:root{
  color-scheme:dark;
  --bg:#0b0d12;
  --panel:#12151c;
  --panel-2:#181c26;
  --raise:#222839;
  --line:#232938;
  --line-2:#343c52;
  --fg:#e9ecf3;
  --muted:#8e97ac;
  --accent:#5873f6;
  --accent-hi:#8da2ff;
  --accent-fg:#ffffff;
  --accent-soft:rgba(88,115,246,.18);
  --glow:#ffb020;
  --danger:#f0706f;
  --shadow:none;
  --font-ui:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
}
:root[data-theme="light"]{
  color-scheme:light;
  --bg:#edf0f6;
  --panel:#ffffff;
  --panel-2:#f4f6fb;
  --raise:#e6eaf3;
  --line:#dde2ed;
  --line-2:#c4ccdd;
  --fg:#151a27;
  --muted:#667089;
  --accent:#3d5af1;
  --accent-hi:#3d5af1;
  --accent-fg:#ffffff;
  --accent-soft:rgba(61,90,241,.12);
  --glow:#e8890c;
  --danger:#d03a3a;
  --shadow:0 1px 2px rgba(20,30,60,.06),0 10px 28px rgba(20,30,60,.06);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;padding:16px;background:var(--bg);color:var(--fg);font:14px/1.45 var(--font-ui);-webkit-font-smoothing:antialiased}
:focus-visible{outline:2px solid var(--accent-hi);outline-offset:2px}
h1,h2,p{margin:0}

.app{height:100%;min-height:0;display:flex;flex-direction:column;gap:12px}
.top{display:flex;align-items:center;gap:12px 20px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.ver{font-size:11px;color:var(--muted);font-family:var(--font-mono);letter-spacing:.02em}
.logo{width:26px;height:26px;border-radius:8px;background:linear-gradient(180deg,#ff5fa2 0%,#7b5cff 55%,#2a1a6e 100%);box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}
h1{font-size:15px;font-weight:600;letter-spacing:-.01em}
.settings{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.sfield{display:flex;align-items:center;gap:8px;padding:3px 6px 3px 11px;background:var(--panel);border:1px solid var(--line);border-radius:10px;font-size:12px;color:var(--muted);font-weight:500}
.sfield input[type=number]{width:52px;padding:4px 4px;border:0;background:transparent;text-align:right;font-family:var(--font-mono);font-size:13px;color:var(--fg);box-shadow:none}
.sfield input[type=number]:focus{background:var(--accent-soft);border-radius:6px}
.sfield input[type=range]{width:96px}
.spacer{flex:1}
[hidden]{display:none!important}
.kofi{display:flex;align-items:center;line-height:1}
.kofi table,.kofi .btn-container{margin:0}
.about{flex:1;min-height:0;padding:28px;overflow:auto}
.about .wrap{max-width:1100px}
.cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 56px;align-items:start}
@media (max-width:900px){.cols{grid-template-columns:1fr}}
.about h2{font-size:20px;font-weight:600;letter-spacing:-.01em}
.about h3{font-size:15px;font-weight:600;letter-spacing:-.005em;margin:28px 0 8px}
.about h3:first-of-type{margin-top:22px}
.about p,.about li{font-size:13.5px;line-height:1.7;color:var(--muted)}
.about ol{margin:0;padding-left:20px}
.about li+li{margin-top:6px}
.about p+p{margin-top:10px}
.about h2+p{margin-top:10px}
.about b{color:var(--fg);font-weight:600}
.about a{color:var(--accent-hi);text-decoration:none;border-bottom:1px solid transparent}
.about a:hover{border-bottom-color:var(--accent-hi)}
.video{margin-top:14px;position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#000}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.iconbtn{display:grid;place-items:center;width:36px;height:36px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--fg);cursor:pointer}
.iconbtn:hover{border-color:var(--line-2)}
:root:not([data-theme="light"]) .i-moon{display:none}
:root[data-theme="light"] .i-sun{display:none}

.work{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,1fr) clamp(400px,34vw,500px);gap:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}

.gridpane{min-height:0;min-width:0;display:flex;flex-direction:column;overflow:hidden}
.gridtools{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:10px 12px;border-bottom:1px solid var(--line)}
.sep{width:1px;height:20px;background:var(--line)}
.count{font-family:var(--font-mono);font-size:12px;color:var(--muted);white-space:nowrap}
.gridscroll{flex:1;min-height:0;overflow:auto;padding:16px;background:var(--panel-2)}
.gridfoot{display:flex;justify-content:space-between;gap:16px;padding:8px 14px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.grid{display:grid;gap:2px;width:max-content;outline:none}
.cell{position:relative;width:var(--cw);height:var(--ch);border-radius:3px;cursor:pointer}
.cell:hover{filter:brightness(1.15)}
.cell.sel{outline:2px solid var(--accent-hi);outline-offset:1px;z-index:1}
.cell.pri{outline:2px solid var(--fg);outline-offset:2px;z-index:2}
.cell.em{box-shadow:inset 0 0 0 2px var(--glow),0 0 10px 1px var(--glow)}

