:root{--bg:#000;--fg:#fff;--mut:#8a8a8a;--line:#262626;--card:#0d0d0d;--acc:#f28c28;--accd:#3a2208;--r:12px}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--fg);font:15px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-tap-highlight-color:transparent}
button,input{font:inherit;color:inherit}
[hidden]{display:none!important}
.app{display:flex;flex-direction:column;height:100%;max-width:1400px;margin:0 auto}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;padding-top:max(10px,env(safe-area-inset-top));border-bottom:1px solid var(--line);flex-wrap:wrap}
.top h1{font-size:18px;margin:0;display:flex;align-items:center;gap:8px;font-weight:700;letter-spacing:.2px}
.tabs{display:flex;gap:4px;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:3px}
.tab{background:none;border:0;padding:8px 16px;border-radius:999px;color:var(--mut);cursor:pointer;min-height:38px}
.tab.on{background:var(--fg);color:#000;font-weight:600}
.view{flex:1;overflow:auto;padding:14px;padding-bottom:max(14px,env(safe-area-inset-bottom))}
.bar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.row.end{justify-content:flex-end}
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--card);border:1px solid #3a3a3a;border-radius:10px;padding:9px 14px;min-height:42px;cursor:pointer;user-select:none;white-space:nowrap}
.btn:hover{border-color:#666}.btn.primary{background:var(--acc);border-color:var(--acc);color:#000;font-weight:600}
.btn.danger{color:#ff8a7a;border-color:#4a2620}.btn.small{min-height:34px;padding:5px 10px;font-size:13px}
.btn:disabled{opacity:.4;cursor:default}
.iconbtn{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;background:var(--card);border:1px solid var(--line);cursor:pointer;font-size:20px;padding:0}
.iconbtn.txt{font-size:13px;width:48px}.iconbtn:disabled{opacity:.35}
.sep{width:1px;height:26px;background:var(--line);margin:0 2px}
.muted{color:var(--mut);font-size:13px}
.name{flex:1;min-width:120px;background:transparent;border:1px solid transparent;border-radius:10px;padding:8px 10px;font-size:18px;font-weight:600}
.name:hover,.name:focus{border-color:#3a3a3a;outline:none}
.seg{display:inline-flex;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:3px;gap:2px}
.seg button{background:none;border:0;border-radius:8px;padding:7px 12px;min-height:36px;color:var(--mut);cursor:pointer}
.seg button.on{background:var(--fg);color:#000;font-weight:600}
.seg.tools button.on{background:var(--acc);color:#000}
.seg.small button{padding:5px 10px;font-size:13px;min-height:32px}
.empty{text-align:center;color:var(--mut);padding:40px 10px}.empty h3{color:var(--fg);margin:0 0 6px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:10px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center}
.card:hover{border-color:#555}.card canvas{image-rendering:pixelated;width:64px;height:128px}
.card .t{font-weight:600;word-break:break-word}.badge{font-size:11px;color:var(--acc);border:1px solid var(--accd);border-radius:999px;padding:1px 8px}
.list{display:flex;flex-direction:column;gap:8px}
.item{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:8px 10px}
.item.click{cursor:pointer}.item.click:hover{border-color:#555}
.item canvas{image-rendering:pixelated;width:32px;height:64px;flex:none}
.item .grow{flex:1;min-width:0}.item .t{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.thumbs{display:flex;gap:4px}
/* editor */
#v-editor{display:flex;flex-direction:column;padding-bottom:10px}
.ed-head{margin-bottom:8px}
.ed-body{flex:1;display:flex;gap:14px;min-height:0}
.ed-main{flex:1;display:flex;flex-direction:column;gap:8px;min-width:0;min-height:0}
.ed-canvas-wrap{flex:1;min-height:260px;overflow:auto;background:#050505;border:1px solid var(--line);border-radius:var(--r);display:grid;place-items:center;touch-action:none;overscroll-behavior:contain}
#ed-canvas{display:block;image-rendering:pixelated;touch-action:none;cursor:crosshair;margin:auto}
.ed-tools{display:flex;flex-direction:column;gap:8px}
.ed-side{width:300px;flex:none;display:flex;flex-direction:column;gap:12px;overflow:auto}
.colors{display:flex;gap:10px;align-items:flex-start}
.cur{position:relative;width:52px;height:52px;flex:none;border-radius:12px;overflow:hidden;border:2px solid #fff;cursor:pointer}
.cur input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}
.cur span{display:block;width:100%;height:100%}
.palette{display:grid;grid-template-columns:repeat(8,1fr);gap:4px;flex:1}
.palette button{aspect-ratio:1;border-radius:6px;border:1px solid #333;cursor:pointer;min-width:24px;padding:0}
.palette button.on{outline:2px solid var(--acc);outline-offset:1px}
