@font-face{
  font-family:'Geist';
  src:url('https://cdn.jsdelivr.net/npm/[email protected]/dist/fonts/geist-sans/Geist-Regular.woff2') format('woff2');
  font-weight:400;
  font-display:swap;
}
@font-face{
  font-family:'Geist';
  src:url('https://cdn.jsdelivr.net/npm/[email protected]/dist/fonts/geist-sans/Geist-Medium.woff2') format('woff2');
  font-weight:500;
  font-display:swap;
}
@font-face{
  font-family:'Geist';
  src:url('https://cdn.jsdelivr.net/npm/[email protected]/dist/fonts/geist-sans/Geist-SemiBold.woff2') format('woff2');
  font-weight:600;
  font-display:swap;
}
@font-face{
  font-family:'Geist Mono';
  src:url('https://cdn.jsdelivr.net/npm/[email protected]/dist/fonts/geist-mono/GeistMono-Regular.woff2') format('woff2');
  font-weight:400;
  font-display:swap;
}
@font-face{
  font-family:'Geist Mono';
  src:url('https://cdn.jsdelivr.net/npm/[email protected]/dist/fonts/geist-mono/GeistMono-Medium.woff2') format('woff2');
  font-weight:500;
  font-display:swap;
}
:root{
  --bg:#fafafa;
  --panel:#ffffff;
  --line:#eaeaea;
  --line-strong:#d4d4d4;
  --text:#171717;
  --text-dim:#737373;
  --accent:#171717;
}
*{box-sizing:border-box;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Geist','Inter',system-ui,-apple-system,sans-serif;
  min-height:100vh;
  display:flex;
  justify-content:center;
  padding:56px 20px;
  -webkit-font-smoothing:antialiased;
}
.wrap{width:100%;max-width:880px;}
header{margin-bottom:36px;}
.eyebrow{
  font-family:'Geist Mono',monospace;
  font-size:12px;
  letter-spacing:0.02em;
  color:var(--text-dim);
  margin:0 0 10px;
}
h1{
  font-size:26px;
  font-weight:600;
  letter-spacing:-0.02em;
  margin:0 0 10px;
}
p.sub{
  color:var(--text-dim);
  font-size:14px;
  line-height:1.65;
  margin:0;
  max-width:520px;
}
.board{
  display:grid;
  grid-template-columns:1fr 320px;
  gap:16px;
  align-items:start;
}
@media (max-width:720px){
  .board{grid-template-columns:1fr;}
}
.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:12px;
  padding:24px;
}
label{
  display:block;
  font-size:12px;
  font-weight:500;
  color:var(--text-dim);
  margin-bottom:6px;
}
.field{margin-bottom:18px;}
textarea, select{
  width:100%;
  border:1px solid var(--line-strong);
  border-radius:8px;
  background:var(--panel);
  color:var(--text);
  font-family:'Geist',system-ui,sans-serif;
  font-size:14px;
  padding:10px 12px;
  resize:vertical;
}
textarea{min-height:84px;font-family:'Geist Mono',monospace;font-size:13px;}
textarea:focus, select:focus{
  outline:none;
  border-color:var(--text);
  box-shadow:0 0 0 3px rgba(23,23,23,0.08);
}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.color-row{display:flex;align-items:center;gap:10px;}
input[type=color]{
  width:40px;height:32px;
  border:1px solid var(--line-strong);
  border-radius:6px;
  padding:0;
  background:none;
  cursor:pointer;
}
.swatch-label{font-family:'Geist Mono',monospace;font-size:12px;color:var(--text-dim);}
.logo-row{display:flex;align-items:center;gap:10px;}
input[type=file]{
  flex:1;
  font-family:'Geist',system-ui,sans-serif;
  font-size:12px;
  color:var(--text-dim);
}
input[type=file]::file-selector-button{
  font-family:'Geist',system-ui,sans-serif;
  font-size:12px;
  font-weight:500;
  padding:7px 12px;
  border:1px solid var(--line-strong);
  border-radius:8px;
  background:var(--panel);
  color:var(--text);
  cursor:pointer;
  margin-right:10px;
}
input[type=file]::file-selector-button:hover{background:#f5f5f5;}
#clearLogo{padding:7px 12px;font-size:12px;flex-shrink:0;}
input[type=range]{
  width:100%;
  accent-color:var(--text);
}
.copied{background:#16a34a !important;border-color:#16a34a !important;color:#fff !important;}
.stamp-frame{
  display:flex;
  justify-content:center;
  align-items:center;
  padding:24px 16px;
}
.qr-box{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:10px;
  padding:16px;
}
#qr-canvas{display:block;image-rendering:pixelated;border-radius:2px;}
.placeholder{
  width:240px;height:240px;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--text-dim);
  text-align:center;
}
.actions{
  margin-top:20px;
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  justify-content:center;
}
button{
  font-family:'Geist',system-ui,sans-serif;
  font-size:13px;
  font-weight:500;
  padding:10px 16px;
  border:1px solid var(--line-strong);
  border-radius:8px;
  background:var(--panel);
  color:var(--text);
  cursor:pointer;
  transition:background 0.12s, border-color 0.12s;
}
button:hover{background:#f5f5f5;}
button.primary{
  background:var(--text);
  color:#fff;
  border-color:var(--text);
}
button.primary:hover{background:#000;}
.note{
  margin-top:16px;
  font-size:12px;
  color:var(--text-dim);
  line-height:1.65;
  border-top:1px solid var(--line);
  padding-top:14px;
}
footer{
  margin-top:36px;
  font-size:12px;
  color:var(--text-dim);
  text-align:center;
}