:root{box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);
--bg:#e6eaee;--panel:#fff;--ink:#17222d;--mute:#5d6b78;--line:#c9d1d9;--acc:#0e6b73;--acc-ink:#fff;--sel:#0e6b73}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#10171d;--panel:#18222b;--ink:#e6edf3;--mute:#92a1ae;--line:#2c3945;--acc:#3fb6c0;--acc-ink:#07191b;--sel:#3fb6c0}}
:root[data-theme="dark"]{--bg:#10171d;--panel:#18222b;--ink:#e6edf3;--mute:#92a1ae;--line:#2c3945;--acc:#3fb6c0;--acc-ink:#07191b;--sel:#3fb6c0}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
*,*:before,*:after{box-sizing:inherit}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 "IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif}
header{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:14px 20px;background:var(--panel);border-bottom:1px solid var(--line)}
h1{font-size:20px;margin:0;font-weight:700;letter-spacing:-.01em}
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:5}
.tb{display:flex;gap:6px;flex-wrap:wrap;flex:1;align-items:center}
.tb button{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 10px;min-width:64px;font-size:12px}
.tb button b{font-size:18px;line-height:1;font-weight:400}
.sep{width:1px;align-self:stretch;background:var(--line);margin:0 4px}
.tabs{display:flex;gap:4px;flex-wrap:wrap}
.tabs button{flex:1;padding:8px 6px;font-size:13px}
.tabs button.on{background:var(--acc);color:var(--acc-ink);border-color:var(--acc);font-weight:600}
aside .box{display:none}
aside .box.on{display:block}
.drop.compact{padding:10px}
footer{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.lnk{border:0;background:none;padding:0 4px;color:var(--acc);cursor:pointer;text-decoration:underline;font-size:13px}
.ftabs{display:flex;gap:4px;margin:8px 0}.ftabs button{flex:1;padding:6px 4px;font-size:13px}
.ftabs button.on{border-color:var(--acc);box-shadow:inset 0 -3px 0 var(--acc);font-weight:600}
.asec{display:none}.asec.on{display:block}.asec ul{padding-left:20px;margin:6px 0}.asec li{margin:6px 0}
.copy{font-size:12px;color:var(--mute)}
.fsec{display:none}.fsec.on{display:block}
.stars button{border:0;background:none;font-size:26px;line-height:1;padding:0 2px;color:var(--line);cursor:pointer}.stars button.on{color:#e8a317}
.ct{width:100%;border-collapse:collapse;font-size:12px;margin-top:6px}.ct th,.ct td{border-bottom:1px solid var(--line);padding:3px 4px;text-align:left;vertical-align:top}.okc{color:#2da44e}.badc{color:#e5534b}
.subtabs{display:flex;gap:4px;margin:8px 0}
.subtabs button{flex:1;padding:6px 4px;font-size:13px}
.subtabs button.on{border-color:var(--acc);box-shadow:inset 0 -3px 0 var(--acc);font-weight:600}
.sub{display:none}.sub.on{display:block}
.foot{margin-top:10px;padding-top:10px;border-top:1px solid var(--line)}
footer{position:sticky;bottom:env(safe-area-inset-bottom,0px);padding:6px 20px;background:var(--panel);border-top:1px solid var(--line);color:var(--mute);font-size:13px;min-height:32px}
.bar label{display:flex;align-items:center;gap:6px;color:var(--mute);font-size:13px}
button,select,input{font:inherit;color:inherit}
button{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:7px 12px;cursor:pointer}
button:hover{border-color:var(--acc)}
button.primary{background:var(--acc);color:var(--acc-ink);border-color:var(--acc);font-weight:600}
button:disabled{opacity:.45;cursor:not-allowed}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px}
main{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:16px;padding:16px 20px;max-width:1300px;margin:0 auto}