.previews{display:flex;gap:10px;justify-content:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:10px}
.previews figure{margin:0;text-align:center}.previews canvas{image-rendering:pixelated;width:96px;height:192px;display:block}
figcaption{font-size:12px;color:var(--mut);margin-top:4px}
.geo{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--mut)}
.geo span{flex-basis:100%}
.actions{display:flex;gap:8px;flex-wrap:wrap}
@media (max-width:860px){
  .ed-body{flex-direction:column;overflow:auto}
  .ed-main,.ed-side{flex:none}
  .ed-canvas-wrap{flex:none;height:min(52vh,470px)}
  .ed-side{width:auto;overflow:visible}
  .palette{grid-template-columns:repeat(12,1fr)}
  .top h1{font-size:16px}
  #v-editor{overflow:auto}
}
.views{align-self:flex-start;flex-wrap:wrap;max-width:100%}
.views button.on{background:var(--acc)!important;color:#000}
#v-editor,#ed-canvas,.ed-canvas-wrap{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.lbl{font-size:13px;color:var(--mut)}
#ed-size button{min-width:34px}
.stamp{background:var(--card);border:1px solid var(--acc);border-radius:var(--r);padding:10px 12px;display:flex;flex-direction:column;gap:8px}
.st-head{display:flex;gap:10px;align-items:baseline}
.sl{display:grid;grid-template-columns:58px 1fr 40px;align-items:center;gap:10px;font-size:13px;color:#ccc}
.sl input{width:100%;accent-color:var(--acc);height:28px}
.sl output{text-align:right;font-variant-numeric:tabular-nums;color:#fff}
.chk{display:flex;align-items:center;gap:8px;font-size:13px;color:#ccc;cursor:pointer}
.chk input{width:18px;height:18px;accent-color:var(--acc)}
.grow{flex:1}.st-tip{margin:0}
/* convert */
.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;border:2px dashed #3a3a3a;border-radius:16px;padding:34px 16px;cursor:pointer;margin-bottom:12px}
.drop strong{font-size:18px;color:var(--acc)}.drop span{color:var(--mut);font-size:13px}
.drop.over{border-color:var(--acc);background:#0f0700}
.switch{display:flex;align-items:center;gap:10px;font-size:14px;color:#ccc;margin-bottom:12px;cursor:pointer}
.switch input{position:absolute;opacity:0;width:1px;height:1px}
.switch span{width:44px;height:26px;border-radius:999px;background:#2a2a2a;position:relative;flex:none;transition:.15s}
.switch span::after{content:"";position:absolute;left:3px;top:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:.15s}
.switch input:checked+span{background:var(--acc)}.switch input:checked+span::after{left:21px}
.err{border:1px solid #5a2a20;background:#140604;color:#ffb1a5;border-radius:var(--r);padding:12px 14px;margin-bottom:12px}
.out{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;background:var(--card);border:1px solid var(--acc);border-radius:var(--r);padding:12px 14px;margin-bottom:10px}
.fname{font-size:18px;font-weight:700;word-break:break-all}
.pinfo{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;margin-bottom:10px}
.pinfo h4{margin:0 0 4px;font-size:16px}.pinfo p{margin:0 0 8px;color:#ccc;white-space:pre-wrap}
.pinfo dl{display:grid;grid-template-columns:auto 1fr;gap:3px 12px;margin:0;font-size:13px}
.pinfo dt{color:var(--mut)}.pinfo dd{margin:0;word-break:break-all}
.files{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:10px 14px;margin-bottom:10px}
.files summary{cursor:pointer;font-weight:600}
.files ul{list-style:none;margin:8px 0 0;padding:0;font:12px/1.6 ui-monospace,Consolas,monospace;max-height:340px;overflow:auto}
.files li{display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid #151515}
.files li span:last-child{color:var(--mut);flex:none}
.tip{color:var(--mut);font-size:13px;border-left:3px solid var(--acc);padding:4px 0 4px 10px;margin:12px 0}
.tip b{color:#ddd}
/* modal + toast */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.75);display:flex;align-items:center;justify-content:center;padding:16px;z-index:10}
.sheet{background:#0b0b0b;border:1px solid #333;border-radius:16px;padding:16px;width:min(460px,100%);max-height:85vh;display:flex;flex-direction:column;gap:12px}
.sheet h3{margin:0}#m-body{overflow:auto}
.sheet input[type=text]{width:100%;background:#000;border:1px solid #444;border-radius:10px;padding:10px;font-size:16px}
.pick{display:flex;align-items:center;gap:10px;padding:6px 4px;border-bottom:1px solid #1a1a1a;cursor:pointer}
.pick input{width:20px;height:20px;accent-color:var(--acc)}.pick canvas{image-rendering:pixelated;width:24px;height:48px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#fff;color:#000;border-radius:999px;padding:9px 16px;font-weight:600;z-index:20;max-width:90vw;text-align:center}