:root{--bg:#f4f6f8;--card:#fff;--ink:#17202a;--mut:#667;--pri:#0f766e;--dan:#b91c1c;--line:#dde3e8}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.4 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
.hidden{display:none!important}
header{position:sticky;top:0;z-index:5;background:var(--pri);color:#fff;padding:10px 12px;display:flex;gap:10px;align-items:center}
header h1{font-size:18px;margin:0;white-space:nowrap}
header input{flex:1;min-width:0;border:0;border-radius:8px;padding:8px 10px;font:inherit}
main{padding:12px;padding-bottom:110px;max-width:1100px;margin:0 auto}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.card,.page{background:var(--card);border-radius:12px;box-shadow:0 1px 3px #0002;overflow:hidden;cursor:pointer}
.card img,.page img,.ph{display:block;width:100%;aspect-ratio:3/4;object-fit:cover;background:#e5e9ed}
.meta{padding:8px 10px;display:flex;flex-direction:column}
.meta small{color:var(--mut)}
.empty{grid-column:1/-1;text-align:center;color:var(--mut);padding:50px 10px}
.pages .page{cursor:default}
.pages img{object-fit:contain;background:#cfd6dc}
.pbar{display:flex;flex-wrap:wrap;align-items:center;gap:4px;padding:6px}
.pbar button{padding:6px 7px}
.pbar span{font-weight:600;padding-left:6px}
button,select,input[type=text],#wm{font:inherit}
button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 12px;cursor:pointer}
button:active{transform:scale(.97)}
button.primary{background:var(--pri);border-color:var(--pri);color:#fff}
button.danger{color:var(--dan)}
select,#wm{border:1px solid var(--line);border-radius:8px;padding:8px;background:#fff;max-width:100%}
.bar{display:flex;gap:8px;align-items:center;padding:6px 0}
.bar.wrap{flex-wrap:wrap}
.sp{flex:1}
.fab{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));display:flex;gap:12px;align-items:center}
.round{width:52px;height:52px;border-radius:50%;font-size:22px;padding:0;box-shadow:0 3px 10px #0004}
.round.big{width:64px;height:64px;background:var(--pri);border-color:var(--pri);font-size:28px}
.overlay{position:fixed;inset:0;background:#10151a;color:#fff;z-index:20;display:flex;flex-direction:column;padding:8px 10px;padding-bottom:calc(8px + env(safe-area-inset-bottom))}
.overlay button,.overlay select{color:#17202a}
.overlay button.primary{color:#fff}
.step{display:flex;flex-direction:column;flex:1;min-height:0}
.stage{position:relative;flex:1 1 0;min-height:0;overflow:hidden}
#cropBox,#outCanvas{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}
#cropBox{line-height:0}
#srcView,#outCanvas{display:block;background:#222}
.panel{max-height:44vh;overflow-y:auto;padding-top:6px}
.chips{display:flex;gap:6px;overflow-x:auto;padding-bottom:6px;white-space:nowrap}
.chips button{flex:0 0 auto}
.sliders{display:grid;grid-template-columns:1fr 1fr;gap:6px 14px;padding:4px 0}
.sliders label{flex-direction:column;align-items:stretch;gap:0;font-size:13px}
.sliders input[type=range]{width:100%}
#cropSvg{position:absolute;inset:0;width:100%;height:100%;touch-action:none}
.chips button.on{background:var(--pri);color:#fff;border-color:var(--pri)}
label{display:flex;align-items:center;gap:6px}
input[type=range]{width:110px}
#video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000}
.camTop,.camBot{position:absolute;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:14px;z-index:2}
.camTop{top:0;background:linear-gradient(#000a,#0000)}
.camBot{bottom:0;padding-bottom:calc(20px + env(safe-area-inset-bottom));background:linear-gradient(#0000,#000a)}
.shot{width:72px;height:72px;border-radius:50%;border:5px solid #fff;background:#fff3;padding:0}
#txtArea{flex:1;margin:8px 0;border-radius:10px;border:0;padding:12px;font:15px/1.5 system-ui}
.status{position:fixed;left:50%;transform:translateX(-50%);bottom:90px;background:#000c;color:#fff;padding:10px 16px;border-radius:20px;z-index:40;max-width:90%}
.toast{position:fixed;left:50%;transform:translateX(-50%);top:70px;background:#17202a;color:#fff;padding:10px 16px;border-radius:10px;z-index:50;max-width:90%}

.dlg{align-items:center;justify-content:center;z-index:60;background:#000a}
.dlg .box{background:var(--card);color:var(--ink);border-radius:14px;padding:16px;width:min(92vw,380px);display:flex;flex-direction:column;gap:10px}
.dlg p{margin:0;color:var(--mut)}
.dlg input{border:1px solid var(--line);border-radius:8px;padding:10px;font:inherit;width:100%}
.dlg button{color:#17202a}
.dlg button.primary{color:#fff}

#dlgMsg{white-space:pre-wrap;word-break:break-word;max-height:50vh;overflow:auto;font-size:13px}
.foot{text-align:center;color:var(--mut);font-size:13px;margin-top:24px}
.foot a{color:var(--pri)}

.pages img{cursor:zoom-in}
#viewer{padding:8px 0 0;background:#0b0f13;z-index:30}
#viewer .bar{padding:6px 12px}
#vScroll{flex:1;overflow:auto;display:flex;flex-direction:column;gap:12px;padding:0 0 calc(16px + env(safe-area-inset-bottom));-webkit-overflow-scrolling:touch;touch-action:pan-x pan-y pinch-zoom}
#vScroll img{display:block;width:100%;height:auto;background:#fff;flex:0 0 auto}

.dl{display:flex;gap:6px;padding:0 6px 8px}
.dl select{padding:6px}
.dl button{flex:1;padding:6px 8px}
.dl small{opacity:.9;font-size:12px}
.dl{flex-wrap:wrap}
.dl .tkb{width:84px;border:1px solid var(--line);border-radius:8px;padding:6px;font:inherit}
.dl button.ib{display:inline-flex;align-items:center;justify-content:center;gap:4px;flex:0 0 auto;min-width:36px;height:34px;padding:0 8px}
.dl button.ib.primary{flex:1}
.dl button.ib small{font-size:12px}