@media(max-width:860px){main{grid-template-columns:1fr}}
.drop{border:2px dashed var(--line);border-radius:10px;padding:28px;text-align:center;color:var(--mute);background:var(--panel)}
.drop.over{border-color:var(--acc);color:var(--ink)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(var(--tw,140px),1fr));gap:12px;margin-top:14px}
.card{background:var(--panel);border:2px solid var(--line);border-radius:8px;padding:8px;cursor:grab;display:flex;flex-direction:column;gap:6px}
.card.sel{border-color:var(--sel)}
.card.picked{box-shadow:0 0 0 3px var(--sel)}
.bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:14px}
.bar span{flex:1;min-width:180px;color:var(--mute);font-size:13px}
.card{user-select:none}
.card.drag{opacity:.4}
.thumb{height:var(--tw,140px);display:flex;align-items:center;justify-content:center;background:var(--bg);border-radius:4px}
.thumb canvas{max-width:100%;max-height:100%}
.meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--mute)}
.meta button{padding:2px 8px}
aside{display:flex;flex-direction:column;gap:14px}
.box{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px}
.box h2{font-size:15px;margin:0 0 10px}
.row{display:flex;align-items:center;gap:8px;margin:8px 0;flex-wrap:wrap}
.row label{min-width:78px;color:var(--mute)}
.row input[type=range]{flex:1}
.row input[type=text],.row select{flex:1;min-width:0;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:6px 8px}
#preview{display:block;margin:0 auto 8px;background:var(--bg);border-radius:6px;touch-action:none;max-width:100%}
.note{font-size:13px;color:var(--mute);margin:8px 0 0}
#status{min-height:20px;font-size:13px;color:var(--mute)}
#dlg,#fbd,#abt,#shd{position:fixed;inset:0;z-index:10;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;padding:max(12px,env(safe-area-inset-top,0px)) 12px max(12px,env(safe-area-inset-bottom,0px))}
#dlg[hidden],#fbd[hidden],#abt[hidden],#shd[hidden]{display:none}
.dbox{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px;width:min(880px,100%);max-height:100%;display:flex;flex-direction:column;gap:6px}
.dbox h2{font-size:16px;margin:0 0 4px;overflow-wrap:anywhere}
.dgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:10px;overflow:auto;padding:4px;min-height:120px;flex:1}
.dpage{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--mute);cursor:pointer}
.dpage div.pick{display:flex;align-items:center;gap:6px}
.dth{height:130px;background:var(--bg);border:1px solid var(--line);border-radius:4px;display:flex;align-items:center;justify-content:center}
.dth canvas{max-width:100%;max-height:100%}
#dcount{flex:1;color:var(--mute)}
[hidden]{display:none!important}
/* Two independent scroll panes: pages stay in view while the options scroll */
html,body{height:100%}
body{display:flex;flex-direction:column;overflow:hidden}
header,footer{position:static;flex:none}
main{flex:1;min-height:0;width:100%;max-width:1500px;overflow:hidden;align-items:stretch;padding:12px 20px}
main>section,main>aside{min-height:0;overflow:auto;padding-right:4px}
main>section>.bar{position:sticky;top:0;z-index:2;background:var(--bg);margin-top:0;padding:8px 0}
@media(max-width:860px){main{grid-template-columns:1fr;grid-template-rows:minmax(150px,42%) minmax(0,1fr);padding:8px 10px;gap:8px}}
/* Touch and phone use */
button{touch-action:manipulation}
.card{position:relative}
.ck{position:absolute;top:6px;left:6px;width:22px;height:22px;border:2px solid var(--sel);border-radius:50%;background:var(--panel);color:var(--sel);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;pointer-events:none}
