* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  padding: 1.25rem;
  background: #0A0A0A;
  color: #F2F2F2;
  font-family: system-ui, sans-serif;
}

.form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
}

label {
  display: grid;
  gap: 0.3rem;
  color: #9A9AA2;
  font-size: 0.8rem;
}

.wide { flex: 1; min-width: 16rem; }

input {
  padding: 0.55rem 0.8rem;
  border: 1px solid #3A3A42;
  border-radius: 8px;
  background: #1A1A1F;
  color: #F2F2F2;
  font: 0.95rem ui-monospace, monospace;
}

button {
  padding: 0.55rem 1rem;
  border: 0;
  border-radius: 8px;
  background: #F2F2F2;
  color: #0A0A0A;
  font: 600 0.95rem system-ui, sans-serif;
  cursor: pointer;
}

.examples {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.9rem 0;
}

.examples button {
  background: #1A1A1F;
  color: #9A9AA2;
  font: 0.8rem ui-monospace, monospace;
}

.piege {
  align-items: center;
  margin-top: -0.4rem;
  color: #9A9AA2;
  font-size: 0.8rem;
}

.piege .faux { border: 1px solid #FF2B47; color: #FF2B47; }
.piege .bon { border: 1px solid #3DDC84; color: #3DDC84; }

.steps {
  margin: 0 0 1rem;
  padding-left: 1.4rem;
  font: 0.9rem ui-monospace, monospace;
  line-height: 1.9;
}

.steps code { color: #F2F2F2; }
.type { color: #9A9AA2; }
.ok::marker { color: #3DDC84; }
.erreur::marker,
.erreur { color: #FF2B47; }
.conseil { display: block; color: #F2F2F2; font-family: system-ui, sans-serif; }

.result img {
  width: 160px;
  image-rendering: pixelated;
  background: #1A1A1F;
  border-radius: 12px;
}

.result pre {
  max-height: 260px;
  overflow: auto;
  padding: 0.75rem;
  border-radius: 8px;
  background: #1A1A1F;
  font-size: 0.8rem;
}

.valeur {
  font: 1.5rem ui-monospace, monospace;
  color: #FF2B47;
}