/* PDF Studio workspace — loaded only on the PDF Studio page (layout.php). Design tokens come from app.css. */
.hero--studio{padding-bottom:4px}
.hero--studio .lead{margin-bottom:10px}
.st-eyebrow{display:inline-flex;align-items:center;gap:4px;margin-bottom:10px}
.st-wrap{width:100%;max-width:1540px;margin:0 auto;padding:0 12px}
.tool.studio{max-width:none;padding:12px;--st-h:max(540px,calc(100vh - 168px))}
/* empty state / drop zone */
.st-drop{min-height:360px}
.st-drop__badge{width:74px;height:74px;border-radius:22px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#7C3AED,#2563EB 55%,#06B6D4);box-shadow:0 16px 34px -14px rgba(79,70,229,.9)}
.st-drop__badge svg{width:38px;height:38px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.st-feats{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;list-style:none;margin:8px 0 0;padding:0;max-width:780px}
.st-feats li{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;font-weight:650;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 11px}
.st-feats svg{width:14px;height:14px;color:var(--b-600);stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
/* grid */
.tool.studio.has-files .tool-body.st-body{display:grid;grid-template-columns:172px minmax(0,1fr) 312px;grid-template-areas:"top top top" "rail canvas side";gap:10px}
/* toolbar */
.st-top{grid-area:top;display:flex;align-items:stretch;justify-content:space-between;gap:6px;background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:14px;padding:5px;overflow-x:auto;scrollbar-width:thin}
.st-tools{display:flex;gap:2px;align-items:stretch;flex:none}
.st-tb{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-width:56px;padding:6px 5px 5px;border:1px solid transparent;border-radius:10px;background:none;font:inherit;font-size:.69rem;font-weight:650;color:var(--ink-2);cursor:pointer;white-space:nowrap;line-height:1.1;-webkit-tap-highlight-color:transparent}
.st-tb svg{width:20px;height:20px}
.st-tb:hover{background:var(--b-50);color:var(--ink)}
.st-tb[aria-pressed=true]{background:linear-gradient(180deg,#EFF6FF,#E0F2FE);border-color:var(--b-200);color:var(--b-700)}
.st-tb:disabled{opacity:.35;cursor:default;background:none}
.st-tb--sq{min-width:38px}
.st-sep{width:1px;background:var(--line);margin:6px 4px;flex:none}
.st-zoom{align-self:center;font-family:var(--mono);font-size:.76rem;min-width:46px;text-align:center;color:var(--ink-2)}
/* page rail */
.st-rail{grid-area:rail;display:flex;flex-direction:column;min-height:0;height:var(--st-h);background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.st-rail__head{display:flex;flex-direction:column;gap:6px;padding:8px;border-bottom:1px solid var(--line-2)}
.st-rail__count{font-size:.76rem;color:var(--muted);font-weight:650;text-align:center;min-height:1.2em}
.st-rail__head .btn{width:100%;gap:6px}
.st-rail__head .btn svg{width:16px;height:16px}
.st-rail__up{padding:6px 8px;border-bottom:1px solid var(--line-2);display:grid;gap:7px}
.st-rail__up:empty{display:none}
.st-up{font-size:.72rem;color:var(--muted);min-width:0}
.st-up b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ink-2);font-weight:650}
.st-up i{display:block;height:4px;border-radius:4px;background:var(--line-2);overflow:hidden;margin-top:3px}
.st-up i::before{content:"";display:block;height:100%;width:var(--p,0%);background:var(--grad);transition:width .2s}
.st-up.is-error{color:var(--danger)}
.st-thumbs{list-style:none;margin:0;padding:10px 14px 16px;overflow:auto;flex:1;display:flex;flex-direction:column;gap:14px;scrollbar-width:thin}
.st-th{position:relative;flex:none;cursor:pointer;user-select:none;-webkit-user-select:none;touch-action:pan-y;outline:none}
