/* Educativz PDF Editor: editor layout (toolbar top, thumbnails left, canvas centre, properties right; phone = bottom toolbar) */
.pe-shell{--pe-h:min(82vh,960px);position:relative;display:grid;grid-template-rows:auto 1fr;grid-template-columns:minmax(0,1fr);height:var(--pe-h);background:#e5e5ea;border-radius:var(--r);overflow:hidden;box-shadow:inset 0 0 0 1px #d2d2d7;user-select:none;-webkit-user-select:none;touch-action:none}
.pe-shell.full{position:fixed;inset:0;z-index:2000;height:auto;border-radius:0}
.pe-shell[hidden]{display:none}
body.pe-fullscreen{overflow:hidden}
/* toolbar */
.pe-bar{display:flex;align-items:center;gap:6px;padding:6px 10px;min-width:0;background:#fff;border-bottom:1px solid #d2d2d7;z-index:3;min-height:56px}
.pe-tools{flex:1;min-width:0;display:flex;flex-wrap:wrap;gap:4px 6px;align-items:center}
.pe-grp{display:flex;gap:4px;align-items:center;padding:0 6px;border-right:1px solid #e8e8ed;flex:none}
.pe-grp:last-child{border-right:0}
.pe-fixed{flex:none;display:flex;gap:6px;align-items:center;padding-left:10px;border-left:1px solid #e8e8ed;margin-left:auto}
.pe-fixed .hint{white-space:nowrap;max-width:120px;overflow:hidden;text-overflow:ellipsis}
.pe-more{display:none;flex:none;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink);font:700 20px/1 var(--ez-font);cursor:pointer;padding:0 0 2px}
.pe-more[hidden]{display:none}
.pe-t{font:inherit;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-width:48px;height:46px;padding:0 6px;border:0;border-radius:12px;background:transparent;color:var(--ink);cursor:pointer;font-size:.68rem;font-weight:600;line-height:1;white-space:nowrap;transition:background .15s,transform .08s;touch-action:manipulation}
.pe-t i{font-style:normal;font-size:1.15rem;line-height:1}
.pe-t:hover{background:var(--mist)}
.pe-t[aria-pressed=true]{background:var(--g);color:#fff}
.pe-t:active{transform:scale(.94)}
.pe-t[disabled]{opacity:.35;cursor:not-allowed}
.pe-t.go{background:var(--amber);color:#1d1d1f;flex-direction:row;gap:6px;padding:0 14px;font-size:.85rem;box-shadow:0 3px 0 var(--amber-d)}
.pe-t.go:active{transform:translateY(2px);box-shadow:0 1px 0 var(--amber-d)}
/* body */
.pe-body{display:grid;grid-template-columns:auto 1fr auto;min-height:0}
.pe-side{width:150px;background:#f5f5f7;border-right:1px solid #d2d2d7;overflow-y:auto;overflow-x:hidden;padding:10px 8px;display:flex;flex-direction:column;gap:10px;scrollbar-width:thin}
.pe-side[hidden]{display:none}
.pe-th{position:relative;border-radius:10px;padding:6px 6px 4px;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.12);cursor:grab;text-align:center;transition:box-shadow .15s,transform .15s}
.pe-th.cur{box-shadow:0 0 0 3px var(--g)}
.pe-th.drag{opacity:.4}
.pe-th.over{transform:translateY(6px)}
.pe-th canvas,.pe-th .blank{display:block;margin:0 auto;max-width:100%;background:#fff;box-shadow:0 0 0 1px #e5e5ea;border-radius:2px}
.pe-th .blank{width:92px;height:120px}
.pe-th .n{display:block;font:600 11px var(--mono);color:var(--ink2);margin-top:4px}
.pe-th .sel{position:absolute;left:6px;top:6px;width:18px;height:18px;margin:0;accent-color:var(--g)}
.pe-th .acts{display:flex;justify-content:center;gap:2px;margin-top:2px}
