/* pdf-studio.css — the shared PDF workspace (assets/js/pdf-studio.js):
   a tray of files or pages you can arrange, a large preview, and an options panel on
   the right. Colours come from toolkit.css tokens, so light and dark themes both work. */

.ps{--tw:150px;display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px;align-items:start;margin-top:4px}
.ps[hidden],.ps [hidden]{display:none!important}
.ps-main{min-width:0}

/* the site's tool-stage rule lets labels wrap; these are laid out on one line */
.ps .ps-chk,.ps .ps-range,.ps .ps-zoom{flex-wrap:nowrap!important}

/* ---- toolbar ---- */
.ps-bar{position:sticky;top:var(--ps-top,0px);z-index:20;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:10px 12px;
  background:var(--panel,#fff);border:1px solid var(--border,#e4e9f2);border-radius:14px;box-shadow:0 4px 14px rgba(16,24,40,.05)}
.ps-bar .grow{flex:1}
.ps-seg{display:inline-flex;padding:3px;border-radius:10px;background:var(--field,#f4f6fb);border:1px solid var(--border,#e4e9f2)}
.ps-seg button{border:none;background:none;font:inherit;font-size:13px;font-weight:700;color:var(--muted,#5a6377);padding:6px 12px;border-radius:8px;cursor:pointer}
.ps-seg button[aria-pressed="true"]{background:var(--panel,#fff);color:var(--accent-dark,#3a52c4);box-shadow:0 1px 3px rgba(16,24,40,.12)}
.ps-btn{display:inline-flex;align-items:center;gap:6px;font:inherit;font-size:13px;font-weight:700;color:var(--text,#1e2635);background:var(--panel,#fff);
  border:1px solid var(--border,#e4e9f2);border-radius:9px;padding:7px 11px;cursor:pointer;white-space:nowrap;line-height:1.1}
.ps-btn:hover:not(:disabled){border-color:var(--accent,#4f6ef7);color:var(--accent-dark,#3a52c4);background:var(--accent-soft,#eef1fe)}
.ps-btn:disabled{opacity:.45;cursor:default}
.ps-btn.icon{padding:7px 8px}
.ps-btn.danger:hover:not(:disabled){border-color:var(--danger,#e5484d);color:var(--danger,#e5484d);background:var(--danger-soft,#fdecec)}
.ps-btn svg{width:16px;height:16px;flex:none}
.ps-count{font-size:13px;color:var(--muted,#5a6377);font-weight:600}
.ps-count b{color:var(--text,#1e2635)}
.ps-zoom{display:inline-flex;align-items:center;gap:6px;color:var(--faint,#8a94a7)}
.ps-zoom input{width:90px;accent-color:var(--accent,#4f6ef7)}
.ps-menu{position:relative}
.ps-menu-list{position:absolute;top:calc(100% + 6px);left:0;z-index:30;min-width:200px;padding:6px;background:var(--panel,#fff);border:1px solid var(--border,#e4e9f2);
  border-radius:12px;box-shadow:0 14px 34px rgba(16,24,40,.16)}
.ps-menu-list[hidden]{display:none}
.ps-menu-list button{display:block;width:100%;text-align:left;font:inherit;font-size:13.5px;color:var(--text,#1e2635);background:none;border:none;padding:8px 10px;border-radius:8px;cursor:pointer}
.ps-menu-list button:hover{background:var(--field,#f4f6fb)}

/* ---- selection bar ---- */
.ps-sel{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:10px;padding:8px 12px;border-radius:12px;
  background:var(--accent-soft,#eef1fe);border:1px solid color-mix(in srgb,var(--accent,#4f6ef7) 30%,transparent);font-size:13px;font-weight:700;color:var(--accent-dark,#3a52c4)}
.ps-sel[hidden]{display:none}
.ps-sel .ps-btn{background:var(--panel,#fff)}

.ps-hint{margin:10px 2px 0;font-size:12.5px;color:var(--faint,#8a94a7)}
.ps-hint kbd{font:inherit;font-size:11.5px;font-weight:700;padding:1px 6px;border-radius:5px;border:1px solid var(--border,#e4e9f2);background:var(--field,#f4f6fb);color:var(--muted,#5a6377)}

/* ---- locked files waiting for a password ---- */
.ps-locked{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.ps-lock{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:10px 12px;border-radius:12px;border:1px solid var(--warn,#d97706);
  background:var(--warn-soft,#fef3e2);font-size:13.5px;color:var(--text,#1e2635)}
.ps-lock b{flex:1;min-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ps-lock input{font:inherit;font-size:13.5px;padding:7px 10px;border-radius:8px;border:1px solid var(--border,#e4e9f2);background:var(--panel,#fff);color:var(--text,#1e2635);width:170px}
.ps-lock .err{flex-basis:100%;color:var(--danger,#e5484d);font-size:12.5px;font-weight:600}

/* ---- the tray ---- */
.ps-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(var(--tw),1fr));gap:14px;margin-top:14px;padding-bottom:8px;user-select:none;-webkit-user-select:none}
.ps-card{position:relative;display:flex;flex-direction:column;background:var(--panel,#fff);border:1px solid var(--border,#e4e9f2);border-radius:14px;
  padding:8px;cursor:grab;transition:border-color .12s,box-shadow .12s,transform .12s,opacity .12s;touch-action:pan-y}
.ps-card:hover{border-color:var(--border-2,#cfd6e4);box-shadow:0 6px 18px rgba(16,24,40,.08)}
.ps-card.sel{border-color:var(--accent,#4f6ef7);box-shadow:0 0 0 3px var(--accent-soft,#eef1fe)}
.ps-card.dragging{opacity:.35}
.ps-card:focus-visible{outline:2px solid var(--accent,#4f6ef7);outline-offset:2px}
.ps-card::before{content:"";position:absolute;left:10px;right:10px;top:0;height:3px;border-radius:0 0 3px 3px;background:var(--fc,transparent)}
.ps-th{position:relative;aspect-ratio:3/4;border-radius:9px;background:var(--field,#f4f6fb);overflow:hidden}
.ps-th img{-webkit-user-drag:none;position:absolute;left:50%;top:50%;max-width:100%;max-height:100%;transform:translate(-50%,-50%) rotate(var(--r,0deg));
  box-shadow:0 1px 4px rgba(16,24,40,.18);background:#fff;transition:transform .18s ease}
.ps-th.turned img{max-width:133.33%;max-height:75%}
.ps-th .blank{position:absolute;inset:14% 18%;background:#fff;border:1px dashed var(--border-2,#cfd6e4);border-radius:3px;display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;color:var(--faint,#8a94a7)}