.bar button[aria-pressed=true]{background:var(--acc);color:var(--acc-ink);border-color:var(--acc)}
@supports(height:100dvh){html,body{height:100dvh}}
@media(max-width:860px){
  header{padding:8px 10px;gap:8px;flex-wrap:nowrap}
  h1{font-size:16px}
  .tb{flex-wrap:nowrap;overflow-x:auto;min-width:0;padding-bottom:2px}
  .tb button{flex:none;min-width:58px}
  #theme{flex:none}
  .tabs{flex-wrap:nowrap;overflow-x:auto}
  .tabs button{flex:none;white-space:nowrap;padding:8px 12px}
  footer{padding:6px 10px}
}
@media(pointer:coarse){
  aside button,.bar button,.card .meta button,.subtabs button,.ftabs button{min-height:40px}
  aside select,aside input[type=text],aside input[type=number],aside input[type=date],#fbd input[type=text],#fbd textarea,#fbd select,#dlg input[type=text]{font-size:16px;min-height:40px}
  aside input[type=range]{min-height:32px}
}
/* Toolbar sits in the top bar, pages get the main space */
header{padding:8px 16px}
main{grid-template-columns:minmax(0,1fr) 340px;grid-template-areas:"pane side"}
#pane{grid-area:pane}main>aside{grid-area:side}
main.noside{grid-template-columns:minmax(0,1fr);grid-template-areas:"pane"}
main.noside>aside{display:none}
.tb button[aria-pressed=true]:not(.primary){border-color:var(--acc);box-shadow:inset 0 0 0 1px var(--acc)}
.tb button{padding:5px 8px}
.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:50vh;text-align:center;color:var(--mute)}
.empty .big{font-size:22px;color:var(--ink);font-weight:600}
#pane.over{outline:2px dashed var(--acc);outline-offset:-8px}
@media(max-width:860px){
  main{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(150px,42%) minmax(0,1fr);grid-template-areas:"pane" "side"}
  main.noside{grid-template-rows:minmax(0,1fr);grid-template-areas:"pane"}
}
/* Options open in a large pop-up window */
main{grid-template-columns:minmax(0,1fr)!important;grid-template-rows:minmax(0,1fr)!important;grid-template-areas:"pane"!important}
#obk{position:fixed;inset:0;z-index:19;background:rgba(0,0,0,.55)}
main>aside{display:none;position:fixed;z-index:20;left:50%;top:50%;transform:translate(-50%,-50%);width:min(1280px,96vw);height:min(92vh,900px);max-height:calc(100% - 24px);background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:0 24px 70px rgba(0,0,0,.5);padding:0;overflow:hidden;flex-direction:column;gap:0;animation:pop .16s ease-out}
main>aside.open{display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto auto minmax(0,1fr)}
main>aside.open.two{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
aside .ohead,aside nav.tabs{grid-column:1/-1}
@keyframes pop{from{opacity:0;transform:translate(-50%,-47%) scale(.97)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}
aside .ohead{display:flex;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line);flex:none}
aside .ohead h2{margin:0;font-size:21px;flex:1}
aside .tabs{padding:12px 20px 0;flex:none}
aside .box.on{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));column-gap:28px;row-gap:0;align-content:start;grid-row:3;min-height:0;overflow:auto;border:0;border-radius:0;padding:14px 24px 20px}
aside .box.on>h2,aside .box.on>p.note,aside .box.on>#chk{grid-column:1/-1}
aside .box.on #layopts:not([hidden]),aside .box.on #stripopts:not([hidden]),aside .box.on #pstripopts:not([hidden]){display:contents}
aside .box.on canvas{max-width:100%}
aside .box.on h2{font-size:18px;margin:0 0 10px}
aside .box.on .row{margin:7px 0;gap:10px}
aside .box.on .row label{min-width:100px;font-size:15px}
