* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background: #0f1115;
    color: #e6e6e6;
}

header {
  background: linear-gradient(135deg, #ff7a00, #ff3d00);
  padding: 2.8rem 1rem 2.2rem;
  text-align: center;
}

header h1 {
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
}

header p {
    margin-top: 8px;
    opacity: 0.87;
}

.container {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 24px;
}

.card {
  background: #171a21;
  padding: 32px;
  border-radius: 16px;
  margin-bottom: 32px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.card h2 {
    margin-top: 0;
    margin-bottom: 16px;
}

.example {
    background: #0f1115;
    border-left: 4px solid #ff7a00;
    border-radius: 8px;
    padding: 16px;
    font-weight: 600;
    margin: 16px 0;
}

form {
    display: grid;
    gap: 16px;
}

input {
    padding: 14px 16px;
    font-size: 1rem;
    border-radius: 10px;
    border: none;
    outline: none;
}

button {
    padding: 14px 16px;
    font-weight: 700;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    background: linear-gradient(135deg, #ff7a00, #ff3d00);
    color: #000;
}

button:hover {
    filter: brightness(1.15);
}

#status {
    margin-top: 12px;
    font-weight: 600;
}

footer {
    text-align: center;
    opacity: 0.6;
    padding: 32px 16px;
    font-size: 14px;
}