:root{
  --bg:#05070c;--bg2:rgba(11,15,24,.86);--bg3:#151b29;--bg4:#1c2435;
  --line:rgba(122,160,255,.15);--line2:rgba(122,160,255,.28);
  --txt:#dce4f5;--mut:#7b88a6;
  --a1:#4de1ff;--a2:#8b5cf6;--a3:#ff4dd2;
  --grad:linear-gradient(135deg,var(--a1),var(--a2));
  --glow:0 0 14px rgba(10,132,255,.35);
  --mono:ui-monospace,"JetBrains Mono","SF Mono",Menlo,Consolas,monospace;
  --sab:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
[hidden]{display:none!important}
html,body{height:100%;margin:0;background:var(--bg);color:var(--txt);font:13px/1.45 Inter,system-ui,"Segoe UI",Roboto,sans-serif;overflow:hidden}
body{display:flex;flex-direction:column;height:100dvh;
  background:radial-gradient(1200px 600px at 80% -10%,rgba(0,0,0,.13),transparent 60%),radial-gradient(900px 500px at -10% 110%,rgba(10,132,255,.10),transparent 60%),var(--bg)}
button,select,input{font:inherit;color:inherit}
.mono{font-family:var(--mono)}.muted{color:var(--mut)}.small{font-size:11px}
button,select{background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));border:1px solid var(--line);border-radius:8px;padding:6px 11px;cursor:pointer;transition:border-color .15s,box-shadow .15s,background .15s}
button:hover,select:hover{border-color:var(--line2);box-shadow:0 0 0 1px rgba(10,132,255,.06),var(--glow)}
button:active{transform:translateY(1px)}
button.primary{background:var(--grad);border-color:transparent;color:#041018;font-weight:650;box-shadow:0 4px 18px rgba(0,0,0,.35)}
button.primary:hover{box-shadow:0 4px 24px rgba(10,132,255,.45)}
button.big{padding:11px 22px;font-size:14px;border-radius:10px}
button.on{border-color:var(--a1);box-shadow:var(--glow);background:rgba(10,132,255,.1)}
button:disabled{opacity:.35;cursor:default;box-shadow:none}
select option,select optgroup{background:#10151f;color:var(--txt)}
.ic{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;vertical-align:-3px}
.ic.mob{display:none}
button .lbl+.ic,button .ic+.lbl{margin-left:6px}

/* top bar */
#topbar{display:flex;align-items:center;gap:6px;padding:8px 12px;background:var(--bg2);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);z-index:5}
.brand{display:flex;align-items:center;gap:8px;font-size:16px;letter-spacing:.6px;margin-right:6px;color:var(--a1)}
.brand span{color:var(--txt)}.brand b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sep{width:1px;height:20px;background:var(--line);margin:0 4px;flex:none}.grow{flex:1}
#main{flex:1;display:flex;min-height:0}

/* stage */
#stage{flex:1;position:relative;overflow:hidden;user-select:none;touch-action:none;
  background:radial-gradient(circle at 50% 40%,#0d1220 0,#070a12 70%),#070a12}
#stage::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:44px 44px;
  mask-image:radial-gradient(circle at 50% 50%,#000 0,transparent 75%);-webkit-mask-image:radial-gradient(circle at 50% 50%,#000 0,transparent 75%)}
#viewport{position:absolute;left:0;top:0;box-shadow:0 20px 70px rgba(0,0,0,.65),0 0 0 1px var(--line)}
#cv{display:block;width:100%;height:100%}
#cropBox{position:absolute;border:1px solid #fff;box-shadow:0 0 0 9999px rgba(3,5,10,.62);cursor:move;touch-action:none}
#cropBox .grid{position:absolute;inset:0;pointer-events:none;background:
 linear-gradient(to right,transparent 33.2%,rgba(255,255,255,.35) 33.3%,transparent 33.5%,transparent 66.4%,rgba(255,255,255,.35) 66.6%,transparent 66.8%),
 linear-gradient(to bottom,transparent 33.2%,rgba(255,255,255,.35) 33.3%,transparent 33.5%,transparent 66.4%,rgba(255,255,255,.35) 66.6%,transparent 66.8%)}
#cropBox i{position:absolute;width:14px;height:14px;background:var(--a1);border:2px solid #04121a;border-radius:3px;margin:-7px 0 0 -7px;box-shadow:var(--glow);touch-action:none}
#cropBox i[data-h=nw]{left:0;top:0;cursor:nwse-resize}#cropBox i[data-h=n]{left:50%;top:0;cursor:ns-resize}
#cropBox i[data-h=ne]{left:100%;top:0;cursor:nesw-resize}#cropBox i[data-h=e]{left:100%;top:50%;cursor:ew-resize}
#cropBox i[data-h=se]{left:100%;top:100%;cursor:nwse-resize}#cropBox i[data-h=s]{left:50%;top:100%;cursor:ns-resize}
#cropBox i[data-h=sw]{left:0;top:100%;cursor:nesw-resize}#cropBox i[data-h=w]{left:0;top:50%;cursor:ew-resize}
#empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:16px}
.dropcard{text-align:center;padding:38px 46px;border:1px dashed var(--line2);border-radius:20px;max-width:540px;background:rgba(10,14,24,.55);backdrop-filter:blur(10px);position:relative}
.dropcard::before{content:"";position:absolute;inset:-1px;border-radius:20px;padding:1px;background:var(--grad);opacity:.25;-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.reticle{color:var(--a1);filter:drop-shadow(0 0 12px rgba(10,132,255,.6));margin-bottom:6px}
.dropcard h1{margin:4px 0 6px;font-weight:600;font-size:22px;letter-spacing:.3px}
.formats{font-family:var(--mono);font-size:11px;letter-spacing:1.5px;color:var(--mut);margin:0 0 18px}
#stage.drag .dropcard{border-color:var(--a1);box-shadow:var(--glow)}
#busy{position:absolute;left:50%;top:16px;transform:translateX(-50%);background:var(--bg2);backdrop-filter:blur(14px);border:1px solid var(--line2);padding:8px 16px;border-radius:24px;display:flex;gap:10px;align-items:center;z-index:5;box-shadow:var(--glow);max-width:92%}
.spin{width:14px;height:14px;border:2px solid #334;border-top-color:var(--a1);border-radius:50%;animation:sp .8s linear infinite;flex:none}@keyframes sp{to{transform:rotate(360deg)}}
#toast{position:absolute;right:14px;bottom:14px;background:var(--bg2);backdrop-filter:blur(14px);border:1px solid var(--line2);padding:9px 13px;border-radius:10px;opacity:0;transition:opacity .25s;pointer-events:none;max-width:420px;z-index:6}
#toast.show{opacity:1}

