:root{
  --bg-0:#0B0D0F;
  --bg-1:#14171A;
  --bg-2:#191D21;
  --line:#23272B;
  --line-strong:#2E3338;
  --text-hi:#F5F6F4;
  --text-mid:#B7BBC0;
  --text-low:#7B8087;
  --accent:#03fc77;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;background:var(--bg-0);color:var(--text-hi);font-family:'Inter',sans-serif;}
.app{min-height:100vh;padding:32px 24px 64px;}
.top{max-width:1180px;margin:0 auto 32px;display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;}
.top h1{font-family:'Sora',sans-serif;font-weight:800;font-size:22px;letter-spacing:-0.02em;margin:0;}
.top .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;margin-right:10px;}
.top p{margin:0;color:var(--text-low);font-size:13px;}

.layout{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:380px 1fr;gap:24px;align-items:start;}
@media (max-width:880px){.layout{grid-template-columns:1fr;}}

.panel{background:var(--bg-1);border:1px solid var(--line);border-radius:16px;padding:24px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:12px;font-weight:600;color:var(--text-mid);text-transform:uppercase;letter-spacing:0.06em;margin-bottom:8px;}
.field input[type=text], .field textarea{
  width:100%;background:var(--bg-2);border:1px solid var(--line);border-radius:10px;color:var(--text-hi);
  padding:11px 13px;font-family:'Inter',sans-serif;font-size:14px;resize:vertical;
}
.field textarea{min-height:88px;line-height:1.5;}
.field input:focus, .field textarea:focus{outline:none;border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(34,214,123,0.12);}
.hint{font-size:11px;color:var(--text-low);margin-top:6px;}

.filerow{display:flex;align-items:center;gap:12px;}
.filerow label.filebtn{
  background:var(--bg-2);border:1px solid var(--line);border-radius:10px;padding:10px 14px;font-size:13px;font-weight:500;
  cursor:pointer;color:var(--text-hi);white-space:nowrap;
}
.filerow label.filebtn:hover{border-color:var(--line-strong);}
.filerow input[type=file]{display:none;}
.filerow span{font-size:12px;color:var(--text-low);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.clearimg{background:none;border:none;color:var(--text-low);font-size:12px;cursor:pointer;text-decoration:underline;padding:0;}

.swatches{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}
.swatch{width:30px;height:30px;border-radius:50%;border:2px solid transparent;cursor:pointer;padding:0;position:relative;}
.swatch.active{border-color:var(--text-hi);}

.custom-color-wrapper{position:relative;width:30px;height:30px;border-radius:50%;overflow:hidden;border:2px solid transparent;cursor:pointer;}
.custom-color-wrapper.active{border-color:var(--text-hi);}
.custom-color-btn{
  width:100%;height:100%;border-radius:50%;
  background:conic-gradient(red, yellow, lime, cyan, blue, magenta, red);
  border:none;padding:0;cursor:pointer;display:block;
}
.custom-color-input{
  position:absolute;top:-10px;left:-10px;width:50px;height:50px;opacity:0;cursor:pointer;
}

.segment{display:flex;background:var(--bg-2);border:1px solid var(--line);border-radius:10px;padding:3px;gap:3px;}
.segment button{flex:1;background:none;border:none;color:var(--text-mid);font-size:13px;font-weight:500;padding:8px 4px;border-radius:8px;cursor:pointer;font-family:'Inter',sans-serif;}
.segment button.active{background:var(--bg-1);color:var(--text-hi);}

.preview-col{display:flex;flex-direction:column;align-items:center;gap:18px;}
.bgpicker{display:flex;gap:8px;align-self:flex-end;}
.bgpicker button{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);cursor:pointer;position:relative;}
.bgpicker button.active{outline:2px solid var(--accent);outline-offset:2px;}
.bg-checker{background-image:linear-gradient(45deg,#3a3f44 25%,transparent 25%),linear-gradient(-45deg,#3a3f44 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#3a3f44 75%),linear-gradient(-45deg,transparent 75%,#3a3f44 75%);background-size:10px 10px;background-position:0 0,0 5px,5px -5px,-5px 0;background-color:#20242a;}
.bg-light{background:#EDEBE3;}
.bg-dark{background:#0B0D0F;}

.canvas-wrap{
  border-radius:20px;overflow:hidden;display:flex;align-items:center;justify-content:center;
  background-image:linear-gradient(45deg,#1c1f22 25%,transparent 25%),linear-gradient(-45deg,#1c1f22 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#1c1f22 75%),linear-gradient(-45deg,transparent 75%,#1c1f22 75%);
  background-size:24px 24px;background-position:0 0,0 12px,12px -12px,-12px 0;background-color:#101315;
  padding:20px;
}
#cardCanvas{display:block;max-width:100%;height:auto;border-radius:8px;}

.actions{display:flex;gap:12px;align-items:center;}
.download-btn{
  background:var(--accent);color:#06210F;border:none;border-radius:12px;padding:14px 26px;font-size:15px;font-weight:700;
  cursor:pointer;font-family:'Inter',sans-serif;display:flex;align-items:center;gap:8px;
}
.download-btn:hover{filter:brightness(1.08);}
.download-btn svg{width:18px;height:18px;}
.note{font-size:12px;color:var(--text-low);text-align:center;max-width:340px;}