/* Sign a PDF (apps.gravitatech.com/sign-pdf/). Tokens copied from the Gravita site (GravitaTech_DemoSite/public/assets/css/site.css):
   navy to blue, white, orange on the two call-to-action buttons only (Open PDF, Download). Labels 15 px and up. */
@font-face{font-family:"Carlito";font-style:normal;font-weight:400;font-display:swap;src:url(../../_shared/fonts/carlito-400.woff2) format("woff2")}
@font-face{font-family:"Carlito";font-style:normal;font-weight:700;font-display:swap;src:url(../../_shared/fonts/carlito-700.woff2) format("woff2")}
/* on-screen stand-in for the PDF's Helvetica (same letter widths), from the shared pdf.js folder; SIL OFL 1.1 */
@font-face{font-family:"Liberation Sans";font-display:block;src:url(../../_shared/vendor/pdfjs-dist-4.10.38/standard_fonts/LiberationSans-Regular.ttf) format("truetype")}
@font-face{font-family:"Great Vibes";font-display:block;src:url(../fonts/greatvibes-GreatVibes-Regular.ttf) format("truetype")}
@font-face{font-family:"Mr Dafoe";font-display:block;src:url(../fonts/mrdafoe-MrDafoe-Regular.ttf) format("truetype")}
:root{
  --bg:#FFFFFF;--surface:#FFFFFF;--surface-2:#F5F7FC;--text:#0C1844;--muted:#46506B;--navy:#0C1844;--on-navy:#FFFFFF;
  --accent:#2A4BB0;--accent-text:#2A4BB0;--line:rgba(12,24,68,.12);--line-strong:rgba(12,24,68,.28);--focus:#2A4BB0;
  --action:#E07B00;--action-hover:#C96E00;--on-action:#0C1844;
  --desk:#E9EDF5;--danger:#B3261E;
  --shadow:0 2px 6px rgba(12,24,68,.06),0 10px 28px rgba(12,24,68,.08);
  --page-shadow:0 1px 3px rgba(12,24,68,.12),0 8px 24px rgba(12,24,68,.10);
  --font:"Carlito",Calibri,"Segoe UI",Arial,sans-serif;
  --fs-0:.9375rem;--fs-1:1.125rem;--fs-2:1.40625rem;--fs-3:1.75rem;--fs-4:2.1875rem;--fs-5:2.75rem;--fs-6:3.4375rem;
  --s1:8px;--s2:16px;--s3:24px;--s4:32px;--s5:48px;--s6:64px;--s7:96px;
  --radius:10px;--radius-lg:18px;--max:1200px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#080D26;--surface:#0E163D;--surface-2:#0E163D;--text:#EEF1FA;--muted:#B4BED8;--navy:#080D26;
  --accent:#8FA6EE;--accent-text:#8FA6EE;--line:rgba(238,241,250,.14);--line-strong:rgba(238,241,250,.32);--focus:#8FA6EE;--action-hover:#F2A54A;
  --desk:#060A1E;--danger:#FF8A80;
  --shadow:0 2px 6px rgba(0,0,0,.3),0 10px 28px rgba(0,0,0,.35);--page-shadow:0 2px 10px rgba(0,0,0,.5);color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#080D26;--surface:#0E163D;--surface-2:#0E163D;--text:#EEF1FA;--muted:#B4BED8;--navy:#080D26;
  --accent:#8FA6EE;--accent-text:#8FA6EE;--line:rgba(238,241,250,.14);--line-strong:rgba(238,241,250,.32);--focus:#8FA6EE;--action-hover:#F2A54A;
  --desk:#060A1E;--danger:#FF8A80;
  --shadow:0 2px 6px rgba(0,0,0,.3),0 10px 28px rgba(0,0,0,.35);--page-shadow:0 2px 10px rgba(0,0,0,.5);color-scheme:dark}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:var(--fs-1);line-height:1.55;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}
img,svg{display:block;max-width:100%}
button,input{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-weight:700;line-height:1.15;margin:0;letter-spacing:-.01em;text-wrap:balance}
p{margin:0}
[hidden]{display:none!important}
.wrap{max-width:var(--max);margin:0 auto;padding-left:max(var(--s3),env(safe-area-inset-left,0px));padding-right:max(var(--s3),env(safe-area-inset-right,0px))}
@media (max-width:600px){.wrap{padding-left:max(var(--s2),env(safe-area-inset-left,0px));padding-right:max(var(--s2),env(safe-area-inset-right,0px))}}
.skip{position:absolute;left:-9999px;top:0;background:var(--surface);padding:var(--s2);z-index:100}.skip:focus{left:var(--s2)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:10px 22px;border-radius:999px;font-weight:700;font-size:var(--fs-1);text-decoration:none;cursor:pointer;border:2px solid transparent;background:transparent;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .15s ease;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn svg{width:20px;height:20px;flex:0 0 auto}