/* right panel = content column + tool rail */
#panel{display:flex;flex-shrink:0;width:384px;background:var(--bg2);backdrop-filter:blur(16px);border-left:1px solid var(--line)}
#pcol{flex:1;min-width:0;overflow-y:auto;overflow-x:hidden;scrollbar-width:thin;scrollbar-color:#2a3550 transparent}
#rail{width:62px;flex:none;display:flex;flex-direction:column;gap:4px;padding:10px 6px;border-left:1px solid var(--line);background:rgba(4,6,11,.55)}
.rb{display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px 2px;border-radius:10px;border-color:transparent;background:transparent;color:var(--mut);font-size:10px;letter-spacing:.3px}
.rb svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.rb:hover{color:var(--txt);box-shadow:none;border-color:var(--line)}
.rb.on{color:var(--a1);background:rgba(10,132,255,.09);border-color:rgba(10,132,255,.35);box-shadow:var(--glow)}
.histwrap{padding:12px 14px;border-bottom:1px solid var(--line)}
#hist{width:100%;height:92px;background:linear-gradient(180deg,#080b13,#0a0f1a);border:1px solid var(--line);border-radius:8px;display:block}
#histInfo{margin-top:4px;min-height:15px;font-family:var(--mono)}
.tab{padding-bottom:20px}

details{border-bottom:1px solid var(--line)}
summary{padding:11px 14px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;font-family:var(--mono);font-size:11px;letter-spacing:1.6px;text-transform:uppercase;color:#a9b6d6}
summary::after{content:'+';color:var(--a1)}details[open] summary::after{content:'–'}
summary::-webkit-details-marker{display:none}
summary:hover{color:#fff}
.sec{padding:2px 14px 14px}
.subh{margin:12px 0 2px;color:var(--mut);font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:1.5px}

/* sliders */
.sl{display:grid;grid-template-columns:82px 1fr 48px;align-items:center;gap:8px;margin:5px 0}
.sl label{color:#aab6d3;white-space:nowrap;font-size:12px}
.sl input[type=range]{width:100%;margin:0}
.sl input[type=number]{width:48px;background:transparent;border:0;border-bottom:1px solid transparent;text-align:right;padding:0;font-family:var(--mono);font-size:12px;color:#c9d4ee;-moz-appearance:textfield}
.sl input[type=number]:focus{border-bottom-color:var(--a1);outline:0}
.sl input[type=number]::-webkit-inner-spin-button{display:none}
.sl.mod label{color:#fff}.sl.mod input[type=number]{color:var(--a1)}
input[type=range]{-webkit-appearance:none;appearance:none;background:transparent;height:22px;cursor:pointer}
input[type=range]::-webkit-slider-runnable-track{height:3px;border-radius:3px;background:linear-gradient(90deg,#222a3d,#3a4766)}
input[type=range]::-moz-range-track{height:3px;border-radius:3px;background:linear-gradient(90deg,#222a3d,#3a4766)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:#070a12;border:2px solid var(--a1);margin-top:-5.5px;box-shadow:0 0 10px rgba(10,132,255,.55);transition:transform .1s}
input[type=range]::-moz-range-thumb{width:10px;height:10px;border-radius:50%;background:#070a12;border:2px solid var(--a1);box-shadow:0 0 10px rgba(10,132,255,.55)}
input[type=range]:active::-webkit-slider-thumb{transform:scale(1.25)}
.sl.mod input[type=range]::-webkit-slider-thumb{background:var(--a1)}
.sl[data-k=temp] input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(90deg,#3d7bff,#cfd8ff 50%,#ffb02e)}
.sl[data-k=tint] input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(90deg,#2fd17a,#d6d6d6 50%,#e04cff)}
.sl[data-k=saturation] input[type=range]::-webkit-slider-runnable-track,.sl[data-k=vibrance] input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(90deg,#7a7f8c,#ff5d7a,#ffc13d,#3ddc84,#3db8ff,#a46bff)}
.sl[data-k=exposure] input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(90deg,#10131b,#7e8798 55%,#fff)}
.sl[data-k=temp] input[type=range]::-moz-range-track{background:linear-gradient(90deg,#3d7bff,#cfd8ff 50%,#ffb02e)}
.sl[data-k=tint] input[type=range]::-moz-range-track{background:linear-gradient(90deg,#2fd17a,#d6d6d6 50%,#e04cff)}
.chips{display:none}
.sec.chipped .sl.keep{display:grid}

/* segmented control */
.seg{display:flex;gap:0;border:1px solid var(--line);border-radius:9px;overflow:hidden;margin:6px 0 8px}
.seg button{flex:1;border:0;border-radius:0;background:transparent;padding:7px 0;font-family:var(--mono);font-size:11px;letter-spacing:1.4px;text-transform:uppercase;color:var(--mut)}
.seg button.on{background:rgba(10,132,255,.12);color:var(--a1);box-shadow:inset 0 -2px 0 var(--a1)}

/* inner tabs (HSL / curve) */
.tabs{display:flex;gap:4px;margin:6px 0}.tabs button{flex:1;padding:5px 0;font-size:12px}
.sw{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}
#curveCv{width:100%;aspect-ratio:1;background:linear-gradient(180deg,#080b13,#0a0f1a);border:1px solid var(--line);border-radius:8px;display:block;touch-action:none;cursor:crosshair;max-height:300px}
.info{display:grid;grid-template-columns:76px 1fr;gap:3px 10px;font-size:12px}.info span:nth-child(odd){color:var(--mut);font-family:var(--mono);font-size:11px}
.row{display:flex;gap:8px;align-items:center}