aside .box.on button,aside .box.on select,aside .box.on input,aside .box.on textarea{font-size:15px}
aside .box.on button{padding:8px 14px}
aside .box.on .row input[type=text],aside .box.on .row select,aside .box.on .row input[type=number]{padding:8px 10px}
aside .box.on .note{font-size:13.5px;margin:8px 0 0}
aside nav.tabs button{font-size:14px;padding:9px 6px}
aside .box.on .subtabs button{font-size:14px;padding:9px 6px}
@media(max-width:860px){
  main>aside{inset:0;left:0;top:0;transform:none;width:100%;height:100%;max-height:100%;border-radius:0;animation:none}
  aside .box.on{padding:12px 14px 20px}
  aside .box.on .row label{min-width:96px}
}
/* Pop-up: big picture on the left, small tidy options on the right */
main>aside.open,main>aside.open.two{grid-template-columns:minmax(0,1fr) 380px;grid-template-rows:auto auto minmax(0,1fr)}
#stage{grid-column:1;grid-row:3;display:flex;align-items:center;justify-content:center;padding:14px;background:var(--bg);min-width:0;min-height:0;overflow:auto}
#stage canvas{display:none;box-shadow:0 3px 14px rgba(0,0,0,.28);margin:0}
#stage[data-show=preview] #preview,#stage[data-show=sheetpv] #sheetpv,#stage[data-show=ppv] #ppv,#stage[data-show=sprev] #sprev{display:block}
#stage canvas:not(#preview){width:100%;height:100%;object-fit:contain;box-shadow:none}
#snote{color:var(--mute);font-size:15px;text-align:center}
#optcol{grid-column:2;grid-row:3;min-height:0;overflow:auto;border-left:1px solid var(--line);padding:6px 16px 16px}
aside .box.on{display:block;border:0;border-radius:0;padding:0 0 10px;grid-column:auto}
aside .box.on h2{font-size:15px;margin:10px 0 6px}
aside .box.on .row{margin:5px 0;gap:6px}
aside .box.on .row label{min-width:84px;font-size:13px}
aside .box.on button,aside .box.on select,aside .box.on input,aside .box.on textarea{font-size:13px}
aside .box.on button{padding:5px 10px}
aside .box.on .row input[type=text],aside .box.on .row select,aside .box.on .row input[type=number]{padding:5px 7px}
aside .box.on .note{font-size:12px;margin:5px 0 0}
@media(max-width:860px){
  main>aside.open,main>aside.open.two{grid-template-columns:minmax(0,1fr);grid-template-rows:auto auto minmax(140px,36%) minmax(0,1fr)}
  #stage{grid-column:1;grid-row:3;padding:8px}
  #optcol{grid-column:1;grid-row:4;border-left:0;border-top:1px solid var(--line);padding:4px 12px 16px}
}
/* Donate, feedback and review in the top bar */
.support{display:flex;gap:8px;align-items:center;flex:none}
.glow{border:0;border-radius:999px;padding:9px 16px;font-size:14px;font-weight:700;color:#fff;cursor:pointer;animation:glow 1.8s ease-in-out infinite}
.glow.gd{background:#d6336c;--gc:214,51,108}
.glow.gf{background:#1c7ed6;--gc:28,126,214;animation-delay:.6s}
.glow.gr{background:#e08600;--gc:224,134,0;animation-delay:1.2s}
.glow:hover{filter:brightness(1.1)}
@keyframes glow{0%,100%{box-shadow:0 0 0 0 rgba(var(--gc),0),0 0 6px rgba(var(--gc),.45)}50%{box-shadow:0 0 0 5px rgba(var(--gc),.2),0 0 18px rgba(var(--gc),.95)}}
@media(prefers-reduced-motion:reduce){.glow{animation:none}}
@media(max-width:860px){.glow{padding:7px 11px;font-size:12px}}
/* Compact options */
aside{gap:10px}
aside .box{padding:10px 12px}
aside .box h2{font-size:14px;margin:0 0 6px}
aside button,aside select,aside input{font-size:13px}
aside button{padding:4px 9px}
aside .row{margin:5px 0;gap:6px}
aside .row label{min-width:72px;font-size:13px}
aside .note{font-size:12px;margin:6px 0 0}
aside .tabs button{padding:6px 4px;font-size:12px}