.pe-th .acts button{font:inherit;border:0;background:transparent;width:30px;height:28px;border-radius:8px;cursor:pointer;font-size:.9rem;color:var(--ink)}
.pe-th .acts button:hover{background:var(--mist)}
.pe-side .addp{font:inherit;font-weight:600;font-size:.8rem;border:1px dashed #c7c7cc;background:transparent;border-radius:10px;padding:10px;cursor:pointer;color:var(--ink2)}
.pe-side .addp:hover{border-color:var(--g);color:var(--g)}
/* canvas area */
.pe-view{position:relative;overflow:auto;background:#e5e5ea;padding:18px;scroll-behavior:auto;-webkit-overflow-scrolling:touch}
.pe-view.tool-text,.pe-view.tool-date,.pe-view.tool-check,.pe-view.tool-cross,.pe-view.tool-image,.pe-view.tool-sign,.pe-view.tool-edit{cursor:text}
.pe-view.tool-pen{cursor:crosshair}
.pe-view.tool-rect,.pe-view.tool-ellipse,.pe-view.tool-line,.pe-view.tool-arrow,.pe-view.tool-whiteout,.pe-view.tool-highlight,.pe-view.tool-underline,.pe-view.tool-strike,.pe-view.tool-crop{cursor:crosshair}
.pe-pages{display:flex;flex-direction:column;align-items:center;gap:18px;min-width:min-content}
.pe-page{position:relative;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.18);overflow:hidden;flex:none}
.pe-page.cur{box-shadow:0 2px 12px rgba(0,0,0,.18),0 0 0 2px var(--g)}
.pe-inner{position:absolute;left:0;top:0}
.pe-cv{display:block;position:absolute;left:0;top:0}
.pe-fields{position:absolute;left:0;top:0;width:100%;height:100%}
.pe-fields .f{position:absolute;box-sizing:border-box;font:inherit;background:rgba(0,102,204,.08);border:1px solid rgba(0,102,204,.35);border-radius:2px;padding:0 3px;min-height:0;color:#000;outline-offset:0}
.pe-fields .f:focus{background:#fff;border-color:var(--g);box-shadow:0 0 0 2px rgba(10,143,85,.25)}
.pe-fields input[type=checkbox].f,.pe-fields input[type=radio].f{accent-color:#000;padding:0;background:transparent;border:1px solid rgba(0,102,204,.35)}
.pe-fields select.f{padding:0 2px}
.pe-fields textarea.f{resize:none;line-height:1.2}
.pe-ov{position:absolute;left:0;top:0;overflow:visible}
.pe-ov [data-id]{cursor:move}
.pe-ov text{white-space:pre}
.pe-ov .hl{mix-blend-mode:multiply}
.pe-ov .tx{fill:transparent;stroke:none}
.pe-view.tool-select .pe-ov [data-id]:hover{outline:1px dashed var(--sky)}
.pe-ov .tr{fill:rgba(0,102,204,0);cursor:text}
.pe-view.tool-edit .pe-ov .tr:hover,.pe-view.tool-highlight .pe-ov .tr:hover,.pe-view.tool-underline .pe-ov .tr:hover,.pe-view.tool-strike .pe-ov .tr:hover{fill:rgba(0,102,204,.15);outline:1px solid rgba(0,102,204,.5)}
/* selection */
.pe-selbox{position:absolute;border:1.5px solid var(--sky);pointer-events:none;box-sizing:border-box}
.pe-h{position:absolute;width:14px;height:14px;background:#fff;border:2px solid var(--sky);border-radius:50%;pointer-events:auto;transform:translate(-50%,-50%);touch-action:none}
.pe-h.nw{cursor:nwse-resize}.pe-h.se{cursor:nwse-resize}.pe-h.ne{cursor:nesw-resize}.pe-h.sw{cursor:nesw-resize}
.pe-h.e,.pe-h.w{cursor:ew-resize}.pe-h.n,.pe-h.s{cursor:ns-resize}
.pe-rub{position:absolute;border:1.5px dashed var(--sky);background:rgba(0,102,204,.08);pointer-events:none}
.pe-edit{position:absolute;margin:0;padding:0;border:1.5px solid var(--sky);background:rgba(255,255,255,.75);resize:none;overflow:hidden;outline:none;box-shadow:0 4px 16px rgba(0,0,0,.2);min-height:0;border-radius:0;white-space:pre-wrap;word-break:break-word;box-sizing:content-box;color:inherit}
