* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #1a1a2e;
    color: #f0f0f0;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #ff6b6b;
    font-size: 2.5rem;
}

h2 {
    color: #4cc9f0;
    margin-bottom: 15px;
}

h3 {
    color: #4cc9f0;
    margin-bottom: 10px;
}

.upload-section, .generation-section {
    background-color: #242447;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

input[type="file"] {
    width: 100%;
    padding: 10px;
    border: 2px dashed #4cc9f0;
    border-radius: 5px;
    background-color: #16213e;
    color: white;
    margin-bottom: 15px;
    cursor: pointer;
}

.file-info {
    margin-top: 10px;
    padding: 10px;
    background-color: #16213e;
    border-radius: 5px;
    min-height: 40px;
    word-break: break-word;
    font-size: 14px;
    line-height: 1.4;
}

textarea {
    width: 100%;
    min-height: 100px;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #4cc9f0;
    background-color: #16213e;
    color: white;
    font-size: 16px;
    margin-bottom: 15px;
    resize: vertical;
}

button {
    background-color: #4cc9f0;
    color: #0d1b2a;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #7ee8fa;
}

button:disabled {
    background-color: #637080;
    cursor: not-allowed;
}

.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}

.progress-container {
    margin-top: 20px;
}

.progress-bar-container {
    width: 100%;
    height: 20px;
    background-color: #16213e;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-bar {
    height: 100%;
    background-color: #ff6b6b;
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    text-align: center;
    font-size: 14px;
    color: #f0f0f0;
}

.download-section {
    margin-top: 20px;
    text-align: center;
}

#downloadBtn {
    background-color: #ff6b6b;
}

#downloadBtn:hover {
    background-color: #ff8e8e;
}