:root{
  --bg:#0f1115;
  --panel:#171a21;
  --panel2:#1c2030;
  --txt:#e7e8ee;
  --muted:#9aa1b4;
  --line:#2a2f44;
  --accent:#a7c5ff;
  --danger:#ff6b6b;
  --ok:#66e3a1;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:var(--bg);
  color:var(--txt);
}

.app{min-height:100%; display:flex; flex-direction:column;}
.topbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 14px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg, #121522, #0f1115);
  gap:14px;
  flex-wrap:wrap;
}
.brand .title{font-weight:700; letter-spacing:0.2px}
.brand .subtitle{font-size:12px; color:var(--muted); margin-top:3px}

.controls{display:flex; align-items:center; gap:8px; flex-wrap:wrap;}
.sep{width:1px; height:28px; background:var(--line); margin:0 6px;}

.btn{
  background:var(--panel);
  border:1px solid var(--line);
  color:var(--txt);
  padding:8px 10px;
  border-radius:10px;
  cursor:pointer;
  font-size:13px;
}
.btn:hover{border-color:#3a4160}
.btn.active{outline:2px solid rgba(167,197,255,0.35); border-color:#4a5b91;}
.btn.primary{background:#1d2a48; border-color:#37518f;}
.btn.primary:hover{border-color:#5a7fe0}
.btn.danger{border-color:rgba(255,107,107,0.6)}
.btn.danger:hover{border-color:rgba(255,107,107,0.95)}
.btn.file{position:relative; overflow:hidden}
.btn.file input{position:absolute; inset:0; opacity:0; cursor:pointer;}

.chk{display:flex; align-items:center; gap:6px; font-size:13px; color:var(--muted); padding:0 6px;}
.zoom{display:flex; align-items:center; gap:8px; font-size:13px; color:var(--muted); padding:0 6px;}
.zoom input{width:110px;}

.main{display:grid; grid-template-columns: 1fr 320px; gap:14px; padding:14px; flex:1;}
.left{display:flex; flex-direction:column; gap:12px; min-width:0; overflow:auto;}

.canvasWrap{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px;

  width: 320px;
  height: 200px;
  overflow: hidden;
  box-sizing: content-box;
}

#view{
  display:block;
  background:#000;
  border-radius:10px;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  width: auto;
  height: auto;
}

.hint{margin-top:10px; color:var(--muted); font-size:12px}

.textPanel{
  display:none;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
}
.textPanelHeader{
  padding:10px 12px;
  font-weight:700;
  border-bottom:1px solid var(--line);
  background:var(--panel2);
}
#roText{
  width:100%;
  height:160px;
  resize:vertical;
  padding:12px;
  background:#0d0f18;
  color:var(--txt);
  border:0;
  outline:none;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size:12px;
  line-height:1.35;
}
.textPanelFooter{
  padding:8px 12px;
  color:var(--muted);
  font-size:12px;
  border-top:1px solid var(--line);
}

.right{display:flex; flex-direction:column; gap:12px;}
.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px;
}
.cardTitle{font-weight:700; margin-bottom:10px}

.palette{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap:8px;
}
.palBtn{
  height:38px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,0.08);
  cursor:pointer;
}
.palBtn:hover{outline:2px solid rgba(255,255,255,0.10)}
.palBtn.selPrimary{outline:2px solid rgba(167,197,255,0.65)}
.palBtn.selSecondary{outline:2px solid rgba(102,227,161,0.65)}

.swatches{display:flex; gap:10px; margin-top:10px}
.swatchBlock{flex:1}
.swLabel{font-size:12px; color:var(--muted); margin-bottom:6px}
.sw{height:28px; border-radius:10px; border:1px solid rgba(255,255,255,0.08); background:#000}

.note{
  margin-top:10px;
  color:var(--muted);
  font-size:12px;
  line-height:1.35;
}
.row{display:flex; align-items:center; justify-content:space-between; gap:10px; margin-top:10px}
.row label{color:var(--muted); font-size:13px}
.row select{
  background:#0d0f18;
  color:var(--txt);
  border:1px solid var(--line);
  border-radius:10px;
  padding:8px 10px;
  width:180px;
}
.row.small{color:var(--muted); font-size:12px; line-height:1.35}