/* presets */
.psearch{margin:12px 14px 4px;display:block;width:calc(100% - 28px);background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:9px;padding:8px 11px;outline:0}
.psearch:focus{border-color:var(--a1);box-shadow:var(--glow)}
.pstrength{margin:8px 14px 4px;padding:8px 10px;border:1px solid var(--line);border-radius:10px;background:rgba(10,132,255,.05)}
.pstrength .sl{margin:0;grid-template-columns:70px 1fr 40px}
.pstrength .pname{font-family:var(--mono);font-size:10px;letter-spacing:1.4px;text-transform:uppercase;color:var(--a1);margin-bottom:2px}
.pgroup>summary{padding:9px 14px}
.pgroup .cnt{margin-left:auto;margin-right:8px;color:var(--mut)}
.pgroup>summary{justify-content:flex-start;gap:0}.pgroup>summary::after{margin-left:0}
.pgrid{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:2px 14px 14px}
.pcard{padding:0;border-radius:10px;overflow:hidden;text-align:left;background:var(--bg3);position:relative;display:block}
.pcard .pimg{aspect-ratio:3/2;background:linear-gradient(135deg,#171d2c,#0e121c);display:block;width:100%;object-fit:cover}
.pcard span{display:block;padding:5px 8px 6px;font-size:11px;line-height:1.25;color:#c4cee8;min-height:34px}
.pcard.act{border-color:var(--a1);box-shadow:var(--glow)}.pcard.act span{color:#fff}
.pcard .del{position:absolute;top:4px;right:4px;width:20px;height:20px;border-radius:50%;padding:0;line-height:16px;background:rgba(0,0,0,.65);opacity:0;font-size:13px}
.pcard:hover .del{opacity:1}
.pempty{padding:4px 14px 14px;color:var(--mut);font-size:12px}
.psave{margin:0 14px 10px;width:calc(100% - 28px)}

/* filmstrip */
#filmstrip{height:96px;background:var(--bg2);backdrop-filter:blur(14px);border-top:1px solid var(--line);display:flex;gap:8px;padding:8px 12px;overflow-x:auto;flex-shrink:0;scrollbar-width:thin}
.th{position:relative;flex:0 0 auto;height:78px;min-width:80px;border:1px solid var(--line);border-radius:8px;overflow:hidden;cursor:pointer;background:#0a0d15;transition:border-color .15s,box-shadow .15s}
.th:hover{border-color:var(--line2)}
.th.sel{border-color:var(--a1);box-shadow:var(--glow)}
.th img{height:100%;width:auto;display:block}
.th .nm{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(0,0,0,.8));font-size:10px;padding:8px 5px 2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.th .rt{position:absolute;left:4px;top:2px;font-size:10px;color:#ffd84a;text-shadow:0 0 3px #000}
.th .fl{position:absolute;right:4px;top:2px;font-size:12px}
.th .ld{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.45)}
.th .rm{position:absolute;right:4px;bottom:20px;width:22px;height:22px;line-height:17px;padding:0;border-radius:50%;background:rgba(0,0,0,.7);border:1px solid #667;color:#fff;font-size:15px;opacity:0;transition:opacity .12s}
.th:hover .rm,.th.sel .rm{opacity:1}
.th .rm:hover{background:#c0392b;border-color:#c0392b}

dialog{background:#0c111b;color:var(--txt);border:1px solid var(--line2);border-radius:14px;padding:20px 24px;min-width:340px;box-shadow:0 20px 80px rgba(0,0,0,.7)}
dialog::backdrop{background:rgba(2,4,9,.7);backdrop-filter:blur(3px)}
dialog h3{margin:0 0 10px;font-weight:600}dialog label{display:flex;gap:8px;align-items:center;justify-content:space-between;margin:9px 0}
dialog label.row{justify-content:flex-start}
dialog input[type=number]{width:96px;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:6px;padding:5px 8px}
.actions{display:flex;gap:8px;justify-content:flex-end;margin-top:14px}
#tip{position:fixed;z-index:50;max-width:290px;background:rgba(7,10,17,.96);color:#e6ecfb;border:1px solid var(--line2);border-radius:9px;padding:8px 11px;font-size:12px;line-height:1.45;box-shadow:0 8px 28px rgba(0,0,0,.6),var(--glow);pointer-events:none;opacity:0;transition:opacity .12s}
#tip.show{opacity:1}
@media (hover:none){#tip{display:none}}
@media (max-width:1100px) and (min-width:821px){#panel{width:340px}.sl{grid-template-columns:70px 1fr 44px}}


/* ---- top bar group / stage bar / immersive ---- */
.tgroup{display:flex;gap:2px;padding:3px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.03)}
.tgroup button{border-color:transparent;background:transparent;padding:6px 12px}
.tgroup button:hover{background:rgba(10,132,255,.07);border-color:var(--line)}
#stageBar{position:absolute;left:0;right:0;bottom:0;z-index:4;display:flex;align-items:center;gap:10px;padding:6px 10px;background:var(--bg2);backdrop-filter:blur(14px);border-top:1px solid var(--line)}
.sb-group{display:flex;gap:4px}.sb-group button,.sb-zoom button,#btnNav{padding:5px 9px}
.sb-zoom{display:flex;align-items:center;gap:6px;margin-left:auto;min-width:0}
.sb-zoom input[type=range]{width:200px;max-width:34vw}
#zoomLbl{min-width:44px;text-align:right;font-size:11px}
#btnNav svg{transition:transform .2s}
body.nav-collapsed #btnNav svg{transform:rotate(180deg)}
body.nav-collapsed #filmstrip{display:none}
#exitFull{position:absolute;top:12px;right:12px;z-index:6;display:flex;align-items:center;gap:6px}
body.immersive #topbar,body.immersive #panel,body.immersive #filmstrip{display:none}

/* ---- toggles in section headers ---- */
summary .tog{margin-left:auto;margin-right:10px;width:30px;height:16px;border-radius:9px;background:#252c3f;border:1px solid var(--line2);position:relative;cursor:pointer;flex:none}
summary .tog::after{content:"";position:absolute;top:2px;left:2px;width:10px;height:10px;border-radius:50%;background:#7b88a6;transition:transform .15s,background .15s}
summary .tog.on{background:rgba(10,132,255,.25);border-color:var(--a1)}
summary .tog.on::after{transform:translateX(14px);background:var(--a1);box-shadow:var(--glow)}
summary.hastog{justify-content:flex-start}summary.hastog::after{margin-left:0}
.subh.c{text-align:center;color:#c3cde6;font-size:11px;margin:14px 0 4px}

