--line)}
#aboutLines .aboutRow span{color:var(--mute)}
#aboutLines .hint{margin:12px 0 0;font-size:12px;color:var(--mute)}

/* watermark preview: zoomable */
#wmScroll{overflow:auto;max-height:min(62vh,520px);border-radius:6px;background:#e9ebef;touch-action:pan-x pan-y}
#wmScroll.zoomed{cursor:grab}
#wmScroll.grabbing{cursor:grabbing;user-select:none}
#wmCanvas{max-width:none;margin:0 auto}
.wmZoom{display:inline-flex;align-items:center;gap:6px;margin-left:10px}
.wmZoom #wmZoomInfo{min-width:42px;text-align:center;font-variant-numeric:tabular-nums}
.wmPreview{flex:1 1 300px;min-width:0;width:min(320px,100%)}
#wmScroll{width:100%;max-width:100%}

/* digital signature details; tappable banner; About rows that wrap */
#sigBanner:not([hidden]){cursor:pointer}
#sigInfoDialog{width:min(440px,92vw)}
#sigInfoBody .sigRow{border-left:4px solid var(--line);padding:6px 10px;margin:0 0 10px;background:#f6f7f9;border-radius:6px}
#sigInfoBody .sigRow.ok{border-color:#2e9e54}#sigInfoBody .sigRow.warn{border-color:#e0a800}#sigInfoBody .sigRow.bad{border-color:#d33}
#sigInfoBody p{margin:4px 0 0;font-size:13px;color:var(--mute)}
#aboutDialog #aboutLines button{margin-top:12px}
#aboutLines .aboutRow{flex-wrap:wrap}
#aboutLines .aboutRow b{text-align:right}
#aboutTheme .seg{width:100%}
#aboutTheme .seg button{flex:1;min-width:0;padding:0 6px}
#sigBanner{align-items:flex-start}
#sigBannerX{margin-left:auto;flex:none;height:28px;min-width:28px;padding:0;border:0;background:transparent;color:inherit;font-size:20px;line-height:1}
#sigBannerX:hover:not(:disabled){background:rgba(0,0,0,.08)}
html.mobile #sigBannerX{height:44px;min-width:44px;margin:-8px -8px -8px auto}

/* "+" at the right end of the document tabs opens another PDF */
#tabAdd{position:sticky;right:0;flex:none;margin-left:auto;height:30px;min-width:34px;padding:0 8px;border:0;border-radius:6px 6px 0 0;background:#e3e6ec;box-shadow:-8px 0 8px -4px #e3e6ec;color:var(--blue-d);font-size:20px;line-height:1}
#tabAdd:hover:not(:disabled){background:#d3d8e2}