body {
    background-color: #121212;
    color: #e0e0e0;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    padding: 20px;
}

.container {
    max-width: 600px;
    width: 100%;
}

h1 {
    text-align: center;
    color: #33A3A3;
}

h2 {
    text-align: center;
    color: #808080;
}

.card {
    background: #1e1e1e;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

label {
    display: block;
    margin-top: 10px;
    margin-bottom: 5px;
}

input, textarea {
    width: 96%;
    padding: 10px;
    border: none;
    border-radius: 8px;
    margin-bottom: 18px;
    background: #2a2a2a;
    color: #fff;
}

button {
    width: 45%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background-color: #3a86ff;
    color: white;
    font-weight: bold;
    cursor: pointer;
}

button:hover {
    background-color: #265dcc;
}

.error {
    color: #ff6b6b;
    font-size: 0.9em;
    margin-top: 10px;
}

.success {
    color: #4caf50;
    font-size: 0.9em;
    margin-top: 10px;
}