/* ---- colour mixer (dots) + gradient tracks ---- */
.dots{display:flex;justify-content:space-between;gap:6px;margin:8px 0 12px}
.dot{width:28px;height:28px;border-radius:50%;padding:0;border:2px solid transparent;box-shadow:inset 0 0 0 2px rgba(5,7,12,.7)}
.dot.act{border-color:#fff;box-shadow:inset 0 0 0 2px rgba(5,7,12,.7),0 0 12px rgba(255,255,255,.35)}
.sl.trk input[type=range]::-webkit-slider-runnable-track{background:var(--trk)}
.sl.trk input[type=range]::-moz-range-track{background:var(--trk)}
.mixlabel{display:flex;justify-content:space-between;margin:2px 0 -2px;font-size:13px;color:#e4eaf8}
.sl.big{grid-template-columns:1fr auto;grid-template-areas:"l v" "s s";row-gap:0}
.sl.big label{grid-area:l;font-size:14px;color:#cfd8ee}.sl.big input[type=number]{grid-area:v;font-size:14px}.sl.big input[type=range]{grid-area:s}

/* ---- colour grading wheels ---- */
.gmodes{display:flex;gap:8px;align-items:center;margin:4px 0 8px}
.gmodes button{width:38px;height:38px;border-radius:50%;padding:0;display:flex;align-items:center;justify-content:center}
.gmodes button svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6}
.gmodes button.on{border-color:#fff;box-shadow:0 0 0 1px #fff,var(--glow);background:rgba(255,255,255,.08)}
.gmodes .gs{width:1px;height:22px;background:var(--line)}
.wheel{display:flex;flex-direction:column;align-items:center;gap:2px}
.wheel h4{margin:6px 0 2px;font-weight:500;font-size:14px;color:#aab6d3}
.wheel canvas{touch-action:none;cursor:crosshair;border-radius:50%;max-width:100%}
.wheel .sl{width:100%;grid-template-columns:20px 1fr 36px;gap:6px}
.wheel .sl label{font-size:0}.wheel .sl label::before{content:"☼";font-size:14px;color:var(--mut)}
.wrow{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:6px}
.wrow .wheel canvas{width:100%;height:auto}
.wmid canvas{width:min(190px,100%)}

/* ---- geometry panel ---- */
.croprow{display:grid;grid-template-columns:48px 1fr;align-items:center;gap:8px;margin:6px 0}
.croprow label{color:#cfd8ee;font-size:13px}
.croprow select{width:100%}
.cropact{display:flex;gap:6px;margin:0 0 8px}.cropact button{flex:1}
.gbtns{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;margin:4px 0 8px}
.gbtns button{display:flex;align-items:center;gap:7px;justify-content:center;padding:8px 6px;font-size:12px}
.gbtns button.wide{grid-column:1/-1}
.achips{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 8px}
.achips button{padding:5px 9px;font-size:11px;border-radius:999px}
.achips .ig{border-color:rgba(255,55,95,.4)}
.achips .ig:hover,.achips .ig.on{border-color:#ff4dd2;box-shadow:0 0 12px rgba(255,55,95,.35)}

/* ---- layers ---- */
.lbar{display:flex;gap:6px;padding:12px 14px 4px}.lbar button{flex:1;font-size:12px}
.lhead{padding:10px 14px 4px;font-family:var(--mono);font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:var(--mut)}
.lempty{padding:6px 14px 10px;color:var(--mut);font-size:12px}
.lrow{display:flex;align-items:center;gap:8px;margin:2px 10px;padding:6px 8px;border:1px solid transparent;border-radius:10px;cursor:pointer}
.lrow:hover{background:rgba(255,255,255,.03)}
.lrow.sel{border-color:rgba(10,132,255,.4);background:rgba(10,132,255,.07)}
.lrow.off .ln{opacity:.4}
.lrow .eye{width:30px;height:28px;padding:0;display:flex;align-items:center;justify-content:center;color:var(--mut);flex:none}
.lrow .eye.on{color:var(--a1)}
.lrow .eye svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7}
.ln{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.25}
.ln b{font-weight:500;font-size:13px}.ln small{color:var(--mut);font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lrow .mk{color:var(--a1);font-size:14px}
.lrow .ldel{width:22px;height:22px;padding:0;border-radius:50%;line-height:16px}
.ldetail{margin:8px 14px 20px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.02)}
.ldetail .pname{font-family:var(--mono);font-size:11px;letter-spacing:1.4px;text-transform:uppercase;color:var(--a1);margin-bottom:4px}
.ldetail .sl{grid-template-columns:78px 1fr 44px}
#maskSvg{position:absolute;left:0;top:0;pointer-events:none;overflow:visible;display:none}
#maskSvg .ms{fill:none;stroke:#fff;stroke-width:1.5;stroke-dasharray:6 4;filter:drop-shadow(0 0 2px #000)}
#maskSvg .ms.in{stroke:rgba(255,255,255,.55);stroke-width:1;stroke-dasharray:2 4}
#maskSvg .ms.arrow{stroke:var(--a1);stroke-dasharray:none;stroke-width:2}
#maskSvg .mf{fill:rgba(10,132,255,.10);stroke:none}
#maskSvg .mh{fill:var(--a1);stroke:#04121a;stroke-width:2;pointer-events:all;touch-action:none;filter:drop-shadow(0 0 5px rgba(10,132,255,.8))}


/* ---- Info button in the bottom toolbar ---- */
#btnInfo.on{border-color:var(--a1);box-shadow:var(--glow);background:rgba(10,132,255,.1)}

