body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 20px;
  background-color: #1e1e2f; /* dark bluish background */
  color: #e0e0e0; /* light text for contrast */
}
h1 {
  text-align: center;
  margin-bottom: 20px;
  font-size: 2rem;
  background: linear-gradient(90deg, #ff7e5f, #feb47b);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.preview-container {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
}
.preview-box {
  background: #fff;
  border-radius: 12px;
  padding: 12px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  transition: transform 0.2s, box-shadow 0.2s;
}
.preview-box:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}
.preview-box strong {
  display: block;
  margin-bottom: 8px;
  font-size: 0.95rem;
  color: #444;
}
canvas {
  border: 1px solid #ccc;
  border-radius: 5px;
  background: #eee;
}
.controls {
  margin-top: 20px;
  text-align: center;
  margin-bottom: 30px;
}
button, select, label {
  padding: 8px 14px;
  font-size: 0.95rem;
  border-radius: 6px;
  border: none;
  margin-right: 10px;
  cursor: pointer;
  transition: all 0.2s;
}
button {
  background: #28a745;
  color: #fff;
}
button:hover { background: #5cd65c; }
label { background: #28a745; color: #fff; }
label:hover { background: #5cd65c; }
select { background: #fff; border: 2px solid #ff7e5f; color: #333; }
select:hover { border-color: #feb47b; }
#fileInput { display: none; }
textarea {
  display: block;
  margin: 20px auto;
  width: 95%;
  max-width: 900px;
  height: 250px;
  font-family: monospace;
  padding: 12px;
  border-radius: 10px;
  border: 2px solid #ff7e5f;
  resize: none;
  background: #fff7f0;
  color: #333;
}
#copyBtn {
  display: block;
  margin: 10px auto 30px;
  background: #28a745;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 8px 16px;
  cursor: pointer;
  font-weight: bold;
  transition: 0.2s;
}
#copyBtn:hover { background: #5cd65c; }
@media(max-width:900px){ .preview-container{ justify-content: center; } }

.intro {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 20px;
  font-size: 1rem;
  color: #ccc;
}

.support {
  margin: 30px auto;
  padding: 15px 20px;
  max-width: 500px;
  text-align: center;
  border: 1px solid #ddd;
  border-radius: 12px;
  background-color: #f9f9f9;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}
.support h2 {
  margin-bottom: 8px;
  font-size: 1.2rem;
  color: #333;
}
.support p {
  font-size: 0.95rem;
  margin-bottom: 12px;
  color: #555;
}
.support a {
  margin: 0 8px;
  display: inline-block;
  vertical-align: middle;
}
.support img {
  vertical-align: middle;
}

.info {
  margin: 20px auto;
  max-width: 500px;
  text-align: center;
  font-size: 0.9rem;
  color: #ccc;
}
.info a {
  color: #f0c674;
  text-decoration: underline;
}