.pe-edit.rtl{direction:rtl;text-align:right}
/* properties */
.pe-props{width:236px;background:#fff;border-left:1px solid #d2d2d7;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:12px;scrollbar-width:thin}
.pe-props[hidden]{display:none}
.pe-props h3{margin:0;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink2)}
.pe-props label{font-size:.82rem;font-weight:600;display:block;margin-bottom:4px}
.pe-props input,.pe-props select{min-height:40px;padding:8px 10px;border-radius:10px;font-size:.92rem}
.pe-props input[type=color]{padding:2px;width:48px;height:40px;cursor:pointer}
.pe-props input[type=range]{padding:0;min-height:28px;background:transparent;accent-color:var(--g)}
.pe-props .r2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.pe-props .sw{display:flex;gap:6px;flex-wrap:wrap}
.pe-props .sw button{width:30px;height:30px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px #c7c7cc;cursor:pointer;padding:0}
.pe-props .sw button[aria-pressed=true]{box-shadow:0 0 0 2px var(--ink)}
.pe-props .tog{display:flex;gap:6px}
.pe-props .tog button{flex:1;font:inherit;font-weight:700;min-height:38px;border:1px solid var(--line);background:#fff;border-radius:10px;cursor:pointer}
.pe-props .tog button[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.pe-props .btn.sm{width:100%}
.pe-props p.hint{margin:0}
.pe-props .kbd{font:600 11px var(--mono);background:var(--mist);border-radius:6px;padding:2px 6px}
/* status + dialogs */
.pe-status{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);background:rgba(29,29,31,.92);color:#fff;padding:9px 16px;border-radius:var(--pill);font-size:.86rem;font-weight:500;pointer-events:none;opacity:0;transition:opacity .25s;z-index:5;max-width:90%;text-align:center}
.pe-status.show{opacity:1}
.pe-zoom{position:absolute;right:14px;bottom:14px;display:flex;gap:4px;background:#fff;border-radius:var(--pill);box-shadow:0 4px 14px rgba(0,0,0,.18);padding:4px;z-index:4}
.pe-zoom button{font:inherit;font-weight:700;width:38px;height:38px;border:0;background:transparent;border-radius:50%;cursor:pointer}
.pe-zoom button:hover{background:var(--mist)}
.pe-zoom .z{min-width:52px;display:grid;place-items:center;font:600 12px var(--mono)}
.pe-dlg{position:fixed;inset:0;z-index:2100;display:grid;place-items:center;background:rgba(0,0,0,.45);padding:16px}
.pe-dlg[hidden]{display:none}
.pe-dlg .card{background:#fff;border-radius:var(--r);padding:22px;width:min(560px,100%);max-height:92vh;overflow:auto;box-shadow:0 30px 60px -20px rgba(0,0,0,.5)}
.pe-dlg h3{margin:0 0 10px}
.pe-dlg .tabs{display:flex;gap:6px;margin-bottom:12px}
.pe-dlg .tabs button{font:inherit;font-weight:600;flex:1;min-height:40px;border:1px solid var(--line);background:#fff;border-radius:10px;cursor:pointer}
.pe-dlg .tabs button[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.pe-dlg canvas.sig{display:block;width:100%;height:200px;background:#fafafa;border:1px dashed #c7c7cc;border-radius:12px;touch-action:none}
.pe-dlg .typed{font-size:2.2rem;min-height:70px;display:grid;place-items:center;background:#fafafa;border-radius:12px;margin-top:10px;padding:8px;word-break:break-word}