/* ---- Learn tab ---- */
.lr-head{padding:14px 14px 4px}
.lr-title{font-size:18px;font-weight:600;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:inline-block}
.lr-sub{color:var(--mut);font-size:12px;margin-top:2px}
.lr-progress{display:flex;align-items:center;gap:10px;padding:8px 14px 0;font-size:11px;color:var(--mut);font-family:var(--mono)}
.lr-bar{flex:1;height:5px;border-radius:5px;background:#1b2234;overflow:hidden}.lr-bar i{display:block;height:100%;background:var(--grad)}
.lr-chips{padding:0 14px}
.lr-chipgroup{display:flex;flex-wrap:wrap;gap:5px;margin:6px 0}
.lr-chip{padding:4px 10px;border-radius:999px;font-size:11px;background:rgba(255,255,255,.03)}
.lr-chip.on{border-color:var(--a1);color:var(--a1);background:rgba(10,132,255,.1)}
.lr-path,.lr-list{padding:0 10px}
.lr-path .lhead,.lr-list .lhead{padding-left:4px}
.lr-card{display:flex;gap:10px;width:100%;text-align:left;padding:8px;margin:5px 0;border-radius:12px;background:rgba(255,255,255,.025);align-items:stretch}
.lr-card:hover{background:rgba(10,132,255,.06)}
.lr-card.done{opacity:.72}
.lr-cover{flex:none;width:54px;border-radius:9px;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.92);font-weight:700;font-size:15px;text-align:center;overflow:hidden;line-height:1.1}
.lr-cover span{font-size:11px;padding:0 3px}
.lr-cover:has(span:only-child){}
.lr-meta{min-width:0;flex:1}
.lr-badges{display:flex;gap:6px;align-items:center;margin-bottom:3px;flex-wrap:wrap}
.lr-badge{font-family:var(--mono);font-size:9.5px;letter-spacing:1px;text-transform:uppercase;padding:1px 7px;border-radius:999px;border:1px solid var(--line2);color:#9fb0d6}
.lr-badge.beginner{color:#7ee2a8;border-color:rgba(126,226,168,.4)}.lr-badge.intermediate{color:#ffc46b;border-color:rgba(255,196,107,.4)}
.lr-min{font-size:10.5px;color:var(--mut)}.lr-check{font-size:10.5px;color:var(--a1)}
.lr-ct{font-size:13px;font-weight:600;color:#e8eefc;line-height:1.3}
.lr-cs{font-size:11.5px;color:var(--mut);line-height:1.4;margin-top:2px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---- article reader ---- */
#reader{position:fixed;inset:0;z-index:40;background:rgba(3,5,10,.78);backdrop-filter:blur(6px);display:flex;justify-content:center;overflow-y:auto;padding:28px 14px}
.rd-card{width:min(760px,100%);background:linear-gradient(180deg,#0e1320,#0a0e18);border:1px solid var(--line2);border-radius:18px;box-shadow:0 30px 90px rgba(0,0,0,.7);align-self:flex-start;margin:auto 0}
.rd-top{position:sticky;top:0;z-index:2;display:flex;justify-content:space-between;align-items:center;padding:12px 18px;border-bottom:1px solid var(--line);background:rgba(10,14,24,.92);backdrop-filter:blur(10px);border-radius:18px 18px 0 0}
.rd-brand{font-family:var(--mono);font-size:11px;letter-spacing:1.6px;text-transform:uppercase;color:var(--a1)}
#rdBody{padding:22px 30px 34px;font-size:15.5px;line-height:1.72;color:#d3dcf0}
#rdBody h1{font-size:30px;line-height:1.2;margin:8px 0 10px;color:#fff;font-weight:650;letter-spacing:-.2px}
#rdBody h3{font-size:18px;margin:26px 0 6px;color:#fff}
#rdBody p{margin:10px 0}
#rdBody ul,#rdBody ol{padding-left:22px;margin:10px 0}#rdBody li{margin:6px 0}
#rdBody li::marker{color:var(--a1)}
.rd-kicker{font-size:12px;color:var(--mut);display:flex;gap:6px;align-items:center}
.rd-lead{font-size:17px;color:#b4c2e4;margin-bottom:6px}
.rd-tip{margin:20px 0;padding:12px 14px;border-left:3px solid var(--a1);background:rgba(10,132,255,.07);border-radius:0 10px 10px 0}
.rd-tip b{color:var(--a1);font-family:var(--mono);text-transform:uppercase;font-size:11px;letter-spacing:1.4px}
.rd-try{margin:26px 0 10px;padding:14px;border:1px solid var(--line2);border-radius:14px;background:rgba(0,0,0,.07);display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.rd-tt{width:100%;font-family:var(--mono);font-size:11px;letter-spacing:1.6px;text-transform:uppercase;color:#aab6d3;margin-bottom:2px}
.rd-src{margin-top:22px;padding-top:12px;border-top:1px solid var(--line)}
.rd-src ul{font-size:13px;margin:6px 0;padding-left:18px}.rd-src a{color:var(--a1);text-decoration:none}.rd-src a:hover{text-decoration:underline}
.rd-nav{display:flex;gap:10px;justify-content:space-between;margin-top:24px;flex-wrap:wrap}.rd-nav button{flex:1;min-width:180px;text-align:left;font-size:13px}.rd-nav button:last-child:not(:first-child){text-align:right}
body.reading{overflow:hidden}


/* ===================================================================================
   tvOS-inspired theme: true-black canvas, frosted glass, soft depth, white focus.
   =================================================================================== */
:root{
  --bg:#000;--bg2:rgba(28,28,30,.72);--bg3:rgba(255,255,255,.08);--bg4:rgba(255,255,255,.14);
  --line:rgba(255,255,255,.09);--line2:rgba(255,255,255,.2);
  --txt:#f5f5f7;--mut:#8e8e93;
  --a1:#0a84ff;--a2:#64d2ff;--a3:#ff375f;
  --grad:linear-gradient(180deg,#ffffff,#e5e5ea);
  --glow:0 12px 32px rgba(0,0,0,.5);
  --mono:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Segoe UI",Inter,system-ui,sans-serif;
}
html,body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Segoe UI",Inter,system-ui,sans-serif;letter-spacing:-.011em;-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}
body{background:radial-gradient(1100px 520px at 50% -18%,rgba(255,255,255,.08),transparent 62%),#000}