.ps-th .spin{position:absolute;left:50%;top:50%;width:22px;height:22px;margin:-11px;border-radius:50%;border:2.5px solid var(--border,#e4e9f2);border-top-color:var(--accent,#4f6ef7);animation:ps-spin .8s linear infinite}
@keyframes ps-spin{to{transform:rotate(360deg)}}
.ps-no{position:absolute;z-index:3;left:6px;top:6px;min-width:22px;height:22px;padding:0 6px;border-radius:999px;background:rgba(17,24,39,.78);color:#fff;font-size:11.5px;font-weight:800;
  display:flex;align-items:center;justify-content:center}
.ps-tag{position:absolute;z-index:3;right:6px;top:6px;padding:2px 7px;border-radius:999px;background:var(--fc,#4f6ef7);color:#fff;font-size:10.5px;font-weight:800;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ps-cap{margin-top:7px;font-size:12.5px;font-weight:700;color:var(--text,#1e2635);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ps-sub{font-size:11.5px;color:var(--muted,#5a6377);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ps-sub.warn{color:var(--warn,#d97706);white-space:normal}
.ps-range{margin-top:7px;display:flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;color:var(--muted,#5a6377)}
.ps-range input{flex:1;min-width:0;font:inherit;font-size:12.5px;font-weight:600;padding:5px 8px;border-radius:7px;border:1px solid var(--border,#e4e9f2);background:var(--field,#f4f6fb);color:var(--text,#1e2635)}
.ps-range input:focus{outline:none;border-color:var(--accent,#4f6ef7);background:var(--panel,#fff)}
.ps-range input.bad{border-color:var(--danger,#e5484d)}
.ps-acts{position:absolute;left:0;right:0;bottom:6px;display:flex;justify-content:center;gap:4px;padding:0 6px;opacity:0;transition:opacity .12s;z-index:2}
.ps-card:hover .ps-acts,.ps-card:focus-within .ps-acts,.ps-card.sel .ps-acts{opacity:1}
@media (hover:none){.ps-acts{opacity:1}}
.ps-acts button{flex:0 1 30px;min-width:0;height:28px;border-radius:8px;border:none;background:rgba(17,24,39,.78);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center}
.ps-acts button:hover{background:var(--accent,#4f6ef7)}
.ps-acts button.del:hover{background:var(--danger,#e5484d)}
.ps-acts svg{width:14px;height:14px;flex:none}
/* page tools: a cut after this card, pages left out of the result */
.ps-card.cut::after{content:"";position:absolute;top:8%;bottom:8%;right:-9px;width:0;border-right:2px dashed var(--danger,#e5484d);pointer-events:none}
.ps-card.cut .ps-acts [data-a="cut"]{background:var(--danger,#e5484d)}
.ps-card.off{opacity:.42}
.ps-card.off:hover{opacity:.75}
.ps-drop-mark{position:absolute;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--accent,#4f6ef7);pointer-events:none;z-index:5;box-shadow:0 0 0 3px var(--accent-soft,#eef1fe)}
.ps-ghost{position:fixed;z-index:200;pointer-events:none;width:110px;border-radius:12px;background:var(--panel,#fff);border:2px solid var(--accent,#4f6ef7);padding:6px;
  box-shadow:0 18px 40px rgba(16,24,40,.25);transform:rotate(-3deg)}
.ps-ghost img{display:block;width:100%;border-radius:6px}
.ps-ghost b{position:absolute;right:-8px;top:-8px;min-width:24px;height:24px;padding:0 6px;border-radius:999px;background:var(--accent,#4f6ef7);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center}
.ps-add{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-height:calc(var(--tw) * 1.33);border:2px dashed var(--border-2,#cfd6e4);
  border-radius:14px;background:none;font:inherit;font-size:13px;font-weight:700;color:var(--muted,#5a6377);cursor:pointer}
.ps-add:hover{border-color:var(--accent,#4f6ef7);color:var(--accent-dark,#3a52c4);background:var(--accent-soft,#eef1fe)}
.ps-add svg{width:28px;height:28px}

/* ---- options panel (right) ---- */
.ps-side{position:sticky;top:calc(var(--ps-top,0px) + 4px);display:flex;flex-direction:column;gap:12px;max-height:calc(100vh - var(--ps-top,0px) - 24px);overflow:auto;
  scrollbar-width:thin;padding-bottom:4px}
.ps-box{background:var(--panel,#fff);border:1px solid var(--border,#e4e9f2);border-radius:14px;padding:14px 16px}
.ps-box h3{margin:0 0 10px!important;font-size:13px!important;font-weight:800!important;text-transform:uppercase;letter-spacing:.05em;color:var(--faint,#8a94a7)!important}
.ps-f{margin-bottom:12px}
.ps-f:last-child{margin-bottom:0}
.ps-f>label:not(.ps-chk),.ps-f>.lbl{display:block;font-size:13px;font-weight:700;color:var(--text,#1e2635);margin-bottom:6px}
.ps-f input[type=text],.ps-f input[type=password],.ps-f input[type=number],.ps-f textarea,.ps-f select{width:100%;box-sizing:border-box;font:inherit;font-size:13.5px;padding:8px 10px;border-radius:9px;border:1px solid var(--border,#e4e9f2);
  background:var(--field,#f4f6fb);color:var(--text,#1e2635)}
.ps-f input[type=number]:focus,.ps-f textarea:focus,.ps-f input[type=text]:focus,.ps-f input[type=password]:focus,.ps-f select:focus{outline:none;border-color:var(--accent,#4f6ef7);background:var(--panel,#fff)}
.ps-f .help{font-size:12px;color:var(--faint,#8a94a7);margin-top:5px;line-height:1.45}
.ps-chk{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;color:var(--text,#1e2635);margin-bottom:10px;cursor:pointer;line-height:1.4}
.ps-chk>span{flex:1;min-width:0}
.ps-chk input[type=radio]{margin:2px 0 0!important}
.ps-chk input{margin-top:2px;accent-color:var(--accent,#4f6ef7);width:16px;height:16px;flex:none}
.ps-chk small{display:block;font-size:12px;color:var(--faint,#8a94a7)}
.ps-pills{display:flex;flex-wrap:wrap;gap:6px}
.ps-pills label{position:relative}
.ps-pills input{position:absolute;opacity:0;pointer-events:none}
.ps-pills span{display:inline-block;font-size:12.5px;font-weight:700;padding:6px 10px;border-radius:999px;border:1px solid var(--border,#e4e9f2);color:var(--muted,#5a6377);cursor:pointer;background:var(--panel,#fff)}