.pe-dlg .sigfonts{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.pe-dlg .sigfonts button{font-size:1.2rem;min-height:44px;flex:1;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer}
.pe-dlg .sigfonts button[aria-pressed=true]{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.pe-dlg .row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:14px}
.pe-dlg img.up{max-width:100%;max-height:200px;display:block;margin-top:10px;background:repeating-conic-gradient(#eee 0 25%,#fff 0 50%) 0 0/16px 16px;border-radius:8px}
.pe-dlg .chk{display:flex;gap:8px;align-items:center;font-size:.9rem;font-weight:500}
.pe-dlg .chk input{width:18px;height:18px;min-height:0;padding:0;margin:0}
/* export panel */
.pe-export{display:grid;gap:12px}
.pe-export .opt{display:flex;gap:10px;align-items:flex-start;padding:12px;border:1px solid var(--line);border-radius:14px;cursor:pointer}
.pe-export .opt input{width:20px;height:20px;min-height:0;padding:0;margin:3px 0 0;flex:none}
.pe-export .opt b{display:block}
.pe-export .opt span{font-size:.86rem;color:var(--ink2)}
.pe-export .opt.dis{opacity:.5;cursor:not-allowed}
/* drop state */
#pe-start .drop{margin-top:4px}
#pe-start .restore{margin-top:12px}
.pe-help{display:none}
/* phones */
@media(max-width:899px){
  .pe-shell{--pe-h:min(88vh,900px);grid-template-rows:1fr auto}
  .pe-bar{order:2;border-top:1px solid #d2d2d7;border-bottom:0;padding:6px 6px;gap:4px}
  .pe-tools{display:grid;grid-auto-flow:column;grid-template-rows:repeat(2,auto);gap:2px 2px;align-items:stretch;overflow-x:auto;overflow-y:hidden;scrollbar-width:none;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;padding-bottom:2px}
  .pe-tools .pe-grp{display:contents}
  .pe-tools::-webkit-scrollbar{display:none}
  .pe-tools.can-scroll{-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent);mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent)}
  .pe-tools.at-end{-webkit-mask-image:none;mask-image:none}
  .pe-more{display:grid;place-items:center}
  .pe-t{min-width:46px;height:44px;font-size:.6rem;padding:0 3px;scroll-snap-align:start;gap:1px}
  .pe-t i{font-size:1.05rem}
  .pe-fixed{flex-direction:column;padding-left:6px;gap:4px;align-self:stretch;justify-content:center}
  .pe-fixed .pe-t{height:44px;width:100%}
  .pe-more{align-self:center}
  .pe-fixed .hint{display:none}
  .pe-t.go{padding:0 10px;font-size:.78rem;min-width:66px}
  .pe-body{grid-template-columns:1fr}
  .pe-side{position:absolute;left:0;top:0;bottom:var(--pe-barh,106px);z-index:4;width:132px;box-shadow:8px 0 24px -8px rgba(0,0,0,.3)}
  .pe-props{position:absolute;left:0;right:0;bottom:var(--pe-barh,106px);z-index:4;width:auto;max-height:42%;border-left:0;border-top:1px solid #d2d2d7;border-radius:18px 18px 0 0;box-shadow:0 -10px 30px -10px rgba(0,0,0,.3);padding:10px 14px 14px}
  .pe-props .grab{width:40px;height:4px;border-radius:2px;background:#c7c7cc;margin:-4px auto 2px}
  .pe-view{padding:10px}
  .pe-zoom{bottom:auto;top:10px;right:10px}
  .pe-status{bottom:auto;top:60px}
  .pe-shell.full .pe-side{bottom:var(--pe-barh,106px)}
  .pe-dlg .card{padding:16px;border-radius:18px}
}
@media(min-width:900px){.pe-props .grab{display:none}}
@media(prefers-reduced-motion:reduce){.pe-shell *{transition:none!important}}