/* buttons: soft pills that lift on focus, like tvOS */
button,select{background:var(--bg3);border:0;border-radius:12px;padding:7px 14px;font-weight:500;color:var(--txt);transition:transform .2s cubic-bezier(.2,.8,.2,1),background .2s,box-shadow .2s}
button:hover,select:hover{background:var(--bg4);box-shadow:none;transform:scale(1.035)}
button:active{transform:scale(.98)}
button.primary{background:#f5f5f7;color:#000;font-weight:600;box-shadow:0 6px 20px rgba(0,0,0,.4)}
button.primary:hover{background:#fff;box-shadow:0 12px 30px rgba(0,0,0,.55)}
button.on{background:rgba(255,255,255,.2);color:#fff;box-shadow:none}
button:disabled{opacity:.3}button:disabled:hover{transform:none;background:var(--bg3)}
.ic{stroke-width:1.9}
button.big{padding:13px 28px;font-size:15px;border-radius:999px}

/* top bar */
#topbar{background:rgba(18,18,20,.7);backdrop-filter:blur(40px) saturate(180%);-webkit-backdrop-filter:blur(40px) saturate(180%);border-bottom:1px solid var(--line);padding:10px 18px}
.brand{color:#8e8e93;font-weight:500;letter-spacing:-.02em;font-size:17px}.brand span{color:#8e8e93}.brand b{background:none;-webkit-text-fill-color:#fff;color:#fff;font-weight:700}
.brand svg{color:#fff}
#btnOpen,#btnExport{border-radius:999px;padding:8px 18px}
.tgroup{background:rgba(255,255,255,.08);border:0;border-radius:999px;padding:4px;gap:2px}
.tgroup button{border-radius:999px;background:transparent;padding:7px 16px}
.tgroup button:hover{background:rgba(255,255,255,.14);transform:none}
.tgroup button.on{background:rgba(255,255,255,.22)}

/* photo stage: pure black, big soft shadow */
#stage{background:#000}
#stage::before{display:none}
#viewport{box-shadow:0 40px 100px rgba(0,0,0,.85)}
#cv{border-radius:6px}
#stageBar{background:rgba(18,18,20,.72);backdrop-filter:blur(40px) saturate(180%);-webkit-backdrop-filter:blur(40px) saturate(180%);border-top:1px solid var(--line)}
.sb-group button,.sb-zoom button,#btnNav{background:transparent;border-radius:10px}
.sb-group button:hover,.sb-zoom button:hover,#btnNav:hover{background:rgba(255,255,255,.12)}
#btnInfo.on{background:rgba(255,255,255,.2);box-shadow:none}
#zoomLbl{font-size:12px}
.dropcard{border:0;background:rgba(255,255,255,.06);backdrop-filter:blur(40px);-webkit-backdrop-filter:blur(40px);border-radius:30px;padding:46px 60px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.dropcard::before{display:none}
.reticle{color:#fff;filter:none}
.dropcard h1{font-weight:600;font-size:27px;letter-spacing:-.025em}
.formats{font-family:inherit;letter-spacing:.3px;font-size:12px}
#stage.drag .dropcard{box-shadow:0 0 0 2px #fff,0 30px 80px rgba(0,0,0,.6)}
#cropBox{border-color:#fff}
#cropBox i{background:#fff;border:0;border-radius:50%;width:16px;height:16px;margin:-8px 0 0 -8px;box-shadow:0 2px 8px rgba(0,0,0,.6)}
#toast{border-radius:16px;border:1px solid var(--line);background:rgba(44,44,46,.9)}
#busy{border:1px solid var(--line);box-shadow:0 12px 36px rgba(0,0,0,.5)}
.spin{border-color:rgba(255,255,255,.2);border-top-color:#fff}

/* panel + tool rail */
#panel{background:rgba(22,22,24,.8);backdrop-filter:blur(40px) saturate(180%);-webkit-backdrop-filter:blur(40px) saturate(180%);border-left:1px solid var(--line)}
#rail{background:transparent;border-left:1px solid var(--line);padding:12px 7px;gap:4px}
.rb{border-radius:14px;color:#8e8e93;font-size:10.5px;font-weight:500;letter-spacing:0}
.rb:hover{background:rgba(255,255,255,.08);color:#fff;transform:none}
.rb.on{background:rgba(255,255,255,.17);color:#fff;box-shadow:none}
#rail .rb[data-tab=learn]{margin-top:auto}
.histwrap{padding:14px 16px}
#hist{background:rgba(255,255,255,.04);border:0;border-radius:14px}
#histInfo{font-family:inherit}

/* sections */
details{border-bottom:1px solid var(--line)}
summary{font-family:inherit;font-size:14px;font-weight:600;letter-spacing:-.012em;text-transform:none;color:#f5f5f7;padding:14px 16px}
summary::after,details[open] summary::after{content:'›';font-size:20px;line-height:1;color:#8e8e93;transition:transform .2s}
summary::after{transform:rotate(90deg)}details[open] summary::after{transform:rotate(-90deg)}
summary:hover{color:#fff}
.sec{padding:2px 16px 16px}
.subh,.lhead{font-family:inherit;text-transform:none;letter-spacing:0;font-size:12px;font-weight:600;color:#8e8e93}
.subh.c{color:#d1d1d6;font-size:12.5px}

/* sliders: thin track, white round thumb */
.sl label{color:#d1d1d6;font-size:13px}
.sl input[type=number]{font-family:inherit;color:#d1d1d6;font-size:12.5px}
.sl.mod label{color:#fff}.sl.mod input[type=number]{color:var(--a1)}
input[type=range]::-webkit-slider-runnable-track{height:4px;background:rgba(255,255,255,.18)}
input[type=range]::-moz-range-track{height:4px;background:rgba(255,255,255,.18)}
input[type=range]::-webkit-slider-thumb{width:18px;height:18px;margin-top:-7px;background:#fff;border:0;box-shadow:0 1px 6px rgba(0,0,0,.55)}
input[type=range]::-moz-range-thumb{width:16px;height:16px;background:#fff;border:0;box-shadow:0 1px 6px rgba(0,0,0,.55)}
.sl.mod input[type=range]::-webkit-slider-thumb{background:#fff}
.sl.trk input[type=range]::-webkit-slider-runnable-track{background:var(--trk)}
.sl.trk input[type=range]::-moz-range-track{background:var(--trk)}
.sl[data-k=temp] input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(90deg,#3d7bff,#cfd8ff 50%,#ffb02e)}
.sl[data-k=tint] input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(90deg,#2fd17a,#d6d6d6 50%,#e04cff)}
.sl[data-k=saturation] input[type=range]::-webkit-slider-runnable-track,.sl[data-k=vibrance] input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(90deg,#7a7f8c,#ff5d7a,#ffc13d,#3ddc84,#3db8ff,#a46bff)}
.sl[data-k=exposure] input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(90deg,#10131b,#7e8798 55%,#fff)}

