.pdf-to-image-tool {
    max-width: 1000px;
    margin: 0 auto;
}

.pdf-to-image-card {
    padding: 48px;
    background: linear-gradient(135deg, rgba(254, 119, 67, 0.02) 0%, rgba(68, 125, 155, 0.02) 100%);
}

.upload-area {
    border: 3px dashed var(--border-2);
    border-radius: 24px;
    padding: 60px 40px;
    text-align: center;
    background: var(--surface);
    cursor: pointer;
    transition: var(--transition);
}

.upload-area:hover {
    border-color: var(--primary);
    background: rgba(254, 119, 67, 0.05);
}

.upload-area.dragover {
    border-color: var(--primary);
    background: rgba(254, 119, 67, 0.1);
}

#uploadIcon {
    margin-bottom: 24px;
}

#uploadIcon svg {
    display: block;
    margin: 0 auto;
}

.upload-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 12px;
}

.upload-subtitle {
    color: var(--muted);
    font-size: 15px;
    margin-bottom: 20px;
}

.pdf-controls {
    margin-top: 32px;
}

.file-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: 12px;
    margin-bottom: 24px;
}

.file-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 6px;
}

.file-size {
    font-size: 13px;
    color: var(--muted);
    margin: 0;
}

.page-count {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    padding: 10px 20px;
    background: rgba(254, 119, 67, 0.1);
    border-radius: 8px;
}

.options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

.option-label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 12px;
}

.format-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.format-btn {
    padding: 14px;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    cursor: pointer;
    transition: var(--transition-fast);
    font-weight: 700;
    color: var(--navy);
    font-size: 14px;
}

.format-btn:hover {
    border-color: var(--primary);
    background: rgba(254, 119, 67, 0.05);
}

.format-btn.active {
    border-color: var(--primary);
    background: rgba(254, 119, 67, 0.1);
    color: var(--primary);
}

.quality-slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--border);
    outline: none;
    -webkit-appearance: none;
}

.quality-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.quality-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 0 4px rgba(254, 119, 67, 0.2);
}

.quality-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: none;
    appearance: none;
    -moz-appearance: none;
    transition: var(--transition-fast);
}

.quality-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 0 4px rgba(254, 119, 67, 0.2);
}

.convert-btn {
    width: 100%;
    margin-top: 8px;
}

.images-preview {
    margin-top: 32px;
}

.preview-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 20px;
    text-align: center;
}

.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.image-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid var(--border);
    background: var(--surface);
    transition: var(--transition-fast);
}

.image-item:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.image-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.image-item-info {
    padding: 12px;
    background: var(--surface);
}

.image-item-name {
    font-size: 11px;
    color: var(--muted);
    margin-bottom: 6px;
}

.image-item-page {
    font-size: 12px;
    font-weight: 700;
    color: var(--navy);
}

.image-item-actions {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    gap: 6px;
}

.image-action-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.9);
    color: var(--navy);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: var(--transition-fast);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.image-action-btn:hover {
    background: white;
    transform: scale(1.1);
}

.image-action-btn.download {
    color: var(--primary);
}

.image-action-btn.remove {
    color: #dc3545;
}

.download-all-container {
    text-align: center;
    margin-top: 24px;
}

@media (max-width: 768px) {
    .pdf-to-image-tool {
        max-width: 100%;
    }

    .options-grid {
        grid-template-columns: 1fr;
    }

    .format-buttons {
        grid-template-columns: 1fr;
    }

    .file-info {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .images-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}

@media (max-width: 480px) {
    .upload-area {
        padding: 40px 20px;
    }

    .images-grid {
        grid-template-columns: 1fr;
    }
}