body {
    font-family: Arial, sans-serif;
    background-color: #1a1a1a;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background-color: #2c3e50;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
    text-align: center;
    width: 350px;
}

h1 {
    margin-bottom: 20px;
    color: #3498db;
}

.announcement {
    background-color: #34495e;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    text-align: left;
}

.announcement h2 {
    margin: 0 0 10px;
    color: #ecf0f1;
}

.announcement p {
    margin: 0;
    color: #bdc3c7;
}

.upload-area {
    border: 2px dashed #3498db;
    border-radius: 10px;
    padding: 20px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.upload-area:hover {
    background-color: #34495e;
}

.upload-label {
    display: block;
    cursor: pointer;
}

.upload-icon {
    font-size: 48px;
    color: #3498db;
}

.upload-text {
    display: block;
    margin-top: 10px;
    color: #bdc3c7;
    font-size: 16px;
}

.preview-area {
    margin-top: 20px;
}

#preview-image {
    max-width: 100%;
    border-radius: 10px;
}

.button-group {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}

.upload-button, .copy-link-button {
    padding: 10px 20px;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.upload-button {
    background-color: #3498db;
}

.upload-button:hover {
    background-color: #2980b9;
}

.upload-button:disabled {
    background-color: #7f8c8d;
    cursor: not-allowed;
}

.copy-link-button {
    background-color: #7f8c8d;
}

.copy-link-button:enabled {
    background-color: #3498db;
}

.copy-link-button:hover:enabled {
    background-color: #2980b9;
}

.error-message {
    color: #e74c3c;
    margin-top: 10px;
    font-size: 14px;
}