.btn{font:500 13px var(--font-ui);padding:7px 13px;border:1px solid var(--line);border-radius:9px;background:var(--panel-2);color:var(--fg);cursor:pointer;white-space:nowrap}
.btn:hover:not(:disabled){border-color:var(--line-2);background:var(--raise)}
.btn:disabled{opacity:.4;cursor:default}
.btn.sm{padding:5px 9px;font-size:12px;border-radius:8px}
.btn.primary{background:var(--accent);border-color:transparent;color:var(--accent-fg)}
.btn.primary:hover:not(:disabled){background:var(--accent);filter:brightness(1.12)}
.btn.danger:hover:not(:disabled){border-color:var(--danger);color:var(--danger);background:transparent}
.seg{display:flex;padding:3px;gap:2px;background:var(--panel-2);border:1px solid var(--line);border-radius:10px}
.seg button,.seg a{font:500 12px var(--font-ui);padding:5px 12px;border:0;border-radius:7px;background:none;color:var(--muted);cursor:pointer;text-decoration:none}
.seg .on{background:var(--accent);color:var(--accent-fg)}
.row{display:flex;flex-wrap:wrap;gap:8px}

.side{min-height:0;min-width:0;display:flex;flex-direction:column;overflow:hidden}
.tabs{display:flex;gap:4px;padding:8px;border-bottom:1px solid var(--line);overflow-x:auto;flex:none}
.tab{flex:1 0 auto;padding:8px 12px;border:0;border-radius:9px;background:none;color:var(--muted);font:500 13px var(--font-ui);cursor:pointer}
.tab:hover{color:var(--fg)}
.tab.on{background:var(--accent-soft);color:var(--accent-hi)}
.tabbody{flex:1;min-height:0;overflow:auto;padding:18px}
.tabpanel{display:flex;flex-direction:column;gap:18px}
.tabpanel[hidden]{display:none}
.subpanel{display:flex;flex-direction:column;gap:18px}
.subpanel[hidden]{display:none}
.seg.wide{width:100%}
.seg.wide button{flex:1}
.ph h2,.cellhead h2{font-size:15px;font-weight:600;letter-spacing:-.005em}
.ph p{margin-top:4px;font-size:13px;color:var(--muted)}
.meta{margin-top:3px;font-family:var(--font-mono);font-size:12px;color:var(--muted)}

input[type=number],input[type=text],select,textarea{font:inherit;font-size:13px;color:var(--fg);background:var(--panel-2);border:1px solid var(--line);border-radius:9px;padding:8px 10px;min-width:0;width:100%}
input[type=number],#pHex{font-family:var(--font-mono)}
textarea{font-family:var(--font-mono);font-size:12px;resize:vertical}
input:hover:not([type=range]):not([type=checkbox]),select:hover,textarea:hover{border-color:var(--line-2)}
input:focus:not([type=range]):not([type=checkbox]),select:focus,textarea:focus{outline:none;border-color:var(--accent-hi);box-shadow:0 0 0 3px var(--accent-soft)}
input[type=checkbox]{accent-color:var(--accent);width:16px;height:16px;margin:0}
.field{display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--muted);font-weight:500;min-width:0}
.hexrow{display:flex;gap:6px;align-items:center}
.hexrow input[type=text]{flex:1;min-width:0}
.swatchbtn{width:30px;height:30px;flex:none;padding:0;border:1px solid var(--line-2);border-radius:7px;background:var(--panel-2);color:var(--fg);cursor:pointer;display:flex;align-items:center;justify-content:center}
.swatchbtn:hover:not(:disabled){border-color:var(--accent-hi)}
.swatchbtn:disabled{opacity:.4;cursor:not-allowed}
.field b{font-family:var(--font-mono);font-weight:500;color:var(--fg)}
.field > span{display:flex;justify-content:space-between}
.fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.fields.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.check{display:flex;align-items:center;gap:10px;font-size:13px}
input[type=range]{-webkit-appearance:none;appearance:none;height:6px;border-radius:99px;background:var(--raise);padding:0;border:0;width:100%;min-width:0;cursor:pointer}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:var(--accent-hi);border:2px solid var(--panel);box-shadow:0 0 0 1px var(--line-2)}
input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--accent-hi);border:2px solid var(--panel)}
.how summary{cursor:pointer;color:var(--muted);font-size:12px;font-weight:500}
.how p{margin-top:8px;font-size:12px;line-height:1.6;color:var(--muted)}

.cellhead{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.switch{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:500;cursor:pointer;white-space:nowrap}
.switch input{-webkit-appearance:none;appearance:none;position:relative;width:38px;height:22px;border-radius:99px;background:var(--raise);border:1px solid var(--line-2);margin:0;cursor:pointer;flex:none}
.switch input::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:var(--muted);transition:transform .15s,background .15s}
.switch input:checked{background:var(--glow);border-color:transparent}
.switch input:checked::after{transform:translateX(16px);background:#fff}
.switch input:indeterminate{background:var(--accent-soft);border-color:var(--glow)}
.switch input:indeterminate::after{transform:translateX(8px);background:var(--glow)}