.ps-pills input:checked+span{border-color:var(--accent,#4f6ef7);color:var(--accent-dark,#3a52c4);background:var(--accent-soft,#eef1fe)}
.ps-pills input:focus-visible+span{outline:2px solid var(--accent,#4f6ef7);outline-offset:1px}
.ps-more>summary{cursor:pointer;font-size:13px;font-weight:800;color:var(--accent-dark,#3a52c4);list-style:none;margin:2px 0 10px}
.ps-more>summary::-webkit-details-marker{display:none}
.ps-more>summary::before{content:"▸ ";}
.ps-more[open]>summary::before{content:"▾ ";}

.ps-sum{display:grid;grid-template-columns:1fr auto;gap:6px 10px;font-size:13px;color:var(--muted,#5a6377)}
.ps-sum b{color:var(--text,#1e2635);text-align:right}
.ps-gobar{position:sticky;bottom:0;z-index:2;padding-top:8px;margin-top:-8px;background:linear-gradient(transparent,var(--bg,#f6f8fc) 14px)}
.ps-go{width:100%;font:inherit;font-size:15.5px;font-weight:800;color:#fff;background:var(--accent,#4f6ef7);border:none;border-radius:12px;padding:14px;cursor:pointer;
  box-shadow:0 8px 20px color-mix(in srgb,var(--accent,#4f6ef7) 35%,transparent)}
.ps-go:hover:not(:disabled){background:var(--accent-dark,#3a52c4)}
.ps-go:disabled{opacity:.5;cursor:default;box-shadow:none}
.ps-prog{height:8px;border-radius:999px;background:var(--field,#f4f6fb);overflow:hidden;margin-top:10px}
.ps-prog[hidden]{display:none}
.ps-prog i{display:block;height:100%;width:0;background:var(--accent,#4f6ef7);transition:width .2s}
.ps-msg{font-size:12.5px;color:var(--muted,#5a6377);margin-top:8px;min-height:1em}
.ps-msg.err{color:var(--danger,#e5484d);font-weight:700}
.ps-done{border-color:var(--success,#16a34a);background:var(--success-soft,#e8f7ee)}
.ps-done[hidden]{display:none}
.ps-done b{display:block;font-size:15px;color:var(--text,#1e2635)}
.ps-done p{margin:4px 0 12px!important;font-size:13px!important;color:var(--muted,#5a6377)!important}
.ps-done .row{display:flex;gap:8px;flex-wrap:wrap}
.ps-dl{display:flex;flex-direction:column;gap:6px;max-height:260px;overflow:auto}
.ps-dl a{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:10px;background:var(--panel,#fff);border:1px solid var(--border,#e4e9f2);text-decoration:none;color:var(--text,#1e2635)}
.ps-dl a:hover{border-color:var(--accent,#4f6ef7)}
.ps-dl span{flex:1;min-width:0;font-size:13px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ps-dl small{display:block;font-size:11.5px;font-weight:600;color:var(--success,#16a34a)}
.ps-dl svg{width:17px;height:17px;flex:none;color:var(--accent,#4f6ef7)}
.ps-note{margin-top:6px;font-size:11.5px;font-weight:700;padding:4px 8px;border-radius:7px;background:var(--field,#f4f6fb);color:var(--muted,#5a6377)}
.ps-note.good{background:var(--success-soft,#e8f7ee);color:var(--success,#16a34a)}
.ps-note.same{background:var(--warn-soft,#fef3e2);color:var(--warn,#b45309)}
.ps-done a.ps-go{display:block;text-align:center;text-decoration:none;flex:1;padding:11px;font-size:14.5px}

/* ---- preview ---- */
.ps-modal{position:fixed;inset:0;z-index:120;display:flex;flex-direction:column;background:rgba(10,14,25,.86);backdrop-filter:blur(4px)}
.ps-modal[hidden]{display:none}
.ps-mbar{display:flex;align-items:center;gap:8px;padding:10px 14px;color:#fff;flex-wrap:wrap}
.ps-mbar .t{flex:1;min-width:0;font-size:14px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ps-mbar .t small{display:block;font-size:12px;font-weight:600;opacity:.7}
.ps-mbar button{display:inline-flex;align-items:center;gap:6px;font:inherit;font-size:13px;font-weight:700;color:#fff;background:rgba(255,255,255,.12);border:none;border-radius:9px;padding:8px 11px;cursor:pointer}
.ps-mbar button:hover{background:rgba(255,255,255,.24)}
.ps-mbar svg{width:16px;height:16px}
.ps-mview{position:relative;flex:1;min-height:0;display:flex;align-items:center;justify-content:center;padding:6px 60px 20px;overflow:auto}
.ps-mview canvas,.ps-mview img{max-width:100%;max-height:100%;background:#fff;box-shadow:0 20px 60px rgba(0,0,0,.45);transition:transform .2s}
.ps-mnav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:none;background:rgba(255,255,255,.14);color:#fff;font-size:22px;cursor:pointer}
.ps-mnav:hover{background:rgba(255,255,255,.28)}
.ps-mnav.prev{left:10px}.ps-mnav.next{right:10px}

/* ---- narrow screens: options below, a sticky action bar ---- */
@media (max-width:1080px){
  .ps{grid-template-columns:minmax(0,1fr)}
  .ps-side{position:static;max-height:none;overflow:visible}
  .ps-gobar{position:sticky;bottom:0;z-index:25;margin:0 -2px;padding:10px 2px calc(10px + env(safe-area-inset-bottom));background:linear-gradient(transparent,var(--bg,#f6f8fc) 30%)}
}
@media (max-width:640px){
  .ps{--tw:120px}
  .ps-grid{gap:10px}
  .ps-zoom{display:none}
  .ps-bar .lbl-hide{display:none}
  .ps-mview{padding:6px 8px 20px}
  .ps-mnav{display:none}
}

/* ---- password fields (Protect PDF) ---- */
.pp-pw{display:flex;gap:6px}
.pp-in{flex:1;min-width:0;box-sizing:border-box;font:inherit;font-size:14px;padding:8px 10px;border-radius:9px;border:1px solid var(--border,#e4e9f2);background:var(--field,#f4f6fb);color:var(--text,#1e2635)}
.pp-in:focus{outline:none;border-color:var(--accent,#4f6ef7);background:var(--panel,#fff)}
.pp-pw .ps-btn[aria-pressed="true"]{color:var(--accent-dark,#3a52c4);border-color:var(--accent,#4f6ef7)}
.pp-meter{height:5px;border-radius:999px;background:var(--field,#eef1f7);overflow:hidden;margin:-4px 0 6px}
.pp-meter i{display:block;height:100%;width:0;border-radius:999px;background:#e5484d;transition:width .2s,background .2s}
.pp-meter i[data-n="2"]{background:#d97706}.pp-meter i[data-n="3"],.pp-meter i[data-n="4"]{background:#16a34a}
.pp-row{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px;font-size:12px}
.pp-str{color:var(--muted,#5a6377);font-weight:600}
