body {
    background-color: #000;
    color: #fff;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.header {
    background-color: #111;
    padding: 20px;
    text-align: center;
}

.header img {
    max-height: 80px;
}

.container {
    max-width: 800px;
    margin: auto;
    padding: 40px 20px;
}

h1, h2, h3 {
    color: #f1c40f;
    text-align: center;
}

p {
    font-size: 18px;
    line-height: 1.6;
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input, select, textarea {
    padding: 12px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    width: 100%;
}

button, .btn {
    background-color: #f1c40f;
    color: #000;
    padding: 14px 20px;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    display: inline-block;
}

button:hover, .btn:hover {
    background-color: #d4ac0d;
}

.footer {
    text-align: center;
    padding: 30px 20px;
    font-size: 14px;
    background-color: #111;
    color: #aaa;
}

.error {
    color: red;
    text-align: center;
    font-weight: bold;
}

.success {
    color: #0f0;
    text-align: center;
    font-weight: bold;
}