body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 600px;
}

h1 {
    color: #333;
    text-align: center;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: bold;
}

input[type="text"],
input[type="file"],
textarea {
    width: calc(100% - 22px); /* Adjusted for padding and border */
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

textarea {
    resize: vertical;
}

input[type="file"] {
    padding: 3px;
}

small {
    display: block;
    margin-top: 5px;
    color: #777;
}

button[type="submit"] {
    background-color: #007bff;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
    display: block;
    width: 100%;
}

button[type="submit"]:hover {
    background-color: #0056b3;
}

.message {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
    font-size: 16px;
    text-align: center;
}

.message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.success::before {
    content: "✅ ";
}

.message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.message.error::before {
    content: "❌ ";
}