.form-block {
  min-height: 420px;               /* ← Hauteur identique au bloc slogan */
  flex-shrink: 0;
  align-self: flex-start;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(12px);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.3);
  max-width: 500px;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
}

/* Logo */
.logo-formulaire {
  display: block;
  margin: 0 auto 2rem;
  max-width: 200px;
  height: auto;
  filter: drop-shadow(0 0 8px rgba(0, 186, 255, 0.3));
}

/* Erreurs */
.error {
  margin-top: 1rem;
  color: red;
  font-weight: bold;
  text-align: center;
}

/* Résultat */
.result {
  margin-top: 2rem;
  text-align: center;
}

.short-link-box {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.short-link-box input {
  padding: 12px;
  font-size: 1em;
  border-radius: 10px;
  border: 1px solid #ccc;
  width: 100%;
  max-width: 360px;
  text-align: center;
}

/* Responsive */
@media screen and (max-width: 768px) {
  .form-block {
    min-height: auto;
    height: auto;
  }
}