.btn-primary{background:var(--action);color:var(--on-action)}
.btn-primary:hover{background:var(--action-hover)}
.btn-navy{background:var(--text);color:var(--bg)}
.btn-navy:hover{background:var(--accent);color:#fff}
.btn-navy:disabled{opacity:.4;cursor:not-allowed}
.btn-line{border-color:var(--line-strong);color:var(--text)}
.btn-line:hover{border-color:var(--accent);color:var(--accent-text)}
.btn-quiet{color:var(--text);padding-left:14px;padding-right:14px}
.btn-quiet:hover{color:var(--accent-text);background:color-mix(in srgb,var(--accent) 8%,transparent)}

/* start screen */
.start{padding:var(--s6) 0;min-height:min(calc(100dvh - 85px),640px);display:flex;align-items:center}
.start .wrap{width:100%}
.start .wrap{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:var(--s6);align-items:center}
.start h1{font-size:clamp(var(--fs-5),5vw,var(--fs-6))}
.privacy{display:flex;gap:12px;align-items:flex-start;margin-top:var(--s3);font-size:var(--fs-1);color:var(--muted);max-width:44ch}
.privacy svg{width:22px;height:22px;flex:0 0 auto;margin-top:3px;color:var(--accent)}
.how{list-style:none;margin:var(--s5) 0 0;padding:0;display:grid;gap:var(--s2);counter-reset:how}
.how li{display:grid;grid-template-columns:36px 1fr;gap:14px;align-items:center;counter-increment:how;font-size:var(--fs-1)}
.how li::before{content:counter(how);display:grid;place-items:center;width:36px;height:36px;border-radius:50%;border:2px solid var(--accent);color:var(--accent-text);font-weight:700;font-size:var(--fs-0)}
.drop{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--s3);min-height:400px;padding:var(--s5) var(--s4);border-radius:var(--radius-lg);background:var(--surface-2);border:2px dashed var(--line-strong);text-align:center;transition:border-color .2s ease,background .2s ease}
.drop.over{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 7%,var(--surface-2))}
.drop-art{width:min(260px,70%);height:auto;color:var(--text)}
.drop-or{color:var(--muted);font-size:var(--fs-0)}
.drop .btn{min-width:200px}
.drop-msg{max-width:46ch;font-size:var(--fs-0);line-height:1.5;padding:12px 16px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);text-align:left}
.drop-msg.err{border-color:color-mix(in srgb,var(--danger) 55%,transparent);color:var(--text)}
@media (max-width:900px){
  .start{padding:var(--s4) 0 var(--s5);min-height:0;display:block}
  .start .wrap{grid-template-columns:1fr;gap:var(--s4)}
  .how{margin-top:var(--s4)}
  .drop{min-height:300px;padding:var(--s4) var(--s3)}
}

/* workspace */
.work{background:var(--desk);min-height:calc(100dvh - 85px)}
.bar{position:sticky;top:0;z-index:30;background:var(--bg);border-bottom:1px solid var(--line)}
.bar-row{display:flex;align-items:center;gap:var(--s2);min-height:68px}
.file{display:flex;align-items:center;gap:12px;min-width:0;flex:1 1 auto}
.file-icon{width:22px;height:22px;flex:0 0 auto;color:var(--accent)}
.file-text{min-width:0}
.file-name{font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:var(--fs-1)}
.file-meta{font-size:var(--fs-0);color:var(--muted)}
.tools{display:flex;align-items:center;gap:4px}
.tool{display:inline-flex;align-items:center;gap:8px;min-height:48px;padding:8px 14px;border-radius:var(--radius);border:0;background:transparent;cursor:pointer;font-weight:700;font-size:var(--fs-1);color:var(--text)}
.tool svg{width:22px;height:22px;flex:0 0 auto;color:var(--accent)}
.tool:hover{background:color-mix(in srgb,var(--accent) 9%,transparent)}
.bar-sep{width:1px;height:32px;background:var(--line);margin:0 var(--s1)}
.note{font-size:var(--fs-0);color:var(--muted);line-height:1.4;text-wrap:balance}
.note-row{display:flex;justify-content:flex-end;padding-bottom:10px;margin-top:-6px}