.pp-link{border:none;background:none;padding:0;font:inherit;font-size:12px;font-weight:700;color:var(--accent-dark,#3a52c4);cursor:pointer}
.pp-link:hover{text-decoration:underline}
.pp-err{font-size:12.5px;font-weight:700;color:var(--danger,#e5484d);margin:-4px 0 6px;min-height:0}
.pp-err:empty{display:none}

/* ---- extracted text preview (PDF to Text) ---- */
.ps-txt{margin-top:16px;background:var(--panel,#fff);border:1px solid var(--border,#e4e9f2);border-radius:14px;padding:12px 14px}
.ps-txt[hidden]{display:none}
.ps-txt-h{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.ps-txt-h b{font-size:14px}
.ps-txt-h span{flex:1;font-size:12.5px;color:var(--muted,#5a6377)}
.ps-txt textarea{display:block;width:100%;box-sizing:border-box;min-height:340px;resize:vertical;font:13.5px/1.6 ui-monospace,Menlo,Consolas,monospace;padding:12px;border-radius:10px;
  border:1px solid var(--border,#e4e9f2);background:var(--field,#f4f6fb);color:var(--text,#1e2635);white-space:pre-wrap}
.rt-btns{display:flex;gap:6px;flex-wrap:wrap}.rt-btns .ps-btn{flex:1 1 auto;justify-content:center}
.pk-quick{display:flex;flex-wrap:wrap;gap:6px}.ps-f input.bad{border-color:var(--danger,#e5484d)!important}
.og-acts{display:flex;flex-wrap:wrap;gap:6px}.og-acts .ps-btn{flex:1 1 auto;justify-content:center}.og-row{display:flex;gap:6px;align-items:center}.og-in{width:70px;box-sizing:border-box;font:inherit;font-size:13.5px;padding:7px 9px;border-radius:9px;border:1px solid var(--border,#e4e9f2);background:var(--field,#f4f6fb);color:var(--text,#1e2635)}.og-unit{font-size:13px;color:var(--muted,#5a6377);flex:1}
/* spreadsheet preview (PDF to Excel) */
.ps-xl{overflow:auto;max-height:460px;border:1px solid var(--border,#e4e9f2);border-radius:10px}
.ps-xl table{border-collapse:collapse;font-size:12.5px;min-width:100%}
.ps-xl th,.ps-xl td{border:1px solid var(--border,#e4e9f2);padding:4px 8px;white-space:nowrap;max-width:320px;overflow:hidden;text-overflow:ellipsis;text-align:left}
.ps-xl thead th,.ps-xl tbody th{background:var(--field,#f4f6fb);color:var(--muted,#5a6377);font-weight:700;position:sticky;top:0}
.ps-xl tbody th{position:sticky;left:0;text-align:right}
.ps-xl td.n{text-align:right;font-variant-numeric:tabular-nums}
/* scan editor (Scan to PDF) */
.sc-dlg{width:min(900px,100%)}
.sc-stage{display:flex;justify-content:center;background:#1e2635;border-radius:12px;padding:14px;margin:8px 0}
.sc-wrap{position:relative;display:inline-block;touch-action:none;line-height:0}
.sc-img{display:block;max-width:100%;max-height:58vh;width:auto;height:auto}
.sc-svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.sc-poly{fill:rgba(79,110,247,.16);stroke:#4f6ef7;stroke-width:3;vector-effect:non-scaling-stroke}
.sc-h{position:absolute;width:26px;height:26px;margin:-13px 0 0 -13px;border-radius:50%;background:#fff;border:3px solid #4f6ef7;box-shadow:0 2px 8px rgba(0,0,0,.4);cursor:grab;touch-action:none}
.sc-h:focus-visible{outline:3px solid #fff;outline-offset:2px}
.sc-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
/* crop (Crop PDF) */
.cr-main{min-width:0}
.cr-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:8px 10px;background:var(--panel,#fff);border:1px solid var(--border,#e4e9f2);border-radius:14px}
.cr-pg{font-size:13px;font-weight:700;min-width:96px;text-align:center}
.cr-file{flex:1;min-width:0;font-size:12.5px;color:var(--muted,#5a6377);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cr-stage{display:flex;justify-content:center;padding:16px;margin-top:10px;background:var(--field,#eef1f7);border:1px solid var(--border,#e4e9f2);border-radius:14px;min-height:300px}
.cr-page{position:relative;box-shadow:0 2px 10px rgba(16,24,40,.18);background:#fff;touch-action:none;user-select:none}
.cr-page canvas{display:block}
.cr-shade{position:absolute;inset:0;background:rgba(15,22,38,.55);pointer-events:none}
.cr-box{position:absolute;outline:2px solid var(--accent,#4f6ef7);box-shadow:0 0 0 1px #fff inset;cursor:move;touch-action:none}
.cr-box:focus-visible{outline-width:3px}
.cr-h{position:absolute;width:14px;height:14px;margin:-7px 0 0 -7px;background:#fff;border:2px solid var(--accent,#4f6ef7);border-radius:4px;touch-action:none}
.cr-h.h-nw{left:0;top:0;cursor:nwse-resize}.cr-h.h-n{left:50%;top:0;cursor:ns-resize}.cr-h.h-ne{left:100%;top:0;cursor:nesw-resize}.cr-h.h-e{left:100%;top:50%;cursor:ew-resize}
.cr-h.h-se{left:100%;top:100%;cursor:nwse-resize}.cr-h.h-s{left:50%;top:100%;cursor:ns-resize}.cr-h.h-sw{left:0;top:100%;cursor:nesw-resize}.cr-h.h-w{left:0;top:50%;cursor:ew-resize}
.cr-strip{display:flex;gap:8px;overflow-x:auto;padding:10px 2px;scrollbar-width:thin}
.cr-th{flex:none;display:flex;flex-direction:column;align-items:center;gap:3px;padding:4px;border:2px solid transparent;border-radius:9px;background:none;cursor:pointer;font:inherit;font-size:11px;font-weight:700;color:var(--muted,#5a6377)}
.cr-th canvas{display:block;max-height:80px;background:#fff;box-shadow:0 1px 3px rgba(16,24,40,.2)}
.cr-th.cur{border-color:var(--accent,#4f6ef7)}
.cr-th.done span::after{content:" \2702";color:var(--accent,#4f6ef7)}
.cr-margins{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.cr-margins label{display:flex!important;flex-direction:column;gap:4px;font-size:12px;font-weight:700;color:var(--muted,#5a6377);position:relative}
.cr-margins input{font:inherit;font-size:13.5px;padding:7px 30px 7px 9px;border-radius:9px;border:1px solid var(--border,#e4e9f2);background:var(--field,#f4f6fb);color:var(--text,#1e2635);width:100%;box-sizing:border-box}
.cr-margins span{position:absolute;right:9px;bottom:8px;font-size:11.5px;font-weight:600;color:var(--faint,#8a94a7)}
.ps-box .help{font-size:12px;color:var(--faint,#8a94a7);line-height:1.45;margin:5px 0 0}
/* watermark (Watermark PDF) */
