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

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #f0d9b5;
  font-family: sans-serif;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 16px;
  width: 100%;
}

.error {
  color: #c00;
  font-size: 18px;
  text-align: center;
  padding: 40px;
}

canvas {
  border-radius: 4px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.info {
  color: #555;
  font-size: 13px;
  max-width: 100%;
  word-break: break-all;
  text-align: center;
}

.toolbar {
  display: flex;
  gap: 16px;
  align-items: center;
}

.toolbar button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid #999;
  border-radius: 4px;
  background: #fff;
  color: #333;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.toolbar button:hover {
  background: #eee;
  border-color: #666;
}

.toolbar button.copied {
  background: #d4edda;
  border-color: #28a745;
  color: #155724;
}

.toolbar button svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.toolbar a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid #999;
  border-radius: 4px;
  background: #fff;
  color: #333;
  font-size: 13px;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}

.toolbar a:hover {
  background: #eee;
  border-color: #666;
}

.toolbar a svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}