/* segmented control + iOS-style switch */
.seg{background:rgba(255,255,255,.08);border:0;border-radius:11px;padding:2px;gap:2px}
.seg button{border-radius:9px;font-family:inherit;text-transform:none;letter-spacing:0;font-size:12.5px;font-weight:500;color:#d1d1d6;background:transparent;box-shadow:none}
.seg button:hover{transform:none;background:rgba(255,255,255,.08)}
.seg button.on{background:rgba(255,255,255,.22);color:#fff;box-shadow:0 1px 4px rgba(0,0,0,.4)}
summary .tog{width:36px;height:22px;border-radius:12px;background:rgba(255,255,255,.2);border:0}
summary .tog::after{top:2px;left:2px;width:18px;height:18px;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.4)}
summary .tog.on{background:#30d158;border:0}
summary .tog.on::after{transform:translateX(14px);background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.4)}
.tabs button{border-radius:9px}

/* preset cards, filmstrip: posters that scale up on focus */
.psearch{background:rgba(255,255,255,.08);border:0;border-radius:12px}.psearch:focus{box-shadow:0 0 0 2px rgba(255,255,255,.5)}
.pstrength{background:rgba(255,255,255,.06);border:0;border-radius:14px}
.pstrength .pname,.ldetail .pname{color:#fff;font-family:inherit;letter-spacing:0;text-transform:none;font-size:13px;font-weight:600}
.pcard{border-radius:16px;background:rgba(255,255,255,.06);box-shadow:none}
.pcard:hover{transform:scale(1.045);box-shadow:0 16px 38px rgba(0,0,0,.6);z-index:2}
.pcard.act{box-shadow:0 0 0 2px #fff}.pcard.act:hover{box-shadow:0 0 0 2px #fff,0 16px 38px rgba(0,0,0,.6)}
.pcard span{color:#e5e5ea;font-weight:500}
#filmstrip{background:rgba(18,18,20,.72);backdrop-filter:blur(40px) saturate(180%);-webkit-backdrop-filter:blur(40px) saturate(180%);border-top:1px solid var(--line)}
.th{border:0;border-radius:12px;background:rgba(255,255,255,.06)}
.th:hover{transform:scale(1.045);box-shadow:0 12px 28px rgba(0,0,0,.6)}
.th.sel{box-shadow:0 0 0 2px #fff}.th.sel:hover{box-shadow:0 0 0 2px #fff,0 12px 28px rgba(0,0,0,.6)}
.th.add{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-width:104px;padding:0 14px;color:#d1d1d6;background:rgba(255,255,255,.07);border:1px dashed rgba(255,255,255,.28);cursor:pointer;font-size:11px;font-weight:500}
.th.add svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.th.add:hover{background:rgba(255,255,255,.13);color:#fff;border-color:rgba(255,255,255,.5)}
.th .nm{font-weight:500}

/* learn */
.lr-title{background:none;-webkit-text-fill-color:#fff;color:#fff;font-size:23px;font-weight:700;letter-spacing:-.025em}
.lr-bar{background:rgba(255,255,255,.12)}.lr-bar i{background:#fff}
.lr-progress{font-family:inherit}
.lr-chip{background:rgba(255,255,255,.08);color:#d1d1d6}
.lr-chip.on{background:#f5f5f7;color:#000;border-color:transparent}
.lr-card{border-radius:18px;background:rgba(255,255,255,.06);padding:9px}
.lr-card:hover{background:rgba(255,255,255,.1);transform:scale(1.02)}
.lr-cover{border-radius:12px}
.lr-badge{font-family:inherit;letter-spacing:.2px;text-transform:none;font-weight:600;font-size:10.5px}
.lr-ct{font-weight:600;letter-spacing:-.012em}
.lr-check{color:#30d158}
#reader{background:rgba(0,0,0,.72)}
.rd-card{background:#1c1c1e;border:1px solid var(--line);border-radius:28px;box-shadow:0 40px 120px rgba(0,0,0,.8)}
.rd-top{background:rgba(28,28,30,.85);border-radius:28px 28px 0 0}
.rd-brand{font-family:inherit;letter-spacing:0;text-transform:none;font-size:13px;font-weight:600;color:#8e8e93}
#rdBody h1{font-size:36px;letter-spacing:-.03em;font-weight:700}
#rdBody h3{letter-spacing:-.02em}
#rdBody li::marker{color:#8e8e93}
.rd-lead{color:#c7c7cc}
.rd-tip{border-left-color:#fff;background:rgba(255,255,255,.07)}.rd-tip b{color:#fff;font-family:inherit;letter-spacing:0;text-transform:none;font-size:13px}
.rd-try{background:rgba(255,255,255,.06);border:0;border-radius:20px}
.rd-tt{font-family:inherit;letter-spacing:0;text-transform:none;font-size:13px;font-weight:600;color:#d1d1d6}
.rd-src a{color:#64d2ff}

/* layers, colour tools, dialogs, tooltips */
.lrow.sel{background:rgba(255,255,255,.1);border-color:transparent}.lrow .eye.on{color:#fff}
.ldetail{border:0;background:rgba(255,255,255,.05);border-radius:16px}
.lrow .mk{color:#fff}
#maskSvg .mh{fill:#fff;stroke:rgba(0,0,0,.5);filter:drop-shadow(0 2px 6px rgba(0,0,0,.6))}
#maskSvg .ms.arrow{stroke:#fff}#maskSvg .mf{fill:rgba(255,255,255,.1)}
.dot.act{border-color:#fff;box-shadow:inset 0 0 0 2px rgba(0,0,0,.6),0 0 0 2px rgba(255,255,255,.25)}
.gmodes button.on{box-shadow:0 0 0 2px #fff;background:rgba(255,255,255,.12)}
.achips button{border-radius:999px}
.chip{background:rgba(255,255,255,.08)}
.chip.act{background:#f5f5f7;color:#000;border-color:transparent;box-shadow:none}.chip.act b{color:#555}
.chip.mod b{color:var(--a1)}
#curveCv{background:rgba(255,255,255,.04);border:0;border-radius:14px}
dialog{background:#1c1c1e;border:1px solid var(--line);border-radius:24px}
dialog input[type=number]{background:rgba(255,255,255,.08);border:0;border-radius:8px}
#tip{background:rgba(44,44,46,.96);border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 40px rgba(0,0,0,.6)}
.info{font-size:12.5px}.info span:nth-child(odd){font-family:inherit}