.wm-prev{display:flex;flex-direction:column;align-items:center;gap:6px;background:var(--field,#f4f6fb);border:1px solid var(--border,#e4e9f2);border-radius:10px;padding:10px}
.wm-prev canvas{max-width:100%;background:#fff;box-shadow:0 1px 6px rgba(16,24,40,.18)}
.wm-grid{display:grid;grid-template-columns:repeat(3,34px);gap:5px}
.wm-grid label{position:relative;cursor:pointer}
.wm-grid input{position:absolute;opacity:0;pointer-events:none}
.wm-grid span{display:block;width:34px;height:26px;border-radius:6px;border:1px solid var(--border,#e4e9f2);background:var(--panel,#fff)}
.wm-grid input:checked+span{background:var(--accent,#4f6ef7);border-color:var(--accent,#4f6ef7)}
.wm-grid input:focus-visible+span{outline:2px solid var(--accent,#4f6ef7);outline-offset:2px}
/* Repair PDF: one row per file */
.rp-list{display:flex;flex-direction:column;gap:10px;margin-top:12px}
.rp-row{background:var(--panel,#fff);border:1px solid var(--border,#e4e9f2);border-radius:14px;padding:12px 14px;border-left:4px solid var(--border-2,#cfd6e4)}
.rp-row.rp-ok{border-left-color:#16a34a}.rp-row.rp-bad{border-left-color:var(--danger,#e5484d)}.rp-row.rp-warn{border-left-color:#d97706}.rp-row.rp-wait{border-left-color:var(--accent,#4f6ef7)}
.rp-head{display:flex;align-items:center;gap:12px}
.rp-ic{flex:none;width:38px;height:46px;border-radius:6px;background:#fdecec;color:#c81e1e;font-weight:800;font-size:10.5px;line-height:46px;text-align:center;letter-spacing:.04em}
.rp-name{min-width:0;flex:1;display:flex;flex-direction:column}.rp-name b{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rp-name small{font-size:12px;color:var(--faint,#8a94a7)}
.rp-chip{flex:none;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--field,#f4f6fb);color:var(--muted,#5a6377)}
.rp-ok .rp-chip{background:#e8f7ee;color:#15803d}.rp-bad .rp-chip{background:#fdecec;color:#c81e1e}.rp-warn .rp-chip{background:#fff4e0;color:#b45309}.rp-wait .rp-chip{background:var(--accent-soft,#eef1fe);color:var(--accent-dark,#3a52c4)}
.rp-probs{margin:10px 0 0 50px;padding:0 0 0 16px;font-size:13px;color:var(--muted,#5a6377);line-height:1.5}.rp-probs li{margin:2px 0}
.rp-probs.ok{list-style:none;padding-left:0}
.rp-res{margin:10px 0 0 50px}.rp-res p{margin:0 0 8px;font-size:13px;color:var(--muted,#5a6377)}.rp-res p b{color:var(--text,#1e2635)}
.rp-thumbs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px;align-items:center}
.rp-thumbs img,.rp-lost{width:62px;height:auto;border:1px solid var(--border,#e4e9f2);border-radius:4px;background:#fff;box-shadow:0 1px 3px rgba(16,24,40,.08)}
.rp-lost{height:80px;display:flex;align-items:center;justify-content:center;color:var(--faint,#8a94a7);font-weight:800}
.rp-more{font-size:12.5px;font-weight:700;color:var(--faint,#8a94a7)}
@media (max-width:560px){.rp-probs,.rp-res{margin-left:0}}
/* Extract Images from PDF: a gallery per PDF */
.xi-file{background:var(--panel,#fff);border:1px solid var(--border,#e4e9f2);border-radius:14px;padding:12px 14px;margin-top:12px}
.xi-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.xi-head b{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60%}.xi-head span{font-size:12.5px;color:var(--faint,#8a94a7);flex:1}
.xi-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:12px}
.xi-tile{position:relative;display:flex;flex-direction:column;border:2px solid var(--accent,#4f6ef7);border-radius:12px;background:var(--panel,#fff);cursor:pointer;overflow:hidden;transition:opacity .15s,border-color .15s}
.xi-tile.off{border-color:var(--border,#e4e9f2);opacity:.5}.xi-tile:hover{box-shadow:0 6px 18px rgba(16,24,40,.08)}
.xi-box{height:130px;display:flex;align-items:center;justify-content:center;background:var(--field,#f4f6fb);padding:8px}
.xi-tile.alpha .xi-box{background:repeating-conic-gradient(#e9edf4 0% 25%,#fff 0% 50%) 50%/16px 16px}
.xi-th{max-width:100%;max-height:100%;object-fit:contain;display:block}
.xi-wait{width:48px;height:48px;border-radius:8px;background:linear-gradient(90deg,#eef1f6,#f8f9fb,#eef1f6);background-size:200% 100%;animation:xiShine 1.2s infinite;display:flex;align-items:center;justify-content:center;color:var(--faint,#8a94a7);font-weight:800}
@keyframes xiShine{to{background-position:-200% 0}}
.xi-chk{position:absolute;left:8px;top:8px;width:22px;height:22px;border-radius:6px;background:var(--accent,#4f6ef7);box-shadow:0 1px 3px rgba(0,0,0,.2)}
.xi-chk::after{content:"";position:absolute;left:7px;top:3px;width:6px;height:11px;border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}
.xi-tile.off .xi-chk{background:#fff;border:1.5px solid var(--border-2,#cfd6e4)}.xi-tile.off .xi-chk::after{display:none}
.xi-zoom{position:absolute;right:8px;top:8px;width:28px;height:28px;border-radius:8px;border:1px solid var(--border,#e4e9f2);background:rgba(255,255,255,.92);cursor:pointer;font-size:15px;line-height:1;color:var(--text,#1e2635);opacity:0;transition:opacity .15s}
.xi-tile:hover .xi-zoom,.xi-zoom:focus-visible{opacity:1}
.xi-cap{padding:8px 10px;font-size:12px;line-height:1.4;color:var(--muted,#5a6377)}.xi-cap b{color:var(--text,#1e2635)}.xi-cap small{color:var(--faint,#8a94a7);font-size:11.5px}
.xi-dlg{max-width:min(92vw,1100px);width:auto}.xi-dlg-h{display:flex;align-items:center;gap:12px;justify-content:space-between;margin-bottom:10px;font-size:13.5px}
.xi-dlg-b{max-height:78vh;overflow:auto;text-align:center;background:repeating-conic-gradient(#e9edf4 0% 25%,#fff 0% 50%) 50%/16px 16px;border-radius:8px}
.xi-full{max-width:100%;height:auto;display:inline-block}
@media (hover:none){.xi-zoom{opacity:1}}
/* PDF Summarizer */
.sm-out{margin-top:12px;display:flex;flex-direction:column;gap:12px}
.sm-card{background:var(--panel,#fff);border:1px solid var(--border,#e4e9f2);border-radius:14px;padding:18px 20px}
