* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f6f8fa;
  color: #24292f;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.github-badge {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.7rem 0.95rem;
  border: 1px solid #d0d7de;
  border-radius: 999px;
  background: #f6f8fa;
  color: #24292f;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
}


.github-badge__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #24292f;
}

.github-badge__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.2rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 640px) {
  .github-badge {
    top: 0.75rem;
    right: 0.75rem;
    padding: 0.6rem 0.8rem;
    font-size: 0.82rem;
  }

  .github-badge__count {
    min-width: 2.8rem;
    padding: 0.18rem 0.45rem;
  }
}

.container {
  max-width: 640px;
  width: 100%;
  padding: 2rem;
}

h1 {
  font-size: 2rem;
  color: #1f2328;
  margin-bottom: 0.5rem;
  text-align: center;
}

.subtitle {
  text-align: center;
  color: #57606a;
  margin-bottom: 2rem;
}

.input-group {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

input[type="text"] {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid #d0d7de;
  border-radius: 6px;
  background: #ffffff;
  color: #24292f;
  font-size: 0.95rem;
}

input[type="text"]:focus {
  outline: none;
  border-color: #0969da;
  box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.2);
}

button {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  background: #238636;
  color: #fff;
  font-size: 0.95rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}

button:hover {
  background: #2ea043;
}

button:active {
  background: #1a7f37;
}

.loading {
  text-align: center;
  padding: 2rem;
  color: #57606a;
}

.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid #d0d7de;
  border-top-color: #0969da;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 0.5rem;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.result {
  background: #ffffff;
  border: 1px solid #d0d7de;
  border-radius: 8px;
  padding: 1.5rem;
  margin-top: 1rem;
}

.hidden {
  display: none;
}

.preview {
  text-align: center;
  margin-bottom: 1.5rem;
}

.preview h3 {
  margin-bottom: 1rem;
  color: #1f2328;
}

#svgPreview {
  display: inline-block;
  background: #f6f8fa;
  border-radius: 8px;
  padding: 1rem;
}

#svgPreview img {
  width: 200px;
  height: 200px;
}

.sha-info {
  margin-top: 0.75rem;
  color: #57606a;
}

.sha-info code {
  background: #f6f8fa;
  padding: 0.2em 0.5em;
  border-radius: 3px;
  color: #0550ae;
  font-family: 'SFMono-Regular', Consolas, monospace;
}

.links h3 {
  color: #1f2328;
  margin-bottom: 1rem;
}

.link-group {
  margin-bottom: 1rem;
}

.link-group label {
  display: block;
  font-size: 0.85rem;
  color: #57606a;
  margin-bottom: 0.25rem;
}

.copy-field {
  display: flex;
  gap: 0.5rem;
}

.copy-field input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  font-family: 'SFMono-Regular', Consolas, monospace;
}

.copy-btn {
  padding: 0.5rem 1rem;
  background: #f6f8fa;
  color: #24292f;
  border: 1px solid #d0d7de;
  font-size: 0.85rem;
}

.copy-btn:hover {
  background: #eaeef2;
}

.error {
  background: #fff8f8;
  border: 1px solid #cf222e;
  border-radius: 6px;
  padding: 1rem;
  color: #cf222e;
  margin-top: 1rem;
}