.st-th__img{position:relative;width:100%;background:#fff;border:1px solid var(--line);border-radius:5px;overflow:hidden;box-shadow:0 2px 8px -4px rgba(16,39,92,.28);transition:box-shadow .12s,border-color .12s}
.st-th__img img{position:absolute;left:50%;top:50%;max-width:none;pointer-events:none;transition:transform .2s}
.st-th.is-blank .st-th__img{display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:.7rem;background:repeating-linear-gradient(45deg,#fff,#fff 6px,#F6F9FF 6px,#F6F9FF 12px)}
.st-th__n{display:block;text-align:center;font-size:.72rem;color:var(--muted);margin-top:3px;font-variant-numeric:tabular-nums}
.st-th__dot{position:absolute;top:5px;left:5px;width:9px;height:9px;border-radius:50%;box-shadow:0 0 0 2px #fff;display:none}
.st-multi .st-th__dot{display:block}
.st-th:hover .st-th__img{border-color:var(--b-200)}
.st-th.is-active .st-th__img{border-color:var(--b-500);box-shadow:0 0 0 2px rgba(59,130,246,.38)}
.st-th.is-active .st-th__n{color:var(--b-700);font-weight:750}
.st-th.is-picked .st-th__img{border-color:var(--violet);box-shadow:0 0 0 3px rgba(99,102,241,.38)}
.st-th.is-picked::after{content:"✓";position:absolute;top:4px;right:4px;width:18px;height:18px;border-radius:50%;background:var(--grad);color:#fff;font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center}
.st-th:focus-visible .st-th__img{outline:3px solid var(--cyan);outline-offset:2px}
.st-th__acts{position:absolute;left:3px;right:3px;bottom:24px;display:flex;justify-content:center;gap:3px;opacity:0;transition:opacity .12s}
.st-th:hover .st-th__acts,.st-th:focus-within .st-th__acts{opacity:1}
.st-th__acts button{width:26px;height:26px;border-radius:7px;border:1px solid var(--line);background:rgba(255,255,255,.96);color:var(--ink-2);display:flex;align-items:center;justify-content:center;padding:0;cursor:pointer}
.st-th__acts button svg{width:14px;height:14px}
.st-th__acts button:hover{border-color:var(--b-400);color:var(--b-700)}
.st-th__acts button[data-pa=del]:hover{border-color:#FECACA;color:var(--danger)}
.st-th.is-drag{z-index:5;opacity:.92}
.st-th.is-drag .st-th__img{box-shadow:0 18px 36px -12px rgba(16,39,92,.5)}
@media(hover:none){.st-th__acts{opacity:1}}
/* canvas */
.st-canvas{grid-area:canvas;position:relative;height:var(--st-h);overflow:auto;background:radial-gradient(900px 300px at 50% 0,rgba(37,99,235,.07),transparent 70%),#E8EFF9;border:1px solid var(--line);border-radius:14px;padding:30px 22px 40px;scrollbar-width:thin;direction:ltr;outline:none}
.st-pages{display:block}
.st-page{position:relative;margin:0 auto 36px;background:#fff;border-radius:2px;box-shadow:0 1px 2px rgba(16,39,92,.08),0 12px 32px -12px rgba(16,39,92,.38);touch-action:pan-x pan-y;transition:box-shadow .15s}
.st-canvas.is-drawing .st-page{touch-action:none;cursor:crosshair}
.st-page.is-active{box-shadow:0 0 0 2px rgba(59,130,246,.5),0 12px 32px -12px rgba(16,39,92,.38)}
.st-page>img{position:absolute;left:50%;top:50%;max-width:none;height:auto;pointer-events:none;user-select:none;-webkit-user-select:none}
.st-page__lbl{position:absolute;top:-21px;left:0;font-size:.72rem;color:var(--muted);font-family:var(--mono);white-space:nowrap}
.st-prev{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.st-wm{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) rotate(-45deg);font-weight:700;white-space:nowrap;font-family:"DejaVu Sans",Arial,sans-serif;line-height:1}
.st-num{position:absolute;white-space:nowrap;color:#111827;font-family:"DejaVu Sans",Arial,sans-serif;line-height:1}
.st-page .ed-obj{touch-action:none}
.st-page .ed-obj.highlight{mix-blend-mode:multiply}
.st-page .ed-obj.highlight .body{border-radius:1px}