.sm-card h4{margin:0 0 10px;font-size:15px;font-weight:800;display:flex;align-items:center;gap:8px}
.sm-list{margin:0;padding-left:20px}.sm-list li{margin:0 0 10px;font-size:14.5px;line-height:1.6;color:var(--text,#1e2635)}
.sm-list li::marker{color:var(--accent,#4f6ef7)}
.sm-para,.sm-card p{font-size:14.5px;line-height:1.7;margin:0 0 10px;color:var(--text,#1e2635)}
.sm-pg{display:inline-block;font-size:11px;font-weight:700;color:var(--accent-dark,#3a52c4);background:var(--accent-soft,#eef1fe);border-radius:999px;padding:1px 7px;vertical-align:1px;white-space:nowrap}
.sm-tag{font-size:12px;font-weight:700;color:#7c3aed;background:#f3edff;border-radius:8px;padding:6px 10px;margin-bottom:12px;display:inline-block}
.sm-terms{display:flex;flex-wrap:wrap;gap:8px}.sm-terms span{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;background:var(--field,#f4f6fb);border:1px solid var(--border,#e4e9f2);border-radius:999px;padding:6px 12px}
.sm-terms b{font-size:11.5px;color:var(--faint,#8a94a7)}
.sm-empty{background:var(--panel,#fff);border:1px dashed var(--border-2,#cfd6e4);border-radius:14px;padding:22px;text-align:center}.sm-empty b{font-size:15px}.sm-empty p{margin:8px 0 0;color:var(--muted,#5a6377);font-size:14px}
/* Translate PDF: original and translation side by side */
.tr-cmp{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:12px}
.tr-cmp figure{margin:0;background:var(--field,#f4f6fb);border:1px solid var(--border,#e4e9f2);border-radius:14px;padding:10px;min-width:0;text-align:center}
.tr-cmp figcaption{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--faint,#8a94a7);margin:0 0 8px;text-align:left}
.tr-cmp canvas{max-width:100%;height:auto;box-shadow:0 2px 10px rgba(16,24,40,.12);background:#fff}
.tr-cmp .help{padding:60px 10px}
.tr-pg{font-size:13px;font-weight:700;color:var(--muted,#5a6377);min-width:90px;text-align:center}
@media (max-width:700px){.tr-cmp{grid-template-columns:1fr}}
/* Compare PDF */
.cp-two{display:grid;grid-template-columns:1fr 1fr;gap:16px;width:100%;max-width:760px}
.cp-slot{border:2px dashed var(--border-2,#cdd5e5);border-radius:14px;padding:22px 14px;background:var(--panel,#fff);text-align:center;display:flex;flex-direction:column;align-items:center;gap:8px}
.cp-slot>b{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--faint,#8a94a7)}
.cp-slot.ok{border-style:solid;border-color:#16a34a;background:#f3fbf6}.cp-slot p{margin:0!important;font-size:13px}
@media (max-width:620px){.cp-two{grid-template-columns:1fr}}
.cp-heads{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}
.cp-heads div{display:flex;align-items:center;gap:8px;min-width:0;font-size:13px}.cp-heads b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cp-heads small{color:var(--faint,#8a94a7);white-space:nowrap}
.cp-dot{width:10px;height:10px;border-radius:50%;flex:none}.cp-dot.del{background:#e5484d}.cp-dot.ins{background:#16a34a}
.cp-panes{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:8px}
.cp-pane{height:calc(100vh - var(--ps-top,0px) - 170px);min-height:420px;overflow:auto;background:var(--field,#f4f6fb);border:1px solid var(--border,#e4e9f2);border-radius:14px;padding:12px;scrollbar-width:thin}
.cp-page{position:relative;width:100%;background:#fff;box-shadow:0 2px 10px rgba(16,24,40,.12);margin:0 auto 14px}
.cp-page canvas{position:absolute;inset:0;width:100%;height:100%}
.cp-hl{position:absolute;inset:0}.cp-hl i{position:absolute;border-radius:2px;cursor:pointer;mix-blend-mode:multiply}
.cp-hl i.del{background:rgba(229,72,77,.38)}.cp-hl i.ins{background:rgba(22,163,74,.34)}
.cp-hl i.caret{width:0!important;border-left:2px solid;background:none;mix-blend-mode:normal}.cp-hl i.caret.del{border-color:#e5484d}.cp-hl i.caret.ins{border-color:#16a34a}
.cp-hl i.on{outline:2px solid var(--accent,#4f6ef7);outline-offset:1px}
.cp-pn{position:absolute;right:6px;bottom:4px;font-size:10px;color:var(--faint,#8a94a7)}
.cp-at{font-size:13px;font-weight:700;color:var(--muted,#5a6377);min-width:80px;text-align:center}
.cp-list{list-style:none;margin:10px 0 0;padding:0;max-height:46vh;overflow:auto;border-top:1px solid var(--border,#e4e9f2)}
.cp-list li{padding:8px 4px;border-bottom:1px solid var(--border,#e4e9f2);font-size:12.5px;line-height:1.45;cursor:pointer;color:var(--text,#1e2635);word-break:break-word}
.cp-list li:hover{background:var(--field,#f4f6fb)}.cp-list li.on{background:var(--accent-soft,#eef1fe)}
.cp-list small{color:var(--faint,#8a94a7);float:right}.cp-list s{color:#c81e1e;background:#fdecec;text-decoration:line-through}.cp-list ins{color:#15803d;background:#e8f7ee;text-decoration:none}
.cp-tag{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:var(--muted,#5a6377)}
.cp-key{display:inline-block;padding:0 6px;border-radius:4px;font-weight:700}.cp-key.del{background:rgba(229,72,77,.3)}.cp-key.ins{background:rgba(22,163,74,.3)}
.cp-ov{margin-top:12px;max-width:900px}.cp-ovp{margin-bottom:18px}.cp-ovh{display:flex;gap:10px;align-items:baseline;margin-bottom:6px;font-size:13px}.cp-ovh span{color:var(--muted,#5a6377)}
@media (max-width:760px){.cp-panes,.cp-heads{grid-template-columns:1fr}.cp-pane{height:60vh}}
/* PDF to PDF/A checklist */
.pa-check{margin-top:12px;border-top:1px solid var(--border,#e4e9f2);padding-top:10px}
.pa-file{margin-bottom:10px}.pa-file>b{font-size:13px;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:4px}
.pa-file ul{list-style:none;margin:0;padding:0}.pa-file li{position:relative;padding:3px 0 3px 22px;font-size:12.5px;line-height:1.4;color:var(--text,#1e2635)}
.pa-file li::before{position:absolute;left:0;top:3px;width:16px;height:16px;border-radius:50%;font-size:10px;font-weight:900;display:flex;align-items:center;justify-content:center}
