:root {
    --primary-blue: #335CFF;
    --primary-hover: #1E40FF;
    --background: #FFFFFF;
    --text: #010101;
    --light-gray: #f5f5f5;
    --border: #e0e0e0;
}

.pdf-to-jpg-container * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Arial, sans-serif;
}

.pdf-to-jpg-container {
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.pdf-to-jpg-header {
    text-align: center;
    margin-bottom: 30px;
}

.pdf-to-jpg-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--primary-blue);
}

.pdf-to-jpg-subtitle {
    color: #666;
    font-size: 1.1rem;
}

.pdf-to-jpg-upload-section {
    margin-bottom: 30px;
}

.pdf-to-jpg-upload-box {
    border: 2px dashed var(--primary-blue);
    border-radius: 10px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background-color: var(--light-gray);
}

.pdf-to-jpg-upload-box:hover {
    background-color: rgba(51, 92, 255, 0.05);
}

.pdf-to-jpg-upload-box.dragover {
    background-color: rgba(51, 92, 255, 0.1);
    border-style: solid;
}

.pdf-to-jpg-upload-icon {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.pdf-to-jpg-upload-text {
    margin-bottom: 20px;
}

.pdf-to-jpg-browse-btn {
    background-color: var(--primary-blue);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.pdf-to-jpg-browse-btn:hover {
    background-color: var(--primary-hover);
}

.pdf-to-jpg-file-input {
    display: none;
}

.pdf-to-jpg-processing-section {
    display: none;
    margin-bottom: 30px;
    text-align: center;
}

.pdf-to-jpg-progress-bar {
    height: 10px;
    background-color: var(--light-gray);
    border-radius: 5px;
    margin: 20px 0;
    overflow: hidden;
}

.pdf-to-jpg-progress {
    height: 100%;
    background-color: var(--primary-blue);
    width: 0%;
    transition: width 0.3s;
}

.pdf-to-jpg-preview-section {
    display: none;
    margin-bottom: 30px;
}

.pdf-to-jpg-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.pdf-to-jpg-selection-options {
    display: flex;
    gap: 10px;
    align-items: center;
}

.pdf-to-jpg-download-options {
    display: flex;
    gap: 10px;
}

.pdf-to-jpg-btn {
    background-color: var(--primary-blue);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-size: 0.9rem;
}

.pdf-to-jpg-btn:hover {
    background-color: var(--primary-hover);
}

.pdf-to-jpg-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

.pdf-to-jpg-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.pdf-to-jpg-page-preview {
    border: 1px solid var(--border);
    border-radius: 5px;
    overflow: hidden;
    transition: transform 0.3s;
}

.pdf-to-jpg-page-preview:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.pdf-to-jpg-page-preview.selected {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px var(--primary-blue);
}

.pdf-to-jpg-page-img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    background-color: var(--light-gray);
}

.pdf-to-jpg-page-info {
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pdf-to-jpg-page-number {
    font-weight: bold;
}

.pdf-to-jpg-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

@media (max-width: 768px) {
    .pdf-to-jpg-header h1 {
        font-size: 2rem;
    }
    
    .pdf-to-jpg-upload-box {
        padding: 20px;
    }
    
    .pdf-to-jpg-preview-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .pdf-to-jpg-selection-options, .pdf-to-jpg-download-options {
        width: 100%;
        justify-content: center;
        margin-bottom: 10px;
    }
    
    .pdf-to-jpg-preview-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .pdf-to-jpg-page-img {
        height: 150px;
    }
}

@media (max-width: 480px) {
    .pdf-to-jpg-preview-grid {
        grid-template-columns: 1fr;
    }
    
    .pdf-to-jpg-page-img {
        height: 200px;
    }
}