.note-row .note{max-width:none;text-align:right}
.body{display:grid;grid-template-columns:168px minmax(0,1fr);gap:var(--s4);padding-top:var(--s4);padding-bottom:var(--s6)}
.thumbs{position:sticky;top:96px;align-self:start;max-height:calc(100dvh - 120px);overflow:auto;display:grid;gap:var(--s2);padding:4px 8px 4px 4px;scrollbar-width:thin}
.thumb{display:grid;gap:6px;justify-items:center;padding:6px;border:2px solid transparent;border-radius:var(--radius);background:transparent;cursor:pointer;font-size:var(--fs-0);color:var(--muted)}
.thumb canvas{width:120px;height:auto;background:#fff;box-shadow:var(--page-shadow);border-radius:2px}
.thumb.on{border-color:var(--accent);color:var(--text);font-weight:700}
.thumb:hover{color:var(--text)}
.pages{display:grid;gap:var(--s4);justify-items:center;min-width:0}
.hint{justify-self:stretch;max-width:880px;width:100%;margin:0 auto;display:flex;gap:12px;align-items:flex-start;font-size:var(--fs-0);color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px 16px}
.hint svg{width:20px;height:20px;flex:0 0 auto;margin-top:2px;color:var(--accent)}
.page{position:relative;width:100%;background:#fff;box-shadow:var(--page-shadow);border-radius:2px;touch-action:pan-x pan-y pinch-zoom}
.page canvas{position:absolute;inset:0;width:100%;height:100%;border-radius:2px}
.page-no{position:absolute;left:0;right:0;bottom:calc(-1 * var(--s4) + 6px);text-align:center;font-size:var(--fs-0);color:var(--muted)}
.layer{position:absolute;inset:0}
.chip{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(var(--dock-h,0px) + 16px + env(safe-area-inset-bottom,0px));z-index:25;background:var(--navy);color:#fff;font-size:var(--fs-0);font-weight:700;padding:6px 14px;border-radius:999px;box-shadow:var(--shadow);pointer-events:none;opacity:0;transition:opacity .25s ease}
.chip.show{opacity:.92}

/* placed items */
/* outlines, not borders, so the box measured on screen is exactly the box written into the PDF */
.item{position:absolute;cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none;outline:1.5px dashed transparent;outline-offset:3px;border-radius:2px}
.item:hover{outline-color:rgba(42,75,176,.5)}
.item.sel{outline:1.5px solid #2A4BB0;cursor:grabbing}
.item:focus-visible{outline:2.5px solid #2A4BB0;outline-offset:3px}
.item img{width:100%;height:100%;pointer-events:none;-webkit-user-drag:none}
.item .tx{display:block;white-space:pre;line-height:1.25;padding:0 .08em;pointer-events:none}
.item .bl{display:inline-block;width:0;height:0;vertical-align:baseline}
/* a larger invisible hit area, so a 12 pt date on a phone (about 7 px tall) can still be picked up with a finger */
.item::before{content:"";position:absolute;inset:-14px -10px}
.grip{position:absolute;right:-36px;bottom:-36px;width:44px;height:44px;display:none;place-items:center;cursor:nwse-resize;touch-action:none;z-index:2}
.grip::after{content:"";width:16px;height:16px;border-radius:50%;background:#fff;border:2px solid #2A4BB0;box-shadow:0 1px 3px rgba(12,24,68,.3)}
.item.sel .grip{display:grid}
.itembar{position:absolute;left:50%;bottom:calc(100% + 10px);transform:translateX(-50%);display:none;gap:2px;padding:4px;background:#0C1844;border-radius:999px;box-shadow:0 6px 18px rgba(12,24,68,.3);white-space:nowrap;z-index:5}
.item.sel .itembar{display:flex}
.item.below .itembar{bottom:auto;top:calc(100% + 10px)}
.itembar button{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:6px 14px;border:0;border-radius:999px;background:transparent;color:#fff;font-weight:700;font-size:var(--fs-0);cursor:pointer}
.itembar button:hover{background:rgba(255,255,255,.14)}
.itembar svg{width:18px;height:18px}

/* phone and tablet workspace */
.dock{display:none}
@media (max-width:999px){
  .body{grid-template-columns:minmax(0,1fr)}
  .thumbs{display:none}
}
@media (max-width:900px){
  .bar-row{min-height:60px}