.pa-file li.ok::before{content:"✓";background:#e8f7ee;color:#15803d}.pa-file li.fix::before{content:"!";background:#fff4e0;color:#b45309}
.pa-file li small{display:block;color:var(--faint,#8a94a7);font-size:11.5px}
/* HEIC to PDF: converting notice */
.hc-note{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:95;background:var(--text,#1e2635);color:#fff;font-size:13.5px;font-weight:600;padding:10px 18px;border-radius:999px;box-shadow:0 8px 24px rgba(16,24,40,.25)}
/* PDF to Markdown */
.md-out{margin-top:12px}
.md-pre{background:var(--panel,#fff);border:1px solid var(--border,#e4e9f2);border-radius:14px;padding:22px 26px;max-height:calc(100vh - var(--ps-top,0px) - 120px);overflow:auto;font-size:14.5px;line-height:1.65;color:var(--text,#1e2635)}
.md-pre h1,.md-pre h2,.md-pre h3,.md-pre h4{margin:18px 0 8px;line-height:1.3}.md-pre h1{font-size:24px}.md-pre h2{font-size:20px}.md-pre h3{font-size:17px}.md-pre h4{font-size:15px}
.md-pre p{margin:0 0 10px}.md-pre code{background:var(--field,#f4f6fb);border-radius:4px;padding:1px 5px;font-size:13px}
.md-pre pre{background:#0f172a;color:#e2e8f0;border-radius:10px;padding:12px 14px;overflow:auto}.md-pre pre code{background:none;color:inherit;padding:0}
.md-pre table{border-collapse:collapse;margin:10px 0 14px;font-size:13.5px}.md-pre th,.md-pre td{border:1px solid var(--border,#e4e9f2);padding:6px 10px;text-align:left}.md-pre th{background:var(--field,#f4f6fb)}
.md-pre img{max-width:100%;border-radius:6px;margin:6px 0}.md-pre hr{border:none;border-top:1px dashed var(--border-2,#cfd6e4);margin:18px 0}
.md-pre ul,.md-pre ol{margin:0 0 10px;padding-left:24px}.md-pre li{margin:2px 0}
.md-src{width:100%;min-height:calc(100vh - var(--ps-top,0px) - 120px);box-sizing:border-box;font:13px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace;padding:16px;border:1px solid var(--border,#e4e9f2);border-radius:14px;background:var(--panel,#fff);color:var(--text,#1e2635);resize:vertical}
/* PDF to EPUB: contents and a chapter */
.eb-wrap{display:grid;grid-template-columns:220px minmax(0,1fr);gap:12px;margin-top:12px;align-items:start}
.eb-toc{background:var(--panel,#fff);border:1px solid var(--border,#e4e9f2);border-radius:14px;padding:12px;max-height:calc(100vh - var(--ps-top,0px) - 120px);overflow:auto;font-size:13px}
.eb-toc>b{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--faint,#8a94a7);margin:0 0 8px}
.eb-toc ol{margin:0;padding-left:20px}.eb-toc li{margin:2px 0}.eb-toc button{all:unset;cursor:pointer;display:block;padding:4px 6px;border-radius:6px;line-height:1.35;color:var(--text,#1e2635)}
.eb-toc button:hover{background:var(--field,#f4f6fb)}.eb-toc button[aria-current]{background:var(--accent-soft,#eef1fe);color:var(--accent-dark,#3a52c4);font-weight:700}
.eb-page{font-family:Georgia,'Times New Roman',serif;font-size:16px;line-height:1.7}
@media (max-width:760px){.eb-wrap{grid-template-columns:1fr}.eb-toc{max-height:220px}}
/* sheet-studio.js: spreadsheet tools */
.ss-files{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.ss-card{display:flex;align-items:center;gap:10px;background:var(--panel,#fff);border:1px solid var(--border,#e4e9f2);border-radius:12px;padding:8px 10px;cursor:pointer}
.ss-card.on{border-color:var(--accent,#4f6ef7);box-shadow:0 0 0 3px var(--accent-soft,#eef1fe)}
.ss-ic{flex:none;width:40px;height:40px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:800;letter-spacing:.03em;background:#e8f7ee;color:#15803d}
.ss-ic.ss-csv,.ss-ic.ss-text,.ss-ic.ss-tsv,.ss-ic.ss-txt{background:#eef1fe;color:#3a52c4}.ss-ic.ss-ods{background:#fff4e0;color:#b45309}.ss-ic.ss-json,.ss-ic.ss-xml,.ss-ic.ss-vcf{background:#f3edff;color:#7c3aed}
.ss-meta{flex:1;min-width:0;display:flex;flex-direction:column}.ss-meta b{font-size:13.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ss-meta small{font-size:12px;color:var(--faint,#8a94a7)}
.ss-view{margin-top:12px;background:var(--panel,#fff);border:1px solid var(--border,#e4e9f2);border-radius:14px;overflow:hidden}
.ss-tabs{display:flex;gap:2px;overflow-x:auto;background:var(--field,#f4f6fb);border-bottom:1px solid var(--border,#e4e9f2);padding:6px 6px 0;scrollbar-width:thin}
.ss-tabs button{font:inherit;font-size:12.5px;font-weight:600;border:1px solid transparent;border-bottom:none;background:none;padding:6px 12px;border-radius:8px 8px 0 0;cursor:pointer;color:var(--muted,#5a6377);white-space:nowrap}
.ss-tabs button[aria-selected="true"]{background:var(--panel,#fff);border-color:var(--border,#e4e9f2);color:var(--text,#1e2635)}
.ss-note{font-size:12px;color:var(--faint,#8a94a7);padding:6px 10px}
.ss-grid{overflow:auto;max-height:calc(100vh - var(--ps-top,0px) - 260px);min-height:180px}
.ss-grid table{border-collapse:collapse;font-size:12.5px;font-variant-numeric:tabular-nums}
.ss-grid th,.ss-grid td{border:1px solid var(--border,#e4e9f2);padding:3px 8px;white-space:nowrap;max-width:260px;overflow:hidden;text-overflow:ellipsis;text-align:left}
.ss-grid thead th{position:sticky;top:0;background:var(--field,#f4f6fb);color:var(--faint,#8a94a7);font-weight:700;z-index:1}
.ss-grid tbody th{position:sticky;left:0;background:var(--field,#f4f6fb);color:var(--faint,#8a94a7);font-weight:600;text-align:right}
.ss-grid tr.hd td{font-weight:700;background:#f7f9ff}.ss-grid tr.dup td{background:#fdecec;color:#9b1c1c;text-decoration:line-through}.ss-grid tr.keep td{background:#f3fbf6}
.ss-grid tr.off td{opacity:.35}.ss-grid td.hl{background:#fff4c2}.ss-grid tr.cut td{border-top:3px solid var(--accent,#4f6ef7)}
.cv-pick{margin-top:8px;max-height:200px;overflow:auto;border:1px solid var(--border,#e4e9f2);border-radius:10px;padding:6px 10px}.cv-pick b{display:block;font-size:12px;margin:6px 0 2px}