/* ================= mobile (Snapseed / Lightroom-mobile style) ================= */
@media (max-width:820px){
  #topbar{overflow-x:auto;flex-wrap:nowrap;gap:4px;padding:6px 8px;scrollbar-width:none}
  #topbar::-webkit-scrollbar{display:none}
  #topbar button{flex:none;padding:8px 10px;min-height:40px}
  .brand span,.sep,#zoomLbl,.lbl{display:none}
  .brand{display:none}
  #btnExport{position:sticky;right:0;margin-left:auto;box-shadow:-10px 0 14px 6px var(--bg),0 4px 18px rgba(0,0,0,.35)}
  #btnOpen .lbl,#btnExport .lbl{display:inline}
  .ic.mob{display:inline-block}
  .brand{margin-right:2px}
  .grow{flex:0 0 4px}
  #main{display:contents}
  #stage{flex:1;order:2;min-height:120px}
  #filmstrip{order:3;height:64px;padding:5px 8px;gap:6px}
  .th{height:52px;min-width:56px}
  .th .nm{display:none}
  .th .rm{opacity:1;bottom:auto;top:2px;right:2px;width:20px;height:20px}
  #panel{order:4;flex-direction:column;width:100%;border-left:0;border-top:1px solid var(--line2);padding-bottom:var(--sab);background:rgba(7,10,17,.94)}
  #pcol{flex:none;max-height:36dvh;order:1}
  .histwrap{display:none}
  #rail{order:2;flex-direction:row;width:100%;border-left:0;border-top:1px solid var(--line);padding:4px 6px;gap:2px;justify-content:space-between}
  .rb{flex:1;padding:6px 0 4px}
  .rb svg{width:22px;height:22px}
  #panel.collapsed #pcol{display:none}
  .sec{padding:2px 12px 12px}
  summary{padding:10px 12px}

  /* Snapseed-style: chip row picks the parameter, ONE big slider below */
  .sec.chipped .sl{display:none}
  .sec.chipped .subh{display:none}
  .sec.chipped .sl.act{display:grid;grid-template-columns:1fr auto;grid-template-areas:"l v" "s s";row-gap:2px;margin:4px 0 8px}
  .sec.chipped .sl.act label{grid-area:l;font-size:13px;color:#fff}
  .sec.chipped .sl.act input[type=number]{grid-area:v;font-size:16px;color:var(--a1);width:64px}
  .sec.chipped .sl.act input[type=range]{grid-area:s;height:36px}
  .sec.chipped .sl.act input[type=range]::-webkit-slider-thumb{width:26px;height:26px;margin-top:-11.5px}
  .sec.chipped .sl.act input[type=range]::-webkit-slider-runnable-track{height:4px}
  .chips{display:flex;gap:6px;overflow-x:auto;padding:8px 0 6px;scrollbar-width:none}
  .chips::-webkit-scrollbar{display:none}
  .chip{flex:none;padding:6px 11px;border-radius:999px;font-size:12px;white-space:nowrap;background:rgba(255,255,255,.04)}
  .chip b{font-family:var(--mono);font-weight:500;font-size:11px;color:var(--mut);margin-left:6px}
  .chip.mod b{color:var(--a1)}
  .chip.act{border-color:var(--a1);background:rgba(10,132,255,.12);box-shadow:var(--glow)}
  .chip.act b{color:#fff}

  /* presets become a swipeable strip per group */
  .psearch{display:none}
  .pgrid{display:flex;overflow-x:auto;gap:8px;scrollbar-width:none}
  .pgrid::-webkit-scrollbar{display:none}
  .pcard{flex:0 0 112px}
  .pcard .del{opacity:1}
  .pstrength{margin:8px 12px 2px}
  .sl{grid-template-columns:70px 1fr 42px}
    #cropBox i{width:26px;height:26px;margin:-13px 0 0 -13px}
  .dropcard{padding:26px 22px}
  #toast{left:10px;right:10px;bottom:10px;max-width:none}
  dialog{min-width:0;width:calc(100vw - 32px)}
}

@media (max-width:820px){
  .tgroup{padding:2px}.tgroup button{padding:8px 9px;min-height:40px}.tgroup .lbl{display:none}
  #topbar .grow{flex:1}
  #stageBar{padding:4px 6px;gap:6px}
  .sb-group .lbl,.sb-zoom .lbl{display:none}
  .sb-group button,.sb-zoom button,#btnNav{padding:7px 8px;min-height:36px}
  #zoomOut,#zoomIn,#zoomLbl{display:none}
  .sb-zoom{flex:1}.sb-zoom input[type=range]{flex:1;width:auto;max-width:none}
  body.nav-collapsed #pcol,body.nav-collapsed #filmstrip{display:none}
  .rb span{font-size:9.5px}
  .rb{min-width:0}
  .wmid canvas{width:min(150px,100%)}
  .ldetail{margin:6px 10px 12px}
  .lrow{margin:2px 6px}
  #exitFull{top:8px;right:8px}
}

@media (max-width:820px){
  #reader{padding:0}.rd-card{border-radius:0;min-height:100%;border:0;width:100%}
  .rd-top{border-radius:0}#rdBody{padding:16px 18px 30px;font-size:15px}#rdBody h1{font-size:24px}
  .lr-cover{width:46px}
}

@media (max-width:820px){
  .th.add{min-width:64px;padding:0 8px}.th.add span{display:none}
  .th.add svg{width:22px;height:22px}
  #btnExport{box-shadow:-10px 0 14px 6px #000}
  .brand{display:none}
}