.st-page .ed-obj .txt{white-space:pre}
.st-empty{max-width:420px;margin:70px auto;text-align:center;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:10px}
.st-empty[hidden]{display:none}
.st-empty svg{width:40px;height:40px;stroke:currentColor;fill:none;stroke-width:1.6}
/* side panel */
.st-side{grid-area:side;height:var(--st-h);overflow:auto;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 12px 0;display:flex;flex-direction:column;gap:10px;scrollbar-width:thin}
.st-props{display:flex;flex-direction:column;gap:10px}
.st-props:empty{display:none}
.st-sec{border:1px solid var(--line-2);border-radius:12px;padding:10px 12px;background:linear-gradient(180deg,#FAFCFF,#fff)}
.st-sec__h{display:flex;align-items:center;gap:7px;font-weight:750;font-size:.9rem;margin-bottom:6px;min-width:0}
.st-sec__h svg{width:17px;height:17px;color:var(--b-600);flex:none}
.st-ctl{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:7px 0;font-size:.82rem;color:var(--ink-2);font-weight:600}
.st-ctl select,.st-ctl input[type=number]{font:inherit;font-size:.84rem;padding:5px 7px;border:1px solid var(--line);border-radius:8px;background:#fff;width:116px}
.st-ctl input[type=color]{width:42px;height:30px;border:1px solid var(--line);border-radius:8px;padding:1px;background:#fff;vertical-align:middle;cursor:pointer}
.st-ctl input[type=range]{width:132px;accent-color:var(--b-600)}
.st-ctl input[type=checkbox]{width:17px;height:17px;accent-color:var(--b-600);vertical-align:middle}
.st-tog{width:34px;height:30px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;font:inherit;color:var(--ink-2)}
.st-tog[aria-pressed=true]{background:var(--b-50);border-color:var(--b-400);color:var(--b-700)}
.st-sw{display:flex;gap:6px}
.st-sw button{width:24px;height:24px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--line);cursor:pointer;padding:0}
.st-sw button[aria-pressed=true]{box-shadow:0 0 0 2px var(--b-600)}
.st-grid2{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin:8px 0 6px}
.st-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:10px}
.st-btn{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;border:1px solid var(--line);background:#fff;border-radius:9px;padding:7px 8px;font:inherit;font-size:.78rem;font-weight:650;color:var(--ink-2);cursor:pointer;min-height:36px;text-align:center;line-height:1.15}
.st-btn svg{width:15px;height:15px;flex:none}
.st-btn:hover{border-color:var(--b-400);color:var(--b-700);background:var(--b-50)}
.st-btn--danger{color:var(--danger);border-color:#FECACA}
.st-btn--danger:hover{background:var(--danger-50);border-color:var(--danger);color:var(--danger)}
.st-hint{font-size:.78rem;color:var(--muted);margin:8px 0 0;line-height:1.45}
.st-hint--top{margin:0 0 4px}
.st-src{font-size:.8rem;color:var(--muted);margin:-2px 0 4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.st-files{list-style:none;margin:0 0 8px;padding:0;display:grid;gap:6px}
.st-files li{display:flex;align-items:center;gap:7px;font-size:.8rem;min-width:0}
.st-files i{flex:none;width:9px;height:9px;border-radius:50%}
.st-files span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600;color:var(--ink-2)}
.st-files small{color:var(--muted);white-space:nowrap}
.st-find{display:flex;gap:6px}
.st-find input{flex:1;min-width:0;font:inherit;font-size:.84rem;padding:7px 9px;border:1px solid var(--line);border-radius:9px}
/* export settings */
.st-export{border:1px solid var(--line-2);border-radius:12px;background:#fff}
.st-export>summary{list-style:none;display:flex;align-items:center;gap:7px;font-weight:750;font-size:.9rem;padding:10px 12px;cursor:pointer;-webkit-user-select:none;user-select:none}