.editor{display:grid;grid-template-columns:66px minmax(0,1fr);gap:14px}
.gcol{display:flex}
.gbar{position:relative;flex:none;width:34px;margin:10px 0 10px 4px;align-self:stretch;border-radius:10px;border:1px solid var(--line-2);cursor:copy;touch-action:none}
.h{position:absolute;left:calc(100% + 7px);width:20px;height:20px;margin:0;padding:0;transform:translateY(50%);border-radius:6px;border:2px solid #fff;background:var(--sc);cursor:ns-resize;touch-action:none;box-shadow:0 0 0 1px rgba(0,0,0,.45),0 2px 6px rgba(0,0,0,.4)}
.h::before{content:"";position:absolute;right:100%;top:50%;width:7px;height:2px;margin-top:-1px;background:var(--muted);margin-right:2px}
.h.on{box-shadow:0 0 0 2px var(--accent-hi),0 0 0 4px var(--accent-soft),0 2px 6px rgba(0,0,0,.4)}
.pcol{display:flex;flex-direction:column;gap:14px;min-width:0}
.sl{position:relative;height:210px;border-radius:12px;cursor:crosshair;touch-action:none;border:1px solid var(--line-2)}
.hue{position:relative;height:14px;border-radius:99px;cursor:pointer;touch-action:none;background:linear-gradient(to right,#f00 0%,#ff0 17%,#0f0 33%,#0ff 50%,#00f 67%,#f0f 83%,#f00 100%)}
.thumb{position:absolute;width:18px;height:18px;border-radius:50%;border:2px solid #fff;transform:translate(-50%,-50%);pointer-events:none;box-shadow:0 0 0 1px rgba(0,0,0,.5),0 2px 6px rgba(0,0,0,.5)}
.hue .thumb{top:50%}
.vals{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr 1fr;gap:8px}
.vals input{padding-inline:8px;-moz-appearance:textfield;appearance:textfield}
.vals input::-webkit-inner-spin-button{display:none}
.stopsrow{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.lab{font-size:12px;font-weight:500;color:var(--muted)}
.chips{display:flex;gap:6px;flex-wrap:wrap;flex:1}
.sc{display:flex;align-items:center;gap:7px;padding:4px 11px 4px 6px;border-radius:99px;border:1px solid var(--line);background:var(--panel-2);color:var(--fg);font:500 12px var(--font-mono);cursor:pointer}
.sc i{width:14px;height:14px;border-radius:50%;box-shadow:0 0 0 1px rgba(255,255,255,.3),0 0 0 2px rgba(0,0,0,.3)}
.sc.on{border-color:var(--accent-hi);background:var(--accent-soft)}
.code{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--bg)}
.codehead{display:flex;align-items:center;justify-content:space-between;padding:6px 8px 6px 12px;border-bottom:1px solid var(--line);font-size:12px;font-weight:500;color:var(--muted)}
.code pre{margin:0;padding:12px;font:12px/1.55 var(--font-mono);color:var(--fg);white-space:pre-wrap;overflow-wrap:break-word}

.clist{display:flex;flex-wrap:wrap;gap:8px;min-height:34px}
.clist .empty{align-self:center;font-size:12px;color:var(--muted)}
.chip{display:flex;align-items:center;gap:8px;padding:3px 6px 3px 3px;border:1px solid var(--line);border-radius:10px;background:var(--panel-2);font-family:var(--font-mono);font-size:12px}
.chip input[type=color]{width:26px;height:26px;padding:0;border:1px solid var(--line-2);border-radius:7px;background:none;cursor:pointer}
.chip button{border:0;background:none;color:var(--muted);cursor:pointer;font-size:16px;line-height:1;padding:0 4px}
.chip button:hover{color:var(--danger)}
.pv{display:block;width:100%;height:auto;image-rendering:pixelated;border:1px solid var(--line);border-radius:10px;background:#000}
.lab2{font-size:12px;font-weight:500;color:var(--muted);margin-bottom:-10px}
.lab2 .hint{font-weight:400;font-style:italic;opacity:.75}

.foot{display:flex;justify-content:space-between;gap:16px;font-size:12px;color:var(--muted);min-height:18px;padding-inline:4px}
#status{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#info{font-family:var(--font-mono);white-space:nowrap}

@media (max-width:1000px){
  html,body{height:auto}
  .app{height:auto}
  .work{display:flex;flex-direction:column}
  .gridpane{height:min(70vh,560px)}
  .side,.tabbody{overflow:visible}
  .foot{flex-direction:column;gap:4px}
  #info{white-space:normal}
}
@media (max-width:520px){
  .vals{grid-template-columns:repeat(3,minmax(0,1fr))}
  .fields{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cellhead{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}