:root {
  --bg: #ffffff;
  --text: #111;
  --input-bg: #f5f5f5;
  --border: #ddd;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111;
    --text: #eee;
    --input-bg: #1b1b1b;
    --border: #333;
  }
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui;
  margin: 0;
}

.container {
  max-width: 600px;
  margin: auto;
  padding: 20px;
}

h1 {
  background: linear-gradient(90deg, red, orange, yellow, green, blue, purple);
  -webkit-background-clip: text;
  color: transparent;
}

input {
  width: 100%;
  padding: 10px;
  margin-bottom: 12px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
}

button {
  padding: 12px;
  width: 100%;
  border: none;
  cursor: pointer;
  border-radius: 6px;
  background: linear-gradient(90deg, #ff7a7a, #7adfff);
  color: white;
}

/* 🔧 RADIO + CHECKBOX FIX */
.option label,
.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 6px 0;
  line-height: 1.2;
}

.option input,
.checkbox input {
  width: 16px;
  height: 16px;
  margin: 0;
  transform: translateY(1px); /* exakter Alignment-Fix */
}

footer {
  margin-top: 40px;
  font-size: 0.9em;
  opacity: 0.8;
}

label.required {
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

label.required::after {
  content: "*";
  color: #e03e3e;               /* rote Farbe, passt gut zu deinem Gradient-Button */
  font-weight: 700;
  font-size: 0.95em;
  line-height: 1;
  transform: translateY(-1px);
  /* leichter Umriss in dunklem Modus für Kontrast */
  text-shadow: 0 0 0.6px rgba(0,0,0,0.15);
  opacity: 0.98;
}

/* dunkler Kontrast im Dark Mode */
@media (prefers-color-scheme: dark) {
  label.required::after {
    text-shadow: 0 0 0.6px rgba(255,255,255,0.06);
  }
}

/* optional: kleineres, weniger aufdringliches Sternchen */
label.required.small::after { font-size: 0.85em; opacity: 0.85; }