.st-export>summary::-webkit-details-marker{display:none}
.st-export>summary svg{width:17px;height:17px;color:var(--b-600);stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.st-export>summary::after{content:"▾";margin-inline-start:auto;color:var(--muted);transition:transform .15s}
.st-export:not([open])>summary::after{transform:rotate(-90deg)}
.st-export form{padding:0 12px 4px}
.st-export .opt{margin-bottom:11px}
.st-export .opt>label,.st-export .opt>.lbl{font-size:.8rem;margin-bottom:4px}
.st-export .opt input[type=text],.st-export .opt input[type=password],.st-export .opt input[type=number],.st-export .opt select{min-height:36px;padding:6px 9px;font-size:.86rem}
.st-export .choices.inline{grid-template-columns:repeat(3,1fr);gap:6px}
.st-export .choices.inline .choice{padding:7px 4px;font-size:.78rem}
.st-export .check{font-size:.85rem;font-weight:650}
.st-export .posgrid{grid-template-columns:repeat(3,32px)}
.st-export .posgrid label{width:32px;height:32px}
.st-export .posgrid label.dis{height:4px}
.st-go [hidden]{display:none!important}
.st-go{position:sticky;bottom:0;margin:auto -12px 0;padding:12px;background:linear-gradient(180deg,rgba(255,255,255,.88),#fff 35%);border-top:1px solid var(--line-2);display:grid;gap:8px;z-index:2}
.st-go .btn-lg{width:100%}
.st-go .btn-soft{width:100%;font-size:.86rem}
.st-go .sum{font-size:.8rem;color:var(--muted);text-align:center;margin:0}
.st-done{list-style:none;padding:0;margin:0 0 6px;display:flex;flex-wrap:wrap;gap:6px;justify-content:center}
.st-done li{font-size:.84rem;font-weight:650;background:var(--b-50);color:var(--b-800);border:1px solid var(--b-100);border-radius:999px;padding:4px 10px}
/* responsive */
@media(max-width:1180px){
  .tool.studio.has-files .tool-body.st-body{grid-template-columns:150px minmax(0,1fr);grid-template-areas:"top top" "rail canvas" "side side"}
  .st-side{height:auto;overflow:visible;display:grid;grid-template-columns:1fr 1fr;align-items:start;padding-bottom:12px}
  .st-go{position:static;margin:0;border:1px solid var(--line-2);border-radius:12px}
}
@media(max-width:720px){
  .st-wrap{padding:0 6px}
  .tool.studio{padding:8px;--st-h:68vh}
  .tool.studio.has-files .tool-body.st-body{grid-template-columns:minmax(0,1fr);grid-template-areas:"top" "rail" "canvas" "side"}
  .st-side{display:flex}
  .st-rail{height:auto}
  .st-rail__head{flex-direction:row;align-items:center}
  .st-rail__head .btn{width:auto;margin-inline-start:auto}
  .st-thumbs{flex-direction:row;overflow-x:auto;overflow-y:hidden;padding:10px 12px}
  .st-th{width:62px;touch-action:pan-x}
  .st-th__acts{display:none}
  .st-tb span{display:none}
  .st-tb{min-width:42px;padding:8px}
  .st-canvas{padding:24px 8px 30px}
  .st-drop{min-height:300px}
}
[dir=rtl] .st-canvas,[dir=rtl] .st-thumbs{direction:ltr}
/* Edit existing text + OCR. The 'SP …' faces are the fonts the export embeds (metric-compatible with Arial/Helvetica,
   Times New Roman, Courier New, Calibri and Cambria), so replaced text has the same width on screen and in the PDF. */
@font-face{font-family:'SP Arial';src:url(../fonts/LiberationSans-Regular.ttf) format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'SP Arial';src:url(../fonts/LiberationSans-Bold.ttf) format('truetype');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'SP Arial';src:url(../fonts/LiberationSans-Italic.ttf) format('truetype');font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:'SP Arial';src:url(../fonts/LiberationSans-BoldItalic.ttf) format('truetype');font-weight:700;font-style:italic;font-display:swap}