.tv-paste{margin-top:12px;width:100%;max-width:560px;text-align:center}.tv-paste textarea{width:100%;box-sizing:border-box;font:13px/1.4 ui-monospace,Consolas,monospace;border:1px solid var(--border,#e4e9f2);border-radius:10px;padding:10px;margin:8px 0}
.jx-pre{max-height:260px;overflow:auto;background:#0f172a;color:#e2e8f0;border-radius:10px;padding:10px;font:12px/1.45 ui-monospace,Consolas,monospace;white-space:pre;margin:4px 0 8px}
/* doc-studio.js: document tools */
.ds-view{margin-top:12px;background:var(--field,#f4f6fb);border:1px solid var(--border,#e4e9f2);border-radius:14px;overflow:hidden}
.ds-head{font-size:12.5px;font-weight:700;color:var(--muted,#5a6377);padding:8px 12px;border-bottom:1px solid var(--border,#e4e9f2);background:var(--panel,#fff)}
.ds-body{max-height:calc(100vh - var(--ps-top,0px) - 220px);min-height:240px;overflow:auto;padding:8px}
.ds-pages .docx-wrapper{background:transparent!important;padding:8px!important}.ds-pages .docx-wrapper>section.docx{box-shadow:0 2px 10px rgba(16,24,40,.12)!important;margin-bottom:14px!important}
.ds-text{white-space:pre-wrap;word-break:break-word;font:13px/1.55 ui-monospace,Consolas,monospace;background:var(--panel,#fff);border-radius:10px;padding:14px;margin:0;color:var(--text,#1e2635)}
.ds-html{background:var(--panel,#fff);border-radius:10px;padding:20px 26px;font-size:14.5px;line-height:1.65;color:var(--text,#1e2635)}
.ds-html table{border-collapse:collapse}.ds-html td,.ds-html th{border:1px solid var(--border,#e4e9f2);padding:4px 8px}.ds-html img{max-width:100%}
.ss-ic.ds-docx,.ss-ic.ds-doc,.ss-ic.ds-odt,.ss-ic.ds-rtf{background:#e8effd;color:#2b579a}.ss-ic.ds-txt,.ss-ic.ds-md,.ss-ic.ds-markdown{background:#f3f4f6;color:#374151}.ss-ic.ds-epub{background:#fff4e0;color:#b45309}

/* image-studio.js — image tools workspace */
.is-files{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 6px;scrollbar-width:thin}
.is-card{flex:0 0 auto;display:flex;align-items:center;gap:8px;max-width:280px;background:var(--panel,#fff);border:1px solid var(--border,#e4e9f2);border-radius:12px;padding:6px 8px;cursor:pointer}
.is-card.on{border-color:var(--accent,#4f6ef7);box-shadow:0 0 0 2px rgba(79,110,247,.15)}
.is-card img{width:44px;height:44px;object-fit:contain;border-radius:6px;background:repeating-conic-gradient(#e9ecf3 0 25%,#fff 0 50%) 0 0/10px 10px;flex:none}
.is-meta{min-width:0;display:flex;flex-direction:column}.is-meta b{font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:150px}.is-meta small{font-size:11.5px;color:var(--muted,#5a6377);white-space:nowrap}
.is-acts{display:flex;gap:2px}
.is-view{margin-top:10px;background:var(--field,#f4f6fb);border:1px solid var(--border,#e4e9f2);border-radius:14px;overflow:hidden}
.is-head{display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--muted,#5a6377);padding:6px 10px;border-bottom:1px solid var(--border,#e4e9f2);background:var(--panel,#fff)}
.is-head .grow{flex:1}.is-head [data-head]{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:40%}.is-info{font-weight:600;font-size:12px}.is-head .ps-btn.on{background:var(--accent-soft,#eef1fe);border-color:var(--accent,#4f6ef7)}
.is-stage{display:flex;align-items:center;justify-content:center;min-height:300px;height:calc(100vh - var(--ps-top,0px) - 260px);max-height:720px;padding:12px;overflow:hidden;background:repeating-conic-gradient(#e9ecf3 0 25%,#f7f8fb 0 50%) 0 0/18px 18px}
.is-stage canvas,.is-stage img{max-width:100%;max-height:100%;display:block;box-shadow:0 2px 10px rgba(16,24,40,.12)}
.is-stage.zoom{overflow:auto;align-items:flex-start;justify-content:flex-start}.is-stage.zoom canvas,.is-stage.zoom img{max-width:none;max-height:none}
.is-one{max-width:100%;max-height:100%;display:flex}
.is-cmp{position:relative;max-width:100%;max-height:100%;display:inline-block;--x:50%}
.is-cmp .is-a canvas{display:block;max-width:100%;max-height:calc(100vh - var(--ps-top,0px) - 290px);max-height:min(690px,calc(100vh - var(--ps-top,0px) - 290px))}
.is-cmp .is-b{position:absolute;inset:0}.is-cmp .is-b canvas{width:100%;height:100%;box-shadow:none}
.is-cmp::after{content:"";position:absolute;top:0;bottom:0;left:var(--x);width:2px;margin-left:-1px;background:#fff;box-shadow:0 0 0 1px rgba(0,0,0,.25);pointer-events:none}
.is-cmp input[type=range]{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize}
.is-lab{position:absolute;top:8px;font-size:11px;font-weight:700;color:#fff;background:rgba(17,24,39,.6);padding:2px 8px;border-radius:999px;pointer-events:none}.is-lab.l{left:8px}.is-lab.r{right:8px}
.is-stage.zoom .is-cmp .is-a canvas{max-height:none}
.is-two{display:flex;gap:14px;align-items:center;justify-content:center;max-width:100%;max-height:100%;flex-wrap:wrap}
.is-two figure{margin:0;display:flex;flex-direction:column;align-items:center;gap:4px;max-width:48%}.is-two figure canvas{max-height:calc(100vh - var(--ps-top,0px) - 320px)}.is-two figcaption{font-size:11.5px;font-weight:700;color:var(--muted,#5a6377)}
.is-res{display:block;max-width:100%;max-height:180px;margin:8px auto;border-radius:8px;background:repeating-conic-gradient(#e9ecf3 0 25%,#fff 0 50%) 0 0/12px 12px}
.is-row{display:flex;gap:8px;align-items:center}.is-row>*{flex:1;min-width:0}
.is-chips{display:flex;flex-wrap:wrap;gap:6px}.is-chips button{font:inherit;font-size:12.5px;padding:5px 10px;border-radius:999px;border:1px solid var(--border-2,#dfe4ee);background:var(--panel,#fff);cursor:pointer;color:var(--text,#1e2635)}.is-chips button.on{background:var(--accent-soft,#eef1fe);border-color:var(--accent,#4f6ef7);color:var(--accent-dark,#3a52c4);font-weight:700}
@media (max-width:760px){.is-stage{height:auto;min-height:220px;max-height:60vh}}