body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f7fb;
  color: #20232a;
}

.container {
  max-width: 720px;
  margin: 10vh auto;
  padding: 2rem;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
  text-align: center;
}

h1 {
  margin-bottom: 1rem;
  color: #1f2937;
}

p {
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

form {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

label {
  text-align: left;
  font-weight: 600;
}

input {
  width: 50%;
  padding: 0.85rem 1rem;
  border: 1px solid #d1d5db;
  border-radius: 0.75rem;
  font-size: 1rem;
}

button,
.button {
  display: inline-block;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  text-decoration: none;
  color: white;
  background: #3b82f6;
  border: none;
  cursor: pointer;
}

.error {
  color: #b91c1c;
  background: #fef2f2;
  border: 1px solid #fecaca;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
}

.success {
  color: #065f46;
  background: #ecfdf5;
  border: 1px solid #6ee7b7;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
}
#copy-notice:empty{
    background: none;
    border: none;

}
#copy-notice{
  color: #065f46;
  background: #ecfdf5;
  border: 1px solid #6ee7b7;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  margin-top: 5px;
  margin-bottom: 20px;
}