@font-face{font-family:'SP Times';src:url(../fonts/LiberationSerif-Regular.ttf) format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'SP Times';src:url(../fonts/LiberationSerif-Bold.ttf) format('truetype');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'SP Times';src:url(../fonts/LiberationSerif-Italic.ttf) format('truetype');font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:'SP Times';src:url(../fonts/LiberationSerif-BoldItalic.ttf) format('truetype');font-weight:700;font-style:italic;font-display:swap}
@font-face{font-family:'SP Courier';src:url(../fonts/LiberationMono-Regular.ttf) format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'SP Courier';src:url(../fonts/LiberationMono-Bold.ttf) format('truetype');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'SP Courier';src:url(../fonts/LiberationMono-Italic.ttf) format('truetype');font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:'SP Courier';src:url(../fonts/LiberationMono-BoldItalic.ttf) format('truetype');font-weight:700;font-style:italic;font-display:swap}
@font-face{font-family:'SP Calibri';src:url(../fonts/Carlito-Regular.ttf) format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'SP Calibri';src:url(../fonts/Carlito-Bold.ttf) format('truetype');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'SP Calibri';src:url(../fonts/Carlito-Italic.ttf) format('truetype');font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:'SP Calibri';src:url(../fonts/Carlito-BoldItalic.ttf) format('truetype');font-weight:700;font-style:italic;font-display:swap}
@font-face{font-family:'SP Cambria';src:url(../fonts/Caladea-Regular.ttf) format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'SP Cambria';src:url(../fonts/Caladea-Bold.ttf) format('truetype');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'SP Cambria';src:url(../fonts/Caladea-Italic.ttf) format('truetype');font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:'SP Cambria';src:url(../fonts/Caladea-BoldItalic.ttf) format('truetype');font-weight:700;font-style:italic;font-display:swap}
.st-covs,.st-tl{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.st-covs i{position:absolute;display:block}
.st-tl b{position:absolute;border-radius:2px;background:rgba(37,99,235,.045);box-shadow:inset 0 0 0 1px rgba(37,99,235,.32);transition:background .1s,box-shadow .1s}
.st-tl b.ocr{background:rgba(16,185,129,.05);box-shadow:inset 0 0 0 1px rgba(16,185,129,.45)}
.st-tl b.hov{background:rgba(37,99,235,.13);box-shadow:inset 0 0 0 1.5px rgba(37,99,235,.85)}
.st-tl b.ocr.hov{background:rgba(16,185,129,.14);box-shadow:inset 0 0 0 1.5px rgba(5,150,105,.9)}
.st-tl__load{position:absolute;left:50%;top:18px;width:22px;height:22px;margin-left:-11px;border-radius:50%;border:2.5px solid rgba(37,99,235,.2);border-top-color:var(--b-600);animation:stspin .8s linear infinite}
@keyframes stspin{to{transform:rotate(360deg)}}
.st-canvas.is-edittext .st-page{cursor:text}
.st-canvas.is-edittext .ed-obj.is-edit{outline:1px dashed rgba(37,99,235,.55)}
.st-canvas.is-edittext .ed-obj.is-edit.on{outline:1.5px solid var(--b-500)}
.ed-obj.is-edit.is-empty .txt{min-width:14px;min-height:1em;background:repeating-linear-gradient(45deg,rgba(239,68,68,.16) 0 4px,transparent 4px 8px)}
.st-probe{position:absolute;left:-9999px;top:0;visibility:hidden;pointer-events:none}
.st-probe .txt{white-space:pre;line-height:1.2;padding:0;margin:0}
.st-probe .txt span{display:inline-block;width:0;height:0}
.st-det{font-size:.82rem;color:var(--ink-2);background:var(--b-50);border:1px solid var(--line-2);border-radius:9px;padding:7px 10px;margin:0 0 10px;line-height:1.4}
.st-tb[data-tool=edittext] svg,.st-tb[data-tool=ocr] svg{color:var(--b-600)}