body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    position: relative;
}

.container {
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    width: 400px;
    max-width: 100%;
}

h1 {
    text-align: center;
}

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

input[type="text"],
input[type="email"],
input[type="file"],
textarea {
    width: calc(100% - 22px);
    padding: 10px;
    margin-top: 5px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
}

button {
    display: block;
    width: 100%;
    padding: 10px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

#char-count {
    text-align: right;
    color: #666;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
}

.loader {
    border: 8px solid #f3f3f3;
    border-radius: 50%;
    border-top: 8px solid #007bff;
    width: 60px;
    height: 60px;
    animation: spin 2s linear infinite;
    margin-bottom: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}