  .bar .tools,.bar .bar-sep,.bar .btn-primary,.note-row{display:none}
  .body{padding-top:var(--s3);padding-bottom:calc(var(--dock-h,150px) + var(--s4))}
  .pages{gap:var(--s4)}
  .dock{display:block;position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--bg);border-top:1px solid var(--line);padding:10px max(var(--s2),env(safe-area-inset-left,0px)) calc(10px + env(safe-area-inset-bottom,0px));box-shadow:0 -8px 24px rgba(12,24,68,.08)}
  .dock .tools{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
  .dock .tool{flex-direction:column;gap:2px;min-height:56px;padding:6px 4px;font-size:var(--fs-0);justify-content:center}
  .dock .note{margin:8px auto 10px;text-align:center;max-width:60ch}
  .dock .btn-primary{width:100%}
}
@media (min-width:601px) and (max-width:900px){
  .dock{padding-left:max(var(--s3),env(safe-area-inset-left,0px));padding-right:max(var(--s3),env(safe-area-inset-right,0px))}
  .dock .tools,.dock .btn-primary{max-width:560px;margin-left:auto;margin-right:auto}
  .dock .btn-primary{display:flex}
}

/* dialogs */
dialog{border:0;padding:0;border-radius:var(--radius-lg);background:var(--surface);color:var(--text);box-shadow:0 24px 64px rgba(12,24,68,.35);max-width:min(640px,calc(100vw - 32px));width:100%;max-height:calc(100dvh - 32px);overflow:auto;overscroll-behavior:contain}
.dlg-foot{position:sticky;bottom:0;background:var(--surface);padding:var(--s2) 0 var(--s4);margin-bottom:calc(-1 * var(--s4))}
@media (max-height:820px) and (min-width:601px){.pad{height:180px}.fopt .fprev{font-size:36px;min-height:46px}.fopt{padding:8px 16px}.dlg{gap:var(--s2)}}
dialog::backdrop{background:rgba(8,13,38,.55)}
.dlg{display:grid;gap:var(--s3);padding:var(--s4)}
.dlg-head{display:flex;align-items:center;justify-content:space-between;gap:var(--s2)}
.dlg-head h2{font-size:var(--fs-3)}
.x{display:grid;place-items:center;width:44px;height:44px;border:0;border-radius:50%;background:transparent;cursor:pointer;color:var(--text)}
.x:hover{background:color-mix(in srgb,var(--accent) 10%,transparent)}
.x svg{width:22px;height:22px}
.dlg-foot{display:flex;justify-content:flex-end;gap:var(--s2);flex-wrap:wrap}
.again{display:flex;align-items:center;gap:var(--s2);padding:12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-2)}
.again-img{flex:1 1 auto;min-width:0;height:56px;display:grid;place-items:center start;background:#fff;border-radius:6px;padding:4px 12px;overflow:hidden}
.again-img img{max-height:48px;width:auto}
.again-img span{font-size:30px;line-height:1;white-space:nowrap}
.tabs{display:flex;gap:4px;padding:4px;background:var(--surface-2);border-radius:999px;border:1px solid var(--line)}
.tabs button{flex:1;min-height:44px;border:0;border-radius:999px;background:transparent;font-weight:700;font-size:var(--fs-1);cursor:pointer;color:var(--muted)}
.tabs button[aria-selected="true"]{background:var(--surface);color:var(--text);box-shadow:0 1px 4px rgba(12,24,68,.14)}
:root[data-theme="dark"] .tabs button[aria-selected="true"]{background:#1B2659}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .tabs button[aria-selected="true"]{background:#1B2659}}
.pane{display:grid;gap:var(--s2)}
.pad-wrap{position:relative;background:#fff;border:1px solid var(--line-strong);border-radius:var(--radius);overflow:hidden}
.pad{display:block;width:100%;height:220px;touch-action:none;cursor:crosshair}
.pad-line{position:absolute;left:24px;right:24px;bottom:52px;border-bottom:1.5px solid #C5CCDC;pointer-events:none}
.pad-hint{position:absolute;left:24px;bottom:20px;font-size:var(--fs-0);color:#6B7590;pointer-events:none}
.row{display:flex;align-items:center;justify-content:space-between;gap:var(--s2);flex-wrap:wrap}
.row-l{display:flex;gap:4px}
label.fld{display:grid;gap:6px;font-weight:700;font-size:1rem}