aside .row input[type=text],aside .row select,aside .row input[type=number]{padding:4px 6px}
@media(pointer:coarse){aside select,aside input[type=text],aside input[type=number],aside input[type=date]{font-size:16px}}
/* Phone: title, support buttons and dark mode on the first row, tool buttons on their own row */
@media(max-width:860px){
  header{flex-wrap:wrap;row-gap:6px}
  header h1{flex:none}
  .support{flex:1;justify-content:center;gap:5px;min-width:0}
  .tb{order:3;flex:1 0 100%;width:100%;overflow-x:auto;flex-wrap:nowrap}
  #theme{padding:6px 8px;font-size:12px}
  .glow{padding:6px 9px;font-size:11.5px}
}
/* Top bar: title and support buttons on the first row, all tool buttons together on a tidy row below */
header{flex-wrap:wrap;row-gap:6px}
.support{margin-left:auto}
.tb{order:3;flex:1 0 100%;display:grid;grid-template-columns:repeat(auto-fit,minmax(58px,1fr));gap:5px;align-items:stretch}
.tb .sep{display:none}
.tb button{min-width:0;width:100%;padding:4px 2px;font-size:11px;line-height:1.15;justify-content:center}
.tb button b{font-size:16px}
/* Options pop-up uses the whole screen */
main>aside.open{left:0;top:0;transform:none;width:100vw;height:100vh;max-height:none;border-radius:0;border:0;box-shadow:none;animation:fadein .14s ease-out}
@supports(height:100dvh){main>aside.open{height:100dvh}}
@keyframes fadein{from{opacity:0}to{opacity:1}}
aside .ohead{padding-top:calc(12px + env(safe-area-inset-top,0px))}
@media(min-width:861px){main>aside.open,main>aside.open.two{grid-template-columns:minmax(0,1fr) clamp(320px,32vw,440px)}}
/* Phone: every button visible at once, no sideways swiping */
@media(max-width:860px){
  header{padding:6px 8px;gap:6px;flex-wrap:wrap}
  header h1{font-size:13px}
  .support{flex:1;justify-content:center;gap:4px;min-width:0}
  .glow{padding:4px 7px;font-size:10.5px}
  #theme{padding:4px 7px;font-size:10.5px}
  .tb{order:3;flex:1 0 100%;width:100%;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px;overflow:visible}
  .tb .sep{display:none}
  .tb button{min-width:0;width:100%;padding:3px 1px;font-size:10px;line-height:1.15;min-height:42px;justify-content:center}
  .tb button b{font-size:15px}
}
/* Phone: smaller selection row (more room for pages) and privacy links in the top area */
.copy2{display:none}
@media(max-width:860px){
  main>section>.bar{padding:3px 0;gap:4px}
  .bar span{flex:none;min-width:0;font-size:11px}
  .bar label{font-size:11px;gap:3px}
  .bar input[type=range]{width:60px;min-height:0}
  .bar button{padding:2px 8px;font-size:11px;min-height:28px}
  footer .copy{display:none}
  .copy2{display:block;order:4;flex:1 0 100%;text-align:center;font-size:11px;color:var(--mute);line-height:1.2}
  .copy2 .lnk{font-size:11px}
}
/* Select by page range, above the thumbnails */
.bar input[type=text]{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:5px 8px;width:170px;min-width:0}
@media(max-width:860px){.bar input[type=text]{width:108px;padding:2px 6px;font-size:16px;min-height:28px}}
/* Phone: the picture gets most of the screen; while cropping, only the crop buttons stay */
@media(max-width:860px){
  main>aside.open,main>aside.open.two{grid-template-rows:auto auto minmax(0,1fr) auto}
  #optcol{max-height:40vh;max-height:40dvh}
  aside.cropping nav.tabs{display:none}
  aside.cropping .box.on>*:not(#edit){display:none}
  aside.cropping #edit>*:not(.sub[data-s=tf]){display:none}
  aside.cropping #edit .sub[data-s=tf]>*:not(#cropbar){display:none}
  aside.cropping #optcol{max-height:none}
}