* { box-sizing: border-box; }

body {
  font-family: system-ui, sans-serif;
  background: #f4f6f8;
  padding: 20px;
}

.container {
  max-width: 720px;
  margin: auto;
  background: #fff;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

h1 { text-align: center; }
.subtitle { text-align: center; color: #666; }

.presets {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 20px;
}

.presets button {
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid #ccc;
  background: #f0f0f0;
  cursor: pointer;
}

form {
  display: grid;
  gap: 12px;
}

label {
  display: flex;
  flex-direction: column;
  font-size: 14px;
}

input {
  padding: 9px;
  margin-top: 5px;
}

button {
  padding: 12px;
  font-size: 16px;
  background: #0a4cff;
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

button:hover { background: #083bcc; }

.ergebnis {
  margin-top: 20px;
  padding: 15px;
  background: #f0f4ff;
  border-radius: 8px;
}

#pdfBtn {
  margin-top: 15px;
  width: 100%;
  background: #2c2c2c;
}

canvas { margin-top: 30px; }

.hinweis {
  margin-top: 20px;
  font-size: 13px;
  color: #666;
}

.seo-text {
  margin-top: 40px;
  font-size: 15px;
  line-height: 1.6;
  color: #333;
}

.seo-text h2 {
  margin-bottom: 15px;
}