.inp{width:100%;min-height:48px;padding:10px 14px;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--surface);font-size:var(--fs-1);color:var(--text)}
.inp:focus{outline:3px solid var(--focus);outline-offset:1px}
.fonts{display:grid;gap:var(--s1);border:0;padding:0;margin:0}
.fonts legend{font-weight:700;font-size:1rem;margin-bottom:6px;padding:0}
.fopt{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;align-items:center;padding:10px 16px;border:1.5px solid var(--line-strong);border-radius:var(--radius);background:#fff;color:#0C1844;cursor:pointer}
.fopt:has(input:checked){border-color:#2A4BB0;box-shadow:0 0 0 3px rgba(42,75,176,.18)}
.fopt input{width:20px;height:20px;accent-color:#2A4BB0;margin:0;color-scheme:light}
.pad-wrap,.fopt,.again-img,.up.has{color-scheme:light}
.fopt .fname{font-size:1rem;color:#46506B}
.fopt .fprev{grid-column:1/-1;font-size:44px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:clip;min-height:56px}
.up{display:grid;place-items:center;gap:12px;min-height:220px;padding:var(--s3);border:2px dashed var(--line-strong);border-radius:var(--radius);background:var(--surface-2);text-align:center}
.up.has{background:#fff;border-style:solid}
.up img{max-height:160px;width:auto}
.up-help{font-size:var(--fs-0);color:var(--muted);max-width:40ch}
.check{display:flex;gap:10px;align-items:center;font-size:1rem;font-weight:700;cursor:pointer;min-height:44px}
.check input{width:20px;height:20px;accent-color:#2A4BB0;margin:0}
.inks{display:flex;align-items:center;gap:6px;border:0;padding:0;margin:0}
.inks legend{float:left;font-weight:700;font-size:1rem;margin-right:8px;padding:0}
.ink{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:4px 12px 4px 6px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;font-size:1rem}
@media (max-width:420px){.inks{gap:2px}.ink{padding-right:8px;gap:6px}}
.ink input{position:absolute;opacity:0;width:1px;height:1px}
.ink i{width:24px;height:24px;border-radius:50%;box-shadow:inset 0 0 0 2px rgba(255,255,255,.7),0 0 0 1px var(--line-strong)}
.ink:has(input:checked){border-color:var(--accent);font-weight:700}
.ink:has(input:focus-visible){outline:3px solid var(--focus);outline-offset:2px}
.dlg-msg{font-size:var(--fs-0);color:var(--danger)}
@media (max-width:600px){
  dialog{max-width:100vw;width:100vw;max-height:100dvh;height:100dvh;border-radius:0;margin:0}
  .dlg{padding:var(--s3) var(--s2);min-height:100%;display:flex;flex-direction:column;gap:var(--s3)}
  .dlg-foot{position:sticky;bottom:0;margin-top:auto;margin-bottom:0;background:var(--surface);padding-top:var(--s2);padding-bottom:env(safe-area-inset-bottom,0px)}
  .dlg-foot .btn{flex:1}
  .pad{height:min(320px,40dvh)}
  .fopt .fprev{font-size:38px}
  dialog.small{height:auto;max-height:none;margin:auto 0 0;border-radius:var(--radius-lg) var(--radius-lg) 0 0}
  dialog.small .dlg{min-height:0}
}

/* status toast */
.toast{position:fixed;left:50%;top:20px;transform:translate(-50%,-12px);z-index:60;max-width:min(560px,calc(100vw - 32px));background:var(--navy);color:#fff;padding:12px 20px;border-radius:var(--radius);box-shadow:var(--shadow);font-size:var(--fs-0);opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease}
.toast.show{opacity:1;transform:translate(-50%,0)}
:root[data-theme="dark"] .toast{background:#1B2659}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .toast{background:#1B2659}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
/* touch screens: no hover colours left behind after a tap */
@media (hover:none){
  .tool:hover,.btn-quiet:hover,.x:hover,.itembar button:hover{background:transparent}
  .btn-line:hover{border-color:var(--line-strong);color:var(--text)}
  .btn-primary:hover{background:var(--action)}
  .btn-navy:hover{background:var(--text);color:var(--bg)}
  .item:hover{outline-color:transparent}
  .item.sel:hover{outline-color:#2A4BB0}
}